diff options
Diffstat (limited to 'lib/common_test/doc/src')
| -rw-r--r-- | lib/common_test/doc/src/Makefile | 29 | ||||
| -rw-r--r-- | lib/common_test/doc/src/common_test_app.xml | 59 | ||||
| -rw-r--r-- | lib/common_test/doc/src/config_file_chapter.xml | 21 | ||||
| -rw-r--r-- | lib/common_test/doc/src/cover_chapter.xml | 2 | ||||
| -rw-r--r-- | lib/common_test/doc/src/ct_hooks_chapter.xml | 6 | ||||
| -rw-r--r-- | lib/common_test/doc/src/ct_master_chapter.xml | 49 | ||||
| -rw-r--r-- | lib/common_test/doc/src/ct_run.xml | 28 | ||||
| -rw-r--r-- | lib/common_test/doc/src/event_handler_chapter.xml | 10 | ||||
| -rw-r--r-- | lib/common_test/doc/src/example_chapter.xml | 3 | ||||
| -rw-r--r-- | lib/common_test/doc/src/getting_started_chapter.xml | 57 | ||||
| -rw-r--r-- | lib/common_test/doc/src/ref_man.xml | 3 | ||||
| -rw-r--r-- | lib/common_test/doc/src/run_test_chapter.xml | 557 | ||||
| -rw-r--r-- | lib/common_test/doc/src/write_test_chapter.xml | 134 |
13 files changed, 656 insertions, 302 deletions
diff --git a/lib/common_test/doc/src/Makefile b/lib/common_test/doc/src/Makefile index d9651f13b0..99161ce68a 100644 --- a/lib/common_test/doc/src/Makefile +++ b/lib/common_test/doc/src/Makefile @@ -1,7 +1,7 @@ # # %CopyrightBegin% # -# Copyright Ericsson AB 2003-2011. All Rights Reserved. +# Copyright Ericsson AB 2003-2012. All Rights Reserved. # # The contents of this file are subject to the Erlang Public License, # Version 1.1, (the "License"); you may not use this file except in @@ -46,7 +46,8 @@ CT_MODULES = \ ct_rpc \ ct_snmp \ unix_telnet \ - ct_slave + ct_slave \ + ct_netconfc CT_XML_FILES = $(CT_MODULES:=.xml) @@ -123,7 +124,7 @@ $(HTMLDIR)/%.gif: %.gif docs: pdf html man -$(CT_XML_FILES): +$(CT_XML_FILES): %.xml: ../../src/%.erl escript $(DOCGEN)/priv/bin/xml_from_edoc.escript -preprocess true -i $(XMERL_DIR)/include \ -i ../../../test_server/include -i ../../include \ -i ../../../../erts/lib/kernel/include -i ../../../../lib/kernel/include \ @@ -158,18 +159,18 @@ include $(ERL_TOP)/make/otp_release_targets.mk release_docs_spec: docs - $(INSTALL_DIR) $(RELSYSDIR)/doc/pdf - $(INSTALL_DATA) $(TOP_PDF_FILE) $(RELSYSDIR)/doc/pdf - $(INSTALL_DIR) $(RELSYSDIR)/doc/html + $(INSTALL_DIR) "$(RELSYSDIR)/doc/pdf" + $(INSTALL_DATA) $(TOP_PDF_FILE) "$(RELSYSDIR)/doc/pdf" + $(INSTALL_DIR) "$(RELSYSDIR)/doc/html" $(INSTALL_DATA) $(HTMLDIR)/* \ - $(RELSYSDIR)/doc/html - $(INSTALL_DATA) $(INFO_FILE) $(RELSYSDIR) - $(INSTALL_DIR) $(RELEASE_PATH)/man/man1 - $(INSTALL_DATA) $(MAN1DIR)/* $(RELEASE_PATH)/man/man1 - $(INSTALL_DIR) $(RELEASE_PATH)/man/man3 - $(INSTALL_DATA) $(MAN3DIR)/* $(RELEASE_PATH)/man/man3 - $(INSTALL_DIR) $(RELEASE_PATH)/man/man6 - $(INSTALL_DATA) $(MAN6DIR)/* $(RELEASE_PATH)/man/man6 + "$(RELSYSDIR)/doc/html" + $(INSTALL_DATA) $(INFO_FILE) "$(RELSYSDIR)" + $(INSTALL_DIR) "$(RELEASE_PATH)/man/man1" + $(INSTALL_DATA) $(MAN1DIR)/* "$(RELEASE_PATH)/man/man1" + $(INSTALL_DIR) "$(RELEASE_PATH)/man/man3" + $(INSTALL_DATA) $(MAN3DIR)/* "$(RELEASE_PATH)/man/man3" + $(INSTALL_DIR) "$(RELEASE_PATH)/man/man6" + $(INSTALL_DATA) $(MAN6DIR)/* "$(RELEASE_PATH)/man/man6" release_spec: diff --git a/lib/common_test/doc/src/common_test_app.xml b/lib/common_test/doc/src/common_test_app.xml index 6babdb93af..a0fa45c71f 100644 --- a/lib/common_test/doc/src/common_test_app.xml +++ b/lib/common_test/doc/src/common_test_app.xml @@ -99,11 +99,11 @@ be executed by Common Test. A test case is represented by an atom, the name of the test case function. A test case group is represented by a <c>group</c> tuple, where <c>GroupName</c>, - an atom, is the name of the group (defined in <c>groups/0</c>). + an atom, is the name of the group (defined in <c><seealso marker="#Module:groups-0">groups/0</seealso></c>). Execution properties for groups may also be specified, both for a top level group and for any of its sub-groups. Group execution properties specified here, will override - properties in the group definition (see <c>groups/0</c>). + properties in the group definition (see <c><seealso marker="#Module:groups-0">groups/0</seealso></c>). (With value <c>default</c>, the group definition properties will be used).</p> @@ -162,7 +162,7 @@ <v> Func = atom()</v> <v> Args = list()</v> <v> Fun = fun()</v> - <v> Required = Key | {Key,SubKeys}</v> + <v> Required = Key | {Key,SubKeys} | {Key,SubKey} | {Key,SubKey,SubKeys}</v> <v> Key = atom()</v> <v> SubKeys = SubKey | [SubKey]</v> <v> SubKey = atom()</v> @@ -184,8 +184,8 @@ test cases in the suite).</p> <p>The <c>timetrap</c> tag sets the maximum time each - test case is allowed to execute (including <c>init_per_testcase/2</c> - and <c>end_per_testcase/2</c>). If the timetrap time is + test case is allowed to execute (including <c><seealso marker="#Module:init_per_testcase-2">init_per_testcase/2</seealso></c> + and <c><seealso marker="#Module:end_per_testcase-2">end_per_testcase/2</seealso></c>). If the timetrap time is exceeded, the test case fails with reason <c>timetrap_timeout</c>. A <c>TimeFunc</c> function can be used to set a new timetrap by returning a <c>TimeVal</c>. It may also be @@ -201,11 +201,11 @@ in any of the configuration files, all test cases are skipped. For more information about the 'require' functionality, see the reference manual for the function - <c>ct:require/[1,2]</c>.</p> + <c><seealso marker="ct#require-1">ct:require/1/2</seealso></c>.</p> <p>With <c>userdata</c>, it is possible for the user to specify arbitrary test suite related information which can be - read by calling <c>ct:userdata/2</c>.</p> + read by calling <c><seealso marker="ct#userdata-2">ct:userdata/2</seealso></c>.</p> <p>The <c>ct_hooks</c> tag specifies which <seealso marker="ct_hooks_chapter">Common Test Hooks</seealso> @@ -264,7 +264,7 @@ <p>This function is called as the last test case in the suite. It is meant to be used for cleaning up after - <c>init_per_suite/1</c>. + <c><seealso marker="#Module:init_per_suite-1">init_per_suite/1</seealso></c>. For information on <c>save_config</c>, please see <seealso marker="dependencies_chapter#save_config">Dependencies between Test Cases and Suites</seealso> in the User's Guide.</p> @@ -289,7 +289,7 @@ <v> Func = atom()</v> <v> Args = list()</v> <v> Fun = fun()</v> - <v> Required = Key | {Key,SubKeys}</v> + <v> Required = Key | {Key,SubKeys} | {Key,Subkey} | {Key,Subkey,SubKeys}</v> <v> Key = atom()</v> <v> SubKeys = SubKey | [SubKey]</v> <v> SubKey = atom()</v> @@ -309,13 +309,14 @@ <p>This is the test case group info function. It is supposed to return a list of tagged tuples that specify various properties related to the execution of a test case group (i.e. its test cases - and sub-groups). Properties set by <c>groups/1</c> override + and sub-groups). Properties set by + <c><seealso marker="#Module:group-1">group/1</seealso></c> override properties with the same key that have been previously set by - <c>suite/0</c>.</p> + <c><seealso marker="#Module:suite-0">suite/0</seealso></c>.</p> <p>The <c>timetrap</c> tag sets the maximum time each - test case is allowed to execute (including <c>init_per_testcase/2</c> - and <c>end_per_testcase/2</c>). If the timetrap time is + test case is allowed to execute (including <c><seealso marker="#Module:init_per_testcase-2">init_per_testcase/2</seealso></c> + and <c><seealso marker="#Module:end_per_testcase-2">end_per_testcase/2</seealso></c>). If the timetrap time is exceeded, the test case fails with reason <c>timetrap_timeout</c>. A <c>TimeFunc</c> function can be used to set a new timetrap by returning a <c>TimeVal</c>. It may also be @@ -330,11 +331,11 @@ in any of the configuration files, all test cases in this group are skipped. For more information about the 'require' functionality, see the reference manual for the function - <c>ct:require/[1,2]</c>.</p> + <c><seealso marker="ct#require-1">ct:require/1/2</seealso></c>.</p> <p>With <c>userdata</c>, it is possible for the user to specify arbitrary test case group related information which can be - read by calling <c>ct:userdata/2</c>.</p> + read by calling <c><seealso marker="ct#userdata-2">ct:userdata/2</seealso></c>.</p> <p>The <c>ct_hooks</c> tag specifies which <seealso marker="ct_hooks_chapter">Common Test Hooks</seealso> @@ -367,7 +368,7 @@ test case group. It typically contains initializations which are common for all test cases and sub-groups in the group, and which shall only be performed once. <c>GroupName</c> is the name of the - group, as specified in the group definition (see <c>groups/0</c>). The + group, as specified in the group definition (see <c><seealso marker="#Module:groups-0">groups/0</seealso></c>). The <c>Config</c> parameter is the configuration data which can be modified here. The return value of this function is given as <c>Config</c> to all test cases and sub-groups in the group. If <c>{skip,Reason}</c> @@ -396,10 +397,10 @@ <p> OPTIONAL </p> <p>This function is called after the execution of a test case group is finished. - It is meant to be used for cleaning up after <c>init_per_group/2</c>. + It is meant to be used for cleaning up after <c><seealso marker="#Module:init_per_group-2">init_per_group/2</seealso></c>. By means of <c>{return_group_result,Status}</c>, it is possible to return a status value for a nested sub-group. The status can be retrieved in - <c>end_per_group/2</c> for the group on the level above. The status will also + <c><seealso marker="#Module:end_per_group-2">end_per_group/2</seealso></c> for the group on the level above. The status will also be used by Common Test for deciding if execution of a group should proceed in case the property <c>sequence</c> or <c>repeat_until_*</c> is set.