move methods back into CMOP::Class, now that they're a separate mixin

[gitmo/Class-MOP.git] / t / 031_method_modifiers.t

diff --git a/t/031_method_modifiers.t b/t/031_method_modifiers.t
index 3e8c617..ee5abf6 100644 (file)
--- a/t/031_method_modifiers.t
+++ b/t/031_method_modifiers.t
@@ -1,44 +1,209 @@
-#!/usr/bin/perl
-
 use strict;
 use warnings;
 
-use Test::More no_plan => 18;
+use Test::More;
 use Test::Exception;
 
-BEGIN {
-    use_ok('Class::MOP');    
-    use_ok('Class::MOP::Method');
+use Class::MOP;
+use Class::MOP::Method;
+
+# test before and afters
+{
+    my $trace = '';
+
+    my $method = Class::MOP::Method->wrap(
+        body => sub { $trace .= 'primary' },
+        package_name => 'main',
+        name         => '__ANON__',
+    );
+    isa_ok( $method, 'Class::MOP::Method' );
+
+    $method->();
+    is( $trace, 'primary', '... got the right return value from method' );
+    $trace = '';
+
+    my $wrapped = Class::MOP::Method::Wrapped->wrap($method);
+    isa_ok( $wrapped, 'Class::MOP::Method::Wrapped' );
+    isa_ok( $wrapped, 'Class::MOP::Method' );
+
+    $wrapped->();
+    is( $trace, 'primary',
+        '... got the right return value from the wrapped method' );
+    $trace = '';
+
+    lives_ok {
+        $wrapped->add_before_modifier( sub { $trace .= 'before -> ' } );
+    }
+    '... added the before modifier okay';
+
+    $wrapped->();
+    is( $trace, 'before -> primary',
+        '... got the right return value from the wrapped method (w/ before)'
+    );
+    $trace = '';
+
+    lives_ok {
+        $wrapped->add_after_modifier( sub { $trace .= ' -> after' } );
+    }
+    '... added the after modifier okay';
+
+    $wrapped->();
+    is( $trace, 'before -> primary -> after',
+        '... got the right return value from the wrapped method (w/ before)'
+    );
+    $trace = '';
+}
+
+# test around method
+{
+    my $method = Class::MOP::Method->wrap(
+        sub {4},
+        package_name => 'main',
+        name         => '__ANON__',
+    );
+    isa_ok( $method, 'Class::MOP::Method' );
+
+    is( $method->(), 4, '... got the right value from the wrapped method' );
+
+    my $wrapped = Class::MOP::Method::Wrapped->wrap($method);
+    isa_ok( $wrapped, 'Class::MOP::Method::Wrapped' );
+    isa_ok( $wrapped, 'Class::MOP::Method' );
+
+    is( $wrapped->(), 4, '... got the right value from the wrapped method' );
+
+    lives_ok {
+        $wrapped->add_around_modifier( sub { ( 3, $_[0]->() ) } );
+        $wrapped->add_around_modifier( sub { ( 2, $_[0]->() ) } );
+        $wrapped->add_around_modifier( sub { ( 1, $_[0]->() ) } );
+        $wrapped->add_around_modifier( sub { ( 0, $_[0]->() ) } );
+    }
+    '... added the around modifier okay';
+
+    is_deeply(
+        [ $wrapped->() ],
+        [ 0, 1, 2, 3, 4 ],
+        '... got the right results back from the around methods (in list context)'
+    );
+
+    is( scalar $wrapped->(), 4,
+        '... got the right results back from the around methods (in scalar context)'
+    );
+}
+
+{
+    my @tracelog;
+
+    my $method = Class::MOP::Method->wrap(
+        sub { push @tracelog => 'primary' },
+        package_name => 'main',
+        name         => '__ANON__',
+    );
+    isa_ok( $method, 'Class::MOP::Method' );
+
+    my $wrapped = Class::MOP::Method::Wrapped->wrap($method);
+    isa_ok( $wrapped, 'Class::MOP::Method::Wrapped' );
+    isa_ok( $wrapped, 'Class::MOP::Method' );
+
+    lives_ok {
+        $wrapped->add_before_modifier( sub { push @tracelog => 'before 1' } );
+        $wrapped->add_before_modifier( sub { push @tracelog => 'before 2' } );
+        $wrapped->add_before_modifier( sub { push @tracelog => 'before 3' } );
+    }
+    '... added the before modifier okay';
+
+    lives_ok {
+        $wrapped->add_around_modifier(
+            sub { push @tracelog => 'around 1'; $_[0]->(); } );
+        $wrapped->add_around_modifier(
+            sub { push @tracelog => 'around 2'; $_[0]->(); } );
+        $wrapped->add_around_modifier(
+            sub { push @tracelog => 'around 3'; $_[0]->(); } );
+    }
+    '... added the around modifier okay';
+
+    lives_ok {
+        $wrapped->add_after_modifier( sub { push @tracelog => 'after 1' } );
+        $wrapped->add_after_modifier( sub { push @tracelog => 'after 2' } );
+        $wrapped->add_after_modifier( sub { push @tracelog => 'after 3' } );
+    }
+    '... added the after modifier okay';
+
+    $wrapped->();
+    is_deeply(
+        \@tracelog,
+        [
+            'before 3', 'before 2', 'before 1',    # last-in-first-out order
+            'around 3', 'around 2', 'around 1',    # last-in-first-out order
+            'primary',
+            'after 1', 'after 2', 'after 3',       # first-in-first-out order
+        ],
+        '... got the right tracelog from all our before/around/after methods'
+    );
 }
 
