tests

[gitmo/Moose.git] / t / 034_attribute_does.t

diff --git a/t/034_attribute_does.t b/t/034_attribute_does.t
new file mode 100644 (file)
index 0000000..f95360f
--- /dev/null
+++ b/t/034_attribute_does.t
@@ -0,0 +1,103 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+use Test::More tests => 8;
+use Test::Exception;
+
+BEGIN {
+    use_ok('Moose');           
+}
+
+{
+    package Foo::Role;
+    use strict;
+    use warnings;
+    use Moose::Role;
+
+    # if does() exists on its own, then 
+    # we create a type constraint for 
+    # it, just as we do for isa()
+    has 'bar' => (is => 'rw', does => 'Bar::Role'); 
+
+    package Bar::Role;
+    use strict;
+    use warnings;
+    use Moose::Role;
+
+    # if isa and does appear together, then see if Class->does(Role)
+    # if it does work... then the does() check is actually not needed 
+    # since the isa() check will imply the does() check    
+    has 'foo' => (is => 'rw', isa => 'Foo::Class', does => 'Foo::Role');    
+    
+    package Foo::Class;
+    use strict;
+    use warnings;
+    use Moose;
+    
+    with 'Foo::Role';
+
+    package Bar::Class;
+    use strict;
+    use warnings;
+    use Moose;
+
+    with 'Bar::Role';
+
+}
+
+my $foo = Foo::Class->new;
+isa_ok($foo, 'Foo::Class');
+
+my $bar = Bar::Class->new;
+isa_ok($bar, 'Bar::Class');
+
+lives_ok {
+    $foo->bar($bar);
+} '... bar passed the type constraint okay';
+
+dies_ok {
+    $foo->bar($foo);
+} '... foo did not pass the type constraint okay';
+
+lives_ok {
+    $bar->foo($foo);
+} '... foo passed the type constraint okay';    
+
+# some error conditions
+
+{
+    package Baz::Class;
+    use strict;
+    use warnings;
+    use Moose;
+
+    # if isa and does appear together, then see if Class->does(Role)
+    # if it does not,.. we have a conflict... so we die loudly
+    ::dies_ok {
+        has 'foo' => (isa => 'Foo::Class', does => 'Bar::Class');
+    } '... cannot have a does() which is not done by the isa()';
+}    
+
+{
+    package Bling;
+    use strict;
+    use warnings;
+    
+    sub bling { 'Bling::bling' }
+    
+    package Bling::Bling;
+    use strict;
+    use warnings;    
+    use Moose;
+
+    # if isa and does appear together, then see if Class->does(Role)
+    # if it does not,.. we have a conflict... so we die loudly
+    ::dies_ok {
+        has 'foo' => (isa => 'Bling', does => 'Bar::Class');
+    } '... cannot have a isa() which is cannot does()';
+}
+
+
+