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1 | #!/bin/sh | |
2 | # | |
3 | # Copyright (c) 2007 Christian Couder | |
4 | # | |
5 | test_description='Tests git-bisect functionality' | |
6 | ||
7 | exec </dev/null | |
8 | ||
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 <$_line> inside." | |
23 | fi | |
24 | ||
25 | test_tick | |
26 | git-commit --quiet -m "$MSG" $_file | |
27 | } | |
28 | ||
29 | HASH1= | |
30 | HASH2= | |
31 | HASH3= | |
32 | HASH4= | |
33 | ||
34 | test_expect_success 'set up basic repo with 1 file (hello) and 4 commits' ' | |
35 | add_line_into_file "1: Hello World" hello && | |
36 | HASH1=$(git rev-parse --verify HEAD) && | |
37 | add_line_into_file "2: A new day for git" hello && | |
38 | HASH2=$(git rev-parse --verify HEAD) && | |
39 | add_line_into_file "3: Another new day for git" hello && | |
40 | HASH3=$(git rev-parse --verify HEAD) && | |
41 | add_line_into_file "4: Ciao for now" hello && | |
42 | HASH4=$(git rev-parse --verify HEAD) | |
43 | ' | |
44 | ||
45 | test_expect_success 'bisect starts with only one bad' ' | |
46 | git bisect reset && | |
47 | git bisect start && | |
48 | git bisect bad $HASH4 && | |
49 | git bisect next | |
50 | ' | |
51 | ||
52 | test_expect_success 'bisect does not start with only one good' ' | |
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 | ||
74 | test_expect_success 'bisect reset removes packed refs' ' | |
75 | git bisect reset && | |
76 | git bisect start && | |
77 | git bisect good $HASH1 && | |
78 | git bisect bad $HASH3 && | |
79 | git pack-refs --all --prune && | |
80 | git bisect next && | |
81 | git bisect reset && | |
82 | test -z "$(git for-each-ref "refs/bisect/*")" && | |
83 | test -z "$(git for-each-ref "refs/heads/bisect")" | |
84 | ' | |
85 | ||
86 | # $HASH1 is good, $HASH4 is bad, we skip $HASH3 | |
87 | # but $HASH2 is bad, | |
88 | # so we should find $HASH2 as the first bad commit | |
89 | test_expect_success 'bisect skip: successfull result' ' | |
90 | git bisect reset && | |
91 | git bisect start $HASH4 $HASH1 && | |
92 | git bisect skip && | |
93 | git bisect bad > my_bisect_log.txt && | |
94 | grep "$HASH2 is first bad commit" my_bisect_log.txt && | |
95 | git bisect reset | |
96 | ' | |
97 | ||
98 | # $HASH1 is good, $HASH4 is bad, we skip $HASH3 and $HASH2 | |
99 | # so we should not be able to tell the first bad commit | |
100 | # among $HASH2, $HASH3 and $HASH4 | |
101 | test_expect_success 'bisect skip: cannot tell between 3 commits' ' | |
102 | git bisect start $HASH4 $HASH1 && | |
103 | git bisect skip || return 1 | |
104 | ||
105 | if git bisect skip > my_bisect_log.txt | |
106 | then | |
107 | echo Oops, should have failed. | |
108 | false | |
109 | else | |
110 | test $? -eq 2 && | |
111 | grep "first bad commit could be any of" my_bisect_log.txt && | |
112 | ! grep $HASH1 my_bisect_log.txt && | |
113 | grep $HASH2 my_bisect_log.txt && | |
114 | grep $HASH3 my_bisect_log.txt && | |
115 | grep $HASH4 my_bisect_log.txt && | |
116 | git bisect reset | |
117 | fi | |
118 | ' | |
119 | ||
120 | # $HASH1 is good, $HASH4 is bad, we skip $HASH3 | |
121 | # but $HASH2 is good, | |
122 | # so we should not be able to tell the first bad commit | |
123 | # among $HASH3 and $HASH4 | |
124 | test_expect_success 'bisect skip: cannot tell between 2 commits' ' | |
125 | git bisect start $HASH4 $HASH1 && | |
126 | git bisect skip || return 1 | |
127 | ||
128 | if git bisect good > my_bisect_log.txt | |
129 | then | |
130 | echo Oops, should have failed. | |
131 | false | |
132 | else | |
133 | test $? -eq 2 && | |
134 | grep "first bad commit could be any of" my_bisect_log.txt && | |
135 | ! grep $HASH1 my_bisect_log.txt && | |
136 | ! grep $HASH2 my_bisect_log.txt && | |
137 | grep $HASH3 my_bisect_log.txt && | |
138 | grep $HASH4 my_bisect_log.txt && | |
139 | git bisect reset | |
140 | fi | |
141 | ' | |
142 | ||
143 | # We want to automatically find the commit that | |
