aboutsummaryrefslogtreecommitdiff
path: root/t/t4061-diff-indent.sh
blob: 2affd7a100996f93839eec682e4d7381e3ac0b2a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
#!/bin/sh

test_description='Test diff indent heuristic.

'
. ./test-lib.sh
. "$TEST_DIRECTORY"/diff-lib.sh

# Compare two diff outputs. Ignore "index" lines, because we don't
# care about SHA-1s or file modes.
compare_diff () {
	sed -e "/^index /d" <"$1" >.tmp-1
	sed -e "/^index /d" <"$2" >.tmp-2
	test_cmp .tmp-1 .tmp-2 && rm -f .tmp-1 .tmp-2
}

# Compare blame output using the expectation for a diff as reference.
# Only look for the lines coming from non-boundary commits.
compare_blame () {
	sed -n -e "1,4d" -e "s/^\+//p" <"$1" >.tmp-1
	sed -ne "s/^[^^][^)]*) *//p" <"$2" >.tmp-2
	test_cmp .tmp-1 .tmp-2 && rm -f .tmp-1 .tmp-2
}

test_expect_success 'prepare' '
	cat <<-\EOF >spaces.txt &&
	1
	2
	a

	b
	3
	4
	EOF

	cat <<-\EOF >functions.c &&
	1
	2
	/* function */
	foo() {
	    foo
	}

	3
	4
	EOF

	git add spaces.txt functions.c &&
	test_tick &&
	git commit -m initial &&
	git branch old &&

	cat <<-\EOF >spaces.txt &&
	1
	2
	a

	b
	a

	b
	3
	4
	EOF

	cat <<-\EOF >functions.c &&
	1
	2
	/* function */
	bar() {
	    foo
	}

	/* function */
	foo() {
	    foo
	}

	3
	4
	EOF

	git add spaces.txt functions.c &&
	test_tick &&
	git commit -m initial &&
	git branch new &&

	tr "_" " " <<-\EOF >spaces-expect &&
	diff --git a/spaces.txt b/spaces.txt
	--- a/spaces.txt
	+++ b/spaces.txt
	@@ -3,5 +3,8 @@
	 a
	_
	 b
	+a
	+
	+b
	 3
	 4
	EOF

	tr "_" " " <<-\EOF >spaces-compacted-expect &&
	diff --git a/spaces.txt b/spaces.txt
	--- a/spaces.txt
	+++ b/spaces.txt
	@@ -2,6 +2,9 @@
	 2
	 a
	_
	+b
	+a
	+
	 b
	 3
	 4
	EOF

	tr "_" " " <<-\EOF >functions-expect &&
	diff --git a/functions.c b/functions.c
	--- a/functions.c
	+++ b/functions.c
	@@ -1,6 +1,11 @@
	 1
	 2
	 /* function */
	+bar() {
	+    foo
	+}
	+
	+/* function */
	 foo() {
	     foo
	 }
	EOF

	tr "_" " " <<-\EOF >functions-compacted-expect
	diff --git a/functions.c b/functions.c
	--- a/functions.c
	+++ b/functions.c
	@@ -1,5 +1,10 @@
	 1
	 2
	+/* function */
	+bar() {
	+    foo
	+}
	+
	 /* function */
	 foo() {
	     foo
	EOF
'

# --- diff tests ----------------------------------------------------------

test_expect_success 'diff: ugly spaces' '
	git diff --no-indent-heuristic old new -- spaces.txt >out &&
	compare_diff spaces-expect out
'

test_expect_success 'diff: --no-indent-heuristic overrides config' '
	git -c diff.indentHeuristic=true diff --no-indent-heuristic old new -- spaces.txt >out2 &&
	compare_diff spaces-expect out2
'

test_expect_success 'diff: nice spaces with --indent-heuristic' '
	git -c diff.indentHeuristic=false diff --indent-heuristic old new -- spaces.txt >out-compacted &&
	compare_diff spaces-compacted-expect out-compacted
'

test_expect_success 'diff: nice spaces with diff.indentHeuristic=true' '
	git -c diff.indentHeuristic=true diff old new -- spaces.txt >out-compacted2 &&
	compare_diff spaces-compacted-expect out-compacted2
'

test_expect_success 'diff: --indent-heuristic with --patience' '
	git diff --indent-heuristic --patience old new -- spaces.txt >out-compacted3 &&
	compare_diff spaces-compacted-expect out-compacted3
'

test_expect_success 'diff: --indent-heuristic with --histogram' '
	git diff --indent-heuristic --histogram old new -- spaces.txt >out-compacted4 &&
	compare_diff spaces-compacted-expect out-compacted4
'

test_expect_success 'diff: ugly functions' '
	git diff --no-indent-heuristic old new -- functions.c >out &&
	compare_diff functions-expect out
'

test_expect_success 'diff: nice functions with --indent-heuristic' '
	git diff --indent-heuristic old new -- functions.c >out-compacted &&
	compare_diff functions-compacted-expect out-compacted
'

