1#!/bin/sh
2
3test_description='test trace2 facility (normal target)'
4. ./test-lib.sh
5
6# Turn off any inherited trace2 settings for this test.
7sane_unset GIT_TRACE2 GIT_TRACE2_PERF GIT_TRACE2_EVENT
8sane_unset GIT_TRACE2_BRIEF
9sane_unset GIT_TRACE2_CONFIG_PARAMS
10
11# Add t/helper directory to PATH so that we can use a relative
12# path to run nested instances of test-tool.exe (see 004child).
13# This helps with HEREDOC comparisons later.
14TTDIR="$GIT_BUILD_DIR/t/helper/" && export TTDIR
15PATH="$TTDIR:$PATH" && export PATH
16
17# Warning: use of 'test_cmp' may run test-tool.exe and/or git.exe
18# Warning: to do the actual diff/comparison, so the HEREDOCs here
19# Warning: only cover our actual calls to test-tool and/or git.
20# Warning: So you may see extra lines in artifact files when
21# Warning: interactively debugging.
22
23V=$(git version | sed -e 's/^git version //') && export V
24
25# There are multiple trace2 targets: normal, perf, and event.
26# Trace2 events will/can be written to each active target (subject
27# to whatever filtering that target decides to do).
28# This script tests the normal target in isolation.
29#
30# Defer setting GIT_TRACE2 until the actual command line we want to test
31# because hidden git and test-tool commands run by the test harness
32# can contaminate our output.
33
34# Enable "brief" feature which turns off "<clock> <file>:<line> " prefix.
35GIT_TRACE2_BRIEF=1 && export GIT_TRACE2_BRIEF
36
37# Basic tests of the trace2 normal stream. Since this stream is used
38# primarily with printf-style debugging/tracing, we do limited testing
39# here.
40#
41# We do confirm the following API features:
42# [] the 'version <v>' event
43# [] the 'start <argv>' event
44# [] the 'cmd_name <name>' event
45# [] the 'exit <time> code:<code>' event
46# [] the 'atexit <time> code:<code>' event
47#
48# Fields of the form _FIELD_ are tokens that have been replaced (such
49# as the elapsed time).
50
51# Verb 001return
52#
53# Implicit return from cmd_<verb> function propagates <code>.
54
55test_expect_success 'normal stream, return code 0' '
56 test_when_finished "rm trace.normal actual expect" &&
57 GIT_TRACE2="$(pwd)/trace.normal" test-tool trace2 001return 0 &&
58 perl "$TEST_DIRECTORY/t0210/scrub_normal.perl" <trace.normal >actual &&
59 cat >expect <<-EOF &&
60 version $V
61 start _EXE_ trace2 001return 0
62 cmd_name trace2 (trace2)
63 exit elapsed:_TIME_ code:0
64 atexit elapsed:_TIME_ code:0
65 EOF
66 test_cmp expect actual
67'
68
69test_expect_success 'normal stream, return code 1' '
70 test_when_finished "rm trace.normal actual expect" &&
71 test_must_fail env GIT_TRACE2="$(pwd)/trace.normal" test-tool trace2 001return 1 &&
72 perl "$TEST_DIRECTORY/t0210/scrub_normal.perl" <trace.normal >actual &&
73 cat >expect <<-EOF &&
74 version $V
75 start _EXE_ trace2 001return 1
76 cmd_name trace2 (trace2)
77 exit elapsed:_TIME_ code:1
78 atexit elapsed:_TIME_ code:1
79 EOF
80 test_cmp expect actual
81'
82
83test_expect_success 'automatic filename' '
84 test_when_finished "rm -r traces actual expect" &&
85 mkdir traces &&
86 GIT_TRACE2="$(pwd)/traces" test-tool trace2 001return 0 &&
87 perl "$TEST_DIRECTORY/t0210/scrub_normal.perl" <"$(ls traces/*)" >actual &&
88 cat >expect <<-EOF &&
89 version $V
90 start _EXE_ trace2 001return 0
91 cmd_name trace2 (trace2)
92 exit elapsed:_TIME_ code:0
93 atexit elapsed:_TIME_ code:0
94 EOF
95 test_cmp expect actual
96'
97
98# Verb 002exit
99#
100# Explicit exit(code) from within cmd_<verb> propagates <code>.