144 | # introduced "Another" into hello. | |
145 | test_expect_success \ | |
146 | '"git bisect run" simple case' \ | |
147 | 'echo "#"\!"/bin/sh" > test_script.sh && | |
148 | echo "grep Another hello > /dev/null" >> test_script.sh && | |
149 | echo "test \$? -ne 0" >> test_script.sh && | |
150 | chmod +x test_script.sh && | |
151 | git bisect start && | |
152 | git bisect good $HASH1 && | |
153 | git bisect bad $HASH4 && | |
154 | git bisect run ./test_script.sh > my_bisect_log.txt && | |
155 | grep "$HASH3 is first bad commit" my_bisect_log.txt && | |
156 | git bisect reset' | |
157 | ||
158 | # We want to automatically find the commit that | |
159 | # introduced "Ciao" into hello. | |
160 | test_expect_success \ | |
161 | '"git bisect run" with more complex "git bisect start"' \ | |
162 | 'echo "#"\!"/bin/sh" > test_script.sh && | |
163 | echo "grep Ciao hello > /dev/null" >> test_script.sh && | |
164 | echo "test \$? -ne 0" >> test_script.sh && | |
165 | chmod +x test_script.sh && | |
166 | git bisect start $HASH4 $HASH1 && | |
167 | git bisect run ./test_script.sh > my_bisect_log.txt && | |
168 | grep "$HASH4 is first bad commit" my_bisect_log.txt && | |
169 | git bisect reset' | |
170 | ||
171 | # $HASH1 is good, $HASH5 is bad, we skip $HASH3 | |
172 | # but $HASH4 is good, | |
173 | # so we should find $HASH5 as the first bad commit | |
174 | HASH5= | |
175 | test_expect_success 'bisect skip: add line and then a new test' ' | |
176 | add_line_into_file "5: Another new line." hello && | |
177 | HASH5=$(git rev-parse --verify HEAD) && | |
178 | git bisect start $HASH5 $HASH1 && | |
179 | git bisect skip && | |
180 | git bisect good > my_bisect_log.txt && | |
181 | grep "$HASH5 is first bad commit" my_bisect_log.txt && | |
182 | git bisect log > log_to_replay.txt | |
183 | git bisect reset | |
184 | ' | |
185 | ||
186 | test_expect_success 'bisect skip and bisect replay' ' | |
187 | git bisect replay log_to_replay.txt > my_bisect_log.txt && | |
188 | grep "$HASH5 is first bad commit" my_bisect_log.txt && | |
189 | git bisect reset | |
190 | ' | |
191 | ||
192 | HASH6= | |
193 | test_expect_success 'bisect run & skip: cannot tell between 2' ' | |
194 | add_line_into_file "6: Yet a line." hello && | |
195 | HASH6=$(git rev-parse --verify HEAD) && | |
196 | echo "#"\!"/bin/sh" > test_script.sh && | |
197 | echo "tail -1 hello | grep Ciao > /dev/null && exit 125" >> test_script.sh && | |
198 | echo "grep line hello > /dev/null" >> test_script.sh && | |
199 | echo "test \$? -ne 0" >> test_script.sh && | |
200 | chmod +x test_script.sh && | |
201 | git bisect start $HASH6 $HASH1 && | |
202 | if git bisect run ./test_script.sh > my_bisect_log.txt | |
203 | then | |
204 | echo Oops, should have failed. | |
205 | false | |
206 | else | |
207 | test $? -eq 2 && | |
208 | grep "first bad commit could be any of" my_bisect_log.txt && | |
209 | ! grep $HASH3 my_bisect_log.txt && | |
210 | ! grep $HASH6 my_bisect_log.txt && | |
211 | grep $HASH4 my_bisect_log.txt && | |
212 | grep $HASH5 my_bisect_log.txt | |
213 | fi | |
214 | ' | |
215 | ||
216 | HASH7= | |
217 | test_expect_success 'bisect run & skip: find first bad' ' | |
218 | git bisect reset && | |
219 | add_line_into_file "7: Should be the last line." hello && | |
220 | HASH7=$(git rev-parse --verify HEAD) && | |
221 | echo "#"\!"/bin/sh" > test_script.sh && | |
222 | echo "tail -1 hello | grep Ciao > /dev/null && exit 125" >> test_script.sh && | |
223 | echo "tail -1 hello | grep day > /dev/null && exit 125" >> test_script.sh && | |
224 | echo "grep Yet hello > /dev/null" >> test_script.sh && | |
225 | echo "test \$? -ne 0" >> test_script.sh && | |
226 | chmod +x test_script.sh && | |
227 | git bisect start $HASH7 $HASH1 && | |
228 | git bisect run ./test_script.sh > my_bisect_log.txt && | |
229 | grep "$HASH6 is first bad commit" my_bisect_log.txt | |
230 | ' | |
231 | ||
232 | # | |
233 | # | |
234 | test_done |