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authorErlang/OTP <[email protected]>2013-01-29 11:38:41 +0100
committerErlang/OTP <[email protected]>2013-01-29 11:38:41 +0100
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<file>notes.xml</file>
</header>
+<section><title>Common_Test 1.7</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Severe errors detected by <c>test_server</c> (e.g. if log
+ files directories cannot be created) will now be reported
+ to <c>common_test</c> and noted in the <c>common_test</c>
+ logs.</p>
+ <p>
+ Own Id: OTP-9769 Aux Id: kunagi-202 [113] </p>
+ </item>
+ <item>
+ <p>
+ The earlier undocumented cross cover feature for
+ accumulating cover data over multiple tests has now been
+ fixed and documented.</p>
+ <p>
+ Own Id: OTP-9870 Aux Id: kunagi-206 [117] </p>
+ </item>
+ <item>
+ <p>
+ If a busy test case generated lots of error messages,
+ cth_log_redirect:post_end_per_testcase would crash with a
+ timeout while waiting for the error logger to finish
+ handling all error reports. The default timer was 5
+ seconds. This has now been extended to 5 minutes.</p>
+ <p>
+ Own Id: OTP-10040 Aux Id: kunagi-173 [84] </p>
+ </item>
+ <item>
+ <p>When a test case failed because of a timetrap time
+ out, the <c>Config</c> data for the case was lost in the
+ following call to <c>end_per_testcase/2</c>, and also in
+ calls to the CT Hook function
+ <c>post_end_per_testcase/4</c>. This problem has been
+ solved and the <c>Config</c> data is now correctly passed
+ to the above functions after a timetrap timeout
+ failure.</p>
+ <p>
+ Own Id: OTP-10070 Aux Id: kunagi-175 [86] </p>
+ </item>
+ <item>
+ <p>
+ Some calls to deprecated and removed functions in snmp
+ are removed from ct_snmp.</p>
+ <p>
+ Own Id: OTP-10088 Aux Id: kunagi-176 [87] </p>
+ </item>
+ <item>
+ <p>In test_server, the same process would supervise the
+ currently running test case and be group leader (and IO
+ server) for the test case. Furthermore, when running
+ parallel test cases, new temporary supervisor/group
+ leader processes were spawned and the process that was
+ group leader for sequential test cases would not be
+ active. That would lead to several problems:</p>
+ <p>* Processes started by init_per_suite will inherit the
+ group leader of the init_per_suite process (and that
+ group leader would not process IO requests when parallel
+ test cases was running). If later a parallel test case
+ caused such a processto print using (for example)
+ io:format/2, the calling would hang.</p>
+ <p>* Similarly, if a process was spawned from a parallel
+ test case, it would inherit the temporary group leader
+ for that parallel test case. If that spawned process
+ later - when the group of parallel tests have finished -
+ attempted to print something, its group leader would be
+ dead and there would be <c>badarg</c> exception.</p>
+ <p>Those problems have been solved by having group
+ leaders separate from the processes that supervises the
+ test cases, and keeping temporary group leader process
+ for parallel test cases alive until no more process in
+ the system use them as group leaders.</p>
+ <p>Also, a new <c>unexpected_io.log</c> log file
+ (reachable from the summary page of each test suite) has
+ been introduced. All unexpected IO will be printed into
+ it(for example, IO to a group leader for a parallel test
+ case that has finished).</p>
+ <p>
+ Own Id: OTP-10101 Aux Id: OTP-10125 </p>
+ </item>
+ <item>
+ <p>
+ Some bugfixes in <c>ct_snmp:</c></p>
+ <p>
+ <list> <item> ct_snmp will now use the value of the
+ 'agent_vsns' config variable when setting the 'variables'
+ parameter to snmp application agent configuration.
+ Earlier this had to be done separately - i.e. the
+ supported versions had to be specified twice. </item>
+ <item> Snmp application failed to write notify.conf since
+ ct_snmp gave the notify type as a string instead of an
+ atom. This has been corrected. </item> </list></p>
+ <p>
+ Own Id: OTP-10432</p>
+ </item>
+ <item>
+ <p>
+ Some bugfixes in <c>ct_snmp</c>:</p>
+ <p>
+ <list> <item> Functions <c>register_users/2</c>,
+ <c>register_agents/2</c> and <c>register_usm_users/2</c>,
+ and the corresponding <c>unregister_*/1</c> functions
+ were not executable. These are corrected/rewritten.