</p> @@ -450,7 +451,7 @@ <p> OPTIONAL </p> <p> This function is called after each test case, and can be used - to clean up after <c>init_per_testcase/2</c> and the test case. + to clean up after <c><seealso marker="#Module:init_per_testcase-2">init_per_testcase/2</seealso></c> and the test case. Any return value (besides <c>{fail,Reason}</c> and <c>{save_config,SaveConfig}</c>) is ignored. By returning <c>{fail,Reason}</c>, <c>TestCase</c> will be marked as failed (even though it was actually successful in the sense that it returned @@ -476,7 +477,7 @@ <v> Func = atom()</v> <v> Args = list()</v> <v> Fun = fun()</v> - <v> Required = Key | {Key,SubKeys}</v> + <v> Required = Key | {Key,SubKeys} | {Key,Subkey} | {Key,Subkey,SubKeys}</v> <v> Key = atom()</v> <v> SubKeys = SubKey | [SubKey]</v> <v> SubKey = atom()</v> @@ -492,15 +493,15 @@ <p>This is the test case info function. It is supposed to return a list of tagged tuples that specify various properties related to the execution of this particular test case. - Properties set by <c>Testcase/0</c> override + Properties set by <c><seealso marker="#Module:Testcase-0">Testcase/0</seealso></c> override properties that have been previously set for the test case - by <c>group/1</c> or <c>suite/0</c>.</p> + by <c><seealso marker="#Module:group-1">group/1</seealso></c> or <c><seealso marker="#Module:suite-0">suite/0</seealso></c>.</p> <p>The <c>timetrap</c> tag sets the maximum time the test case is allowed to execute. If the timetrap time is exceeded, the test case fails with reason - <c>timetrap_timeout</c>. <c>init_per_testcase/2</c> - and <c>end_per_testcase/2</c> are included in the + <c>timetrap_timeout</c>. <c><seealso marker="#Module:init_per_testcase-2">init_per_testcase/2</seealso></c> + and <c><seealso marker="#Module:end_per_testcase-2">end_per_testcase/2</seealso></c> are included in the timetrap time. A <c>TimeFunc</c> function can be used to set a new timetrap by returning a <c>TimeVal</c>. It may also be used to trigger a timetrap timeout by, at some point, returning a @@ -514,15 +515,15 @@ configuration files, the test case is skipped. For more information about the 'require' functionality, see the reference manual for the function - <c>ct:require/[1,2]</c>.</p> + <c><seealso marker="ct#require-1">ct:require/1/2</seealso></c>.</p> <p>If <c>timetrap</c> and/or <c>require</c> is not set, the - default values specified by <c>suite/0</c> (or - <c>group/1</c>) will be used.</p> + default values specified by <c><seealso marker="#Module:suite-0">suite/0</seealso></c> (or + <c><seealso marker="#Module:group-1">group/1</seealso></c>) will be used.</p> <p>With <c>userdata</c>, it is possible for the user to specify arbitrary test case related information which can be - read by calling <c>ct:userdata/3</c>.</p> + read by calling <c><seealso marker="ct#userdata-3">ct:userdata/3</seealso></c>.</p> <p>Other tuples than the ones defined will simply be ignored.</p> @@ -550,7 +551,7 @@ <p>This is the implementation of a test case. Here you must call the functions you want to test, and do whatever you need to check the result. If something fails, make sure the - function causes a runtime error, or call <c>ct:fail/1/2</c> + function causes a runtime error, or call <c><seealso marker="ct#fail-1">ct:fail/1/2</seealso></c> (which also causes the test case process to terminate).</p> <p>Elements from the <c>Config</c> list can e.g. be read diff --git a/lib/common_test/doc/src/config_file_chapter.xml b/lib/common_test/doc/src/config_file_chapter.xml index 6a860bb58b..3e6fb21659 100644 --- a/lib/common_test/doc/src/config_file_chapter.xml +++ b/lib/common_test/doc/src/config_file_chapter.xml @@ -29,6 +29,8 @@ <file>config_file_chapter.xml</file> </header> + <marker id="top"></marker> + <section> <title>General</title> @@ -78,7 +80,7 @@ test is skipped (unless a default value has been specified, see the <seealso marker="write_test_chapter#info_function">test case info function</seealso> chapter for details). There is also a function - <c>ct:require/[1,2]</c> which can be called from a test case + <c><seealso marker="ct#require-1">ct:require/1/2</seealso></c> which can be called from a test case in order to check if a specific variable is available. The return value from this function must be checked explicitly and appropriate action be taken depending on the result (e.g. to skip the test case @@ -88,7 +90,7 @@ info-list should look like this: <c>{require,CfgVarName}</c> or <c>{require,AliasName,CfgVarName}</c>. The arguments <c>AliasName</c> and <c>CfgVarName</c> are the same as the - arguments to <c>ct:require/[1,2]</c> which are described in the + arguments to <c><seealso marker="ct#require-1">ct:require/1/2</seealso></c> which are described in the reference manual for <seealso marker="ct">ct</seealso>. <c>AliasName</c> becomes an alias for the configuration variable, and can be used as reference to the configuration data value. @@ -101,7 +103,8 @@ (or test case) and improve readability.</item> </list> <p>To read the value of a config variable, use the function - <c>get_config/[1,2,3]</c> which is also described in the reference + <c><seealso marker="ct#get_config-1">get_config/1/2/3</seealso></c> + which is also described in the reference manual for <seealso marker="ct">ct</seealso>.</p> <p>Example:</p> <pre> @@ -118,7 +121,7 @@ <section> <title>Using configuration variables defined in multiple files</title> <p>If a configuration variable is defined in multiple files and you - want to access all possible values, you may use the <c>ct:get_config/3</c> + want to access all possible values, you may use the <c><seealso marker="ct#get_config-3">ct:get_config/3</seealso></c> function and specify <c>all</c> in the options list. The values will then be returned in a list and the order of the elements corresponds to the order that the config files were specified at startup. Please see @@ -130,7 +133,7 @@ <marker id="encrypted_config_files"></marker> <p>It is possible to encrypt configuration files containing sensitive data if these files must be stored in open and shared directories.</p> - <p>Call <c>ct:encrypt_config_file/[2,3]</c> to have Common Test encrypt a + <p>Call <c><seealso marker="ct#encrypt_config_file-2">ct:encrypt_config_file/2/3</seealso></c> to have Common Test encrypt a specified file using the DES3 function in the OTP <c>crypto</c> application. The encrypted file can then be used as a regular configuration file, in combination with other encrypted files or normal text files. The key @@ -139,7 +142,7 @@ <c>decrypt_file</c> flag/option, or a key file in a predefined location.</p> <p>Common Test also provides decryption functions, - <c>ct:decrypt_config_file/[2,3]</c>, for recreating the original text + <c><seealso marker="ct#decrypt_config_file-2">ct:decrypt_config_file/2/3</seealso></c>, for recreating the original text files.</p> <p>Please see the <seealso marker="ct">ct</seealso> reference manual for @@ -149,8 +152,8 @@ <section> <title>Opening connections by using configuration data</title> <p>There are two different methods for opening a connection - by means of the support functions in e.g. <c>ct_ssh</c>, <c>ct_ftp</c>, - and <c>ct_telnet</c>:</p> + by means of the support functions in e.g. <c><seealso marker="ct_ssh">ct_ssh</seealso></c>, <c><seealso marker="ct_ftp">ct_ftp</seealso></c>, + and <c><seealso marker="ct_telnet">ct_telnet</seealso></c>:</p> <list> <item>Using a configuration target name (an alias) as reference.</item> <item>Using the configuration variable as reference.</item> @@ -295,7 +298,7 @@ <pre> [{ftp_host, [{ftp, "targethost"}, {username, "tester"}, {password, "letmein"}]}, - {lm_directory, "/test/loadmodules"}]</pre> + {lm_directory, "/test/loadmodules"}]</pre> </section> diff --git a/lib/common_test/doc/src/cover_chapter.xml b/lib/common_test/doc/src/cover_chapter.xml index b7162cb542..fc609ee137 100644 --- a/lib/common_test/doc/src/cover_chapter.xml +++ b/lib/common_test/doc/src/cover_chapter.xml @@ -100,7 +100,7 @@ <p><c>$ ct_run -dir $TESTOBJS/db -cover $TESTOBJS/db/config/db.coverspec</c></p> <p>You may also pass the cover specification file name in a - call to <c>ct:run_test/1</c>, by adding a <c>{cover,CoverSpec}</c> + call to <c><seealso marker="ct#run_test-1">ct:run_test/1</seealso></c>, by adding a <c>{cover,CoverSpec}</c> tuple to the <c>Opts</c> argument. Also, you can of course enable code coverage in your test specifications (read more in the chapter about diff --git a/lib/common_test/doc/src/ct_hooks_chapter.xml b/lib/common_test/doc/src/ct_hooks_chapter.xml index 1dbb841fb0..c938851e0e 100644 --- a/lib/common_test/doc/src/ct_hooks_chapter.xml +++ b/lib/common_test/doc/src/ct_hooks_chapter.xml @@ -192,12 +192,12 @@ <section> <title>External configuration data and Logging</title> <p>It's possible in the CTH to read configuration data values - by calling <c>ct:get_config/1/2/3</c> (as explained in the + by calling <c><seealso marker="ct#get_config-1">ct:get_config/1/2/3</seealso></c> (as explained in the <seealso marker="config_file_chapter#require_config_data"> External configuration data</seealso> chapter). The config variables in question must, as always, first have been <c>required</c> by means of a suite-, group-, or test case info function, - or the <c>ct:require/1/2</c> function. Note that the latter can also be used + or the <c><seealso marker="ct#require-1">ct:require/1/2</seealso></c> function. Note that the latter can also be used in CT hook functions.