remote-helpers: trivial cleanup
[alt-git.git] / t / t4034-diff-words.sh
blobf2f55fc51ccd294194300d4bbf66307ac73f9ac6
1 #!/bin/sh
3 test_description='word diff colors'
5 . ./test-lib.sh
6 . "$TEST_DIRECTORY"/diff-lib.sh
8 cat >pre.simple <<-\EOF
9 h(4)
11 a = b + c
12 EOF
13 cat >post.simple <<-\EOF
14 h(4),hh[44]
16 a = b + c
18 aa = a
20 aeff = aeff * ( aaa )
21 EOF
22 cat >expect.letter-runs-are-words <<-\EOF
23 <BOLD>diff --git a/pre b/post<RESET>
24 <BOLD>index 330b04f..5ed8eff 100644<RESET>
25 <BOLD>--- a/pre<RESET>
26 <BOLD>+++ b/post<RESET>
27 <CYAN>@@ -1,3 +1,7 @@<RESET>
28 h(4),<GREEN>hh<RESET>[44]
30 a = b + c<RESET>
32 <GREEN>aa = a<RESET>
34 <GREEN>aeff = aeff * ( aaa<RESET> )
35 EOF
36 cat >expect.non-whitespace-is-word <<-\EOF
37 <BOLD>diff --git a/pre b/post<RESET>
38 <BOLD>index 330b04f..5ed8eff 100644<RESET>
39 <BOLD>--- a/pre<RESET>
40 <BOLD>+++ b/post<RESET>
41 <CYAN>@@ -1,3 +1,7 @@<RESET>
42 h(4)<GREEN>,hh[44]<RESET>
44 a = b + c<RESET>
46 <GREEN>aa = a<RESET>
48 <GREEN>aeff = aeff * ( aaa )<RESET>
49 EOF
51 word_diff () {
52 test_must_fail git diff --no-index "$@" pre post >output &&
53 test_decode_color <output >output.decrypted &&
54 test_cmp expect output.decrypted
57 test_language_driver () {
58 lang=$1
59 test_expect_success "diff driver '$lang'" '
60 cp "$TEST_DIRECTORY/t4034/'"$lang"'/pre" \
61 "$TEST_DIRECTORY/t4034/'"$lang"'/post" \
62 "$TEST_DIRECTORY/t4034/'"$lang"'/expect" . &&
63 echo "* diff='"$lang"'" >.gitattributes &&
64 word_diff --color-words
68 test_expect_success setup '
69 git config diff.color.old red &&
70 git config diff.color.new green &&
71 git config diff.color.func magenta
74 test_expect_success 'set up pre and post with runs of whitespace' '
75 cp pre.simple pre &&
76 cp post.simple post
79 test_expect_success 'word diff with runs of whitespace' '
80 cat >expect <<-\EOF &&
81 <BOLD>diff --git a/pre b/post<RESET>
82 <BOLD>index 330b04f..5ed8eff 100644<RESET>
83 <BOLD>--- a/pre<RESET>
84 <BOLD>+++ b/post<RESET>
85 <CYAN>@@ -1,3 +1,7 @@<RESET>
86 <RED>h(4)<RESET><GREEN>h(4),hh[44]<RESET>
88 a = b + c<RESET>
90 <GREEN>aa = a<RESET>
92 <GREEN>aeff = aeff * ( aaa )<RESET>
93 EOF
94 word_diff --color-words &&
95 word_diff --word-diff=color &&
96 word_diff --color --word-diff=color
99 test_expect_success '--word-diff=porcelain' '
100 sed 's/#.*$//' >expect <<-\EOF &&
101 diff --git a/pre b/post
102 index 330b04f..5ed8eff 100644
103 --- a/pre
104 +++ b/post
105 @@ -1,3 +1,7 @@
106 -h(4)
107 +h(4),hh[44]
109 # significant space
111 a = b + c
114 +aa = a
117 +aeff = aeff * ( aaa )
120 word_diff --word-diff=porcelain
123 test_expect_success '--word-diff=plain' '
124 cat >expect <<-\EOF &&
125 diff --git a/pre b/post
126 index 330b04f..5ed8eff 100644
127 --- a/pre
128 +++ b/post
129 @@ -1,3 +1,7 @@
130 [-h(4)-]{+h(4),hh[44]+}
132 a = b + c
134 {+aa = a+}
136 {+aeff = aeff * ( aaa )+}
138 word_diff --word-diff=plain &&
139 word_diff --word-diff=plain --no-color
