summaryrefslogtreecommitdiff
path: root/t/t4124-apply-ws-rule.sh
blob: f83322e513b96bb90e71ce39340515c6be0db186 (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
#!/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

test_done