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a17c4101 CC |
1 | #!/bin/sh |
2 | # | |
3 | # Copyright (c) 2007 Christian Couder | |
4 | # | |
4f506716 | 5 | test_description='Tests git-bisect functionality' |
a17c4101 | 6 | |
0a5280a9 JH |
7 | exec </dev/null |
8 | ||
a17c4101 CC |
9 | . ./test-lib.sh |
10 | ||
11 | add_line_into_file() | |
12 | { | |
13 | _line=$1 | |
14 | _file=$2 | |
15 | ||
16 | if [ -f "$_file" ]; then | |
17 | echo "$_line" >> $_file || return $? | |
18 | MSG="Add <$_line> into <$_file>." | |
19 | else | |
20 | echo "$_line" > $_file || return $? | |
21 | git add $_file || return $? | |
22 | MSG="Create file <$_file> with <$_line> inside." | |
23 | fi | |
24 | ||
ab69e89c JH |
25 | test_tick |
26 | git-commit --quiet -m "$MSG" $_file | |
a17c4101 CC |
27 | } |
28 | ||
29 | HASH1= | |
ab69e89c | 30 | HASH2= |
a17c4101 CC |
31 | HASH3= |
32 | HASH4= | |
33 | ||
ab69e89c JH |
34 | test_expect_success 'set up basic repo with 1 file (hello) and 4 commits' ' |
35 | add_line_into_file "1: Hello World" hello && | |
36 | HASH1=$(git rev-parse --verify HEAD) && | |
a17c4101 | 37 | add_line_into_file "2: A new day for git" hello && |
ab69e89c | 38 | HASH2=$(git rev-parse --verify HEAD) && |
a17c4101 | 39 | add_line_into_file "3: Another new day for git" hello && |
ab69e89c | 40 | HASH3=$(git rev-parse --verify HEAD) && |
a17c4101 | 41 | add_line_into_file "4: Ciao for now" hello && |
ab69e89c JH |
42 | HASH4=$(git rev-parse --verify HEAD) |
43 | ' | |
a17c4101 | 44 | |
0a5280a9 | 45 | test_expect_success 'bisect starts with only one bad' ' |
4f506716 JH |
46 | git bisect reset && |
47 | git bisect start && | |
0a5280a9 JH |
48 | git bisect bad $HASH4 && |
49 | git bisect next | |
4f506716 JH |
50 | ' |
51 | ||
f9487929 | 52 | test_expect_success 'bisect does not start with only one good' ' |
4f506716 JH |
53 | git bisect reset && |
54 | git bisect start && | |
55 | git bisect good $HASH1 || return 1 | |
56 | ||
57 | if git bisect next | |
58 | then | |
59 | echo Oops, should have failed. | |
60 | false | |
61 | else | |
62 | : | |
63 | fi | |
64 | ' | |
65 | ||
66 | test_expect_success 'bisect start with one bad and good' ' | |
67 | git bisect reset && | |
68 | git bisect start && | |
69 | git bisect good $HASH1 && | |
70 | git bisect bad $HASH4 && | |
71 | git bisect next | |
72 | ' | |
73 | ||
d3e54c88 | 74 | test_expect_success 'bisect fails if given any junk instead of revs' ' |
e3389075 | 75 | git bisect reset && |
d3e54c88 CC |
76 | test_must_fail git bisect start foo $HASH1 -- && |
77 | test_must_fail git bisect start $HASH4 $HASH1 bar -- && | |
78 | test -z "$(git for-each-ref "refs/bisect/*")" && | |
79 | test_must_fail ls .git/BISECT_* && | |
e3389075 CC |
80 | git bisect start && |
81 | test_must_fail git bisect good foo $HASH1 && | |
82 | test_must_fail git bisect good $HASH1 bar && | |
83 | test_must_fail git bisect bad frotz && | |
84 | test_must_fail git bisect bad $HASH3 $HASH4 && | |
85 | test_must_fail git bisect skip bar $HASH3 && | |
86 | test_must_fail git bisect skip $HASH1 foo && | |
