summaryrefslogtreecommitdiff
path: root/t/t4124-apply-ws-rule.sh
blob: ca26397590f3d79455c41894203fbff7bb6a9c3c (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
#!/bin/sh
 
test_description='core.whitespace rules and git apply'
 
. ./test-lib.sh
 
prepare_test_file () {
 
	# A line that has character X is touched iff RULE is in effect:
	#       X  RULE
	#   	!  trailing-space
	#   	@  space-before-tab
	#   	#  indent-with-non-tab
	sed -e "s/_/ /g" -e "s/>/	/" <<-\EOF
		An_SP in an ordinary line>and a HT.
		>A HT.
		_>A SP and a HT (@).
		_>_A SP, a HT and a SP (@).
		_______Seven SP.
		________Eight SP (#).
		_______>Seven SP and a HT (@).
		________>Eight SP and a HT (@#).
		_______>_Seven SP, a HT and a SP (@).
		________>_Eight SP, a HT and a SP (@#).
		_______________Fifteen SP (#).
		_______________>Fifteen SP and a HT (@#).
		________________Sixteen SP (#).
		________________>Sixteen SP and a HT (@#).
		_____a__Five SP, a non WS, two SP.
		A line with a (!) trailing SP_
		A line with a (!) trailing HT>
	EOF
}
 
apply_patch () {
	>target &&
	sed -e "s|\([ab]\)/file|\1/target|" <patch |
	git apply "$@"
}
 
test_fix () {
 
	# fix should not barf
	apply_patch --whitespace=fix || return 1
 
	# find touched lines
	diff file target | sed -n -e "s/^> //p" >fixed
 
	# the changed lines are all expeced to change
	fixed_cnt=$(wc -l <fixed)
	case "$1" in
	'') expect_cnt=$fixed_cnt ;;
	?*) expect_cnt=$(grep "[$1]" <fixed | wc -l) ;;
	esac
	test $fixed_cnt -eq $expect_cnt || return 1
 
	# and we are not missing anything
	case "$1" in
	'') expect_cnt=0 ;;
	?*) expect_cnt=$(grep "[$1]" <file | wc -l) ;;
	esac
	test $fixed_cnt -eq $expect_cnt || return 1
 
	# Get the patch actually applied
	git diff-files -p target >fixed-patch
	test -s fixed-patch && return 0
 
	# Make sure it is complaint-free
	>target
	git apply --whitespace=error-all <fixed-patch
 
}
 
test_expect_success setup '
 
	>file &&
	git add file &&
	prepare_test_file >file &&
	git diff-files -p >patch &&
	>target &&
	git add target
 
'
 
test_expect_success 'whitespace=nowarn, default rule' '
 
	apply_patch --whitespace=nowarn &&
	diff file target
 
'
 
test_expect_success 'whitespace=warn, default rule' '
 
	apply_patch --whitespace=warn &&
	diff file target
 
'
 
test_expect_success 'whitespace=error-all, default rule' '
 
	apply_patch --whitespace=error-all && return 1
	test -s target && return 1
	: happy
 
'
 
test_expect_success 'whitespace=error-all, no rule' '
 
	git config core.whitespace -trailing,-space-before,-indent &&
	apply_patch --whitespace=error-all &&
	diff file target
 
'
 
test_expect_success 'whitespace=error-all, no rule (attribute)' '
 
	git config --unset core.whitespace &&
	echo "target -whitespace" >.gitattributes &&
	apply_patch --whitespace=error-all &&
	diff file target
 
'
 
for t in - ''
do
	case "$t" in '') tt='!' ;; *) tt= ;; esac
	for s in - ''
	do
		case "$s" in '') ts='@' ;; *) ts= ;; esac
		for i in - ''
		do
			case "$i" in '') ti='#' ;; *) ti= ;; esac
			rule=${t}trailing,${s}space,${i}indent
 
			rm -f .gitattributes
			test_expect_success "rule=$rule" '
				git config core.whitespace "$rule" &&
				test_fix "$tt$ts$ti"
			'
 
			test_expect_success "rule=$rule (attributes)" '
				git config --unset core.whitespace &&
				echo "target whitespace=$rule" >.gitattributes &&
				test_fix "$tt$ts$ti"
			'
 
		done
	done
done
 
create_patch () {
	sed -e "s/_/ /" <<-\EOF
		diff --git a/target b/target
		index e69de29..8bd6648 100644
		--- a/target
		+++ b/target
		@@ -0,0 +1,3 @@
		+An empty line follows
		+
		+A line with trailing whitespace and no newline_
		\ No newline at end of file
	EOF
}
 
test_expect_success 'trailing whitespace & no newline at the end of file' '
	>target &&
	create_patch >patch-file &&
	git apply --whitespace=fix patch-file &&
	grep "newline$" target &&
	grep "^$" target
'
 
test_expect_success 'blank at EOF with --whitespace=fix (1)' '
	: these can fail depending on what we did before
	git config --unset core.whitespace
	rm -f .gitattributes
 
	{ echo a; echo b; echo c; } >one &&
	git add one &&
	{ echo a; echo b; echo c; } >expect &&
	{ cat expect; echo; } >one &&
	git diff -- one >patch &&
 
	git checkout one &&
	git apply --whitespace=fix patch &&
	test_cmp expect one
'
 
test_expect_success 'blank at EOF with --whitespace=fix (2)' '
	{ echo a; echo b; echo c; } >one &&
	git add one &&
	{ echo a; echo c; } >expect &&
	{ cat expect; echo; echo; } >one &&
	git diff -- one >patch &&
 
	git checkout one &&
	git apply --whitespace=fix patch &&
	test_cmp expect one
'
 
test_expect_success 'blank at EOF with --whitespace=fix (3)' '
	{ echo a; echo b; echo; } >one &&
	git add one &&
	{ echo a; echo c; echo; } >expect &&
	{ cat expect; echo; echo; } >one &&
	git diff -- one >patch &&
 
	git checkout one &&
	git apply --whitespace=fix patch &&
	test_cmp expect one
'
 
test_expect_success 'blank at end of hunk, not at EOF with --whitespace=fix' '
	{ echo a; echo b; echo; echo; echo; echo; echo; echo d; } >one &&
	git add one &&
	{ echo a; echo c; echo; echo; echo; echo; echo; echo; echo d; } >expect &&
	cp expect one &&
	git diff -- one >patch &&
 
	git checkout one &&
	git apply --whitespace=fix patch &&
	test_cmp expect one
'
 
test_expect_success 'blank at EOF with --whitespace=warn' '
	{ echo a; echo b; echo c; } >one &&
	git add one &&
	echo >>one &&
	cat one >expect &&
	git diff -- one >patch &&
 
	git checkout one &&
	git apply --whitespace=warn patch 2>error &&
	test_cmp expect one &&
	grep "new blank line at EOF" error
'
 
test_expect_success 'blank at EOF with --whitespace=error' '
	{ echo a; echo b; echo c; } >one &&
	git add one &&
	cat one >expect &&
	echo >>one &&
	git diff -- one >patch &&
 
	git checkout one &&
	test_must_fail git apply --whitespace=error patch 2>error &&
	test_cmp expect one &&
	grep "new blank line at EOF" error
'
 
test_expect_success 'blank but not empty at EOF' '
	{ echo a; echo b; echo c; } >one &&
	git add one &&
	echo "   " >>one &&
	cat one >expect &&
	git diff -- one >patch &&
 
	git checkout one &&
	git apply --whitespace=warn patch 2>error &&
	test_cmp expect one &&
	grep "new blank line at EOF" error
'
 
test_done