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|
use strict;
use warnings;
use Test::More 0.88;
BEGIN { use_ok('String::Truncate', qw(elide trunc)); }
my $brain = "this is your brain";
# len: 18 -- 123456789012345678
my %code = (
elide => \&elide,
trunc => \&trunc,
'S:T:e' => String::Truncate->can('elide'),
'S:T:t' => String::Truncate->can('trunc'),
);
while (my ($name, $code) = each %code) {
is(
$code->($brain, 50),
"this is your brain",
"don't $name short strings",
);
is(
$code->($brain, 18),
$brain,
"don't $name exact-length strings",
);
}
is(
elide($brain, 16),
"this is your ...",
"right-side elide example",
);
is(
trunc($brain, 16),
"this is your bra",
"right-side trunc example",
);
is(
elide($brain, 16, { truncate => 'left' }),
"...is your brain",
"left-side elide example",
);
is(
trunc($brain, 16, { truncate => 'left' }),
"is is your brain",
"left-side trunc example",
);
is(
elide($brain, 16, { truncate => 'middle' }),
"this is... brain",
"middle-side elide example",
);
is(
trunc($brain, 16, { truncate => 'middle' }),
"this is ur brain",
"middle-side trunc example",
);
is(
elide($brain, 16, { truncate => 'middle', marker => '..' }),
"this is..r brain",
"middle-side elide example with short marker",
);
is(
elide($brain, 15, { truncate => 'middle', marker => '..' }),
"this is.. brain",
"middle-side example with short marker and side-length mismatch",
);
eval { elide($brain, 2) };
like($@, qr/longer/, "can't truncate to less than marker");
eval { elide($brain, 20, { truncate => 'backside' }) };
like($@, qr/invalid/, "only left|right|middle are valid");
eval { trunc($brain, 16, { truncate => 'middle', marker => '..' }); };
like($@, qr/marker may not be passed/, "can't pass marker to trunc");
is(
elide($brain, 10, { marker => ' &c.' }),
"this i &c.",
"custom marker",
);
is(
elide("foobar", 6),
"foobar",
"we don't elide anything if length == maxlength",
);
is(
elide("!!", 2),
"!!",
"we don't care about marker length if marker isn't needed",
);
is(
elide("foobar", 5),
"fo...",
"keep-left elision of a very short string",
);
is(
# 12345678901234567890123456789012
trunc("This should break between words.", 14, { at_space => 1 }),
"This should",
"at_space lets us break betwen words (at right)",
);
{
my $s = 'a ' x 20 . "\n\n" . 'b ' x 20;
like(
elide($s, 50, { at_space => 1 }),
qr/b/,
"newlines don't break at_space",
);
}
is(
# 12345678901234567890123456789012
trunc("This should break between words.", 14, { at_space => 1 }),
"This should",
"at_space lets us break betwen words (at right)",
);
is(
# 21098765432109876543210987654321
trunc("This should break between words.", 14,
{ truncate => 'left', at_space => 1 }
),
"between words.",
"at_space lets us break betwen words (at left)",
);
is(
# 12345678901234567890123456789012
elide("This should break between words.", 14, { at_space => 1 }),
"This should...",
"at_space lets us break betwen words (elide, at right)",
);
is(
# 21098765432109876543210987654321
elide("This should break between words.", 14,
{ truncate => 'left', at_space => 1 }
),
"...words.",
"at_space lets us break betwen words (elide, at left)",
);
is(
# 12345678901234567890123456789012
elide("This should break between words.", 20,
{ truncate => 'middle', at_space => 1 }
),
"This...words.",
"at_space lets us break betwen words (elide, at middle)",
);
is(
# 123456789012345678901234567890123
elide("Thisisonereallylongstringnospace.", 20, { at_space => 1 }),
"Thisisonereallylo...",
"if it can't break at a word boundary, it breaks as late as possible",
);
done_testing;
|