</p> <p>The CT hook functions may call any of the logging functions available in the <c>ct</c> interface to print information to the log files, or to @@ -453,7 +453,7 @@ terminate(State) -> <cell>Captures all test results and outputs them as surefire XML into a file. The file which is created is by default called junit_report.xml. The name can be by setting the path option for this hook. e.g. - <code>-ct_hooks cth_surefix [{path,"/tmp/report.xml"}]</code> + <code>-ct_hooks cth_surefire [{path,"/tmp/report.xml"}]</code> Surefire XML can forinstance be used by Jenkins to display test results.</cell> </row> diff --git a/lib/common_test/doc/src/ct_master_chapter.xml b/lib/common_test/doc/src/ct_master_chapter.xml index f4f0ecad62..21deed099d 100644 --- a/lib/common_test/doc/src/ct_master_chapter.xml +++ b/lib/common_test/doc/src/ct_master_chapter.xml @@ -124,7 +124,8 @@ <p><c>NodeRef = NodeAlias | node() | master</c></p> <p>A <c>NodeAlias</c> (<c>atom()</c>) is used in a test specification as a - reference to a node name (so the actual node name only needs to be declared once). + reference to a node name (so the actual node name only needs to be declared once, + which can of course also be achieved using constants). The alias is declared with a <c>node</c> term:</p> <p><c>{node, NodeAlias, NodeName}</c></p> @@ -141,30 +142,32 @@ CT Master:</p> <pre> - {node, node1, ct_node@host_x}. - {node, node2, ct_node@host_y}. - - {logdir, master, "/home/test/master_logs"}. - {logdir, "/home/test/logs"}. + {define, 'Top', "/home/test"}. + {define, 'T1', "'Top'/t1"}. + {define, 'T2', "'Top'/t2"}. + {define, 'T3', "'Top'/t3"}. + {define, 'CfgFile', "config.cfg"}. + {define, 'Node', ct_node}. + + {node, node1, 'Node@host_x'}. + {node, node2, 'Node@host_y'}. + + {logdir, master, "'Top'/master_logs"}. + {logdir, "'Top'/logs"}. - {config, node1, "/home/test/t1/cfg/config.cfg"}. - {config, node2, "/home/test/t2/cfg/config.cfg"}. - {config, "/home/test/t3/cfg/config.cfg"}. + {config, node1, "'T1'/'CfgFile'"}. + {config, node2, "'T2'/'CfgFile'"}. + {config, "'T3'/'CfgFile'"}. - {alias, t1, "/home/test/t1"}. - {alias, t2, "/home/test/t2"}. - {alias, t3, "/home/test/t3"}. + {suites, node1, 'T1', all}. + {skip_suites, node1, 'T1', [t1B_SUITE,t1D_SUITE], "Not implemented"}. + {skip_cases, node1, 'T1', t1A_SUITE, [test3,test4], "Irrelevant"}. + {skip_cases, node1, 'T1', t1C_SUITE, [test1], "Ignore"}. - {suites, node1, t1, all}. - {skip_suites, node1, t1, [t1B_SUITE,t1D_SUITE], "Not implemented"}. - {skip_cases, node1, t1, t1A_SUITE, [test3,test4], "Irrelevant"}. - {skip_cases, node1, t1, t1C_SUITE, [test1], "Ignore"}. + {suites, node2, 'T2', [t2B_SUITE,t2C_SUITE]}. + {cases, node2, 'T2', t2A_SUITE, [test4,test1,test7]}. - {suites, node2, t2, [t2B_SUITE,t2C_SUITE]}. - {cases, node2, t2, t2A_SUITE, [test4,test1,test7]}. - - {skip_suites, t3, all, "Not implemented"}. - </pre> + {skip_suites, 'T3', all, "Not implemented"}.</pre> <p>This example specifies the same tests as the original example. But now if started with a call to <c>ct_master:run(TestSpecName)</c>, the @@ -190,10 +193,6 @@ name as the Common Test node in question (typically <c>ct@somehost</c> if started with the <c>ct_run</c> program), will be performed. Tests without explicit node association will always be performed too of course!</p> - - <note><p>It is recommended that absolute paths are used for log directories, - config files and test directory aliases in the test specifications so that - current working directory settings are not important.</p></note> </section> <section> diff --git a/lib/common_test/doc/src/ct_run.xml b/lib/common_test/doc/src/ct_run.xml index 078b9b958c..9cc5495af7 100644 --- a/lib/common_test/doc/src/ct_run.xml +++ b/lib/common_test/doc/src/ct_run.xml @@ -36,6 +36,8 @@ OS command line. </comsummary> + <marker id="top"></marker> + <description> <p>The <c>ct_run</c> program is automatically installed with Erlang/OTP and Common Test (please see the Installation chapter in the Common @@ -46,7 +48,7 @@ particular mode.</p> <p>There is an interface function that corresponds to this program, - called <c>ct:run_test/1</c>, for starting Common Test from the Erlang + called <c><seealso marker="ct#run_test-1">ct:run_test/1</seealso></c>, for starting Common Test from the Erlang shell (or an Erlang program). Please see the <c>ct</c> man page for details.</p> @@ -72,6 +74,10 @@ following <c>-erl_args</c> on the command line. These directories are added to the code path normally (i.e. on specified form)</p> + <p>Exit status is set before the program ends. Value <c>0</c> indicates a successful + test result, <c>1</c> indicates one or more failed or auto-skipped test cases, and + <c>2</c> indicates test execution failure.</p> + <p>If <c>ct_run</c> is called with option:</p> <pre>-help</pre> <p>it prints all valid start flags to stdout.</p> @@ -88,11 +94,13 @@ [-step [config | keep_inactive]] [-config ConfigFile1 ConfigFile2 .. ConfigFileN] [-userconfig CallbackModule1 ConfigString1 and CallbackModule2 - ConfigString2 and .. and CallbackModuleN ConfigStringN] + ConfigString2 and .. CallbackModuleN ConfigStringN] [-decrypt_key Key] | [-decrypt_file KeyFile] [-label Label] [-logdir LogDir] [-logopts LogOpts] + [-verbosity GenVLevel | [Category1 VLevel1 and + Category2 VLevel2 and .. CategoryN VLevelN]] [-silent_connections [ConnType1 ConnType2 .. ConnTypeN]] [-stylesheet CSSFile] [-cover CoverCfgFile] @@ -107,7 +115,11 @@ [-repeat N [-force_stop]] | [-duration HHMMSS [-force_stop]] | [-until [YYMoMoDD]HHMMSS [-force_stop]] - [-basic_html]</pre> + [-basic_html] + [-ct_hooks CTHModule1 CTHOpts1 and CTHModule2 CTHOpts2 and .. + CTHModuleN CTHOptsN] + [-exit_status ignore_config] + </pre> </section> <section> <title>Run tests using test specification</title> @@ -120,6 +132,8 @@ [-label Label] [-logdir LogDir] [-logopts LogOpts] + [-verbosity GenVLevel | [Category1 VLevel1 and + Category2 VLevel2 and .. CategoryN VLevelN]] [-allow_user_terms] [-silent_connections [ConnType1 ConnType2 .. ConnTypeN]] [-stylesheet CSSFile] @@ -135,7 +149,11 @@ [-repeat N [-force_stop]] | [-duration HHMMSS [-force_stop]] | [-until [YYMoMoDD]HHMMSS [-force_stop]] - [-basic_html]</pre> + [-basic_html] + [-ct_hooks CTHModule1 CTHOpts1 and CTHModule2 CTHOpts2 and .. + CTHModuleN CTHOptsN] + [-exit_status ignore_config] + </pre> </section> <section> <title>Run tests in web based GUI</title> @@ -147,6 +165,8 @@ [-userconfig CallbackModule1 ConfigString1 and CallbackModule2 ConfigString2 and .. and CallbackModuleN ConfigStringN] [-logopts LogOpts] + [-verbosity GenVLevel | [Category1 VLevel1 and + Category2 VLevel2 and .. CategoryN VLevelN]] [-decrypt_key Key] | [-decrypt_file KeyFile] [-include InclDir1 InclDir2 .. InclDirN] [-no_auto_compile] diff --git a/lib/common_test/doc/src/event_handler_chapter.xml b/lib/common_test/doc/src/event_handler_chapter.xml index a5886b9687..b95a18e47e 100644 --- a/lib/common_test/doc/src/event_handler_chapter.xml +++ b/lib/common_test/doc/src/event_handler_chapter.xml @@ -64,7 +64,7 @@ <marker id="usage"></marker> <title>Usage</title> <p>Event handlers may be installed by means of an <c>event_handler</c> - start flag (<c>ct_run</c>) or option (<c>ct:run_test/1</c>), where the + start flag (<c>ct_run</c>) or option (<c><seealso marker="ct#run_test-1">ct:run_test/1</seealso></c>), where the argument specifies the names of one or more event handler modules. Example:</p> <p><c>$ ct_run -suite test/my_SUITE -event_handler handlers/my_evh1 @@ -78,7 +78,7 @@ example).</p> <p>An event_handler tuple in the argument <c>Opts</c> has the following - definition (see also <c>ct:run_test/1</c> in the reference manual):</p> + definition (see also <c><seealso marker="ct#run_test-1">ct:run_test/1</seealso></c> in the reference manual):</p> <pre> {event_handler,EventHandlers} @@ -205,7 +205,7 @@ {error,{RunTimeError,StackTrace}} | {timetrap_timeout,integer()} | {failed,{Suite,end_per_testcase,FailInfo}}</c>, reason for failure.</p> - <p><c>RequireInfo = {not_available,atom()}</c>, why require has failed.</p> + <p><c>RequireInfo = {not_available,atom() | tuple()}</c>, why require has failed.</p> <p><c>FailInfo = {timetrap_timeout,integer()} | {RunTimeError,StackTrace} | UserTerm</c>, @@ -233,7 +233,7 @@ reason for auto skipping <c>Func</c>.</p> <p><c>FailReason = {Suite,ConfigFunc,FailInfo}} | {Suite,FailedCaseInSequence}</c>, reason for failure.</p> - <p><c>RequireInfo = {not_available,atom()}</c>, why require has failed.</p> + <p><c>RequireInfo = {not_available,atom() | tuple()}</c>, why require has failed.</p> <p><c>ConfigFunc = init_per_suite | init_per_group</c></p> <p><c>FailInfo = {timetrap_timeout,integer()} | {RunTimeError,StackTrace} | @@ -308,7 +308,7 @@ manager can look like.</p> <note><p>To ensure that printouts to standard out (or printouts made with - <c>ct:log/2/3</c> or <c>ct:pal/2/3</c>) get written to the test case log + <c><seealso marker="ct#log-2">ct:log/2/3</seealso></c> or <c><seealso marker="ct:pal-2">ct:pal/2/3</seealso></c>) get written to the test case log file, and not to the Common Test framework log, you can syncronize with the Common Test server by matching on the <c>tc_start</c> and <c>tc_done</c> events. In the period between these events, all IO gets directed to the diff --git a/lib/common_test/doc/src/example_chapter.xml b/lib/common_test/doc/src/example_chapter.xml index f269dba2cd..3bba7bd783 100644 --- a/lib/common_test/doc/src/example_chapter.xml +++ b/lib/common_test/doc/src/example_chapter.xml @@ -28,7 +28,8 @@ <rev></rev> <file>example_chapter.xml</file> </header> - + + <marker id="top"></marker> <section> <title>Test suite example</title> diff --git a/lib/common_test/doc/src/getting_started_chapter.xml b/lib/common_test/doc/src/getting_started_chapter.xml index 039578dd2e..3cf04bb1a2 100644 --- a/lib/common_test/doc/src/getting_started_chapter.xml +++ b/lib/common_test/doc/src/getting_started_chapter.xml @@ -90,7 +90,7 @@ <p>As you can understand from the illustration above, Common Test requires that a test case generates a runtime error to indicate failure (e.g. by causing a bad match error or by calling <c>exit/1</c>, preferrably - through the <c>ct:fail/1,2</c> help function). A succesful execution is + through the <c><seealso marker="ct#fail-1">ct:fail/1,2</seealso></c> help function). A succesful execution is indicated by means of a normal return from the test case function. </p> </section> @@ -214,11 +214,56 @@ <section> <title>What happens next?