aboutsummaryrefslogtreecommitdiff
path: root/t/t4034-diff-words.sh
blob: 2e2e103b31332ea2f74de5d5e6e49c00b13dfa8a (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='word diff colors'

. ./test-lib.sh

test_expect_success setup '

	git config diff.color.old red
	git config diff.color.new green
	git config diff.color.func magenta

'

word_diff () {
	test_must_fail git diff --no-index "$@" pre post > output &&
	test_decode_color <output >output.decrypted &&
	test_cmp expect output.decrypted
}

cat > pre <<\EOF
h(4)

a = b + c
EOF

cat > post <<\EOF
h(4),hh[44]

a = b + c

aa = a

aeff = aeff * ( aaa )
EOF

cat > expect <<\EOF
<WHITE>diff --git a/pre b/post<RESET>
<WHITE>index 330b04f..5ed8eff 100644<RESET>
<WHITE>--- a/pre<RESET>
<WHITE>+++ b/post<RESET>
<CYAN>@@ -1,3 +1,7 @@<RESET>
<RED>h(4)<RESET><GREEN>h(4),hh[44]<RESET>

a = b + c<RESET>

<GREEN>aa = a<RESET>

<GREEN>aeff = aeff * ( aaa )<RESET>
EOF

test_expect_success 'word diff with runs of whitespace' '

	word_diff --color-words

'

cat > expect <<\EOF
<WHITE>diff --git a/pre b/post<RESET>
<WHITE>index 330b04f..5ed8eff 100644<RESET>
<WHITE>--- a/pre<RESET>
<WHITE>+++ b/post<RESET>
<CYAN>@@ -1 +1 @@<RESET>
<RED>h(4)<RESET><GREEN>h(4),hh[44]<RESET>
<CYAN>@@ -3,0 +4,4 @@<RESET> <RESET><MAGENTA>a = b + c<RESET>

<GREEN>aa = a<RESET>

<GREEN>aeff = aeff * ( aaa )<RESET>
EOF

test_expect_success 'word diff without context' '

	word_diff --color-words --unified=0

'

cat > expect <<\EOF
<WHITE>diff --git a/pre b/post<RESET>
<WHITE>index 330b04f..5ed8eff 100644<RESET>
<WHITE>--- a/pre<RESET>
<WHITE>+++ b/post<RESET>
<CYAN>@@ -1,3 +1,7 @@<RESET>
h(4),<GREEN>hh<RESET>[44]

a = b + c<RESET>

<GREEN>aa = a<RESET>

<GREEN>aeff = aeff * ( aaa<RESET> )
EOF
cp expect expect.letter-runs-are-words

test_expect_success 'word diff with a regular expression' '

	word_diff --color-words="[a-z]+"

'

test_expect_success 'set a diff driver' '
	git config diff.testdriver.wordRegex "[^[:space:]]" &&
	cat <<EOF > .gitattributes
pre diff=testdriver
post diff=testdriver
EOF
'

test_expect_success 'option overrides .gitattributes' '

	word_diff --color-words="[a-z]+"

'

cat > expect <<\EOF
<WHITE>diff --git a/pre b/post<RESET>
<WHITE>index 330b04f..5ed8eff 100644<RESET>
<WHITE>--- a/pre<RESET>
<WHITE>+++ b/post<RESET>
<CYAN>@@ -1,3 +1,7 @@<RESET>
h(4)<GREEN>,hh[44]<RESET>

a = b + c<RESET>

<GREEN>aa = a<RESET>

<GREEN>aeff = aeff * ( aaa )<RESET>
EOF
cp expect expect.non-whitespace-is-word

test_expect_success 'use regex supplied by driver' '

	word_diff --color-words

'

test_expect_success 'set diff.wordRegex option' '
	git config diff.wordRegex "[[:alnum:]]+"
'

cp expect.letter-runs-are-words expect

test_expect_success 'command-line overrides config' '
	word_diff --color-words="[a-z]+"
'

cp expect.non-whitespace-is-word expect

test_expect_success '.gitattributes override config' '
	word_diff --color-words
'

test_expect_success 'remove diff driver regex' '
	git config --unset diff.testdriver.wordRegex
'

cat > expect <<\EOF
<WHITE>diff --git a/pre b/post<RESET>
<WHITE>index 330b04f..5ed8eff 100644<RESET>
<WHITE>--- a/pre<RESET>
<WHITE>+++ b/post<RESET>
<CYAN>@@ -1,3 +1,7 @@<RESET>
h(4),<GREEN>hh[44<RESET>]

a = b + c<RESET>

<GREEN>aa = a<RESET>

<GREEN>aeff = aeff * ( aaa<RESET> )
EOF

test_expect_success 'use configured regex' '
	word_diff --color-words
'

echo 'aaa (aaa)' > pre
echo 'aaa (aaa) aaa' > post

cat > expect <<\EOF
<WHITE>diff --git a/pre b/post<RESET>
<WHITE>index c29453b..be22f37 100644<RESET>
<WHITE>--- a/pre<RESET>
<WHITE>+++ b/post<RESET>
<CYAN>@@ -1 +1 @@<RESET>
aaa (aaa) <GREEN>aaa<RESET>
EOF

test_expect_success 'test parsing words for newline' '

	word_diff --color-words="a+"


'

echo '(:' > pre
echo '(' > post

cat > expect <<\EOF
<WHITE>diff --git a/pre b/post<RESET>
<WHITE>index 289cb9d..2d06f37 100644<RESET>
<WHITE>--- a/pre<RESET>
<WHITE>+++ b/post<RESET>
<CYAN>@@ -1 +1 @@<RESET>
(<RED>:<RESET>
EOF

test_expect_success 'test when words are only removed at the end' '

	word_diff --color-words=.

'

test_done