142 test_expect_success '--word-diff=plain --color' '
143 cat >expect <<-\EOF &&
144 <BOLD>diff --git a/pre b/post<RESET>
145 <BOLD>index 330b04f..5ed8eff 100644<RESET>
146 <BOLD>--- a/pre<RESET>
147 <BOLD>+++ b/post<RESET>
148 <CYAN>@@ -1,3 +1,7 @@<RESET>
149 <RED>[-h(4)-]<RESET><GREEN>{+h(4),hh[44]+}<RESET>
151 a = b + c<RESET>
153 <GREEN>{+aa = a+}<RESET>
155 <GREEN>{+aeff = aeff * ( aaa )+}<RESET>
157 word_diff --word-diff=plain --color
160 test_expect_success 'word diff without context' '
161 cat >expect <<-\EOF &&
162 <BOLD>diff --git a/pre b/post<RESET>
163 <BOLD>index 330b04f..5ed8eff 100644<RESET>
164 <BOLD>--- a/pre<RESET>
165 <BOLD>+++ b/post<RESET>
166 <CYAN>@@ -1 +1 @@<RESET>
167 <RED>h(4)<RESET><GREEN>h(4),hh[44]<RESET>
168 <CYAN>@@ -3,0 +4,4 @@<RESET> <RESET><MAGENTA>a = b + c<RESET>
170 <GREEN>aa = a<RESET>
172 <GREEN>aeff = aeff * ( aaa )<RESET>
174 word_diff --color-words --unified=0
177 test_expect_success 'word diff with a regular expression' '
178 cp expect.letter-runs-are-words expect &&
179 word_diff --color-words="[a-z]+"
182 test_expect_success 'set up a diff driver' '
183 git config diff.testdriver.wordRegex "[^[:space:]]" &&
184 cat <<-\EOF >.gitattributes
185 pre diff=testdriver
186 post diff=testdriver
190 test_expect_success 'option overrides .gitattributes' '
191 cp expect.letter-runs-are-words expect &&
192 word_diff --color-words="[a-z]+"
195 test_expect_success 'use regex supplied by driver' '
196 cp expect.non-whitespace-is-word expect &&
197 word_diff --color-words
200 test_expect_success 'set up diff.wordRegex option' '
201 git config diff.wordRegex "[[:alnum:]]+"
204 test_expect_success 'command-line overrides config' '
205 cp expect.letter-runs-are-words expect &&
206 word_diff --color-words="[a-z]+"
209 test_expect_success 'command-line overrides config: --word-diff-regex' '
210 cat >expect <<-\EOF &&
211 <BOLD>diff --git a/pre b/post<RESET>
212 <BOLD>index 330b04f..5ed8eff 100644<RESET>
213 <BOLD>--- a/pre<RESET>
214 <BOLD>+++ b/post<RESET>
215 <CYAN>@@ -1,3 +1,7 @@<RESET>
216 h(4),<GREEN>{+hh+}<RESET>[44]
218 a = b + c<RESET>
220 <GREEN>{+aa = a+}<RESET>
222 <GREEN>{+aeff = aeff * ( aaa+}<RESET> )
224 word_diff --color --word-diff-regex="[a-z]+"
227 test_expect_success '.gitattributes override config' '
228 cp expect.non-whitespace-is-word expect &&
229 word_diff --color-words
232 test_expect_success 'setup: remove diff driver regex' '
233 test_unconfig diff.testdriver.wordRegex
236 test_expect_success 'use configured regex' '
237 cat >expect <<-\EOF &&
238 <BOLD>diff --git a/pre b/post<RESET>
239 <BOLD>index 330b04f..5ed8eff 100644<RESET>
240 <BOLD>--- a/pre<RESET>
241 <BOLD>+++ b/post<RESET>
242 <CYAN>@@ -1,3 +1,7 @@<RESET>
243 h(4),<GREEN>hh[44<RESET>]
245 a = b + c<RESET>
247 <GREEN>aa = a<RESET>
249 <GREEN>aeff = aeff * ( aaa<RESET> )
251 word_diff --color-words
254 test_expect_success 'test parsing words for newline' '