</title> - <p> - You will find detailed information about the basics introduced here in this - chapter in the following chapters in the User's Guide, as well as - presentations of many more useful features. Have fun! - </p> + + <p>Well, you might already be asking yourself questions such as:</p> + + <list> + <item>"How and where can I specify variable data for my tests that mustn't + be hard-coded in the test suites (such as host names, addresses, + user login data, etc)?" The + <seealso marker="config_file_chapter#top">External Configuration Data</seealso> + chapter will give you that information. + </item> + <item>"Is there a way to declare a number of different tests and run them + in one session without having to write my own scripts? And can such + declarations be used for regression testing?" The + <seealso marker="run_test_chapter#test_specifications">Test Specifications</seealso> + chapter answers these questions. + </item> + <item>"Can test cases and/or test runs be automatically repeated?" Learn more about + <seealso marker="write_test_chapter#test_case_groups">Test Case Groups</seealso> + and also read about start flags/options in the + <seealso marker="run_test_chapter#ct_run">Running Tests</seealso> chapter and + the Reference Manual. + </item> + <item>"Will Common Test execute my test cases in sequence or in parallel?" The + <seealso marker="write_test_chapter#test_case_groups">Test Case Groups</seealso> + section in the Running Tests chapter will give you the answer. + </item> + <item>"What's the syntax for timetraps (mentioned above), and how do I set them?" + This is explained in the + <seealso marker="write_test_chapter#timetraps">Timetrap Timeouts</seealso> + part of the Writing Test Suites chapter. + </item> + <item>"What functions are available for logging and printing?" Check the + <seealso marker="write_test_chapter#logging">Logging</seealso> + section in the Writing Test Suites chapter. + </item> + <item>"I need data files for my tests. Where do I store them preferrably?" + You should read about + <seealso marker="write_test_chapter#data_priv_dir">Data and Private + Directories</seealso> for information about this. + </item> + <item>"May I start with a test suite example, please?" + <seealso marker="example_chapter#top">Sure!</seealso> + </item> + </list> + <p>You will probably want to get started on your own first test suites now, while + at the same time digging deeper into the Common Test User's Guide and Reference Manual. + You will find that there's lots more to learn about the things that have been introduced + in this chapter. You will of course also be presented many more useful features, such as the + ones listed above. Have fun! + </p> </section> </chapter> diff --git a/lib/common_test/doc/src/ref_man.xml b/lib/common_test/doc/src/ref_man.xml index a9fdef7359..6fede88434 100644 --- a/lib/common_test/doc/src/ref_man.xml +++ b/lib/common_test/doc/src/ref_man.xml @@ -4,7 +4,7 @@ <application xmlns:xi="http://www.w3.org/2001/XInclude"> <header> <copyright> - <year>2003</year><year>2011</year> + <year>2003</year><year>2012</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -71,6 +71,7 @@ <xi:include href="ct_cover.xml"/> <xi:include href="ct_ftp.xml"/> <xi:include href="ct_ssh.xml"/> + <xi:include href="ct_netconfc.xml"/> <xi:include href="ct_rpc.xml"/> <xi:include href="ct_snmp.xml"/> <xi:include href="ct_telnet.xml"/> diff --git a/lib/common_test/doc/src/run_test_chapter.xml b/lib/common_test/doc/src/run_test_chapter.xml index 30486d3eec..ea62df27cc 100644 --- a/lib/common_test/doc/src/run_test_chapter.xml +++ b/lib/common_test/doc/src/run_test_chapter.xml @@ -178,6 +178,8 @@ <item><c><![CDATA[-basic_html]]></c>, switches off html enhancements that might not be compatible with older browsers.</item> <item><c><![CDATA[-logopts <opts>]]></c>, makes it possible to modify aspects of the logging behaviour, see <seealso marker="run_test_chapter#logopts">Log options</seealso> below.</item> + <item><c><![CDATA[-verbosity <levels>]]></c>, sets <seealso marker="write_test_chapter#logging">verbosity levels + for printouts</seealso>.</item> </list> <note><p>Directories passed to Common Test may have either relative or absolute paths.</p></note> @@ -196,60 +198,73 @@ the current working directory of the Erlang Runtime System during the test run!</p> </note> - <p>For more information about the <c>ct_run</c> program, see the - <seealso marker="install_chapter#general">Installation</seealso> chapter. - </p> - </section> - - <section> - <title>Running tests from the Web based GUI</title> - - <p>The web based GUI, VTS, is started with the <c>ct_run</c> - program. From the GUI you can load config files, and select - directories, suites and cases to run. You can also state the - config files, directories, suites and cases on the command line - when starting the web based GUI. - </p> - + <p>The <c>ct_run</c> program sets the exit status before shutting down. The following values + are defined:</p> <list> - <item><c>ct_run -vts</c></item> - <item><c><![CDATA[ct_run -vts -config <configfilename>]]></c></item> - <item><c><![CDATA[ct_run -vts -config <configfilename> -suite <suitewithfullpath> - -case <casename>]]></c></item> + <item><c>0</c> indicates a successful testrun, i.e. one without failed or auto-skipped test cases.</item> + <item><c>1</c> indicates that one or more test cases have failed, or have been auto-skipped.</item> + <item><c>2</c> indicates that the test execution has failed because of e.g. compilation errors, an + illegal return value from an info function, etc.</item> </list> + <p>If auto-skipped test cases should not affect the exit status, you may change the default + behaviour using start flag:</p> + <pre>-exit_status ignore_config</pre> - <p>From the GUI you can run tests and view the result and the logs. + <p>For more information about the <c>ct_run</c> program, see the + <seealso marker="ct_run#top">Reference Manual</seealso> and the + <seealso marker="install_chapter#general">Installation</seealso> chapter. </p> - - <p>Note that <c>ct_run -vts</c> will try to open the Common Test start - page in an existing web browser window or start the browser if it is - not running. Which browser should be started may be specified with - the browser start command option:</p> - <p><c><![CDATA[ct_run -vts -browser <browser_start_cmd>]]></c></p> - <p>Example:</p> - <p><c><![CDATA[$ ct_run -vts -browser 'firefox&']]></c></p> - <p>Note that the browser must run as a separate OS process or VTS will hang!</p> - <p>If no specific browser start command is specified, Firefox will - be the default browser on Unix platforms and Internet Explorer on Windows. - If Common Test fails to start a browser automatically, or <c>'none'</c> is - specified as the value for -browser (i.e. <c>-browser none</c>), start your - favourite browser manually and type in the URL that Common Test - displays in the shell.</p> </section> - + <section> <title>Running tests from the Erlang shell or from an Erlang program</title> <p>Common Test provides an Erlang API for running tests. The main (and most flexible) function for specifying and executing tests is called - <c>ct:run_test/1</c>. This function takes the same start parameters as - the <c>ct_run</c> program described above, only the flags are instead + <c><seealso marker="ct#run_test-1">ct:run_test/1</seealso></c>. + This function takes the same start parameters as + the <c><seealso marker="run_test_chapter#ct_run">ct_run</seealso></c> + program described above, only the flags are instead given as options in a list of key-value tuples. E.g. a test specified with <c>ct_run</c> like:</p> + <p><c>$ ct_run -suite ./my_SUITE -logdir ./results</c></p> - <p>is with <c>ct:run_test/1</c> specified as:</p> + <p>is with <c><seealso marker="ct#run_test-1">ct:run_test/1</seealso></c> specified as:</p> <p><c>1> ct:run_test([{suite,"./my_SUITE"},{logdir,"./results"}]).</c></p> - <p>For detailed documentation, please see the <c>ct</c> manual page.</p> + + <p>The function returns the test result, represented by the tuple: + <c>{Ok,Failed,{UserSkipped,AutoSkipped}}</c>, where each element is an + integer. If test execution fails, the function returns the tuple: + <c>{error,Reason}</c>, where the term <c>Reason</c> explains the + failure.</p> + + <section> + <title>Releasing the Erlang shell</title> + <p>During execution of tests, started with + <c><seealso marker="ct#run_test-1">ct:run_test/1</seealso></c>, + the Erlang shell process, controlling stdin, will remain the top + level process of the Common Test system of processes. The result + is that the Erlang shell is not available for interaction during + the test run. If this is not desirable, maybe because the shell is needed + for debugging purposes or for interaction with the SUT during test + execution, you may set the <c>release_shell</c> start option to + <c>true</c> (in the call to <c>ct:run_test/1</c> or by + using the corresponding test specification term, see below). This will + make Common Test release the shell immediately after the test suite + compilation stage. To accomplish this, a test runner process + is spawned to take control of the test execution, and the effect is that + <c>ct:run_test/1</c> returns the pid of this process rather than the + test result - which instead is printed to tty at the end of the test run.