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#============================================================= -*-perl-*-
# t/object.t
#
# Template script testing code bindings to objects.
#
# Written by Andy Wardley <abw@wardley.org>
#
# Copyright (C) 1996-2000 Andy Wardley. All Rights Reserved.
# Copyright (C) 1998-2000 Canon Research Centre Europe Ltd.
#
# This is free software; you can redistribute it and/or modify it
# under the same terms as Perl itself.
#
# $Id$
#
#========================================================================
use strict;
use lib qw( ./lib ../lib );
use Template::Exception;
use Template::Test;
$^W = 1;
$Template::Test::DEBUG = 0;
#------------------------------------------------------------------------
# definition of test object class
#------------------------------------------------------------------------
package T1;
sub new {
my $class = shift;
bless { @_ }, $class;
}
sub die {
die "barfed up\n";
}
package TestObject;
use vars qw( $AUTOLOAD );
sub new {
my ($class, $params) = @_;
$params ||= {};
bless {
PARAMS => $params,
DAYS => [ qw( Monday Tuesday Wednesday Thursday
Friday Saturday Sunday ) ],
DAY => 0,
'public' => 314,
'.private' => 425,
'_hidden' => 537,
}, $class;
}
sub yesterday {
my $self = shift;
return "Love was such an easy game to play...";
}
sub today {
my $self = shift;
return "Live for today and die for tomorrow.";
}
sub tomorrow {
my ($self, $dayno) = @_;
$dayno = $self->{ DAY }++
unless defined $dayno;
$dayno %= 7;
return $self->{ DAYS }->[$dayno];
}
sub belief {
my $self = shift;
my $b = join(' and ', @_);
$b = '<nothing>' unless length $b;
return "Oh I believe in $b.";
}
sub concat {
my $self = shift;
local $" = ', ';
$self->{ PARAMS }->{ args } = "ARGS: @_";
}
sub _private {
my $self = shift;
die "illegal call to private method _private()\n";
}
sub AUTOLOAD {
my ($self, @params) = @_;
my $name = $AUTOLOAD;
$name =~ s/.*:://;
return if $name eq 'DESTROY';
my $value = $self->{ PARAMS }->{ $name };
if (ref($value) eq 'CODE') {
return &$value(@params);
}
elsif (@params) {
return $self->{ PARAMS }->{ $name } = shift @params;
}
else {
return $value;
}
}
#------------------------------------------------------------------------
# another object for testing auto-stringification
#------------------------------------------------------------------------
package Stringy;
use overload '""' => 'stringify', fallback => 1;
sub new {
my ($class, $text) = @_;
bless \$text, $class;
}
sub stringify {
my $self = shift;
return "stringified '$$self'";
}
#------------------------------------------------------------------------
# Another object for tracking down a bug with DBIx::Class where TT is
# causing the numification operator to be called. Matt S Trout suggests
# we've got a truth test somewhere that should be a defined but that
# doesn't appear to be the case...
# http://rt.cpan.org/Ticket/Display.html?id=23763
#------------------------------------------------------------------------
package Numbersome;
use overload
'""' => 'stringify',
'0+' => 'numify',
fallback => 1;
sub new {
my ($class, $text) = @_;
bless \$text, $class;
}
sub numify {
my $self = shift;
return "FAIL: numified $$self";
}
sub stringify {
my $self = shift;
return "PASS: stringified $$self";
}
sub things {
return [qw( foo bar baz )];
}
package GetNumbersome;
sub new {
my ($class, $text) = @_;
bless { }, $class;
}
sub num {
Numbersome->new("from GetNumbersome");
}
#------------------------------------------------------------------------
# main
#------------------------------------------------------------------------
package main;
sub new {
my ($class, $text) = @_;
bless \$text, $class;
}
my $objconf = {
'a' => 'alpha',
'b' => 'bravo',
'w' => 'whisky',
};
my $replace = {
thing => TestObject->new($objconf),
string => Stringy->new('Test String'),
t1 => T1->new(a => 10),
num => Numbersome->new("Numbersome"),
getnum => GetNumbersome->new,
%{ callsign() },
};
test_expect(\*DATA, { INTERPOLATE => 1 }, $replace);
#------------------------------------------------------------------------
# test input
#------------------------------------------------------------------------
__DATA__
# test method calling via autoload to get parameters
[% thing.a %] [% thing.a %]
[% thing.b %]
$thing.w
-- expect --
alpha alpha
bravo
whisky
# ditto to set parameters
-- test --
[% thing.c = thing.b -%]
[% thing.c %]
-- expect --
bravo
-- test --
[% thing.concat = thing.b -%]
[% thing.args %]
-- expect --
ARGS: bravo
-- test --
[% thing.concat(d) = thing.b -%]
[% thing.args %]
-- expect --
ARGS: delta, bravo
-- test --
[% thing.yesterday %]
[% thing.today %]
[% thing.belief(thing.a thing.b thing.w) %]
-- expect --
Love was such an easy game to play...
Live for today and die for tomorrow.
Oh I believe in alpha and bravo and whisky.
-- test --
Yesterday, $thing.yesterday
$thing.today
${thing.belief('yesterday')}
-- expect --
Yesterday, Love was such an easy game to play...
Live for today and die for tomorrow.
Oh I believe in yesterday.
-- test --
[% thing.belief('fish' 'chips') %]
[% thing.belief %]
-- expect --
Oh I believe in fish and chips.
Oh I believe in <nothing>.
-- test --
${thing.belief('fish' 'chips')}
$thing.belief
-- expect --
Oh I believe in fish and chips.
Oh I believe in <nothing>.
-- test --
[% thing.tomorrow %]
$thing.tomorrow
-- expect --
Monday
Tuesday
-- test --
[% FOREACH [ 1 2 3 4 5 ] %]$thing.tomorrow [% END %].
-- expect --
Wednesday Thursday Friday Saturday Sunday .
#------------------------------------------------------------------------
# test private methods do not get exposed
#------------------------------------------------------------------------
-- test --
before[% thing._private %] mid [% thing._hidden %]after
-- expect --
before mid after
-- test --
[% key = '_private' -%]
[[% thing.$key %]]
-- expect --
[]
-- test --
[% key = '.private' -%]
[[% thing.$key = 'foo' %]]
[[% thing.$key %]]
-- expect --
[]
[]
#------------------------------------------------------------------------
# test auto-stringification
#------------------------------------------------------------------------
-- test --
[% string.stringify %]
-- expect --
stringified 'Test String'
-- test --
[% string %]
-- expect --
stringified 'Test String'
-- test --
[% "-> $string <-" %]
-- expect --
-> stringified 'Test String' <-
-- test --
[% "$string" %]
-- expect --
stringified 'Test String'
-- test --
foo $string bar
-- expect --
foo stringified 'Test String' bar
-- test --
.[% t1.dead %].
-- expect --
..
-- test --
.[% TRY; t1.die; CATCH; error; END %].
-- expect --
.undef error - barfed up
.
#-----------------------------------------------------------------------
# try and pin down the numification bug
#-----------------------------------------------------------------------
-- test --
[% FOREACH item IN num.things -%]
* [% item %]
[% END -%]
-- expect --
* foo
* bar
* baz
-- test --
[% num %]
-- expect --
PASS: stringified Numbersome
-- test --
[% getnum.num %]
-- expect --
PASS: stringified from GetNumbersome