+ </item> <item> Function <c>update_usm_users/2</c> is
+ removed, and an unregister function is added instead.
+ Update can now be done with unregister_usm_users and then
+ register_usm_users. </item> <item> Functions
+ <c>unregister_*/2</c> are added, so specific
+ users/agents/usm users can be unregistered. </item>
+ <item> Function <c>unload_mibs/1</c> is added for
+ completeness. </item> <item> Overriding configuration
+ files did not work, since the files were written in
+ priv_dir instead of in the configuration dir
+ (priv_dir/conf). This has been corrected. </item> <item>
+ Arguments to <c>register_usm_users/2</c> were faulty
+ documented. This has been corrected. </item> </list></p>
+ <p>
+ Own Id: OTP-10434 Aux Id: kunagi-264 [175] </p>
+ </item>
+ <item>
+ <p>
+ Faulty exported specs in common test has been corrected
+ to <c>ct_netconfc:hook_options/0</c> and
+ <c>inet:hostname/0</c></p>
+ <p>
+ Own Id: OTP-10601</p>
+ </item>
+ <item>
+ <p>
+ The netconf client in common_test did not adjust the
+ window after receiving data. Due to this, the client
+ stopped receiving data after a while. This has been
+ corrected.</p>
+ <p>
+ Own Id: OTP-10646</p>
+ </item>
+ </list>
+ </section>
+
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>It is now possible to let a test specification include
+ other test specifications. Included specs can either be
+ joined with the source spec (and all other joined specs),
+ resulting in one single test run, or they can be executed
+ in separate test runs. Also, a start flag/option,
+ <c>join_specs</c>, has been introduced, to be used in
+ combination with the <c>spec</c> option. With
+ <c>join_specs</c>, Common Test can be told to either join
+ multiple test specifications, or run them separately.
+ Without <c>join_specs</c>, the latter behaviour is
+ default. Note that this is a change compared to earlier
+ versions of Common Test, where specifications could only
+ be joined. More information can be found in the Running
+ Tests chapter in the User's Guide (see the Test
+ Specifications section).</p>
+ <p>
+ *** POTENTIAL INCOMPATIBILITY ***</p>
+ <p>
+ Own Id: OTP-9881 Aux Id: kunagi-350 [261] </p>
+ </item>
+ <item>
+ <p>
+ The <c>ct_slave:start/3</c> function now supports an
+ <c>{env,[{Var,Value}]}</c> option to extend environment
+ for the slave node.</p>
+ <p>
+ Own Id: OTP-10469 Aux Id: kunagi-317 [228] </p>
+ </item>
+ <item>
+ <p> Some examples overflowing the width of PDF pages have
+ been corrected. </p>
+ <p>
+ Own Id: OTP-10665</p>
+ </item>
+ <item>
+ <p>
+ Update common test modules to handle unicode <list>
+ <item> Use UTF-8 encoding for all HTML files, except the
+ HTML version of the test suite generated with
+ erl2html2:convert, which will have the same encoding as
+ the original test suite (.erl) file. </item> <item>
+ Encode link targets in HTML files with
+ test_server_ctrl:uri_encode/1. </item> <item> Use unicode
+ modifier 't' with ~s when appropriate. </item> <item> Use
+ unicode:characters_to_list and
+ unicode:characters_to_binary for conversion between
+ binaries and strings instead of binary_to_list and
+ list_to_binary. </item> </list></p>
+ <p>
+ Own Id: OTP-10783</p>
+ </item>
+ </list>
+ </section>
+
+
+ <section><title>Known Bugs and Problems</title>
+ <list>
+ <item>
+ <p>
+ CT drops error reason when groups/0 crashes.</p>
+ <p>
+ Own Id: OTP-10631 Aux Id: kunagi-345 [256] </p>
+ </item>
+ <item>
+ <p>
+ Event handler on a ct_master node causes hanging.</p>
+ <p>
+ Own Id: OTP-10634 Aux Id: kunagi-347 [258] </p>
+ </item>
+ <item>
+ <p>
+ CT fails to open telnet conn after a timetrap timeout.</p>
+ <p>
+ Own Id: OTP-10648 Aux Id: seq12212 </p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Common_Test 1.6.3.1</title>
<section><title>Known Bugs and Problems</title>