Merge branch 'jk/enable-test-lint-by-default' into maint
[git/jnareb-git.git] / t / t4019-diff-wserror.sh
bloba5019759bc7593cf8affd8625f61bbd7ab1b9655
1 #!/bin/sh
3 test_description='diff whitespace error detection'
5 . ./test-lib.sh
7 test_expect_success setup '
9 git config diff.color.whitespace "blue reverse" &&
10 >F &&
11 git add F &&
12 echo " Eight SP indent" >>F &&
13 echo " HT and SP indent" >>F &&
14 echo "With trailing SP " >>F &&
15 echo "Carriage ReturnQ" | tr Q "\015" >>F &&
16 echo "No problem" >>F &&
17 echo >>F
21 blue_grep='7;34m' ;# ESC [ 7 ; 3 4 m
23 printf "\033[%s" "$blue_grep" >check-grep
24 if (grep "$blue_grep" <check-grep | grep "$blue_grep") >/dev/null 2>&1
25 then
26 grep_a=grep
27 elif (grep -a "$blue_grep" <check-grep | grep -a "$blue_grep") >/dev/null 2>&1
28 then
29 grep_a='grep -a'
30 else
31 grep_a=grep ;# expected to fail...
33 rm -f check-grep
35 prepare_output () {
36 git diff --color >output
37 $grep_a "$blue_grep" output >error
38 $grep_a -v "$blue_grep" output >normal
39 return 0
42 test_expect_success default '
44 prepare_output &&
46 grep Eight normal >/dev/null &&
47 grep HT error >/dev/null &&
48 grep With error >/dev/null &&
49 grep Return error >/dev/null &&
50 grep No normal >/dev/null
54 test_expect_success 'default (attribute)' '
56 test_might_fail git config --unset core.whitespace &&
57 echo "F whitespace" >.gitattributes &&
58 prepare_output &&
60 grep Eight error >/dev/null &&
61 grep HT error >/dev/null &&
62 grep With error >/dev/null &&
63 grep Return error >/dev/null &&
64 grep No normal >/dev/null
68 test_expect_success 'default, tabwidth=10 (attribute)' '
70 git config core.whitespace "tabwidth=10" &&
71 echo "F whitespace" >.gitattributes &&
72 prepare_output &&
74 grep Eight normal >/dev/null &&
75 grep HT error >/dev/null &&
76 grep With error >/dev/null &&
77 grep Return error >/dev/null &&
78 grep No normal >/dev/null
82 test_expect_success 'no check (attribute)' '
84 test_might_fail git config --unset core.whitespace &&
85 echo "F -whitespace" >.gitattributes &&
86 prepare_output &&
88 grep Eight normal >/dev/null &&
89 grep HT normal >/dev/null &&
90 grep With normal >/dev/null &&
91 grep Return normal >/dev/null &&
92 grep No normal >/dev/null
96 test_expect_success 'no check, tabwidth=10 (attribute), must be irrelevant' '
98 git config core.whitespace "tabwidth=10" &&
99 echo "F -whitespace" >.gitattributes &&
100 prepare_output &&
102 grep Eight normal >/dev/null &&
103 grep HT normal >/dev/null &&
104 grep With normal >/dev/null &&
105 grep Return normal >/dev/null &&
106 grep No normal >/dev/null
110 test_expect_success 'without -trail' '
112 rm -f .gitattributes &&
113 git config core.whitespace -trail &&
114 prepare_output &&
116 grep Eight normal >/dev/null &&
117 grep HT error >/dev/null &&
118 grep With normal >/dev/null &&
119 grep Return normal >/dev/null &&
120 grep No normal >/dev/null
124 test_expect_success 'without -trail (attribute)' '
126 test_might_fail git config --unset core.whitespace &&
127 echo "F whitespace=-trail" >.gitattributes &&
128 prepare_output &&
130 grep Eight normal >/dev/null &&
131 grep HT error >/dev/null &&
132 grep With normal >/dev/null &&
133 grep Return normal >/dev/null &&
134 grep No normal >/dev/null
138 test_expect_success 'without -space' '
140 rm -f .gitattributes &&
141 git config core.whitespace -space &&
142 prepare_output &&
144 grep Eight normal >/dev/null &&
145 grep HT normal >/dev/null &&
146 grep With error >/dev/null &&
147 grep Return error >/dev/null &&
148 grep No normal >/dev/null
152 test_expect_success 'without -space (attribute)' '
154 test_might_fail git config --unset core.whitespace &&
