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a15860dca3
Create unit tests for Trace2. Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
153 lines
5.1 KiB
Bash
Executable file
153 lines
5.1 KiB
Bash
Executable file
#!/bin/sh
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test_description='test trace2 facility (perf target)'
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. ./test-lib.sh
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# Add t/helper directory to PATH so that we can use a relative
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# path to run nested instances of test-tool.exe (see 004child).
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# This helps with HEREDOC comparisons later.
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TTDIR="$GIT_BUILD_DIR/t/helper/" && export TTDIR
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PATH="$TTDIR:$PATH" && export PATH
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# Warning: use of 'test_cmp' may run test-tool.exe and/or git.exe
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# Warning: to do the actual diff/comparison, so the HEREDOCs here
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# Warning: only cover our actual calls to test-tool and/or git.
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# Warning: So you may see extra lines in artifact files when
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# Warning: interactively debugging.
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# Turn off any inherited trace2 settings for this test.
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unset GIT_TR2 GIT_TR2_PERF GIT_TR2_EVENT
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unset GIT_TR2_PERF_BRIEF
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unset GIT_TR2_CONFIG_PARAMS
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V=$(git version | sed -e 's/^git version //') && export V
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# There are multiple trace2 targets: normal, perf, and event.
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# Trace2 events will/can be written to each active target (subject
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# to whatever filtering that target decides to do).
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# Test each target independently.
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#
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# Defer setting GIT_TR2_PERF until the actual command we want to
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# test because hidden git and test-tool commands in the test
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# harness can contaminate our output.
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# Enable "brief" feature which turns off the prefix:
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# "<clock> <file>:<line> | <nr_parents> | "
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GIT_TR2_PERF_BRIEF=1 && export GIT_TR2_PERF_BRIEF
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# Repeat some of the t0210 tests using the perf target stream instead of
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# the normal stream.
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#
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# Tokens here of the form _FIELD_ have been replaced in the observed output.
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# Verb 001return
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#
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# Implicit return from cmd_<verb> function propagates <code>.
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test_expect_success 'perf stream, return code 0' '
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test_when_finished "rm trace.perf actual expect" &&
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GIT_TR2_PERF="$(pwd)/trace.perf" test-tool trace2 001return 0 &&
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perl "$TEST_DIRECTORY/t0211/scrub_perf.perl" <trace.perf >actual &&
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cat >expect <<-EOF &&
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d0|main|version|||||$V
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d0|main|start|||||_EXE_ trace2 001return 0
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d0|main|cmd_name|||||trace2 (trace2)
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d0|main|exit||_T_ABS_|||code:0
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d0|main|atexit||_T_ABS_|||code:0
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EOF
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test_cmp expect actual
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'
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test_expect_success 'perf stream, return code 1' '
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test_when_finished "rm trace.perf actual expect" &&
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test_must_fail env GIT_TR2_PERF="$(pwd)/trace.perf" test-tool trace2 001return 1 &&
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perl "$TEST_DIRECTORY/t0211/scrub_perf.perl" <trace.perf >actual &&
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cat >expect <<-EOF &&
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d0|main|version|||||$V
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d0|main|start|||||_EXE_ trace2 001return 1
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d0|main|cmd_name|||||trace2 (trace2)
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d0|main|exit||_T_ABS_|||code:1
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d0|main|atexit||_T_ABS_|||code:1
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EOF
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test_cmp expect actual
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'
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# Verb 003error
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#
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# To the above, add multiple 'error <msg>' events
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test_expect_success 'perf stream, error event' '
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test_when_finished "rm trace.perf actual expect" &&
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GIT_TR2_PERF="$(pwd)/trace.perf" test-tool trace2 003error "hello world" "this is a test" &&
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perl "$TEST_DIRECTORY/t0211/scrub_perf.perl" <trace.perf >actual &&
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cat >expect <<-EOF &&
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d0|main|version|||||$V
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d0|main|start|||||_EXE_ trace2 003error '\''hello world'\'' '\''this is a test'\''
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d0|main|cmd_name|||||trace2 (trace2)
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d0|main|error|||||hello world
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d0|main|error|||||this is a test
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d0|main|exit||_T_ABS_|||code:0
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d0|main|atexit||_T_ABS_|||code:0
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EOF
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test_cmp expect actual
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'
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# Verb 004child
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#
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# Test nested spawning of child processes.
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#
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# Conceptually, this looks like:
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# P1: TT trace2 004child
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# P2: |--- TT trace2 004child
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# P3: |--- TT trace2 001return 0
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#
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# Which should generate events:
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# P1: version
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# P1: start
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# P1: cmd_name
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# P1: child_start
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# P2: version
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# P2: start
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# P2: cmd_name
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# P2: child_start
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# P3: version
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# P3: start
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# P3: cmd_name
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# P3: exit
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# P3: atexit
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# P2: child_exit
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# P2: exit
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# P2: atexit
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# P1: child_exit
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# P1: exit
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# P1: atexit
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test_expect_success 'perf stream, child processes' '
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test_when_finished "rm trace.perf actual expect" &&
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GIT_TR2_PERF="$(pwd)/trace.perf" test-tool trace2 004child test-tool trace2 004child test-tool trace2 001return 0 &&
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perl "$TEST_DIRECTORY/t0211/scrub_perf.perl" <trace.perf >actual &&
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cat >expect <<-EOF &&
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d0|main|version|||||$V
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d0|main|start|||||_EXE_ trace2 004child test-tool trace2 004child test-tool trace2 001return 0
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d0|main|cmd_name|||||trace2 (trace2)
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d0|main|child_start||_T_ABS_|||[ch0] class:? argv: test-tool trace2 004child test-tool trace2 001return 0
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d1|main|version|||||$V
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d1|main|start|||||_EXE_ trace2 004child test-tool trace2 001return 0
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d1|main|cmd_name|||||trace2 (trace2/trace2)
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d1|main|child_start||_T_ABS_|||[ch0] class:? argv: test-tool trace2 001return 0
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d2|main|version|||||$V
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d2|main|start|||||_EXE_ trace2 001return 0
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d2|main|cmd_name|||||trace2 (trace2/trace2/trace2)
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d2|main|exit||_T_ABS_|||code:0
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d2|main|atexit||_T_ABS_|||code:0
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d1|main|child_exit||_T_ABS_|_T_REL_||[ch0] pid:_PID_ code:0
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d1|main|exit||_T_ABS_|||code:0
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d1|main|atexit||_T_ABS_|||code:0
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d0|main|child_exit||_T_ABS_|_T_REL_||[ch0] pid:_PID_ code:0
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d0|main|exit||_T_ABS_|||code:0
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d0|main|atexit||_T_ABS_|||code:0
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EOF
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test_cmp expect actual
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'
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test_done
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