diff options
Diffstat (limited to 'third_party/git/t/t0212-trace2-event.sh')
| -rwxr-xr-x | third_party/git/t/t0212-trace2-event.sh | 287 |
1 files changed, 287 insertions, 0 deletions
diff --git a/third_party/git/t/t0212-trace2-event.sh b/third_party/git/t/t0212-trace2-event.sh new file mode 100755 index 000000000000..7065a1b9373b --- /dev/null +++ b/third_party/git/t/t0212-trace2-event.sh @@ -0,0 +1,287 @@ +#!/bin/sh + +test_description='test trace2 facility' +. ./test-lib.sh + +# Turn off any inherited trace2 settings for this test. +sane_unset GIT_TRACE2 GIT_TRACE2_PERF GIT_TRACE2_EVENT +sane_unset GIT_TRACE2_BARE +sane_unset GIT_TRACE2_CONFIG_PARAMS + +perl -MJSON::PP -e 0 >/dev/null 2>&1 && test_set_prereq JSON_PP + +# Add t/helper directory to PATH so that we can use a relative +# path to run nested instances of test-tool.exe (see 004child). +# This helps with HEREDOC comparisons later. +TTDIR="$GIT_BUILD_DIR/t/helper/" && export TTDIR +PATH="$TTDIR:$PATH" && export PATH + +# Warning: use of 'test_cmp' may run test-tool.exe and/or git.exe +# Warning: to do the actual diff/comparison, so the HEREDOCs here +# Warning: only cover our actual calls to test-tool and/or git. +# Warning: So you may see extra lines in artifact files when +# Warning: interactively debugging. + +V=$(git version | sed -e 's/^git version //') && export V + +# There are multiple trace2 targets: normal, perf, and event. +# Trace2 events will/can be written to each active target (subject +# to whatever filtering that target decides to do). +# Test each target independently. +# +# Defer setting GIT_TRACE2_PERF until the actual command we want to +# test because hidden git and test-tool commands in the test +# harness can contaminate our output. + +# We don't bother repeating the 001return and 002exit tests, since they +# have coverage in the normal and perf targets. + +# Verb 003error +# +# To the above, add multiple 'error <msg>' events + +test_expect_success JSON_PP 'event stream, error event' ' + test_when_finished "rm trace.event actual expect" && + GIT_TRACE2_EVENT="$(pwd)/trace.event" test-tool trace2 003error "hello world" "this is a test" && + perl "$TEST_DIRECTORY/t0212/parse_events.perl" <trace.event >actual && + sed -e "s/^|//" >expect <<-EOF && + |VAR1 = { + | "_SID0_":{ + | "argv":[ + | "_EXE_", + | "trace2", + | "003error", + | "hello world", + | "this is a test" + | ], + | "errors":[ + | "%s", + | "%s" + | ], + | "exit_code":0, + | "hierarchy":"trace2", + | "name":"trace2", + | "version":"$V" + | } + |}; + EOF + test_cmp expect actual +' + +# Verb 004child +# +# Test nested spawning of child processes. +# +# Conceptually, this looks like: +# P1: TT trace2 004child +# P2: |--- TT trace2 004child +# P3: |--- TT trace2 001return 0 + +test_expect_success JSON_PP 'event stream, return code 0' ' + test_when_finished "rm trace.event actual expect" && + GIT_TRACE2_EVENT="$(pwd)/trace.event" test-tool trace2 004child test-tool trace2 004child test-tool trace2 001return 0 && + perl "$TEST_DIRECTORY/t0212/parse_events.perl" <trace.event >actual && + sed -e "s/^|//" >expect <<-EOF && + |VAR1 = { + | "_SID0_":{ + | "argv":[ + | "_EXE_", + | "trace2", + | "004child", + | "test-tool", + | "trace2", + | "004child", + | "test-tool", + | "trace2", + | "001return", + | "0" + | ], + | "child":{ + | "0":{ + | "child_argv":[ + | "_EXE_", + | "trace2", + | "004child", + | "test-tool", + | "trace2", + | "001return", + | "0" + | ], + | "child_class":"?", + | "child_code":0, + | "use_shell":0 + | } + | }, + | "exit_code":0, + | "hierarchy":"trace2", + | "name":"trace2", + | "version":"$V" + | }, + | "_SID0_/_SID1_":{ + | "argv":[ + | "_EXE_", + | "trace2", + | "004child", + | "test-tool", + | "trace2", + | "001return", + | "0" + | ], + | "child":{ + | "0":{ + | "child_argv":[ + | "_EXE_", + | "trace2", + | "001return", + | "0" + | ], + | "child_class":"?", + | "child_code":0, + | "use_shell":0 + | } + | }, + | "exit_code":0, + | "hierarchy":"trace2/trace2", + | "name":"trace2", + | "version":"$V" + | }, + | "_SID0_/_SID1_/_SID2_":{ + | "argv":[ + | "_EXE_", + | "trace2", + | "001return", + | "0" + | ], + | "exit_code":0, + | "hierarchy":"trace2/trace2/trace2", + | "name":"trace2", + | "version":"$V" + | } + |}; + EOF + test_cmp expect actual +' + +# Test listing of all "interesting" config settings. + +test_expect_success JSON_PP 'event stream, list config' ' + test_when_finished "rm trace.event actual expect" && + git config --local t0212.abc 1 && + git config --local t0212.def "hello world" && + GIT_TRACE2_EVENT="$(pwd)/trace.event" GIT_TRACE2_CONFIG_PARAMS="t0212.*" test-tool trace2 001return 0 && + perl "$TEST_DIRECTORY/t0212/parse_events.perl" <trace.event >actual && + sed -e "s/^|//" >expect <<-EOF && + |VAR1 = { + | "_SID0_":{ + | "argv":[ + | "_EXE_", + | "trace2", + | "001return", + | "0" + | ], + | "exit_code":0, + | "hierarchy":"trace2", + | "name":"trace2", + | "params":[ + | { + | "param":"t0212.abc", + | "value":"1" + | }, + | { + | "param":"t0212.def", + | "value":"hello world" + | } + | ], + | "version":"$V" + | } + |}; + EOF + test_cmp expect actual +' + +test_expect_success JSON_PP 'basic trace2_data' ' + test_when_finished "rm trace.event actual expect" && + GIT_TRACE2_EVENT="$(pwd)/trace.event" test-tool trace2 006data test_category k1 v1 test_category k2 v2 && + perl "$TEST_DIRECTORY/t0212/parse_events.perl" <trace.event >actual && + sed -e "s/^|//" >expect <<-EOF && + |VAR1 = { + | "_SID0_":{ + | "argv":[ + | "_EXE_", + | "trace2", + | "006data", + | "test_category", + | "k1", + | "v1", + | "test_category", + | "k2", + | "v2" + | ], + | "data":{ + | "test_category":{ + | "k1":"v1", + | "k2":"v2" + | } + | }, + | "exit_code":0, + | "hierarchy":"trace2", + | "name":"trace2", + | "version":"$V" + | } + |}; + EOF + test_cmp expect actual +' + +# Now test without environment variables and get all Trace2 settings +# from the global config. + +test_expect_success JSON_PP 'using global config, event stream, error event' ' + test_when_finished "rm trace.event actual expect" && + test_config_global trace2.eventTarget "$(pwd)/trace.event" && + test-tool trace2 003error "hello world" "this is a test" && + perl "$TEST_DIRECTORY/t0212/parse_events.perl" <trace.event >actual && + sed -e "s/^|//" >expect <<-EOF && + |VAR1 = { + | "_SID0_":{ + | "argv":[ + | "_EXE_", + | "trace2", + | "003error", + | "hello world", + | "this is a test" + | ], + | "errors":[ + | "%s", + | "%s" + | ], + | "exit_code":0, + | "hierarchy":"trace2", + | "name":"trace2", + | "version":"$V" + | } + |}; + EOF + test_cmp expect actual +' + +test_expect_success 'discard traces when there are too many files' ' + mkdir trace_target_dir && + test_when_finished "rm -r trace_target_dir" && + ( + GIT_TRACE2_MAX_FILES=5 && + export GIT_TRACE2_MAX_FILES && + cd trace_target_dir && + test_seq $GIT_TRACE2_MAX_FILES >../expected_filenames.txt && + xargs touch <../expected_filenames.txt && + cd .. && + GIT_TRACE2_EVENT="$(pwd)/trace_target_dir" test-tool trace2 001return 0 + ) && + echo git-trace2-discard >>expected_filenames.txt && + ls trace_target_dir >ls_output.txt && + test_cmp expected_filenames.txt ls_output.txt && + head -n1 trace_target_dir/git-trace2-discard | grep \"event\":\"version\" && + head -n2 trace_target_dir/git-trace2-discard | tail -n1 | grep \"event\":\"too_many_files\" +' + +test_done |