155 echo "F whitespace=-space" >.gitattributes &&
156 prepare_output &&
158 grep Eight normal >/dev/null &&
159 grep HT normal >/dev/null &&
160 grep With error >/dev/null &&
161 grep Return error >/dev/null &&
162 grep No normal >/dev/null
166 test_expect_success 'with indent-non-tab only' '
168 rm -f .gitattributes &&
169 git config core.whitespace indent,-trailing,-space &&
170 prepare_output &&
172 grep Eight error >/dev/null &&
173 grep HT normal >/dev/null &&
174 grep With normal >/dev/null &&
175 grep Return normal >/dev/null &&
176 grep No normal >/dev/null
180 test_expect_success 'with indent-non-tab only (attribute)' '
182 test_might_fail git config --unset core.whitespace &&
183 echo "F whitespace=indent,-trailing,-space" >.gitattributes &&
184 prepare_output &&
186 grep Eight error >/dev/null &&
187 grep HT normal >/dev/null &&
188 grep With normal >/dev/null &&
189 grep Return normal >/dev/null &&
190 grep No normal >/dev/null
194 test_expect_success 'with indent-non-tab only, tabwidth=10' '
196 rm -f .gitattributes &&
197 git config core.whitespace indent,tabwidth=10,-trailing,-space &&
198 prepare_output &&
200 grep Eight normal >/dev/null &&
201 grep HT normal >/dev/null &&
202 grep With normal >/dev/null &&
203 grep Return normal >/dev/null &&
204 grep No normal >/dev/null
208 test_expect_success 'with indent-non-tab only, tabwidth=10 (attribute)' '
210 test_might_fail git config --unset core.whitespace &&
211 echo "F whitespace=indent,-trailing,-space,tabwidth=10" >.gitattributes &&
212 prepare_output &&
214 grep Eight normal >/dev/null &&
215 grep HT normal >/dev/null &&
216 grep With normal >/dev/null &&
217 grep Return normal >/dev/null &&
218 grep No normal >/dev/null
222 test_expect_success 'with cr-at-eol' '
224 rm -f .gitattributes &&
225 git config core.whitespace cr-at-eol &&
226 prepare_output &&
228 grep Eight normal >/dev/null &&
229 grep HT error >/dev/null &&
230 grep With error >/dev/null &&
231 grep Return normal >/dev/null &&
232 grep No normal >/dev/null
236 test_expect_success 'with cr-at-eol (attribute)' '
238 test_might_fail git config --unset core.whitespace &&
239 echo "F whitespace=trailing,cr-at-eol" >.gitattributes &&
240 prepare_output &&
242 grep Eight normal >/dev/null &&
243 grep HT error >/dev/null &&
244 grep With error >/dev/null &&
245 grep Return normal >/dev/null &&
246 grep No normal >/dev/null
250 test_expect_success 'trailing empty lines (1)' '
252 rm -f .gitattributes &&
253 test_must_fail git diff --check >output &&
254 grep "new blank line at" output &&
255 grep "trailing whitespace" output
259 test_expect_success 'trailing empty lines (2)' '
261 echo "F -whitespace" >.gitattributes &&
262 git diff --check >output &&
263 ! test -s output
267 test_expect_success 'checkdiff shows correct line number for trailing blank lines' '
269 printf "a\nb\n" > G &&
270 git add G &&
271 printf "x\nx\nx\na\nb\nc\n\n" > G &&
272 [ "$(git diff --check -- G)" = "G:7: new blank line at EOF." ]
276 test_expect_success 'do not color trailing cr in context' '
277 test_might_fail git config --unset core.whitespace &&
278 rm -f .gitattributes &&
279 echo AAAQ | tr Q "\015" >G &&
280 git add G &&
281 echo BBBQ | tr Q "\015" >>G &&
282 git diff --color G | tr "\015" Q >output &&
283 grep "BBB.*${blue_grep}Q" output &&
284 grep "AAA.*\[mQ" output
288 test_expect_success 'color new trailing blank lines' '
289 { echo a; echo b; echo; echo; } >x &&
290 git add x &&
291 { echo a; echo; echo; echo; echo c; echo; echo; echo; echo; } >x &&
292 git diff --color x >output &&
293 cnt=$($grep_a "${blue_grep}" output | wc -l) &&
294 test $cnt = 2
297 test_done