# --- blame tests ---------------------------------------------------------

test_expect_success 'blame: nice spaces with --indent-heuristic' '
	git blame --indent-heuristic old..new -- spaces.txt >out-blame-compacted &&
	compare_blame spaces-compacted-expect out-blame-compacted
'

test_expect_success 'blame: nice spaces with diff.indentHeuristic=true' '
	git -c diff.indentHeuristic=true blame old..new -- spaces.txt >out-blame-compacted2 &&
	compare_blame spaces-compacted-expect out-blame-compacted2
'

test_expect_success 'blame: ugly spaces with --no-indent-heuristic' '
	git blame --no-indent-heuristic old..new -- spaces.txt >out-blame &&
	compare_blame spaces-expect out-blame
'

test_expect_success 'blame: ugly spaces with diff.indentHeuristic=false' '
	git -c diff.indentHeuristic=false blame old..new -- spaces.txt >out-blame2 &&
	compare_blame spaces-expect out-blame2
'

test_expect_success 'blame: --no-indent-heuristic overrides config' '
	git -c diff.indentHeuristic=true blame --no-indent-heuristic old..new -- spaces.txt >out-blame3 &&
	git blame old..new -- spaces.txt >out-blame &&
	compare_blame spaces-expect out-blame3
'

test_expect_success 'blame: --indent-heuristic overrides config' '
	git -c diff.indentHeuristic=false blame --indent-heuristic old..new -- spaces.txt >out-blame-compacted3 &&
	compare_blame spaces-compacted-expect out-blame-compacted2
'

# --- diff-tree tests -----------------------------------------------------

test_expect_success 'diff-tree: nice spaces with --indent-heuristic' '
	git diff-tree --indent-heuristic -p old new -- spaces.txt >out-diff-tree-compacted &&
	compare_diff spaces-compacted-expect out-diff-tree-compacted
'

test_expect_success 'diff-tree: nice spaces with diff.indentHeuristic=true' '
	git -c diff.indentHeuristic=true diff-tree -p old new -- spaces.txt >out-diff-tree-compacted2 &&
	compare_diff spaces-compacted-expect out-diff-tree-compacted2
'

test_expect_success 'diff-tree: ugly spaces with --no-indent-heuristic' '
	git diff-tree --no-indent-heuristic -p old new -- spaces.txt >out-diff-tree &&
	compare_diff spaces-expect out-diff-tree
'

test_expect_success 'diff-tree: ugly spaces with diff.indentHeuristic=false' '
	git -c diff.indentHeuristic=false diff-tree -p old new -- spaces.txt >out-diff-tree2 &&
	compare_diff spaces-expect out-diff-tree2
'

test_expect_success 'diff-tree: --indent-heuristic overrides config' '
	git -c diff.indentHeuristic=false diff-tree --indent-heuristic -p old new -- spaces.txt >out-diff-tree-compacted3 &&
	compare_diff spaces-compacted-expect out-diff-tree-compacted3
'

test_expect_success 'diff-tree: --no-indent-heuristic overrides config' '
	git -c diff.indentHeuristic=true diff-tree --no-indent-heuristic -p old new -- spaces.txt >out-diff-tree3 &&
	compare_diff spaces-expect out-diff-tree3
'