</p> + <note><p>Note that in order to use the + <c><seealso marker="ct#break-1">ct:break/1/2</seealso></c> and + <c><seealso marker="ct#continue-0">ct:continue/0/1</seealso></c> functions, + <c>release_shell</c> <em>must</em> be set to <c>true</c>.</p></note> + </section> + + <p>For detailed documentation about + <c><seealso marker="ct#run_test-1">ct:run_test/1</seealso></c>, + please see the + <c><seealso marker="ct#run_test-1">ct</seealso></c> manual page.</p> </section> <section> @@ -266,9 +281,9 @@ for trying out various operations during test suite development.</p> <p>To invoke the interactive shell mode, you can start an Erlang shell - manually and call <c>ct:install/1</c> to install any configuration + manually and call <c><seealso marker="ct#install-1">ct:install/1</seealso></c> to install any configuration data you might need (use <c>[]</c> as argument otherwise), then - call <c>ct:start_interactive/0</c> to start Common Test. If you use + call <c><seealso marker="ct#start_interactive-0">ct:start_interactive/0</seealso></c> to start Common Test. If you use the <c>ct_run</c> program, you may start the Erlang shell and Common Test in the same go by using the <c>-shell</c> and, optionally, the <c>-config</c> and/or <c>-userconfig</c> flag. Examples: @@ -287,7 +302,8 @@ <p>If any functions using "required config data" (e.g. ct_telnet or ct_ftp functions) are to be called from the erlang shell, config - data must first be required with <c>ct:require/[1,2]</c>. This is + data must first be required with <c><seealso marker="ct#require-1"> + ct:require/1/2</seealso></c>. This is equivalent to a <c>require</c> statement in the <seealso marker="write_test_chapter#suite">Test Suite Info Function</seealso> or in the <seealso @@ -314,11 +330,11 @@ is not supported.</p> <p>If you wish to exit the interactive mode (e.g. to start an - automated test run with <c>ct:run_test/1</c>), call the function - <c>ct:stop_interactive/0</c>. This shuts down the + automated test run with <c><seealso marker="ct#run_test-1">ct:run_test/1</seealso></c>), call the function + <c><seealso marker="ct#stop_interactive-0">ct:stop_interactive/0</seealso></c>. This shuts down the running <c>ct</c> application. Associations between configuration names and data created with <c>require</c> are - consequently deleted. <c>ct:start_interactive/0</c> will get you + consequently deleted. <c><seealso marker="ct#start_interactive-0">ct:start_interactive/0</seealso></c> will get you back into interactive mode, but the previous state is not restored.</p> </section> @@ -326,7 +342,7 @@ <title>Step by step execution of test cases with the Erlang Debugger</title> <p>By means of <c>ct_run -step [opts]</c>, or by passing the - <c>{step,Opts}</c> option to <c>ct:run_test/1</c>, it is possible + <c>{step,Opts}</c> option to <c><seealso marker="ct#run_test-1">ct:run_test/1</seealso></c>, it is possible to get the Erlang Debugger started automatically and use its graphical interface to investigate the state of the current test case and to execute it step by step and/or set execution breakpoints.</p> @@ -352,31 +368,34 @@ <marker id="test_specifications"></marker> <section> - <title>Using test specifications</title> + <title>Test Specifications</title> <p>The most flexible way to specify what to test, is to use a so called test specification. A test specification is a sequence of - Erlang terms. The terms may be declared in a text file or passed - to the test server at runtime as a list - (see <c>run_testspec/1</c> in the manual page - for <c>ct</c>). There are two general types of terms: - configuration terms and test specification terms.</p> + Erlang terms. The terms are normally declared in a text file (see + <c><seealso marker="ct#run_test-1">ct:run_test/1</seealso></c>), but + may also be passed to Common Test on the form of a list (see + <c><seealso marker="ct#run_testspec-1">ct:run_testspec/1</seealso></c>). + There are two general types of terms: configuration terms and test + specification terms.</p> <p>With configuration terms it is possible to e.g. label the test run (similar to <c>ct_run -label</c>), evaluate arbitrary expressions - before starting a test, import configuration - data (similar to - <c>ct_run -config/-userconfig</c>), specify HTML log directories (similar - to - <c>ct_run -logdir</c>), give aliases to test nodes and test - directories (to make a specification easier to read and - maintain), enable code coverage analysis (see - the <seealso marker="cover_chapter#cover">Code Coverage - Analysis</seealso> chapter) and specify event_handler plugins - (see the <seealso marker="event_handler_chapter#event_handling"> - Event Handling</seealso> chapter). There is also a term for - specifying include directories that should be passed on to the - compiler when automatic compilation is performed (similar - to <c>ct_run -include</c>, see above).</p> + before starting the test, import configuration data (similar to + <c>ct_run -config/-userconfig</c>), specify the top level HTML log + directory (similar to <c>ct_run -logdir</c>), enable code coverage + analysis (similar to <c>ct_run -cover</c>), install Common Test Hooks + (similar to <c>ct_run -ch_hooks</c>), install event_handler plugins + (similar to <c>ct_run -event_handler</c>), specify include directories + that should be passed to the compiler for automatic compilation + (similar to <c>ct_run -include</c>), disable the auto compilation + feature (similar to <c>ct_run -no_auto_compile</c>), set verbosity + levels (similar to <c>ct_run -verbosity</c>), and more.</p> + <p>Configuration terms can be combined with <c>ct_run</c> start flags, + or <c>ct:run_test/1</c> options. The result will for some flags/options + and terms be that the values are merged (e.g. configuration files, + include directories, verbosity levels, silent connections), and for + others that the start flags/options override the test specification + terms (e.g. log directory, label, style sheet, auto compilation).</p> <p>With test specification terms it is possible to state exactly which tests should run and in which order. A test term specifies either one or more suites, one or more test case groups, or one @@ -391,11 +410,12 @@ S, is a test of all cases in S. However, if a term specifying test case X and Y in S is merged with a term specifying case Z in S, the result is a test of X, Y and Z in S. To disable this - behaviour, it is possible in test specification to set the - <c>merge_tests</c> term to <c>false</c>.</p> + behaviour, i.e. to instead perform each test sequentially in a "script-like" + manner, the term <c>merge_tests</c> can be set to <c>false</c> in + the test specification.</p> <p>A test term can also specify one or more test suites, groups, or test cases to be skipped. Skipped suites, groups and cases - are not executed and show up in the HTML test log files as + are not executed and show up in the HTML log files as SKIPPED.</p> <p>When a test case group is specified, the resulting test executes the @@ -425,15 +445,30 @@ <p>Below is the test specification syntax. Test specifications can be used to run tests both in a single test host environment and in a distributed Common Test environment (Large Scale - Testing). The node parameters in the init term are only + Testing). The node parameters in the <c>init</c> term are only relevant in the latter (see the <seealso marker="ct_master_chapter#test_specifications">Large - Scale Testing</seealso> chapter for information). For details on - the event_handler term, see the + Scale Testing</seealso> chapter for information). For more information + about the various terms, please see the corresponding sections in the + User's Guide, such as e.g. the + <seealso marker="run_test_chapter#ct_run"><c>ct_run</c> + program</seealso> for an overview of available start flags + (since most flags have a corresponding configuration term), and + more detailed explanation of e.g. + <seealso marker="write_test_chapter#logging">Logging</seealso> + (for the <c>verbosity</c>, <c>stylesheet</c> and <c>basic_html</c> terms), + <seealso marker="config_file_chapter#top">External Configuration Data</seealso> + (for the <c>config</c> and <c>userconfig</c> terms), <seealso marker="event_handler_chapter#event_handling">Event - Handling</seealso> chapter.</p> + Handling</seealso> (for the <c>event_handler</c> term), + <seealso marker="ct_hooks_chapter#installing">Common Test Hooks</seealso> + (for the <c>ct_hooks</c> term), etc.</p> <p>Config terms:</p> <pre> + {merge_tests, Bool}. + + {define, Constant, Value}. + {node, NodeAlias, Node}. {init, InitOptions}. @@ -442,6 +477,15 @@ {label, Label}. {label, NodeRefs, Label}. + {verbosity, VerbosityLevels}. + {verbosity, NodeRefs, VerbosityLevels}. + + {stylesheet, CSSFile}. + {stylesheet, NodeRefs, CSSFile}. + + {silent_connections, ConnTypes}. + {silent_connections, NodeRefs, ConnTypes}. + {multiply_timetraps, N}. {multiply_timetraps, NodeRefs, N}. @@ -454,19 +498,23 @@ {include, IncludeDirs}. {include, NodeRefs, IncludeDirs}. + {auto_compile, Bool}, + {auto_compile, NodeRefs, Bool}, + {config, ConfigFiles}. + {config, ConfigDir, ConfigBaseNames}. {config, NodeRefs, ConfigFiles}. + {config, NodeRefs, ConfigDir, ConfigBaseNames}. {userconfig, {CallbackModule, ConfigStrings}}. {userconfig, NodeRefs, {CallbackModule, ConfigStrings}}. - {alias, DirAlias, Dir}. - - {merge_tests, Bool}. - {logdir, LogDir}. {logdir, NodeRefs, LogDir}. + {logopts, LogOpts}. + {logopts, NodeRefs, LogOpts}. + {create_priv_dir, PrivDirOption}. {create_priv_dir, NodeRefs, PrivDirOption}. @@ -479,83 +527,176 @@ {ct_hooks, NodeRefs, CTHModules}. {enable_builtin_hooks, Bool}. - </pre> + + {basic_html, Bool}. + {basic_html, NodeRefs, Bool}. + + {release_shell, Bool}.