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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>Test_Server 3.6</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Line numbering of erlang files that were not correctly
+ indented could be wrong after coverting to html with
+ erl2html2:convert/[2,3] (the source code pointed to from
+ the test case). This has been corrected.</p>
+ <p>
+ Also, there are now link targets for each line and not
+ only for each 10th line, and link targets for functions
+ now include the arity and not only the function name
+ (e.g. func/1 has a link target "func-1").</p>
+ <p>
+ Own Id: OTP-9710 Aux Id: seq11945, kunagi-201 [112] </p>
+ </item>
+ <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 the test suite itself was included in code coverage
+ analysis, then the test_server would not manage to set
+ data_dir correctly for the test. This has been corrected.</p>
+ <p>
+ Own Id: OTP-9956 Aux Id: kunagi-207 [118] </p>
+ </item>
+ <item>
+ <p>
+ Any call to test_server:break/1 should cancel all active
+ timetramps. However, in some cases
+ Suite:end_per_testcase/2 is executed on a different
+ process than the test case itself, and if
+ test_server:break/1 was called from there, the timetraps
+ were not cancelled. This has been corrected.</p>
+ <p>
+ Own Id: OTP-10046 Aux Id: kunagi-174 [85] </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>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>
+ The stability of <c>common_test</c> and
+ <c>test_server</c> when running test cases in parallel
+ has been improved.</p>
+ <p>
+ Own Id: OTP-10480 Aux Id: kunagi-318 [229] </p>
+ </item>
+ </list>
+ </section>
+
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>
+ Added a general framework for executing benchmarks of
+ Erlang/OTP. Benchmarks for the Erlang VM and mnesia have
+ been incorporated in the framework. </p>
+ <p>
+ For details about how to add more benchmarks see
+ $ERL_TOP/HOWTO/BENCHMARKS.md in the source distribution.</p>
+ <p>
+ Own Id: OTP-10156</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>
+
<section><title>Test_Server 3.5.3</title>
<section><title>Improvements and New Features</title>