t0000: catch trivial pilot errors.
[git/git.git] / t / test-lib.sh
1 #!/bin/sh
2 #
3 # Copyright (c) 2005 Junio C Hamano
4 #
5
6 # For repeatability, reset the environment to known value.
7 LANG=C
8 LC_ALL=C
9 PAGER=cat
10 TZ=UTC
11 export LANG LC_ALL PAGER TZ
12 unset AUTHOR_DATE
13 unset AUTHOR_EMAIL
14 unset AUTHOR_NAME
15 unset COMMIT_AUTHOR_EMAIL
16 unset COMMIT_AUTHOR_NAME
17 unset GIT_ALTERNATE_OBJECT_DIRECTORIES
18 unset GIT_AUTHOR_DATE
19 unset GIT_AUTHOR_EMAIL
20 unset GIT_AUTHOR_NAME
21 unset GIT_COMMITTER_EMAIL
22 unset GIT_COMMITTER_NAME
23 unset GIT_DIFF_OPTS
24 unset GIT_DIR
25 unset GIT_EXTERNAL_DIFF
26 unset GIT_INDEX_FILE
27 unset GIT_OBJECT_DIRECTORY
28 unset SHA1_FILE_DIRECTORIES
29 unset 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
38 error () {
39 echo "* error: $*"
40 trap - exit
41 exit 1
42 }
43
44 say () {
45 echo "* $*"
46 }
47
48 test "${test_description}" != "" ||
49 error "Test script did not set test_description."
50
51 while test "$#" -ne 0
52 do
53 case "$1" in
54 -d|--d|--de|--deb|--debu|--debug)
55 debug=t; shift ;;
56 -i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
57 immediate=t; shift ;;
58 -h|--h|--he|--hel|--help)
59 echo "$test_description"
60 exit 0 ;;
61 -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
62 verbose=t; shift ;;
63 *)
64 break ;;
65 esac
66 done
67
68 exec 5>&1
69 if test "$verbose" = "t"
70 then
71 exec 4>&2 3>&1
72 else
73 exec 4>/dev/null 3>/dev/null
74 fi
75
76 test_failure=0
77 test_count=0
78
79 trap 'echo >&5 "FATAL: Unexpected exit with code $?"; exit 1' exit
80
81
82 # You are not expected to call test_ok_ and test_failure_ directly, use
83 # the text_expect_* functions instead.
84
85 test_ok_ () {
86 test_count=$(expr "$test_count" + 1)
87 say " ok $test_count: $@"
88 }
89
90 test_failure_ () {
91 test_count=$(expr "$test_count" + 1)
92 test_failure=$(expr "$test_failure" + 1);
93 say "FAIL $test_count: $1"
94 shift
95 echo "$@" | sed -e 's/^/ /'
96 test "$immediate" = "" || { trap - exit; exit 1; }
97 }
98
99
100 test_debug () {
101 test "$debug" = "" || eval "$1"
102 }
103
104 test_run_ () {
105 eval >&3 2>&4 "$1"
106 eval_ret="$?"
107 return 0
108 }
109
110 test_expect_failure () {
111 test "$#" = 2 ||
112 error "bug in the test script: not 2 parameters to test-expect-failure"
113 say >&3 "expecting failure: $2"
114 test_run_ "$2"
115 if [ "$?" = 0 -a "$eval_ret" != 0 ]
116 then
117 test_ok_ "$1"
118 else
119 test_failure_ "$@"
120 fi
121 }
122
123 test_expect_success () {
124 test "$#" = 2 ||
125 error "bug in the test script: not 2 parameters to test-expect-success"
126 say >&3 "expecting success: $2"
127 test_run_ "$2"
128 if [ "$?" = 0 -a "$eval_ret" = 0 ]
129 then
130 test_ok_ "$1"
131 else
132 test_failure_ "$@"
133 fi
134 }
135
136 test_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
149 test_done () {
150 trap - exit
151 case "$test_failure" in
152 0)
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 $test_count test(s)"
166 exit 1 ;;
167
168 esac
169 }
170
171 # Test the binaries we have just built. The tests are kept in
172 # t/ subdirectory and are run in trash subdirectory.
173 PATH=$(pwd)/..:$PATH
174 GIT_EXEC_PATH=$(pwd)/..
175 export PATH GIT_EXEC_PATH
176
177 # Similarly use ../compat/subprocess.py if our python does not
178 # have subprocess.py on its own.
179 PYTHON=`sed -e '1{
180 s/^#!//
181 q
182 }' ../git-merge-recursive` || {
183 error "You haven't built things yet, have you?"
184 }
185 "$PYTHON" -c 'import subprocess' 2>/dev/null || {
186 PYTHONPATH=$(pwd)/../compat
187 export PYTHONPATH
188 }
189 test -d ../templates/blt || {
190 error "You haven't built things yet, have you?"
191 }
192
193 # Test repository
194 test=trash
195 rm -fr "$test"
196 mkdir "$test"
197 cd "$test"
198 "$GIT_EXEC_PATH/git" init-db --template=../../templates/blt/ 2>/dev/null ||
199 error "cannot run git init-db -- have you built things yet?"
200
201 mv .git/hooks .git/hooks-disabled