-my $trace = '';
+# test introspection
+{
+    sub before1 {
+    }
+
+    sub before2 {
+    }
+
+    sub before3 {
+    }
+
+    sub after1 {
+    }
 
-my $method = Class::MOP::Method->new(sub { $trace .= 'primary' });
-isa_ok($method, 'Class::MOP::Method');
+    sub after2 {
+    }
 
-$method->();
-is($trace, 'primary', '... got the right return value from method');
-$trace = '';
+    sub after3 {
+    }
 
-my $wrapped = $method->wrap();
-isa_ok($wrapped, 'Class::MOP::Method');
+    sub around1 {
+    }
 
-$wrapped->();
-is($trace, 'primary', '... got the right return value from the wrapped method');
-$trace = '';
+    sub around2 {
+    }
 
-lives_ok {
-       $wrapped->add_before_modifier(sub { $trace .= 'before -> ' });
-} '... added the before modifier okay';
+    sub around3 {
+    }
 
-$wrapped->();
-is($trace, 'before -> primary', '... got the right return value from the wrapped method (w/ before)');
-$trace = '';
+    sub orig {
+    }
 
-lives_ok {
-       $wrapped->add_after_modifier(sub { $trace .= ' -> after' });
-} '... added the after modifier okay';
+    my $method = Class::MOP::Method->wrap(
+        body         => \&orig,
+        package_name => 'main',
+        name         => '__ANON__',
+    );
+
+    my $wrapped = Class::MOP::Method::Wrapped->wrap($method);
+
+    $wrapped->add_before_modifier($_)
+        for \&before1, \&before2, \&before3;
+
+    $wrapped->add_after_modifier($_)
+        for \&after1, \&after2, \&after3;
+
+    $wrapped->add_around_modifier($_)
+        for \&around1, \&around2, \&around3;
+
+    is( $wrapped->get_original_method, $method,
+        'check get_original_method' );
+
+    is_deeply( [ $wrapped->before_modifiers ],
+               [ \&before3, \&before2, \&before1 ],
+               'check before_modifiers' );
+
+    is_deeply( [ $wrapped->after_modifiers ],
+               [ \&after1, \&after2, \&after3 ],
+               'check after_modifiers' );
+
+    is_deeply( [ $wrapped->around_modifiers ],
+               [ \&around3, \&around2, \&around1 ],
+               'check around_modifiers' );
+}
 
-$wrapped->();
-is($trace, 'before -> primary -> after', '... got the right return value from the wrapped method (w/ before)');
-$trace = '';
\ No newline at end of file
+done_testing;