d3e54c88 | 87 | test -z "$(git for-each-ref "refs/bisect/*")" && |
e3389075 CC |
88 | git bisect good $HASH1 && |
89 | git bisect bad $HASH4 | |
4f506716 JH |
90 | ' |
91 | ||
fce0499f CC |
92 | test_expect_success 'bisect reset: back in the master branch' ' |
93 | git bisect reset && | |
94 | echo "* master" > branch.expect && | |
95 | git branch > branch.output && | |
96 | cmp branch.expect branch.output | |
97 | ' | |
98 | ||
99 | test_expect_success 'bisect reset: back in another branch' ' | |
100 | git checkout -b other && | |
101 | git bisect start && | |
102 | git bisect good $HASH1 && | |
103 | git bisect bad $HASH3 && | |
104 | git bisect reset && | |
105 | echo " master" > branch.expect && | |
106 | echo "* other" >> branch.expect && | |
107 | git branch > branch.output && | |
108 | cmp branch.expect branch.output | |
109 | ' | |
110 | ||
111 | test_expect_success 'bisect reset when not bisecting' ' | |
112 | git bisect reset && | |
113 | git branch > branch.output && | |
114 | cmp branch.expect branch.output | |
115 | ' | |
116 | ||
947a604b CC |
117 | test_expect_success 'bisect reset removes packed refs' ' |
118 | git bisect reset && | |
119 | git bisect start && | |
120 | git bisect good $HASH1 && | |
121 | git bisect bad $HASH3 && | |
122 | git pack-refs --all --prune && | |
123 | git bisect next && | |
124 | git bisect reset && | |
125 | test -z "$(git for-each-ref "refs/bisect/*")" && | |
126 | test -z "$(git for-each-ref "refs/heads/bisect")" | |
127 | ' | |
128 | ||
97e1c51e CC |
129 | # $HASH1 is good, $HASH4 is bad, we skip $HASH3 |
130 | # but $HASH2 is bad, | |
131 | # so we should find $HASH2 as the first bad commit | |
132 | test_expect_success 'bisect skip: successfull result' ' | |
133 | git bisect reset && | |
134 | git bisect start $HASH4 $HASH1 && | |
135 | git bisect skip && | |
136 | git bisect bad > my_bisect_log.txt && | |
137 | grep "$HASH2 is first bad commit" my_bisect_log.txt && | |
138 | git bisect reset | |
139 | ' | |
140 | ||
141 | # $HASH1 is good, $HASH4 is bad, we skip $HASH3 and $HASH2 | |
142 | # so we should not be able to tell the first bad commit | |
143 | # among $HASH2, $HASH3 and $HASH4 | |
144 | test_expect_success 'bisect skip: cannot tell between 3 commits' ' | |
145 | git bisect start $HASH4 $HASH1 && | |
146 | git bisect skip || return 1 | |
147 | ||
148 | if git bisect skip > my_bisect_log.txt | |
149 | then | |
150 | echo Oops, should have failed. | |
151 | false | |
152 | else | |
153 | test $? -eq 2 && | |
154 | grep "first bad commit could be any of" my_bisect_log.txt && | |
155 | ! grep $HASH1 my_bisect_log.txt && | |
156 | grep $HASH2 my_bisect_log.txt && | |
157 | grep $HASH3 my_bisect_log.txt && | |
158 | grep $HASH4 my_bisect_log.txt && | |
159 | git bisect reset | |
160 | fi | |
161 | ' | |
162 | ||
163 | # $HASH1 is good, $HASH4 is bad, we skip $HASH3 | |
164 | # but $HASH2 is good, | |
165 | # so we should not be able to tell the first bad commit | |
166 | # among $HASH3 and $HASH4 | |
167 | test_expect_success 'bisect skip: cannot tell between 2 commits' ' | |