# --- diff-index tests ----------------------------------------------------

test_expect_success 'diff-index: nice spaces with --indent-heuristic' '
	git checkout -B diff-index &&
	git reset --soft HEAD~ &&
	git diff-index --indent-heuristic -p old -- spaces.txt >out-diff-index-compacted &&
	compare_diff spaces-compacted-expect out-diff-index-compacted &&
	git checkout -f master
'

test_expect_success 'diff-index: nice spaces with diff.indentHeuristic=true' '
	git checkout -B diff-index &&
	git reset --soft HEAD~ &&
	git -c diff.indentHeuristic=true diff-index -p old -- spaces.txt >out-diff-index-compacted2 &&
	compare_diff spaces-compacted-expect out-diff-index-compacted2 &&
	git checkout -f master
'

test_expect_success 'diff-index: ugly spaces with --no-indent-heuristic' '
	git checkout -B diff-index &&
	git reset --soft HEAD~ &&
	git diff-index --no-indent-heuristic -p old -- spaces.txt >out-diff-index &&
	compare_diff spaces-expect out-diff-index &&
	git checkout -f master
'

test_expect_success 'diff-index: ugly spaces with diff.indentHeuristic=false' '
	git checkout -B diff-index &&
	git reset --soft HEAD~ &&
	git -c diff.indentHeuristic=false diff-index -p old -- spaces.txt >out-diff-index2 &&
	compare_diff spaces-expect out-diff-index2 &&
	git checkout -f master
'

test_expect_success 'diff-index: --indent-heuristic overrides config' '
	git checkout -B diff-index &&
	git reset --soft HEAD~ &&
	git -c diff.indentHeuristic=false diff-index --indent-heuristic -p old -- spaces.txt >out-diff-index-compacted3 &&
	compare_diff spaces-compacted-expect out-diff-index-compacted3 &&
	git checkout -f master
'

test_expect_success 'diff-index: --no-indent-heuristic overrides config' '
	git checkout -B diff-index &&
	git reset --soft HEAD~ &&
	git -c diff.indentHeuristic=true diff-index --no-indent-heuristic -p old -- spaces.txt >out-diff-index3 &&
	compare_diff spaces-expect out-diff-index3 &&
	git checkout -f master
'

# --- diff-files tests ----------------------------------------------------

test_expect_success 'diff-files: nice spaces with --indent-heuristic' '
	git checkout -B diff-files &&
	git reset HEAD~ &&
	git diff-files --indent-heuristic -p spaces.txt >out-diff-files-raw &&
	grep -v index out-diff-files-raw >out-diff-files-compacted &&
	compare_diff spaces-compacted-expect out-diff-files-compacted &&
	git checkout -f master
'

test_expect_success 'diff-files: nice spaces with diff.indentHeuristic=true' '
	git checkout -B diff-files &&
	git reset HEAD~ &&
	git -c diff.indentHeuristic=true diff-files -p spaces.txt >out-diff-files-raw2 &&
	grep -v index out-diff-files-raw2 >out-diff-files-compacted2 &&
	compare_diff spaces-compacted-expect out-diff-files-compacted2 &&
	git checkout -f master
'

test_expect_success 'diff-files: ugly spaces with --no-indent-heuristic' '
	git checkout -B diff-files &&
	git reset HEAD~ &&
	git diff-files --no-indent-heuristic -p spaces.txt >out-diff-files-raw &&
	grep -v index out-diff-files-raw >out-diff-files &&
	compare_diff spaces-expect out-diff-files &&
	git checkout -f master
'

test_expect_success 'diff-files: ugly spaces with diff.indentHeuristic=false' '
	git checkout -B diff-files &&
	git reset HEAD~ &&
	git -c diff.indentHeuristic=false diff-files -p spaces.txt >out-diff-files-raw2 &&
	grep -v index out-diff-files-raw2 >out-diff-files &&
	compare_diff spaces-expect out-diff-files &&
	git checkout -f master
'

test_expect_success 'diff-files: --indent-heuristic overrides config' '
	git checkout -B diff-files &&
	git reset HEAD~ &&
	git -c diff.indentHeuristic=false diff-files --indent-heuristic -p spaces.txt >out-diff-files-raw3 &&
	grep -v index out-diff-files-raw3 >out-diff-files-compacted &&
	compare_diff spaces-compacted-expect out-diff-files-compacted &&
	git checkout -f master
'

test_expect_success 'diff-files: --no-indent-heuristic overrides config' '
	git checkout -B diff-files &&
	git reset HEAD~ &&
	git -c diff.indentHeuristic=true diff-files --no-indent-heuristic -p spaces.txt >out-diff-files-raw4 &&
	grep -v index out-diff-files-raw4 >out-diff-files &&
	compare_diff spaces-expect out-diff-files &&
	git checkout -f master
'

test_done