Merge 'trunk' into 'replication_dedux'
[dbsrgits/DBIx-Class.git] / t / 90ensure_class_loaded.t
1 use strict;
2 use warnings;  
3
4 use Test::More;
5 use lib qw(t/lib);
6 use DBICTest;
7 use Class::Inspector;
8
9 BEGIN {
10   package TestPackage::A;
11   sub some_method {}
12 }
13
14 my $schema = DBICTest->init_schema();
15
16 plan tests => 20;
17
18 # Test ensure_class_found
19 ok( $schema->ensure_class_found('DBIx::Class::Schema'),
20     'loaded package DBIx::Class::Schema was found' );
21 ok( !Class::Inspector->loaded('DBICTest::FakeComponent'),
22     'DBICTest::FakeComponent not loaded yet' );
23 ok( $schema->ensure_class_found('DBICTest::FakeComponent'),
24     'package DBICTest::FakeComponent was found' );
25 ok( !Class::Inspector->loaded('DBICTest::FakeComponent'),
26     'DBICTest::FakeComponent not loaded by ensure_class_found()' );
27 ok( $schema->ensure_class_found('TestPackage::A'),
28     'anonymous package TestPackage::A found' );
29 ok( !$schema->ensure_class_found('FAKE::WONT::BE::FOUND'),
30         'fake package not found' );
31
32 # Test load_optional_class
33 my $retval = eval { $schema->load_optional_class('ANOTHER::FAKE::PACKAGE') };
34 ok( !$@, 'load_optional_class on a nonexistent class did not throw' );
35 ok( !$retval, 'nonexistent package not loaded' );
36 $retval = eval { $schema->load_optional_class('DBICTest::OptionalComponent') };
37 ok( !$@, 'load_optional_class on an existing class did not throw' );
38 ok( $retval, 'DBICTest::OptionalComponent loaded' );
39 eval { $schema->load_optional_class('DBICTest::ErrorComponent') };
40 like( $@, qr/did not return a true value/,
41       'DBICTest::ErrorComponent threw ok' );
42
43 # Test ensure_class_loaded
44 ok( Class::Inspector->loaded('TestPackage::A'), 'anonymous package exists' );
45 eval { $schema->ensure_class_loaded('TestPackage::A'); };
46 ok( !$@, 'ensure_class_loaded detected an anon. class' );
47 eval { $schema->ensure_class_loaded('FakePackage::B'); };
48 like( $@, qr/Can't locate/,
49      'ensure_class_loaded threw exception for nonexistent class' );
50 ok( !Class::Inspector->loaded('DBICTest::FakeComponent'),
51    'DBICTest::FakeComponent not loaded yet' );
52 eval { $schema->ensure_class_loaded('DBICTest::FakeComponent'); };
53 ok( !$@, 'ensure_class_loaded detected an existing but non-loaded class' );
54 ok( Class::Inspector->loaded('DBICTest::FakeComponent'),
55    'DBICTest::FakeComponent now loaded' );
56
57 {
58   # Squash warnings about syntax errors in SytaxErrorComponent.pm
59   local $SIG{__WARN__} = sub {
60     my $warning = shift;
61     warn $warning unless (
62       $warning =~ /String found where operator expected/ or
63       $warning =~ /Missing operator before/
64     );
65   };
66
67   eval { $schema->ensure_class_loaded('DBICTest::SyntaxErrorComponent1') };
68   like( $@, qr/syntax error/,
69         'ensure_class_loaded(DBICTest::SyntaxErrorComponent1) threw ok' );
70   eval { $schema->load_optional_class('DBICTest::SyntaxErrorComponent2') };
71   like( $@, qr/syntax error/,
72         'load_optional_class(DBICTest::SyntaxErrorComponent2) threw ok' );
73 }
74
75
76 eval {
77   package Fake::ResultSet;
78
79   use base 'DBIx::Class::ResultSet';
80
81   __PACKAGE__->load_components('+DBICTest::SyntaxErrorComponent3');
82 };
83
84 # Make sure the errors in components of resultset classes are reported right.
85 like($@, qr!\Qsyntax error at t/lib/DBICTest/SyntaxErrorComponent3.pm!, "Errors from RS components reported right");
86
87 1;