aboutsummaryrefslogtreecommitdiff
path: root/t/t4019-diff-wserror.sh
blob: 3fa836f9d3c19f351ce5451049eb191776cbd4a5 (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
#!/bin/sh

test_description='diff whitespace error detection'

. ./test-lib.sh

test_expect_success setup '

	git config diff.color.whitespace "blue reverse" &&
	>F &&
	git add F &&
	echo "         Eight SP indent" >>F &&
	echo " 	HT and SP indent" >>F &&
	echo "With trailing SP " >>F &&
	echo "Carriage ReturnQ" | tr Q "\015" >>F &&
	echo "No problem" >>F &&
	echo >>F

'

blue_grep='7;34m' ;# ESC [ 7 ; 3 4 m

printf "\033[%s" "$blue_grep" >check-grep
if (grep "$blue_grep" <check-grep | grep "$blue_grep") >/dev/null 2>&1
then
	grep_a=grep
elif (grep -a "$blue_grep" <check-grep | grep -a "$blue_grep") >/dev/null 2>&1
then
	grep_a='grep -a'
else
	grep_a=grep ;# expected to fail...
fi
rm -f check-grep

prepare_output () {
	git diff --color >output
	$grep_a "$blue_grep" output >error
	$grep_a -v "$blue_grep" output >normal
	return 0
}

test_expect_success default '

	prepare_output &&

	grep Eight normal >/dev/null &&
	grep HT error >/dev/null &&
	grep With error >/dev/null &&
	grep Return error >/dev/null &&
	grep No normal >/dev/null

'

test_expect_success 'without -trail' '

	git config core.whitespace -trail &&
	prepare_output &&

	grep Eight normal >/dev/null &&
	grep HT error >/dev/null &&
	grep With normal >/dev/null &&
	grep Return normal >/dev/null &&
	grep No normal >/dev/null

'

test_expect_success 'without -trail (attribute)' '

	test_might_fail git config --unset core.whitespace &&
	echo "F whitespace=-trail" >.gitattributes &&
	prepare_output &&

	grep Eight normal >/dev/null &&
	grep HT error >/dev/null &&
	grep With normal >/dev/null &&
	grep Return normal >/dev/null &&
	grep No normal >/dev/null

'

test_expect_success 'without -space' '

	rm -f .gitattributes &&
	git config core.whitespace -space &&
	prepare_output &&

	grep Eight normal >/dev/null &&
	grep HT normal >/dev/null &&
	grep With error >/dev/null &&
	grep Return error >/dev/null &&
	grep No normal >/dev/null

'

test_expect_success 'without -space (attribute)' '

	test_might_fail git config --unset core.whitespace &&
	echo "F whitespace=-space" >.gitattributes &&
	prepare_output &&

	grep Eight normal >/dev/null &&
	grep HT normal >/dev/null &&
	grep With error >/dev/null &&
	grep Return error >/dev/null &&
	grep No normal >/dev/null

'

test_expect_success 'with indent-non-tab only' '

	rm -f .gitattributes &&
	git config core.whitespace indent,-trailing,-space &&
	prepare_output &&

	grep Eight error >/dev/null &&
	grep HT normal >/dev/null &&
	grep With normal >/dev/null &&
	grep Return normal >/dev/null &&
	grep No normal >/dev/null

'

test_expect_success 'with indent-non-tab only (attribute)' '

	test_might_fail git config --unset core.whitespace &&
	echo "F whitespace=indent,-trailing,-space" >.gitattributes &&
	prepare_output &&

	grep Eight error >/dev/null &&
	grep HT normal >/dev/null &&
	grep With normal >/dev/null &&
	grep Return normal >/dev/null &&
	grep No normal >/dev/null

'

test_expect_success 'with cr-at-eol' '

	rm -f .gitattributes &&
	git config core.whitespace cr-at-eol &&
	prepare_output &&

	grep Eight normal >/dev/null &&
	grep HT error >/dev/null &&
	grep With error >/dev/null &&
	grep Return normal >/dev/null &&
	grep No normal >/dev/null

'

test_expect_success 'with cr-at-eol (attribute)' '

	test_might_fail git config --unset core.whitespace &&
	echo "F whitespace=trailing,cr-at-eol" >.gitattributes &&
	prepare_output &&

	grep Eight normal >/dev/null &&
	grep HT error >/dev/null &&
	grep With error >/dev/null &&
	grep Return normal >/dev/null &&
	grep No normal >/dev/null

'

test_expect_success 'trailing empty lines (1)' '

	rm -f .gitattributes &&
	test_must_fail git diff --check >output &&
	grep "new blank line at" output &&
	grep "trailing whitespace" output

'

test_expect_success 'trailing empty lines (2)' '

	echo "F -whitespace" >.gitattributes &&
	git diff --check >output &&
	! test -s output

'

test_expect_success 'checkdiff shows correct line number for trailing blank lines' '

	printf "a\nb\n" > G &&
	git add G &&
	printf "x\nx\nx\na\nb\nc\n\n" > G &&
	[ "$(git diff --check -- G)" = "G:7: new blank line at EOF." ]

'

test_expect_success 'do not color trailing cr in context' '
	test_might_fail git config --unset core.whitespace &&
	rm -f .gitattributes &&
	echo AAAQ | tr Q "\015" >G &&
	git add G &&
	echo BBBQ | tr Q "\015" >>G &&
	git diff --color G | tr "\015" Q >output &&
	grep "BBB.*${blue_grep}Q" output &&
	grep "AAA.*\[mQ" output

'

test_expect_success 'color new trailing blank lines' '
	{ echo a; echo b; echo; echo; } >x &&
	git add x &&
	{ echo a; echo; echo; echo; echo c; echo; echo; echo; echo; } >x &&
	git diff --color x >output &&
	cnt=$($grep_a "${blue_grep}" output | wc -l) &&
	test $cnt = 2
'

test_done