t0000: catch trivial pilot errors.
[git/git.git] / t / test-lib.sh
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1#!/bin/sh
2#
3# Copyright (c) 2005 Junio C Hamano
4#
5
6# For repeatability, reset the environment to known value.
7LANG=C
899460f3 8LC_ALL=C
d9bdd39e 9PAGER=cat
e1970ce4 10TZ=UTC
899460f3 11export LANG LC_ALL PAGER TZ
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12unset AUTHOR_DATE
13unset AUTHOR_EMAIL
14unset AUTHOR_NAME
15unset COMMIT_AUTHOR_EMAIL
16unset COMMIT_AUTHOR_NAME
17unset GIT_ALTERNATE_OBJECT_DIRECTORIES
18unset GIT_AUTHOR_DATE
19unset GIT_AUTHOR_EMAIL
20unset GIT_AUTHOR_NAME
21unset GIT_COMMITTER_EMAIL
22unset GIT_COMMITTER_NAME
23unset GIT_DIFF_OPTS
24unset GIT_DIR
25unset GIT_EXTERNAL_DIFF
26unset GIT_INDEX_FILE
27unset GIT_OBJECT_DIRECTORY
28unset SHA1_FILE_DIRECTORIES
29unset SHA1_FILE_DIRECTORY
30
31# Each test should start with something like this, after copyright notices:
32#
33# test_description='Description of this test...
34# This test checks if command xyzzy does the right thing...
35# '
36# . ./test-lib.sh
37
38error () {
39 echo "* error: $*"
41184273 40 trap - exit
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41 exit 1
42}
43
44say () {
45 echo "* $*"
46}
47
48test "${test_description}" != "" ||
49error "Test script did not set test_description."
50
51while test "$#" -ne 0
52do
53 case "$1" in
54 -d|--d|--de|--deb|--debu|--debug)
55 debug=t; shift ;;
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56 -i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
57 immediate=t; shift ;;
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58 -h|--h|--he|--hel|--help)
59 echo "$test_description"
60 exit 0 ;;
61 -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
62 verbose=t; shift ;;
63 *)
64 break ;;
65 esac
66done
67
4d9d62fa 68exec 5>&1
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69if test "$verbose" = "t"
70then
71 exec 4>&2 3>&1
72else
73 exec 4>/dev/null 3>/dev/null
74fi
75
76test_failure=0
77test_count=0
78
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79trap 'echo >&5 "FATAL: Unexpected exit with code $?"; exit 1' exit
80
e1970ce4 81
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82# You are not expected to call test_ok_ and test_failure_ directly, use
83# the text_expect_* functions instead.
84
85test_ok_ () {
e1970ce4 86 test_count=$(expr "$test_count" + 1)
94e8afa2 87 say " ok $test_count: $@"
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88}
89
886856ab 90test_failure_ () {
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91 test_count=$(expr "$test_count" + 1)
92 test_failure=$(expr "$test_failure" + 1);
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93 say "FAIL $test_count: $1"
94 shift
95 echo "$@" | sed -e 's/^/ /'
41184273 96 test "$immediate" = "" || { trap - exit; exit 1; }
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97}
98
99
100test_debug () {
8e832ebc 101 test "$debug" = "" || eval "$1"
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102}
103
4d9d62fa 104test_run_ () {
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105 eval >&3 2>&4 "$1"
106 eval_ret="$?"
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107 return 0
108}
109
e1970ce4 110test_expect_failure () {
8e832ebc 111 test "$#" = 2 ||
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112 error "bug in the test script: not 2 parameters to test-expect-failure"
113 say >&3 "expecting failure: $2"
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114 test_run_ "$2"
115 if [ "$?" = 0 -a "$eval_ret" != 0 ]
e1970ce4 116 then
886856ab 117 test_ok_ "$1"
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118 else
119 test_failure_ "$@"
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120 fi
121}
122
123test_expect_success () {
8e832ebc 124 test "$#" = 2 ||
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125 error "bug in the test script: not 2 parameters to test-expect-success"
126 say >&3 "expecting success: $2"
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127 test_run_ "$2"
128 if [ "$?" = 0 -a "$eval_ret" = 0 ]
e1970ce4 129 then
886856ab 130 test_ok_ "$1"
e1970ce4 131 else
886856ab 132 test_failure_ "$@"
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133 fi
134}
135
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136test_expect_code () {
137 test "$#" = 3 ||
138 error "bug in the test script: not 3 parameters to test-expect-code"
139 say >&3 "expecting exit code $1: $3"
140 test_run_ "$3"
141 if [ "$?" = 0 -a "$eval_ret" = "$1" ]
142 then
143 test_ok_ "$2"
144 else
145 test_failure_ "$@"
146 fi
147}
148
e1970ce4 149test_done () {
41184273 150 trap - exit
e1970ce4 151 case "$test_failure" in
10b94e28 152 0)
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153 # We could:
154 # cd .. && rm -fr trash
155 # but that means we forbid any tests that use their own
156 # subdirectory from calling test_done without coming back
157 # to where they started from.
158 # The Makefile provided will clean this test area so
159 # we will leave things as they are.
160
161 say "passed all $test_count test(s)"
162 exit 0 ;;
163
164 *)
165 say "failed $test_failure among $test_count test(s)"
166 exit 1 ;;
167
168 esac
169}
170
171# Test the binaries we have just built. The tests are kept in
172# t/ subdirectory and are run in trash subdirectory.
173PATH=$(pwd)/..:$PATH
a0fa2a10 174GIT_EXEC_PATH=$(pwd)/..
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175export PATH GIT_EXEC_PATH
176
177# Similarly use ../compat/subprocess.py if our python does not
178# have subprocess.py on its own.
179PYTHON=`sed -e '1{
180 s/^#!//
181 q
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182}' ../git-merge-recursive` || {
183 error "You haven't built things yet, have you?"
184}
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185"$PYTHON" -c 'import subprocess' 2>/dev/null || {
186 PYTHONPATH=$(pwd)/../compat
187 export PYTHONPATH
188}
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189test -d ../templates/blt || {
190 error "You haven't built things yet, have you?"
191}
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192
193# Test repository
194test=trash
195rm -fr "$test"
196mkdir "$test"
197cd "$test"
10b94e28 198"$GIT_EXEC_PATH/git" init-db --template=../../templates/blt/ 2>/dev/null ||
eea42069 199error "cannot run git init-db -- have you built things yet?"
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200
201mv .git/hooks .git/hooks-disabled