168 | git bisect start $HASH4 $HASH1 && | |
169 | git bisect skip || return 1 | |
170 | ||
171 | if git bisect good > my_bisect_log.txt | |
172 | then | |
173 | echo Oops, should have failed. | |
174 | false | |
175 | else | |
176 | test $? -eq 2 && | |
177 | grep "first bad commit could be any of" my_bisect_log.txt && | |
178 | ! grep $HASH1 my_bisect_log.txt && | |
179 | ! grep $HASH2 my_bisect_log.txt && | |
180 | grep $HASH3 my_bisect_log.txt && | |
181 | grep $HASH4 my_bisect_log.txt && | |
182 | git bisect reset | |
183 | fi | |
184 | ' | |
185 | ||
a17c4101 CC |
186 | # We want to automatically find the commit that |
187 | # introduced "Another" into hello. | |
188 | test_expect_success \ | |
38a47fd6 CC |
189 | '"git bisect run" simple case' \ |
190 | 'echo "#"\!"/bin/sh" > test_script.sh && | |
a17c4101 CC |
191 | echo "grep Another hello > /dev/null" >> test_script.sh && |
192 | echo "test \$? -ne 0" >> test_script.sh && | |
193 | chmod +x test_script.sh && | |
194 | git bisect start && | |
195 | git bisect good $HASH1 && | |
196 | git bisect bad $HASH4 && | |
197 | git bisect run ./test_script.sh > my_bisect_log.txt && | |
38a47fd6 CC |
198 | grep "$HASH3 is first bad commit" my_bisect_log.txt && |
199 | git bisect reset' | |
200 | ||
201 | # We want to automatically find the commit that | |
202 | # introduced "Ciao" into hello. | |
203 | test_expect_success \ | |
204 | '"git bisect run" with more complex "git bisect start"' \ | |
205 | 'echo "#"\!"/bin/sh" > test_script.sh && | |
206 | echo "grep Ciao hello > /dev/null" >> test_script.sh && | |
207 | echo "test \$? -ne 0" >> test_script.sh && | |
208 | chmod +x test_script.sh && | |
209 | git bisect start $HASH4 $HASH1 && | |
210 | git bisect run ./test_script.sh > my_bisect_log.txt && | |
211 | grep "$HASH4 is first bad commit" my_bisect_log.txt && | |
212 | git bisect reset' | |
a17c4101 | 213 | |
97e1c51e CC |
214 | # $HASH1 is good, $HASH5 is bad, we skip $HASH3 |
215 | # but $HASH4 is good, | |
216 | # so we should find $HASH5 as the first bad commit | |
217 | HASH5= | |
218 | test_expect_success 'bisect skip: add line and then a new test' ' | |
219 | add_line_into_file "5: Another new line." hello && | |
220 | HASH5=$(git rev-parse --verify HEAD) && | |
221 | git bisect start $HASH5 $HASH1 && | |
222 | git bisect skip && | |
223 | git bisect good > my_bisect_log.txt && | |
224 | grep "$HASH5 is first bad commit" my_bisect_log.txt && | |
fce0499f | 225 | git bisect log > log_to_replay.txt && |
37f9fd0d CC |
226 | git bisect reset |
227 | ' | |
228 | ||
229 | test_expect_success 'bisect skip and bisect replay' ' | |
230 | git bisect replay log_to_replay.txt > my_bisect_log.txt && | |
231 | grep "$HASH5 is first bad commit" my_bisect_log.txt && | |
97e1c51e CC |
232 | git bisect reset |
233 | ' | |
234 | ||
71b0251c CC |
235 | HASH6= |
236 | test_expect_success 'bisect run & skip: cannot tell between 2' ' | |
237 | add_line_into_file "6: Yet a line." hello && | |
238 | HASH6=$(git rev-parse --verify HEAD) && | |