</pre> + <p>Test terms:</p> <pre> - {suites, DirRef, Suites}. - {suites, NodeRefs, DirRef, Suites}. + {suites, Dir, Suites}. + {suites, NodeRefs, Dir, Suites}. - {groups, DirRef, Suite, Groups}. - {groups, NodeRefsDirRef, Suite, Groups}. + {groups, Dir, Suite, Groups}. + {groups, NodeRefs, Dir, Suite, Groups}. - {groups, DirRef, Suite, GroupSpec, {cases,Cases}}. - {groups, NodeRefsDirRef, Suite, GroupSpec, {cases,Cases}}. + {groups, Dir, Suite, GroupSpec, {cases,Cases}}. + {groups, NodeRefs, Dir, Suite, GroupSpec, {cases,Cases}}. - {cases, DirRef, Suite, Cases}. - {cases, NodeRefs, DirRef, Suite, Cases}. + {cases, Dir, Suite, Cases}. + {cases, NodeRefs, Dir, Suite, Cases}. - {skip_suites, DirRef, Suites, Comment}. - {skip_suites, NodeRefs, DirRef, Suites, Comment}. + {skip_suites, Dir, Suites, Comment}. + {skip_suites, NodeRefs, Dir, Suites, Comment}. - {skip_groups, DirRef, Suite, GroupNames, Comment}. - {skip_groups, NodeRefs, DirRef, Suite, GroupNames, Comment}. + {skip_groups, Dir, Suite, GroupNames, Comment}. + {skip_groups, NodeRefs, Dir, Suite, GroupNames, Comment}. - {skip_cases, DirRef, Suite, Cases, Comment}. - {skip_cases, NodeRefs, DirRef, Suite, Cases, Comment}. - </pre> + {skip_cases, Dir, Suite, Cases, Comment}. + {skip_cases, NodeRefs, Dir, Suite, Cases, Comment}.</pre> + <p>Types:</p> <pre> - NodeAlias = atom() - InitOptions = term() - Node = node() - NodeRef = NodeAlias | Node | master - NodeRefs = all_nodes | [NodeRef] | NodeRef - N = integer() - Bool = true | false - CoverSpecFile = string() - IncludeDirs = string() | [string()] - ConfigFiles = string() | [string()] - DirAlias = atom() - Dir = string() - LogDir = string() - PrivDirOption = auto_per_run | auto_per_tc | manual_per_tc - EventHandlers = atom() | [atom()] - InitArgs = [term()] - CTHModules = [CTHModule | {CTHModule, CTHInitArgs} | {CTHModule, CTHInitArgs, CTHPriority}] - CTHModule = atom() - CTHInitArgs = term() - DirRef = DirAlias | Dir - Suites = atom() | [atom()] | all - Suite = atom() - Groups = GroupSpec | [GroupSpec] | all - GroupSpec = GroupName | {GroupName,Properties} | {GroupName,Properties,GroupSpec} - GroupName = atom() - GroupNames = GroupName | [GroupName] - Cases = atom() | [atom()] | all - Comment = string() | "" - </pre> - <p>Example:</p> + Bool = true | false + Constant = atom() + Value = term() + NodeAlias = atom() + Node = node() + NodeRef = NodeAlias | Node | master + NodeRefs = all_nodes | [NodeRef] | NodeRef + InitOptions = term() + Label = atom() | string() + VerbosityLevels = integer() | [{Category,integer()}] + Category = atom() + CSSFile = string() + ConnTypes = all | [atom()] + N = integer() + CoverSpecFile = string() + IncludeDirs = string() | [string()] + ConfigFiles = string() | [string()] + ConfigDir = string() + ConfigBaseNames = string() | [string()] + CallbackModule = atom() + ConfigStrings = string() | [string()] + LogDir = string() + LogOpts = [term()] + PrivDirOption = auto_per_run | auto_per_tc | manual_per_tc + EventHandlers = atom() | [atom()] + InitArgs = [term()] + CTHModules = [CTHModule | {CTHModule, CTHInitArgs} | {CTHModule, CTHInitArgs, CTHPriority}] + CTHModule = atom() + CTHInitArgs = term() + Dir = string() + Suites = atom() | [atom()] | all + Suite = atom() + Groups = GroupSpec | [GroupSpec] | all + GroupSpec = GroupName | {GroupName,Properties} | {GroupName,Properties,GroupSpec} + GroupName = atom() + GroupNames = GroupName | [GroupName] + Cases = atom() | [atom()] | all + Comment = string() | ""</pre> + + <p>The difference between the <c>config</c> terms above, is that with + <c>ConfigDir</c>, <c>ConfigBaseNames</c> is a list of base names, + i.e. without directory paths. <c>ConfigFiles</c> must be full names, + including paths. E.g, these two terms have the same meaning:</p> <pre> - {logdir, "/home/test/logs"}. + {config, ["/home/testuser/tests/config/nodeA.cfg", + "/home/testuser/tests/config/nodeB.cfg"]}. + + {config, "/home/testuser/tests/config", ["nodeA.cfg","nodeB.cfg"]}.</pre> + + <note><p>Any relative paths specified in the test specification, will be + relative to the directory which contains the test specification file, if + <c>ct_run -spec TestSpecFile ...</c> or + <c>ct:run:test([{spec,TestSpecFile},...])</c> + executes the test. The path will be relative to the top level log directory, if + <c>ct:run:testspec(TestSpec)</c> executes the test.</p></note> - {config, "/home/test/t1/cfg/config.cfg"}. - {config, "/home/test/t2/cfg/config.cfg"}. - {config, "/home/test/t3/cfg/config.cfg"}. + <p>The <c>define</c> term introduces a constant, which is used to + replace the name <c>Constant</c> with <c>Value</c>, wherever it's found in + the test specification. This replacement happens during an initial iteration + through the test specification. Constants may be used anywhere in the test + specification, e.g. in arbitrary lists and tuples, and even in strings + and inside the value part of other constant definitions! A constant can + also be part of a node name, but that is the only place where a constant + can be part of an atom.</p> + + <note><p>For the sake of readability, the name of the constant must always + begin with an upper case letter, or a <c>$</c>, <c>?</c>, or <c>_</c>. + This also means that it must always be single quoted (obviously, since + the constant name is actually an atom, not text).</p></note> + + <p>The main benefit of constants is that they can be used to reduce the size + (and avoid repetition) of long strings, such as file paths. Compare these + terms:</p> + + <pre> + %% 1a. no constant + {config, "/home/testuser/tests/config", ["nodeA.cfg","nodeB.cfg"]}. + {suites, "/home/testuser/tests/suites", all}. - {alias, t1, "/home/test/t1"}. - {alias, t2, "/home/test/t2"}. - {alias, t3, "/home/test/t3"}. + %% 1b. with constant + {define, 'TESTDIR', "/home/testuser/tests"}. + {config, "'TESTDIR'/config", ["nodeA.cfg","nodeB.cfg"]}. + {suites, "'TESTDIR'/suites", all}. + + %% 2a. no constants + {config, [testnode@host1, testnode@host2], "../config", ["nodeA.cfg","nodeB.cfg"]}. + {suites, [testnode@host1, testnode@host2], "../suites", [x_SUITE, y_SUITE]}. + + %% 2b. with constants + {define, 'NODE', testnode}. + {define, 'NODES', ['NODE'@host1, 'NODE'@host2]}. + {config, 'NODES', "../config", ["nodeA.cfg","nodeB.cfg"]}. + {suites, 'NODES', "../suites", [x_SUITE, y_SUITE]}.</pre> + + <p>Constants make the test specification term <c>alias</c>, in previous + versions of Common Test, redundant. This term has been deprecated but will + remain supported in upcoming Common Test releases. Replacing <c>alias</c> + terms with <c>define</c> is strongly recommended though! Here's an example + of such a replacement:</p> + + <pre> + %% using the old alias term + {config, "/home/testuser/tests/config/nodeA.cfg"}. + {alias, suite_dir, "/home/testuser/tests/suites"}. + {groups, suite_dir, x_SUITE, group1}. + + %% replacing with constants + {define, 'TestDir', "/home/testuser/tests"}. + {define, 'CfgDir', "'TestDir'/config"}. + {define, 'SuiteDir', "'TestDir'/suites"}. + {config, 'CfgDir', "nodeA.cfg"}. + {groups, 'SuiteDir', x_SUITE, group1}.</pre> + + <p>Actually, constants could well replace the <c>node</c> term too, but + this still has declarative value, mainly when used in combination + with <c>NodeRefs == all_nodes</c> (see types above).</p> + + <p>Here follows a simple test specification example:</p> + <pre> + {define, 'Top', "/home/test"}. + {define, 'T1', "'Top'/t1"}. + {define, 'T2', "'Top'/t2"}. + {define, 'T3', "'Top'/t3"}. + {define, 'CfgFile', "config.cfg"}. + + {logdir, "'Top'/logs"}. - {suites, t1, all}. - {skip_suites, t1, [t1B_SUITE,t1D_SUITE], "Not implemented"}. - {skip_cases, t1, t1A_SUITE, [test3,test4], "Irrelevant"}. - {skip_cases, t1, t1C_SUITE, [test1], "Ignore"}. + {config, ["'T1'/'CfgFile'", "'T2'/'CfgFile'", "'T3'/'CfgFile'"]}. - {suites, t2, [t2B_SUITE,t2C_SUITE]}. - {cases, t2, t2A_SUITE, [test4,test1,test7]}. + {suites, 'T1', all}. + {skip_suites, 'T1', [t1B_SUITE,t1D_SUITE], "Not implemented"}. + {skip_cases, 'T1', t1A_SUITE, [test3,test4], "Irrelevant"}. + {skip_cases, 'T1', t1C_SUITE, [test1], "Ignore"}. - {skip_suites, t3, all, "Not implemented"}. - </pre> + {suites, 'T2', [t2B_SUITE,t2C_SUITE]}. + {cases, 'T2', t2A_SUITE, [test4,test1,test7]}. + + {skip_suites, 'T3', all, "Not implemented"}.</pre> + <p>The example specifies the following:</p> <list> <item>The specified logdir directory will be used for storing @@ -563,8 +704,6 @@ date and time).</item> <item>The variables in the specified test system config files will be imported for the test.</item> - <item>Aliases are given for three test system directories. The suites in - this example are stored in "/home/test/tX/test".</item> <item>The first test to run includes all suites for system t1. Excluded from the test are however the t1B and t1D suites. Also test cases test3 and test4 in t1A as well as the test1 case in t1C are excluded from @@ -575,9 +714,9 @@ <item>Lastly, all suites for systems t3 are to be completely skipped and this should be explicitly noted in the log files.</item> </list> - <p>It is possible to specify initialization options for nodes defined in the - test specification. Currently, there are options to start the node and/or to - evaluate any function on the node. + <p>With the <c>init</c> term it's possible to specify initialization options + for nodes defined in the test specification. Currently, there are options + to start the node and/or to evaluate any function on the node. See the <seealso marker="ct_master_chapter#ct_slave">Automatic startup of the test target nodes</seealso> chapter for details.