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
|
#!/usr/bin/perl -w
# $Id$
use strict;
use Test::More tests => 17;
use Term::ANSIColor qw(:constants);
use File::Spec::Functions qw(catfile);
use IO::File;
use lib qw( /Users/gwg/Text-WordDiff-0.05/lib );
# BEGIN {
use_ok 'Text::WordDiff' or die;
use_ok 'Text::WordDiff::HTMLTwoLines' or die;
# }
my $string1 = 'This is a test';
my $string2 = 'That was a test';
my $term_diff = '<div class="file"><span class="hunk"><del>This is </del></span><span class="hunk">a test</span></div>' . "\n" . '<div class="file"><span class="hunk"><ins>That was </ins></span><span class="hunk">a test</span></div>' . "\n";
my %opts = (
STYLE => 'HTMLTwoLines',
);
# Test scalar refs.
is word_diff(\$string1, \$string2, \%opts), $term_diff,
'Should HTML diff';
# Try code refs.
is word_diff( sub { \$string1 }, sub { \$string2 } , \%opts ), $term_diff,
'Should get same result for code refs';
# Try array refs.
my $BEGIN_WORD = qr/(?<!\w)(?=\w)/msx;
my @string1 = split $BEGIN_WORD, $string1;
my @string2 = split $BEGIN_WORD, $string2;
is word_diff( \@string1, \@string2, \%opts ), $term_diff,
'Should get same result for array refs';
# Mix and match.
is word_diff( \$string1, \@string2, \%opts ), $term_diff,
'Should get same result for a scalar ref and an array ref';
# Try file names.
my $filename1 = catfile qw(t data left.txt);
my $filename2 = catfile qw(t data right.txt);
my $time1 = localtime( (stat $filename1)[9] );
my $time2 = localtime( (stat $filename2)[9] );
my $header1 = qq{<span class="fileheader">--- $filename1 $time1</span>};
my $header2 = qq{<span class="fileheader">+++ $filename2 $time2</span>};
my $file_diff = qq{<div class="file">$header1}
. qq{<span class="hunk">This is a </span><span class="hunk"><del>tst;</del></span>}
. qq{<span class="hunk">\n</span>}
. qq{<span class="hunk"><del>it </del></span><span class="hunk">is only a\n}
. qq{test. Had </span><span class="hunk"><del>it </del></span><span class="hunk">been an\n}
. qq{actual diff, the results would\n}
. qq{have been output to </span><span class="hunk"><del>HTML</del></span>}
. qq{<span class="hunk">.\n\nSome string with </span>}
. qq{<span class="hunk"><del>funny \$</del></span>}
. qq{<span class="hunk">\nchars in the end</span>}
. qq{<span class="hunk"><del>*</del></span><span class="hunk">\n</span></div>\n}
. qq{<div class="file">$header2}
. qq{<span class="hunk">This is a </span><span class="hunk"><ins>test.</ins></span>}
. qq{<span class="hunk">\n</span>}
. qq{<span class="hunk"><ins>It </ins></span><span class="hunk">is only a\n}
. qq{test. Had </span><span class="hunk"><ins>this </ins></span><span class="hunk">been an\n}
. qq{actual diff, the results would\n}
. qq{have been output to </span><span class="hunk"><ins>the terminal</ins></span>}
. qq{<span class="hunk">.\n\nSome string with </span>}
. qq{<span class="hunk"><ins>funny \@</ins></span>}
. qq{<span class="hunk">\nchars in the end</span>}
. qq{<span class="hunk"><ins>?</ins></span><span class="hunk">\n</span></div>\n};
is word_diff($filename1, $filename2, \%opts), $file_diff,
'Diff by file name should include a header';
# No more header after this.
$file_diff =~ s/\Q$header1\E//;
$file_diff =~ s/\Q$header2\E//;
# Try globs.
local (*FILE1, *FILE2);
open *FILE1, "<$filename1" or die qq{Cannot open "$filename1": $!};
open *FILE2, "<$filename2" or die qq{Cannot open "$filename2": $!};
is word_diff(\*FILE1, \*FILE2, \%opts), $file_diff,
'Diff by glob file handles should work';
close *FILE1;
close *FILE2;
# Try file handles.
my $fh1 = IO::File->new($filename1, '<')
or die qq{Cannot open "$filename1": $!};
my $fh2 = IO::File->new($filename2, '<')
or die qq{Cannot open "$filename2": $!};
is word_diff($fh1, $fh2, \%opts), $file_diff,
'Diff by IO::File objects should work';
$fh1->close;
$fh2->close;
# Try a code refence output handler.
my $output = '';
$opts{OUTPUT} = sub { $output .= shift };
is word_diff(\$string1, \$string2, \%opts ), 2,
'Should get a count of 2 hunks with code ref output';
is $output, $term_diff, 'The code ref should have been called';
# Try a scalar ref output handler.
$output = '';
$opts{OUTPUT} = \$output;
is word_diff(\$string1, \$string2, \%opts), 2,
'Should get a count of 2 hunks with scalar ref output';
is $output, $term_diff, 'The scalar ref should have been appended to';
# Try an array ref output handler.
my $hunks = [];
$opts{OUTPUT} = $hunks;
is word_diff(\$string1, \$string2, \%opts), 2,
'Should get a count of 2 hunks with array ref output';
is join('', @$hunks), $term_diff,
'The array ref should have been appended to';
# Try a file handle output handler.
my $fh = IO::File->new_tmpfile;
SKIP: {
skip 'Cannot create temp filehandle', 2 unless $fh;
$opts{OUTPUT} = $fh;
is word_diff(\$string1, \$string2, \%opts), 2,
'Should get a count of 2 hunks with file handle output';
$fh->seek(0, 0);
is do { local $/; <$fh>; }, $term_diff,
'The file handle should have been written to';
}
|