101
102test_expect_success 'normal stream, exit code 0' '
103 test_when_finished "rm trace.normal actual expect" &&
104 GIT_TRACE2="$(pwd)/trace.normal" test-tool trace2 002exit 0 &&
105 perl "$TEST_DIRECTORY/t0210/scrub_normal.perl" <trace.normal >actual &&
106 cat >expect <<-EOF &&
107 version $V
108 start _EXE_ trace2 002exit 0
109 cmd_name trace2 (trace2)
110 exit elapsed:_TIME_ code:0
111 atexit elapsed:_TIME_ code:0
112 EOF
113 test_cmp expect actual
114'
115
116test_expect_success 'normal stream, exit code 1' '
117 test_when_finished "rm trace.normal actual expect" &&
118 test_must_fail env GIT_TRACE2="$(pwd)/trace.normal" test-tool trace2 002exit 1 &&
119 perl "$TEST_DIRECTORY/t0210/scrub_normal.perl" <trace.normal >actual &&
120 cat >expect <<-EOF &&
121 version $V
122 start _EXE_ trace2 002exit 1
123 cmd_name trace2 (trace2)
124 exit elapsed:_TIME_ code:1
125 atexit elapsed:_TIME_ code:1
126 EOF
127 test_cmp expect actual
128'
129
130# Verb 003error
131#
132# To the above, add multiple 'error <msg>' events
133
134test_expect_success 'normal stream, error event' '
135 test_when_finished "rm trace.normal actual expect" &&
136 GIT_TRACE2="$(pwd)/trace.normal" test-tool trace2 003error "hello world" "this is a test" &&
137 perl "$TEST_DIRECTORY/t0210/scrub_normal.perl" <trace.normal >actual &&
138 cat >expect <<-EOF &&
139 version $V
140 start _EXE_ trace2 003error '\''hello world'\'' '\''this is a test'\''
141 cmd_name trace2 (trace2)
142 error hello world
143 error this is a test
144 exit elapsed:_TIME_ code:0
145 atexit elapsed:_TIME_ code:0
146 EOF
147 test_cmp expect actual
148'
149
150sane_unset GIT_TRACE2_BRIEF
151
152# Now test without environment variables and get all Trace2 settings
153# from the global config.
154
155test_expect_success 'using global config, normal stream, return code 0' '
156 test_when_finished "rm trace.normal actual expect" &&
157 test_config_global trace2.normalBrief 1 &&
158 test_config_global trace2.normalTarget "$(pwd)/trace.normal" &&
159 test-tool trace2 001return 0 &&
160 perl "$TEST_DIRECTORY/t0210/scrub_normal.perl" <trace.normal >actual &&
161 cat >expect <<-EOF &&
162 version $V
163 start _EXE_ trace2 001return 0
164 cmd_name trace2 (trace2)
165 exit elapsed:_TIME_ code:0
166 atexit elapsed:_TIME_ code:0
167 EOF
168 test_cmp expect actual
169'
170
171test_expect_success 'using global config with include' '
172 test_when_finished "rm trace.normal actual expect real.gitconfig" &&
173 test_config_global trace2.normalBrief 1 &&
174 test_config_global trace2.normalTarget "$(pwd)/trace.normal" &&
175 mv "$(pwd)/.gitconfig" "$(pwd)/real.gitconfig" &&
176 test_config_global include.path "$(pwd)/real.gitconfig" &&
177 test-tool trace2 001return 0 &&
178 perl "$TEST_DIRECTORY/t0210/scrub_normal.perl" <trace.normal >actual &&
179 cat >expect <<-EOF &&
180 version $V
181 start _EXE_ trace2 001return 0
182 cmd_name trace2 (trace2)
183 exit elapsed:_TIME_ code:0
184 atexit elapsed:_TIME_ code:0
185 EOF
186 test_cmp expect actual
187'
188
189test_done