239 | echo "#"\!"/bin/sh" > test_script.sh && | |
b4ce54fc | 240 | echo "sed -ne \\\$p hello | grep Ciao > /dev/null && exit 125" >> test_script.sh && |
71b0251c CC |
241 | echo "grep line hello > /dev/null" >> test_script.sh && |
242 | echo "test \$? -ne 0" >> test_script.sh && | |
243 | chmod +x test_script.sh && | |
244 | git bisect start $HASH6 $HASH1 && | |
245 | if git bisect run ./test_script.sh > my_bisect_log.txt | |
246 | then | |
247 | echo Oops, should have failed. | |
248 | false | |
249 | else | |
250 | test $? -eq 2 && | |
251 | grep "first bad commit could be any of" my_bisect_log.txt && | |
252 | ! grep $HASH3 my_bisect_log.txt && | |
253 | ! grep $HASH6 my_bisect_log.txt && | |
254 | grep $HASH4 my_bisect_log.txt && | |
255 | grep $HASH5 my_bisect_log.txt | |
256 | fi | |
257 | ' | |
258 | ||
259 | HASH7= | |
260 | test_expect_success 'bisect run & skip: find first bad' ' | |
261 | git bisect reset && | |
262 | add_line_into_file "7: Should be the last line." hello && | |
263 | HASH7=$(git rev-parse --verify HEAD) && | |
264 | echo "#"\!"/bin/sh" > test_script.sh && | |
b4ce54fc JK |
265 | echo "sed -ne \\\$p hello | grep Ciao > /dev/null && exit 125" >> test_script.sh && |
266 | echo "sed -ne \\\$p hello | grep day > /dev/null && exit 125" >> test_script.sh && | |
71b0251c CC |
267 | echo "grep Yet hello > /dev/null" >> test_script.sh && |
268 | echo "test \$? -ne 0" >> test_script.sh && | |
269 | chmod +x test_script.sh && | |
270 | git bisect start $HASH7 $HASH1 && | |
271 | git bisect run ./test_script.sh > my_bisect_log.txt && | |
272 | grep "$HASH6 is first bad commit" my_bisect_log.txt | |
273 | ' | |
274 | ||
ce32660e JS |
275 | test_expect_success 'bisect starting with a detached HEAD' ' |
276 | ||
277 | git bisect reset && | |
278 | git checkout master^ && | |
279 | HEAD=$(git rev-parse --verify HEAD) && | |
280 | git bisect start && | |
b577bb92 | 281 | test $HEAD = $(cat .git/BISECT_START) && |
ce32660e JS |
282 | git bisect reset && |
283 | test $HEAD = $(git rev-parse --verify HEAD) | |
284 | ||
285 | ' | |
286 | ||
ee831f7d GP |
287 | test_expect_success 'bisect refuses to start if branch bisect exists' ' |
288 | git bisect reset && | |
289 | git branch bisect && | |
290 | test_must_fail git bisect start && | |
291 | git branch -d bisect && | |
292 | git checkout -b bisect && | |
293 | test_must_fail git bisect start && | |
294 | git checkout master && | |
295 | git branch -d bisect | |
296 | ' | |
297 | ||
298 | test_expect_success 'bisect refuses to start if branch new-bisect exists' ' | |
299 | git bisect reset && | |
300 | git branch new-bisect && | |
301 | test_must_fail git bisect start && | |
302 | git branch -d new-bisect | |
303 | ' | |
304 | ||
42ba5ee7 CC |
305 | test_expect_success 'bisect errors out if bad and good are mistaken' ' |
306 | git bisect reset && | |
307 | test_must_fail git bisect start $HASH2 $HASH4 2> rev_list_error && | |
308 | grep "mistake good and bad" rev_list_error && | |
309 | git bisect reset | |
310 | ' | |
311 | ||
a17c4101 CC |
312 | # |
313 | # | |
314 | test_done |