</p> <p>It is possible for the user to provide a test specification that @@ -586,11 +725,49 @@ <c>ct_run</c>. This forces Common Test to ignore unrecognizable terms. Note that in this mode, Common Test is not able to check the specification for errors as efficiently as if the scanner runs in default mode. - If <c>ct:run_test/1</c> is used for starting the tests, the relaxed scanner + If <c><seealso marker="ct#run_test-1">ct:run_test/1</seealso></c> is used for starting the tests, the relaxed scanner mode is enabled by means of the tuple: <c>{allow_user_terms,true}</c></p> </section> + + <section> + <title>Running tests from the Web based GUI</title> + + <p>The web based GUI, VTS, is started with the + <c><seealso marker="run_test_chapter#ct_run">ct_run</seealso></c> + program. From the GUI you can load config files, and select + directories, suites and cases to run. You can also state the + config files, directories, suites and cases on the command line + when starting the web based GUI. + </p> + + <list> + <item><c>ct_run -vts</c></item> + <item><c><![CDATA[ct_run -vts -config <configfilename>]]></c></item> + <item><c><![CDATA[ct_run -vts -config <configfilename> -suite <suitewithfullpath> + -case <casename>]]></c></item> + </list> + + <p>From the GUI you can run tests and view the result and the logs. + </p> + + <p>Note that <c>ct_run -vts</c> will try to open the Common Test start + page in an existing web browser window or start the browser if it is + not running. Which browser should be started may be specified with + the browser start command option:</p> + <p><c><![CDATA[ct_run -vts -browser <browser_start_cmd>]]></c></p> + <p>Example:</p> + <p><c><![CDATA[$ ct_run -vts -browser 'firefox&']]></c></p> + <p>Note that the browser must run as a separate OS process or VTS will hang!</p> + <p>If no specific browser start command is specified, Firefox will + be the default browser on Unix platforms and Internet Explorer on Windows. + If Common Test fails to start a browser automatically, or <c>'none'</c> is + specified as the value for -browser (i.e. <c>-browser none</c>), start your + favourite browser manually and type in the URL that Common Test + displays in the shell.</p> + </section> <section> + <marker id="log_files"></marker> <title>Log files</title> <p>As the execution of the test suites proceed, events are logged in @@ -718,17 +895,30 @@ <p>instead of each <c>x</c> printed on a new line, which is the default behaviour.</p> </section> + <section> + <marker id="table_sorting"></marker> + <title>Sorting HTML table columns</title> + <p>By clicking the name in the column header of any table (e.g. "Ok", "Case", "Time", etc), + the table rows are sorted in whatever order makes sense for the type of value (e.g. + numerical for "Ok" or "Time", and alphabetical for "Case"). The sorting is performed + by means of JavaScript code, automatically inserted into the HTML log files. Common Test + uses the <url href="http://jquery.com">jQuery</url> library and the + <url href="http://tablesorter.com">tablesorter</url> plugin, with customized sorting + functions, for this implementation.</p> + </section> </section> <section> <marker id="html_stylesheet"></marker> <title>HTML Style Sheets</title> - <p>Common Test uses a CSS file to control the look of the HTML - files generated during test runs. If, for some reason, the - log files are not displayed correctly in the HTML browser of your - choice, or you prefer the "pre Common Test v1.6 look" - of the log files (i.e. not using CSS), use the start flag/option - <c>basic_html</c> to revert to the old style.</p> + <p>Common Test uses an HTML Style Sheet (CSS file) to control the look of + the HTML log files generated during test runs. If, for some reason, the + log files are not displayed correctly in the browser of your + choice, or you prefer a more primitive ("pre Common Test v1.6") look + of the logs, use the start flag/option:</p> + <pre>basic_html</pre> + <p>This disables the use of Style Sheets, as well as JavaScripts (see + table sorting above).</p> <p>Common Test includes an <em>optional</em> feature to allow user HTML style sheets for customizing printouts. The @@ -881,75 +1071,82 @@ <section> <marker id="silent_connections"></marker> <title>Silent Connections</title> - <p>The protocol handling processes in Common Test, implemented by ct_telnet, ct_ftp etc, - do verbose printing to the test case logs. This can be switched off by means - of the <c>-silent_connections</c> flag:</p> + <p>The protocol handling processes in Common Test, implemented by ct_telnet, + ct_ssh, ct_ftp etc, do verbose printing to the test case logs. This can be switched off + by means of the <c>-silent_connections</c> flag:</p> <pre> ct_run -silent_connections [conn_types] </pre> - <p>where <c>conn_types</c> specifies <c>telnet, ftp, rpc</c> and/or <c>snmp</c>.</p> + <p>where <c>conn_types</c> specifies <c>ssh, telnet, ftp, rpc</c> and/or <c>snmp</c>.</p> <p>Example:</p> <pre> - ct_run ... -silent_connections telnet ftp</pre> - <p>switches off logging for telnet and ftp connections.</p> + ct_run ... -silent_connections ssh telnet</pre> + <p>switches off logging for ssh and telnet connections.</p> <pre> ct_run ... -silent_connections</pre> <p>switches off logging for all connection types.</p> - <p>Basic and important information such as opening and closing a connection, - fatal communication error and reconnection attempts will always be printed even - if logging has been suppressed for the connection type in question. However, operations - such as sending and receiving data may be performed silently.</p> + <p>Fatal communication error and reconnection attempts will always be printed even + if logging has been suppressed for the connection type in question. However, operations + such as sending and receiving data will be performed silently.</p> <p>It is possible to also specify <c>silent_connections</c> in a test suite. This is accomplished by returning a tuple, <c>{silent_connections,ConnTypes}</c>, in the <c>suite/0</c> or test case info list. If <c>ConnTypes</c> is a list of atoms - (<c>telnet, ftp, rpc</c> and/or <c>snmp</c>), output for any corresponding connections + (<c>ssh, telnet, ftp, rpc</c> and/or <c>snmp</c>), output for any corresponding connections will be suppressed. Full logging is per default enabled for any connection of type not specified in <c>ConnTypes</c>. Hence, if <c>ConnTypes</c> is the empty list, logging is enabled for all connections.</p> - <p>The <c>silent_connections</c> setting returned from a test case info function overrides, - for the test case in question, any setting made with <c>suite/0</c> (which is the setting - used for all cases in the suite). Example:</p> + <p>Example:</p> <pre> -module(my_SUITE). + + suite() -> [..., {silent_connections,[telnet,ssh]}, ...]. + ... - suite() -> [..., {silent_connections,[telnet,ftp]}, ...]. - ... + my_testcase1() -> - [{silent_connections,[ftp]}]. + [{silent_connections,[ssh]}]. + my_testcase1(_) -> - ... + ... + my_testcase2(_) -> - ... + ... </pre> <p>In this example, <c>suite/0</c> tells Common Test to suppress - printouts from telnet and ftp connections. This is valid for + printouts from telnet and ssh connections. This is valid for all test cases. However, <c>my_testcase1/0</c> specifies that - for this test case, only ftp should be silent. The result is + for this test case, only ssh should be silent. The result is that <c>my_testcase1</c> will get telnet info (if any) printed - in the log, but not ftp info. <c>my_testcase2</c> will get no + in the log, but not ssh info. <c>my_testcase2</c> will get no info from either connection printed.</p> - <p>The <c>-silent_connections</c> tag (or - <c>silent_connections</c> tagged tuple in the call to - <c>ct:run_test/1</c>) overrides any settings in the test - suite.</p> + <p><c>silent_connections</c> may also be specified with a term + in a test specification + (see <seealso marker="run_test_chapter#test_specifications">Test + Specifications</seealso>). Connections provided with the + <c>silent_connections</c> start flag/option, will be merged with + any connections listed in the test specification.</p> + + <p>The <c>silent_connections</c> start flag/option and test + specification term, overrides any settings made by the info functions + inside the test suite.</p> - <p>Note that in the current Common Test version, the + <note><p>Note that in the current Common Test version, the <c>silent_connections</c> feature only works for telnet - connections. Support for other connection types will be added - in future Common Test versions.</p> + and ssh connections! Support for other connection types will be added + in future Common Test versions.</p></note> </section> </chapter> diff --git a/lib/common_test/doc/src/write_test_chapter.xml b/lib/common_test/doc/src/write_test_chapter.xml index 7b7e7af8ea..248d7de8b6 100644 --- a/lib/common_test/doc/src/write_test_chapter.xml +++ b/lib/common_test/doc/src/write_test_chapter.xml @@ -47,7 +47,7 @@ module for details about these functions.</p> <p>The CT application also includes other modules named - <c><![CDATA[ct_<something>]]></c> that + <c><![CDATA[ct_<component>]]></c> that provide various support, mainly simplified use of communication protocols such as rpc, snmp, ftp, telnet, etc.