255 echo "aaa (aaa)" >pre &&
256 echo "aaa (aaa) aaa" >post &&
257 cat >expect <<-\EOF &&
258 <BOLD>diff --git a/pre b/post<RESET>
259 <BOLD>index c29453b..be22f37 100644<RESET>
260 <BOLD>--- a/pre<RESET>
261 <BOLD>+++ b/post<RESET>
262 <CYAN>@@ -1 +1 @@<RESET>
263 aaa (aaa) <GREEN>aaa<RESET>
265 word_diff --color-words="a+"
268 test_expect_success 'test when words are only removed at the end' '
269 echo "(:" >pre &&
270 echo "(" >post &&
271 cat >expect <<-\EOF &&
272 <BOLD>diff --git a/pre b/post<RESET>
273 <BOLD>index 289cb9d..2d06f37 100644<RESET>
274 <BOLD>--- a/pre<RESET>
275 <BOLD>+++ b/post<RESET>
276 <CYAN>@@ -1 +1 @@<RESET>
277 (<RED>:<RESET>
279 word_diff --color-words=.
282 test_expect_success '--word-diff=none' '
283 echo "(:" >pre &&
284 echo "(" >post &&
285 cat >expect <<-\EOF &&
286 diff --git a/pre b/post
287 index 289cb9d..2d06f37 100644
288 --- a/pre
289 +++ b/post
290 @@ -1 +1 @@
294 word_diff --word-diff=plain --word-diff=none
297 test_expect_success 'unset default driver' '
298 test_unconfig diff.wordregex
301 test_language_driver ada
302 test_language_driver bibtex
303 test_language_driver cpp
304 test_language_driver csharp
305 test_language_driver fortran
306 test_language_driver html
307 test_language_driver java
308 test_language_driver matlab
309 test_language_driver objc
310 test_language_driver pascal
311 test_language_driver perl
312 test_language_driver php
313 test_language_driver python
314 test_language_driver ruby
315 test_language_driver tex
317 test_expect_success 'word-diff with diff.sbe' '
318 cat >expect <<-\EOF &&
319 diff --git a/pre b/post
320 index a1a53b5..bc8fe6d 100644
321 --- a/pre
322 +++ b/post
323 @@ -1,3 +1,3 @@
326 [-b-]{+c+}
328 cat >pre <<-\EOF &&
333 cat >post <<-\EOF &&
338 test_config diff.suppress-blank-empty true &&
339 word_diff --word-diff=plain
342 test_expect_success 'word-diff with no newline at EOF' '
343 cat >expect <<-\EOF &&
344 diff --git a/pre b/post
345 index 7bf316e..3dd0303 100644
346 --- a/pre
347 +++ b/post
348 @@ -1 +1 @@
349 a a [-a-]{+ab+} a a
351 printf "%s" "a a a a a" >pre &&
352 printf "%s" "a a ab a a" >post &&
353 word_diff --word-diff=plain
356 test_expect_success 'setup history with two files' '
357 echo "a b; c" >a.tex &&
358 echo "a b; c" >z.txt &&
359 git add a.tex z.txt &&
360 git commit -minitial &&
362 # modify both
363 echo "a bx; c" >a.tex &&
364 echo "a bx; c" >z.txt &&
365 git commit -mmodified -a
368 test_expect_success 'wordRegex for the first file does not apply to the second' '
369 echo "*.tex diff=tex" >.gitattributes &&
370 test_config diff.tex.wordRegex "[a-z]+|." &&
371 cat >expect <<-\EOF &&
372 diff --git a/a.tex b/a.tex
373 --- a/a.tex
374 +++ b/a.tex
375 @@ -1 +1 @@
376 a [-b-]{+bx+}; c
377 diff --git a/z.txt b/z.txt
378 --- a/z.txt
379 +++ b/z.txt
380 @@ -1 +1 @@
381 a [-b;-]{+bx;+} c
383 git diff --word-diff HEAD~ >actual &&
384 compare_diff_patch expect actual
387 test_done