xref: /onnv-gate/usr/src/cmd/perl/5.8.4/distrib/lib/Term/Complete.t (revision 0:68f95e015346)
1#!./perl
2
3BEGIN {
4	chdir 't' if -d 't';
5	@INC = '../lib';
6}
7
8use warnings;
9use Test::More tests => 8;
10use vars qw( $Term::Complete::complete $complete $Term::Complete::stty );
11
12SKIP: {
13    skip('PERL_SKIP_TTY_TEST', 8) if $ENV{PERL_SKIP_TTY_TEST};
14
15    use_ok( 'Term::Complete' );
16
17    # this skips tests AND prevents the "used only once" warning
18    skip('No stty, Term::Complete will not run here', 7)
19	unless defined $Term::Complete::tty_raw_noecho &&
20	       defined $Term::Complete::tty_restore;
21
22    # also prevent Term::Complete from running stty and messing up the terminal
23    undef $Term::Complete::tty_restore;
24    undef $Term::Complete::tty_raw_noecho;
25    undef $Term::Complete::stty;
26
27    *complete = \$Term::Complete::complete;
28
29    my $in = tie *STDIN, 'FakeIn', "fro\t";
30    my $out = tie *STDOUT, 'FakeOut';
31    my @words = ( 'frobnitz', 'frobozz', 'frostychocolatemilkshakes' );
32
33    Complete('', \@words);
34    my $data = get_expected('fro', @words);
35
36    # there should be an \a after our word
37    like( $$out, qr/fro\a/, 'found bell character' );
38
39    # now remove the \a -- there should be only one
40    is( $out->scrub(), 1, '(single) bell removed');
41
42    # 'fro' should match all three words
43    like( $$out, qr/$data/, 'all three words possible' );
44    $out->clear();
45
46    # should only find 'frobnitz' and 'frobozz'
47    $in->add('frob');
48    Complete('', @words);
49    $out->scrub();
50    is( $$out, get_expected('frob', 'frobnitz', 'frobozz'), 'expected frob*' );
51    $out->clear();
52
53    # should only do 'frobozz'
54    $in->add('frobo');
55    Complete('', @words);
56    $out->scrub();
57    is( $$out, get_expected( 'frobo', 'frobozz' ), 'only frobozz possible' );
58    $out->clear();
59
60    # change the completion character
61    $complete = "!";
62    $in->add('frobn');
63    Complete('prompt:', @words);
64    $out->scrub();
65    like( $$out, qr/prompt:frobn/, 'prompt is okay' );
66
67    # now remove the prompt and we should be okay
68    $$out =~ s/prompt://g;
69    is( $$out, get_expected('frobn', 'frobnitz' ), 'works with new $complete' );
70
71} # end of SKIP, end of tests
72
73# easier than matching space characters
74sub get_expected {
75	my $word = shift;
76	return join('.', $word, @_, $word, '.');
77}
78
79package FakeIn;
80
81sub TIEHANDLE {
82	my ($class, $text) = @_;
83	$text .= "$main::complete\025";
84	bless(\$text, $class);
85}
86
87sub add {
88	my ($self, $text) = @_;
89	$$self = $text . "$main::complete\025";
90}
91
92sub GETC {
93	my $self = shift;
94	return length $$self ? substr($$self, 0, 1, '') : "\r";
95}
96
97package FakeOut;
98
99sub TIEHANDLE {
100	bless(\(my $text), $_[0]);
101}
102
103sub clear {
104	${ $_[0] } = '';
105}
106
107# remove the bell character
108sub scrub {
109	${ $_[0] } =~ tr/\a//d;
110}
111
112# must shift off self
113sub PRINT {
114	my $self = shift;
115	($$self .= join('', @_)) =~ s/\s+/./gm;
116}
117