1#!/bin/bash
2
3[ -f testing.sh ] && . testing.sh
4
5# Copyright 2013 by Kyungsu Kim <kaspyx@gmail.com>
6# Copyright 2013 by Kyungwan Han <asura321@gmail.com>
7
8#testing "name" "command" "result" "infile" "stdin"
9
10testing "-c" "grep -c 123 input" "3\n" "123\ncount 123\n123\nfasdfasdf" ""
11
12echo -e "this is test" > foo
13echo -e "this is test2" > foo2
14echo -e "this is foo3" > foo3
15testing "-l" "grep -l test foo foo2 foo3" "foo\nfoo2\n" "" ""
16rm foo foo2 foo3
17
18testing "-q" "grep -q test input && echo yes" "yes\n" "this is a test\n" ""
19testing "-E" "grep -E '[0-9]' input" "1234123asdfas123123\n1\n" \
20  "1234123asdfas123123\nabc\n1\nabcde" ""
21testing "-e" "grep -e '[0-9]' input" "1234123asdfas123123\n1\n" \
22  "1234123asdfas123123\nabc\n1\nabcde" ""
23testing "-e -e" "grep -e one -e two -e three input" \
24  "two\ntwo\nthree\none\n" "two\ntwo\nthree\nand\none\n" ""
25testing "-F" "grep -F is input" "this is test\nthis is test2\n" \
26  "this is test\nthis is test2\ntest case" ""
27
28echo -e "this is test\nthis is test2\ntest case" > foo
29echo -e "hello this is test" > foo2
30echo -e "hi hello" > foo3
31testing "-H" "grep -H is foo foo2 foo3" "foo:this is test\nfoo:this is test2\nfoo2:hello this is test\n" "" ""
32rm foo foo2 foo3
33
34testing "-b" "grep -b is input" "0:this is test\n13:this is test2\n" \
35  "this is test\nthis is test2\ntest case" ""
36testing "-i" "grep -i is input" "thisIs test\nthis is test2\n" \
37  "thisIs test\nthis is test2\ntest case" ""
38testing "-n" "grep -n is input" "1:this is test\n2:this is test2\n" \
39  "this is test\nthis is test2\ntest case" ""
40testing "-o" "grep -o is input" "is\nis\nis\nis\n" \
41  "this is test\nthis is test2\ntest case" ""
42testing "-s" "grep -hs hello asdf input 2>&1" "hello\n" "hello\n" ""
43testing "-v" "grep -v abc input" "1234123asdfas123123\n1ABa\n" \
44  "1234123asdfas123123\n1ABabc\nabc\n1ABa\nabcde" ""
45testing "-w" "grep -w abc input" "abc\n123 abc\nabc 123\n123 abc 456\n" \
46  "1234123asdfas123123\n1ABabc\nabc\n1ABa\nabcde\n123 abc\nabc 123\n123 abc 456\n" ""
47testing "-x" "grep -x abc input" "abc\n" \
48  "aabcc\nabc\n" ""
49
50testing "-H (standard input)" "grep -H abc" "(standard input):abc\n" \
51  "" "abc\n"
52testing "-l (standard input)" "grep -l abc" "(standard input)\n" \
53  "" "abc\n"
54testing "-n two inputs" "grep -hn def - input" "2:def\n2:def\n" \
55  "abc\ndef\n" "abc\ndef\n"
56
57testing "pattern with newline" "grep 'abc
58def' input" "aabcc\nddeff\n" \
59  "aaaa\naabcc\n\dddd\nddeff\nffff\n" ""
60
61testing "-lH" "grep -lH abc input" "input\n" "abc\n" ""
62testing "-cn" "grep -cn abc input" "1\n" "abc\n" ""
63testing "-cH" "grep -cH abc input" "input:1\n" "abc\n" ""
64testing "-qs" "grep -qs abc none input && echo yes" "yes\n" "abc\n" ""
65testing "-hl" "grep -hl abc input" "input\n" "abc\n" ""
66testing "-b stdin" "grep -b one" "0:one\n4:one\n8:one\n" "" "one\none\none\n"
67testing "-o overlap" "grep -bo aaa" "1:aaa\n" "" "baaaa\n"
68# nonobvious: -co counts lines, not matches
69testing "-co" "grep -co one input" "1\n" "one one one\n" ""
70testing "-nom" "grep -nom 2 one" "1:one\n1:one\n1:one\n2:one\n2:one\n" \
71  "" "one one one\none one\none"
72testing "-vo" "grep -vo one input" "two\nthree\n" "onetwoonethreeone\n" ""
