Moose-2.1405HEADMoose-2.1405master

1 files changed, 251 insertions, 0 deletions

diff --git a/t/recipes/basics_point_attributesandsubclassing.t b/t/recipes/basics_point_attributesandsubclassing.t
new file mode 100644
index 0000000..4ba63c2
--- /dev/null
+++ b/t/recipes/basics_point_attributesandsubclassing.t
@@ -0,0 +1,251 @@
+#!/usr/bin/perl -w
+
+use strict;
+use Test::More 'no_plan';
+use Test::Fatal;
+$| = 1;
+
+
+
+# =begin testing SETUP
+{
+
+  package Point;
+  use Moose;
+
+  has 'x' => (isa => 'Int', is => 'rw', required => 1);
+  has 'y' => (isa => 'Int', is => 'rw', required => 1);
+
+  sub clear {
+      my $self = shift;
+      $self->x(0);
+      $self->y(0);
+  }
+
+  package Point3D;
+  use Moose;
+
+  extends 'Point';
+
+  has 'z' => (isa => 'Int', is => 'rw', required => 1);
+
+  after 'clear' => sub {
+      my $self = shift;
+      $self->z(0);
+  };
+
+  package main;
+
+  # hash or hashrefs are ok for the constructor
+  my $point1 = Point->new(x => 5, y => 7);
+  my $point2 = Point->new({x => 5, y => 7});
+
+  my $point3d = Point3D->new(x => 5, y => 42, z => -5);
+}
+
+
+
+# =begin testing
+{
+my $point = Point->new( x => 1, y => 2 );
+isa_ok( $point, 'Point' );
+isa_ok( $point, 'Moose::Object' );
+
+is( $point->x, 1, '... got the right value for x' );
+is( $point->y, 2, '... got the right value for y' );
+
+$point->y(10);
+is( $point->y, 10, '... got the right (changed) value for y' );
+
+isnt(
+    exception {
+        $point->y('Foo');
+    },
+    undef,
+    '... cannot assign a non-Int to y'
+);
+
+isnt(
+    exception {
+        Point->new();
+    },
+    undef,
+    '... must provide required attributes to new'
+);
+
+$point->clear();
+
+is( $point->x, 0, '... got the right (cleared) value for x' );
+is( $point->y, 0, '... got the right (cleared) value for y' );
+
+# check the type constraints on the constructor
+
+is(
+    exception {
+        Point->new( x => 0, y => 0 );
+    },
+    undef,
+    '... can assign a 0 to x and y'
+);
+
+isnt(
+    exception {
+        Point->new( x => 10, y => 'Foo' );
+    },
+    undef,
+    '... cannot assign a non-Int to y'
+);
+
+isnt(
+    exception {
+        Point->new( x => 'Foo', y => 10 );
+    },
+    undef,
+    '... cannot assign a non-Int to x'
+);
+
+# Point3D
+
+my $point3d = Point3D->new( { x => 10, y => 15, z => 3 } );
+isa_ok( $point3d, 'Point3D' );
+isa_ok( $point3d, 'Point' );
+isa_ok( $point3d, 'Moose::Object' );
+
+is( $point3d->x,     10, '... got the right value for x' );
+is( $point3d->y,     15, '... got the right value for y' );
+is( $point3d->{'z'}, 3,  '... got the right value for z' );
+
+$point3d->clear();
+
+is( $point3d->x, 0, '... got the right (cleared) value for x' );
+is( $point3d->y, 0, '... got the right (cleared) value for y' );
+is( $point3d->z, 0, '... got the right (cleared) value for z' );
+
+isnt(
+    exception {
+        Point3D->new( x => 10, y => 'Foo', z => 3 );
+    },
+    undef,
+    '... cannot assign a non-Int to y'
+);
+
+isnt(
+    exception {
+        Point3D->new( x => 'Foo', y => 10, z => 3 );
+    },
+    undef,
+    '... cannot assign a non-Int to x'
+);
+
+isnt(
+    exception {
+        Point3D->new( x => 0, y => 10, z => 'Bar' );
+    },
+    undef,
+    '... cannot assign a non-Int to z'
+);
+
+isnt(
+    exception {
+        Point3D->new( x => 10, y => 3 );
+    },
+    undef,
+    '... z is a required attribute for Point3D'
+);
+
+# test some class introspection
+
+can_ok( 'Point', 'meta' );
+isa_ok( Point->meta, 'Moose::Meta::Class' );
+
+can_ok( 'Point3D', 'meta' );
+isa_ok( Point3D->meta, 'Moose::Meta::Class' );
+
+isnt(
+    Point->meta, Point3D->meta,
+    '... they are different metaclasses as well'
+);
+
+# poke at Point
+
+is_deeply(
+    [ Point->meta->superclasses ],
+    ['Moose::Object'],
+    '... Point got the automagic base class'
+);
+
+my @Point_methods = qw(meta x y clear);
+my @Point_attrs = ( 'x', 'y' );
+
+is_deeply(
+    [ sort @Point_methods ],
+    [ sort Point->meta->get_method_list() ],
+    '... we match the method list for Point'
+);
+
+is_deeply(
+    [ sort @Point_attrs ],
+    [ sort Point->meta->get_attribute_list() ],
+    '... we match the attribute list for Point'
+);
+
+foreach my $method (@Point_methods) {
+    ok( Point->meta->has_method($method),
+        '... Point has the method "' . $method . '"' );
+}
+
+foreach my $attr_name (@Point_attrs) {
+    ok( Point->meta->has_attribute($attr_name),
+        '... Point has the attribute "' . $attr_name . '"' );
+    my $attr = Point->meta->get_attribute($attr_name);
+    ok( $attr->has_type_constraint,
+        '... Attribute ' . $attr_name . ' has a type constraint' );
+    isa_ok( $attr->type_constraint, 'Moose::Meta::TypeConstraint' );
+    is( $attr->type_constraint->name, 'Int',
+        '... Attribute ' . $attr_name . ' has an Int type constraint' );
+}
+
+# poke at Point3D
+
+is_deeply(
+    [ Point3D->meta->superclasses ],
+    ['Point'],
+    '... Point3D gets the parent given to it'
+);
+
+my @Point3D_methods = qw( meta z clear );
+my @Point3D_attrs   = ('z');
+
+is_deeply(
+    [ sort @Point3D_methods ],
+    [ sort Point3D->meta->get_method_list() ],
+    '... we match the method list for Point3D'
+);
+
+is_deeply(
+    [ sort @Point3D_attrs ],
+    [ sort Point3D->meta->get_attribute_list() ],
+    '... we match the attribute list for Point3D'
+);
+
+foreach my $method (@Point3D_methods) {
+    ok( Point3D->meta->has_method($method),
+        '... Point3D has the method "' . $method . '"' );
+}
+
+foreach my $attr_name (@Point3D_attrs) {
+    ok( Point3D->meta->has_attribute($attr_name),
+        '... Point3D has the attribute "' . $attr_name . '"' );
+    my $attr = Point3D->meta->get_attribute($attr_name);
+    ok( $attr->has_type_constraint,
+        '... Attribute ' . $attr_name . ' has a type constraint' );
+    isa_ok( $attr->type_constraint, 'Moose::Meta::TypeConstraint' );
+    is( $attr->type_constraint->name, 'Int',
+        '... Attribute ' . $attr_name . ' has an Int type constraint' );
+}
+}
+
+
+
+
+1;