</p> @@ -173,7 +173,7 @@ </p> <p>The <c>end_per_testcase/2</c> function is called even after a - test case terminates due to a call to <c>ct:abort_current_testcase/1</c>, + test case terminates due to a call to <c><seealso marker="ct#abort_current_testcase-1">ct:abort_current_testcase/1</seealso></c>, or after a timetrap timeout. However, <c>end_per_testcase</c> will then execute on a different process than the test case function, and in this situation, <c>end_per_testcase</c> will @@ -243,7 +243,8 @@ <note><p>The test case function argument <c>Config</c> should not be confused with the information that can be retrieved from - configuration files (using ct:get_config/[1,2]). The Config argument + configuration files (using <c><seealso marker="ct#get_config-1"> + ct:get_config/1/2</seealso></c>). The Config argument should be used for runtime configuration of the test suite and the test cases, while configuration files should typically contain data related to the SUT. These two types of configuration data are handled @@ -302,7 +303,7 @@ <item> <p> Use this to specify arbitrary data related to the testcase. This - data can be retrieved at any time using the <c>ct:userdata/3</c> + data can be retrieved at any time using the <c><seealso marker="ct#userdata-3">ct:userdata/3</seealso></c> utility function. </p> </item> @@ -338,7 +339,8 @@ <pre> testcase2() -> - [{require, unix_telnet, {unix, [telnet, username, password]}}, + [{require, unix_telnet, unix}, + {require, {unix, [telnet, username, password]}}, {default_config, unix, [{telnet, "my_telnet_host"}, {username, "aladdin"}, {password, "sesame"}]}}].</pre> @@ -346,7 +348,8 @@ </taglist> <p>See the <seealso marker="config_file_chapter#require_config_data">Config files</seealso> - chapter and the <c>ct:require/[1,2]</c> function in the + chapter and the <c><seealso marker="ct#require-1"> + ct:require/1/2</seealso></c> function in the <seealso marker="ct">ct</seealso> reference manual for more information about <c>require</c>.</p> @@ -823,7 +826,7 @@ Common Test to create one dedicated private directory per test case and execution instead. This is accomplished by means of the flag/option: <c>create_priv_dir</c> (to be used with the - <c>ct_run</c> program, the <c>ct:run_test/1</c> function, or + <c>ct_run</c> program, the <c><seealso marker="ct#run_test-1">ct:run_test/1</seealso></c> function, or as test specification term). There are three possible values for this option: <list> @@ -839,7 +842,7 @@ become very inefficient for test runs with many test cases and/or repetitions. Therefore, in case the manual version is instead used, the test case must tell Common Test to create priv_dir when it needs it. - It does this by calling the function <c>ct:make_priv_dir/0</c>. + It does this by calling the function <c><seealso marker="ct#make_priv_dir-0">ct:make_priv_dir/0</seealso></c>. </p> <note><p>You should not depend on current working directory for @@ -883,11 +886,11 @@ of its sub-groups. If a timetrap value is defined by <c>group/1</c> for a sub-group, it overrides that of its higher level groups. Timetrap values set by individual test cases (by means of the test case info - function) overrides both group- and suite- level timetraps.</p> + function) override both group- and suite- level timetraps.</p> <p>It is also possible to dynamically set/reset a timetrap during the excution of a test case, or configuration function. This is done by calling - <c>ct:timetrap/1</c>. This function cancels the current timetrap + <c><seealso marker="ct#timetrap-1">ct:timetrap/1</seealso></c>. This function cancels the current timetrap and starts a new one (that stays active until timeout, or end of the current function).</p> @@ -900,12 +903,12 @@ <p>If a test case needs to suspend itself for a time that also gets multipled by <c>multiply_timetraps</c> (and possibly also scaled up if - <c>scale_timetraps</c> is enabled), the function <c>ct:sleep/1</c> + <c>scale_timetraps</c> is enabled), the function <c><seealso marker="ct#sleep-1">ct:sleep/1</seealso></c> may be used (instead of e.g. <c>timer:sleep/1</c>).</p> <p>A function (<c>fun/0</c> or <c>MFA</c>) may be specified as timetrap value in the suite-, group- and test case info function, as - well as argument to the <c>ct:timetrap/1</c> function. Examples:</p> + well as argument to the <c><seealso marker="ct#timetrap-1">ct:timetrap/1</seealso></c> function. Examples:</p> <p><c>{timetrap,{my_test_utils,timetrap,[?MODULE,system_start]}}</c></p> <p><c>ct:timetrap(fun() -> my_timetrap(TestCaseName, Config) end)</c></p> @@ -932,6 +935,99 @@ </section> <section> + <marker id="logging"></marker> + <title>Logging - categories and verbosity levels</title> + <p>Common Test provides three main functions for printing strings:</p> + <list> + <item><c>ct:log(Category, Importance, Format, Args)</c></item> + <item><c>ct:print(Category, Importance, Format, Args)</c></item> + <item><c>ct:pal(Category, Importance, Format, Args)</c></item> + </list> + <p>The <c>log/1/2/3/4</c> function will print a string to the test case + log file. The <c>print/1/2/3/4</c> function will print the string to screen, + and the <c>pal/1/2/3/4</c> function will print the same string both to file and + screen. (The functions are documented in the <c>ct</c> reference manual).</p> + + <p>The optional <c>Category</c> argument may be used to categorize the + log printout, and categories can be used for two things:</p> + <list> + <item>To compare the importance of the printout to a specific + verbosity level, and</item> + <item>to format the printout according to a user specific HTML + Style Sheet (CSS).</item> + </list> + + <p>The <c>Importance</c> argument specifies a level of importance + which, compared to a verbosity level (general and/or set per category), + determines if the printout should be visible or not. <c>Importance</c> + is an arbitrary integer in the range 0..99. Pre-defined constants + exist in the <c>ct.hrl</c> header file. The default importance level, + <c>?STD_IMPORTANCE</c> (used if the <c>Importance</c> argument is not + provided), is 50. This is also the importance used for standard IO, e.g. + from printouts made with <c>io:format/2</c>, <c>io:put_chars/1</c>, etc.</p> + + <p><c>Importance</c> is compared to a verbosity level set by means of the + <c>verbosity</c> start flag/option. The verbosity level can be set per + category and/or generally. The default verbosity level, <c>?STD_VERBOSITY</c>, + is 50, i.e. all standard IO gets printed. If a lower verbosity level is set, + standard IO printouts will be ignored. Common Test performs the following test:</p> + <pre>Importance >= (100-VerbosityLevel)</pre> + <p>This also means that verbosity level 0 effectively turns all logging off + (with the exception of printouts made by Common Test itself).</p> + + <p>The general verbosity level is not associated with any particular + category. This level sets the threshold for the standard IO printouts, + uncategorized <c>ct:log/print/pal</c> printouts, as well as + printouts for categories with undefined verbosity level.</p> + + <p>Example:</p> + <pre> + + Some printouts during test case execution: + + io:format("1. Standard IO, importance = ~w~n", [?STD_IMPORTANCE]), + ct:log("2. Uncategorized, importance = ~w", [?STD_IMPORTANCE]), + ct:log(info, "3. Categorized info, importance = ~w", [?STD_IMPORTANCE]]), + ct:log(info, ?LOW_IMPORTANCE, "4. Categorized info, importance = ~w", [?LOW_IMPORTANCE]), + ct:log(error, "5. Categorized error, importance = ~w", [?HI_IMPORTANCE]), + ct:log(error, ?HI_IMPORTANCE, "6. Categorized error, importance = ~w", [?MAX_IMPORTANCE]), + + If starting the test without specifying any verbosity levels: + + $ ct_run ... + + the following gets printed: + + 1. Standard IO, importance = 50 + 2. Uncategorized, importance = 50 + 3. Categorized info, importance = 50 + 5. Categorized error, importance = 75 + 6. Categorized error, importance = 99 + + If starting the test with: + + $ ct_run -verbosity 1 and info 75 + + the following gets printed: + + 3. Categorized info, importance = 50 + 4. Categorized info, importance = 25 + 6. Categorized error, importance = 99 + </pre> + + <p>How categories can be mapped to CSS tags is documented in the + <seealso marker="run_test_chapter#html_stylesheet">Running Tests</seealso> + chapter.</p> + + <p>The <c>Format</c> and <c>Args</c> arguments in <c>ct:log/print/pal</c> are + always passed on to the <c>io:format/3</c> function in <c>stdlib</c> + (please see the <c>io</c> manual page for details).</p> + + <p>For more information about log files, please see the + <seealso marker="run_test_chapter#log_files">Running Tests</seealso> chapter.</p> + </section> + + <section> <title>Illegal dependencies</title> <p>Even though it is highly efficient to write test suites with @@ -941,7 +1037,6 @@ Erlang/OTP test suites.</p> <list> - <item>Depending on current directory, and writing there:<br></br> <p>This is a common error in test suites. It is assumed that @@ -953,19 +1048,10 @@ </p> </item> - <item>Depending on the Clearcase (file version control system) - paths and files:<br></br> - - <p>The test suites are stored in Clearcase but are not - (necessarily) run within this environment. The directory - structure may vary from test run to test run. - </p> - </item> - <item>Depending on execution order:<br></br> - <p>During development of test suites, no assumption should be made - (preferrably) about the execution order of the test cases or suites. + <p>During development of test suites, no assumption should preferrably + be made about the execution order of the test cases or suites. E.g. a test case should not assume that a server it depends on, has already been started by a previous test case. There are several reasons for this: |