73testing "no newline" "grep -h one input -" \
74  "hello one\nthere one\n" "hello one" "there one"
75
76testing "-e multi" "grep -e one -ethree input" \
77  "three\none\n" "three\ntwo\none\n" ""
78# Suppress filenames for recursive test because dunno order they'd occur in
79mkdir sub
80echo -e "one\ntwo\nthree" > sub/one
81echo -e "three\ntwo\none" > sub/two
82testing "-hr" "grep -hr one sub" "one\none\n" "" ""
83testing "-r file" "grep -r three sub/two" "three\n" "" ""
84testing "-r dir" "grep -r one sub | sort" "sub/one:one\nsub/two:one\n" \
85  "" ""
86rm -rf sub
87
88# -x exact match trumps -F's "empty string matches whole line" behavior
89testing "-Fx ''" "grep -Fx '' input" "" "one one one\n" ""
90testing "-F ''" "grep -F '' input" "one one one\n" "one one one\n" ""
91testing "-F -e blah -e ''" "grep -F -e blah -e '' input" "one one one\n" \
92  "one one one\n" ""
93testing "-e blah -e ''" "grep -e blah -e '' input" "one one one\n" \
94  "one one one\n" ""
95testing "-w ''" "grep -w '' input" "" "one one one\n" ""
96testing "-w '' 2" "grep -w '' input" "one  two\n" "one  two\n" ""
97testing "-w \\1" "grep -wo '\\(x\\)\\1'" "xx\n" "" "xx"
98testing "-o ''" "grep -o '' input" "" "one one one\n" ""
99testing "backref" 'grep -e "a\(b\)" -e "b\(c\)\1"' "bcc\nab\n" \
100  "" "bcc\nbcb\nab\n"
101
102testing "-A" "grep -A 2 yes" "yes\nno\nno\n--\nyes\nno\nno\nyes\nno\n" \
103  "" "yes\nno\nno\nno\nyes\nno\nno\nyes\nno"
104testing "-B" "grep -B 1 yes" "no\nyes\n--\nno\nyes\nno\nyes\n" \
105  "" "no\nno\nno\nyes\nno\nno\nyes\nno\nyes"
106testing "-C" "grep -C 1 yes" \
107  "yes\nno\n--\nno\nyes\nno\nno\nyes\nno\nyes\nno\n" \
108  "" "yes\nno\nno\nno\nyes\nno\nno\nyes\nno\nyes\nno\nno"
109testing "-HnC" "grep -HnC1 two" \
110  "(standard input)-1-one\n(standard input):2:two\n(standard input)-3-three\n" \
111  "" "one\ntwo\nthree"
112
113# Context lines weren't showing -b
114testing "-HnbB1" "grep -HnbB1 f input" \
115  "input-3-8-three\ninput:4:14:four\ninput:5:19:five\n" \
116  "one\ntwo\nthree\nfour\nfive\n" ""
117
118testing "-q match overrides error" \
119  "grep -q hello missing input 2>/dev/null && echo yes" "yes\n" "hello\n" ""
120testing "-q not found is 1" \
121  'grep -q hello input || echo $?' "1\n" "" ""
122testing "-q missing is 2" \
123  'grep -q hello missing missing 2>/dev/null || echo $?' "2\n" "" ""
124testing "-q missing survives exists but not found" \
125  'grep -q hello missing missing input 2>/dev/null || echo $?' "2\n" "" ""
126testing "not found retained past match" \
127  'grep hello missing input 2>/dev/null || echo $?' \
128  "input:hello\n2\n" "hello\n" ""
129touch empty
130testing "one match good enough for 0" \
131  'grep hello input empty && echo $?' 'input:hello\n0\n' 'hello\n' ''
132rm empty
133
134testing "-o ''" "grep -o ''" "" "" "one two three\none two\none\n"
135testing '' "grep -o -e '' -e two" "two\ntwo\n" "" \
136  "one two three\none two\none\n"
137
138echo "one\ntwo\nthree" > test
139testing "-l trumps -C" "grep -l -C1 two test input" "test\ninput\n" \
140  "three\ntwo\none\n" ""
141rm test
142
143# match after NUL byte
144testing "match after NUL byte" "grep -a two" "one\0and two three\n" \
145  "" 'one\0and two three'
146