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#!perl
#
# Tests of basic, essential functionality
#
use strict;
use warnings;
use Test::More tests => 34;
use File::Temp;
my $tmpfile = File::Temp->new;
use_ok 'Text::Template' or exit 1;
$X::v = $Y::v = 0; # Suppress `var used only once'
my $template_1 = <<EOM;
We will put value of \$v (which is "abc") here -> {\$v}
We will evaluate 1+1 here -> {1 + 1}
EOM
# (1) Construct temporary template file for testing
# file operations
my $TEMPFILE = $tmpfile->filename;
eval {
open my $tmp, '>', $TEMPFILE
or die "Couldn't write tempfile $TEMPFILE: $!";
print $tmp $template_1;
close $tmp;
pass;
};
if ($@) {
fail $@;
}
# (2) Build template from file
my $template = Text::Template->new('type' => 'FILE', 'source' => $TEMPFILE);
ok(defined $template) or diag $Text::Template::ERROR;
# (3) Fill in template from file
$X::v = "abc";
my $resultX = <<EOM;
We will put value of \$v (which is "abc") here -> abc
We will evaluate 1+1 here -> 2
EOM
$Y::v = "ABC";
my $resultY = <<EOM;
We will put value of \$v (which is "abc") here -> ABC
We will evaluate 1+1 here -> 2
EOM
my $text = $template->fill_in('package' => 'X');
is $text, $resultX;
# (4) Fill in same template again
$text = $template->fill_in('package' => 'Y');
is $text, $resultY;
# (5) Simple test of `fill_this_in'
$text = Text::Template->fill_this_in($template_1, 'package' => 'X');
is $text, $resultX;
# (6) test creation of template from filehandle
open my $tmpl, '<', $TEMPFILE or die "failed to open $TEMPFILE: $!";
$template = Text::Template->new(type => 'FILEHANDLE', source => $tmpl);
ok defined $template or diag $Text::Template::ERROR;
# (7) test filling in of template from filehandle
$text = $template->fill_in('package' => 'X');
is $text, $resultX;
# (8) test second fill_in on same template object
$text = $template->fill_in('package' => 'Y');
is $text, $resultY;
close $tmpl;
# (9) test creation of template from array
$template = Text::Template->new(
type => 'ARRAY',
source => [
'We will put value of $v (which is "abc") here -> {$v}', "\n",
'We will evaluate 1+1 here -> {1+1}', "\n"
]
);
ok defined $template; # or diag $Text::Template::ERROR;
# (10) test filling in of template from array
$text = $template->fill_in('package' => 'X');
is $text, $resultX;
# (11) test second fill_in on same array template object
$text = $template->fill_in('package' => 'Y');
is $text, $resultY;
# (12) Make sure \ is working properly
# Test added for version 1.11
$tmpl = Text::Template->new(TYPE => 'STRING', SOURCE => 'B{"\\}"}C{"\\{"}D');
# This should fail if the \ are not interpreted properly.
$text = $tmpl->fill_in();
is $text, 'B}C{D';
# (13) Make sure \ is working properly
# Test added for version 1.11
$tmpl = Text::Template->new(TYPE => 'STRING', SOURCE => qq{A{"\t"}B});
# Symptom of old problem: ALL \ were special in templates, so
# The lexer would return (A, PROGTEXT("t"), B), and the
# result text would be AtB instead of A(tab)B.
$text = $tmpl->fill_in();
is $text, "A\tB";
# (14-27) Make sure \ is working properly
# Test added for version 1.11
# This is a sort of general test.
my @tests = (
'{""}' => '', # (14)
'{"}"}' => undef, # (15)
'{"\\}"}' => '}', # One backslash
'{"\\\\}"}' => undef, # Two backslashes
'{"\\\\\\}"}' => '}', # Three backslashes
'{"\\\\\\\\}"}' => undef, # Four backslashes
'{"\\\\\\\\\\}"}' => '\}', # Five backslashes (20)
'{"x20"}' => 'x20',
'{"\\x20"}' => ' ', # One backslash
'{"\\\\x20"}' => '\\x20', # Two backslashes
'{"\\\\\\x20"}' => '\\ ', # Three backslashes
'{"\\\\\\\\x20"}' => '\\\\x20', # Four backslashes (25)
'{"\\\\\\\\\\x20"}' => '\\\\ ', # Five backslashes
'{"\\x20\\}"}' => ' }', # (27)
);
while (my ($test, $result) = splice @tests, 0, 2) {
my $tmpl = Text::Template->new(TYPE => 'STRING', SOURCE => $test);
my $text = $tmpl->fill_in;
ok(!defined $text && !defined $result || $text eq $result)
or diag "expected .$result. got .$text.";
}
# (28-30) I discovered that you can't pass a glob ref as your filehandle.
# MJD 20010827
# (28) test creation of template from filehandle
$tmpl = undef;
ok(open $tmpl, '<', $TEMPFILE) or diag "Couldn't open $TEMPFILE: $!";
$template = Text::Template->new(type => 'FILEHANDLE', source => $tmpl);
ok(defined $template) or diag $Text::Template::ERROR;
# (29) test filling in of template from filehandle
$text = $template->fill_in('package' => 'X');
is $text, $resultX;
# (30) test second fill_in on same template object
$text = $template->fill_in('package' => 'Y');
is $text, $resultY;
close $tmpl;
# (31) Test _scrubpkg for leakiness
$Text::Template::GEN0::test = 1;
Text::Template::_scrubpkg('Text::Template::GEN0');
ok !($Text::Template::GEN0::test
|| exists $Text::Template::GEN0::{test}
|| exists $Text::Template::{'GEN0::'});
# that filename parameter works. we use BROKEN to verify this
$text = Text::Template->new(
TYPE => 'string',
SOURCE => 'Hello {1/0}'
)->fill_in(FILENAME => 'foo.txt');
like $text, qr/division by zero at foo\.txt line 1/;
|
