complete re-organization of the test suite

[gitmo/Moose.git] / t / 040_type_constraints / 005_util_type_coercion.t

diff --git a/t/040_type_constraints/005_util_type_coercion.t b/t/040_type_constraints/005_util_type_coercion.t
new file mode 100644 (file)
index 0000000..c483323
--- /dev/null
+++ b/t/040_type_constraints/005_util_type_coercion.t
@@ -0,0 +1,90 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+
+use Test::More tests => 14;
+use Test::Exception;
+
+BEGIN {
+       use_ok('Moose::Util::TypeConstraints');
+}
+
+{
+    package HTTPHeader;
+    use Moose;
+    
+    has 'array' => (is => 'ro');
+    has 'hash'  => (is => 'ro');    
+}
+
+subtype Header => 
+    => as Object 
+    => where { $_->isa('HTTPHeader') };
+    
+coerce Header 
+    => from ArrayRef 
+        => via { HTTPHeader->new(array => $_[0]) }
+    => from HashRef 
+        => via { HTTPHeader->new(hash => $_[0]) };
+
+
+{
+       package Math::BigFloat;
+       sub new { bless { }, shift }; # not a moose class ;-)
+}
+
+subtype "Math::BigFloat"
+       => as "Math::BigFloat"
+       => where { 1 };
+
+coerce "Math::BigFloat"
+       => from Num
+               => via { Math::BigFloat->new( $_ ) };
+
+        
+Moose::Util::TypeConstraints->export_type_contstraints_as_functions();        
+        
+my $header = HTTPHeader->new();
+isa_ok($header, 'HTTPHeader');
+
+ok(Header($header), '... this passed the type test');
+ok(!Header([]), '... this did not pass the type test');
+ok(!Header({}), '... this did not pass the type test');
+
+my $coercion = find_type_constraint('Header')->coercion;
+isa_ok($coercion, 'Moose::Meta::TypeCoercion');
+
+{
+    my $coerced = $coercion->coerce([ 1, 2, 3 ]);
+    isa_ok($coerced, 'HTTPHeader');
+
+    is_deeply(
+        $coerced->array(),
+        [ 1, 2, 3 ],
+        '... got the right array');
+    is($coerced->hash(), undef, '... nothing assigned to the hash');        
+}
+
+{
+    my $coerced = $coercion->coerce({ one => 1, two => 2, three => 3 });
+    isa_ok($coerced, 'HTTPHeader');
+    
+    is_deeply(
+        $coerced->hash(),
+        { one => 1, two => 2, three => 3 },
+        '... got the right hash');
+    is($coerced->array(), undef, '... nothing assigned to the array');        
+}
+
+{
+    my $scalar_ref = \(my $var);
+    my $coerced = $coercion->coerce($scalar_ref);
+    is($coerced, $scalar_ref, '... got back what we put in');
+}
+
+{
+    my $coerced = $coercion->coerce("Foo");
+    is($coerced, "Foo", '... got back what we put in');
+}
+