Be nice to Moose::Role::unimport in older moose

[gitmo/Mouse.git] / t / 023-builder.t

diff --git a/t/023-builder.t b/t/023-builder.t
index 275ae59..a72f900 100644 (file)
--- a/t/023-builder.t
+++ b/t/023-builder.t
@@ -1,29 +1,49 @@
 #!/usr/bin/env perl
 use strict;
 use warnings;
-use Test::More tests => 6;
+use Test::More tests => 34;
 
 my $builder_called = 0;
+my $lazy_builder_called = 0;
 
 do {
     package Class;
     use Mouse;
 
     has name => (
-        is       => 'rw',
-        isa      => 'Str',
-        builder  => '_build_name',
+        is        => 'rw',
+        isa       => 'Str',
+        builder   => '_build_name',
+        predicate => 'has_name',
+        clearer   => 'clear_name',
     );
 
-    sub default_name { "Frank" }
     sub _build_name {
         my $self = shift;
         ++$builder_called;
-        return uc $self->default_name;
+        return "FRANK";
     };
+
+    has age => (
+        is         => 'ro',
+        isa        => 'Int',
+        lazy_build => 1,
+        clearer    => 'clear_age',
+        predicate  => 'has_age',
+    );
+
+    sub default_age { 20 }
+    sub _build_age {
+        my $self = shift;
+        ++$lazy_builder_called;
+        return $self->default_age;
+    };
+
 };
 
+# eager builder
 my $object = Class->new(name => "Bob");
+ok($object->has_name, "predicate: value from constructor");
 is($builder_called, 0, "builder not called in the constructor when we pass a value");
 is($object->name, "Bob", "builder doesn't matter when we just set the value in constructor");
 $object->name("Bill");
@@ -31,8 +51,47 @@ is($object->name, "Bill", "builder doesn't matter when we just set the value in
 is($builder_called, 0, "builder not called in the setter");
 $builder_called = 0;
 
+$object->clear_name;
+ok(!$object->has_name, "predicate: no value after clear");
+is($object->name, undef, "eager builder does NOT swoop in after clear");
+ok(!$object->has_name, "predicate: no value after clear and get");
+is($builder_called, 0, "builder not called in the getter, even after clear");
+$builder_called = 0;
+
 my $object2 = Class->new;
+ok($object2->has_name, "predicate: value from eager builder");
 is($object2->name, "FRANK", "builder called to provide the default value");
 is($builder_called, 1, "builder called ONCE to provide the default value");
 
-# XXX: test clearer, lazy
+# lazy builder
+my $object3 = Class->new;
+is($lazy_builder_called, 0, "lazy builder not called yet");
+ok(!$object3->has_age, "predicate: no age yet");
+is($object3->age, 20, "lazy builder value");
+ok($object3->has_age, "predicate: have value after get");
+is($lazy_builder_called, 1, "lazy builder called on get");
+is($object3->age, 20, "lazy builder value");
+is($lazy_builder_called, 1, "lazy builder not called on subsequent gets");
+ok($object3->has_age, "predicate: have value after subsequent gets");
+
+$lazy_builder_called = 0;
+$object3->clear_age;
+ok(!$object3->has_age, "predicate: no value after clear");
+is($lazy_builder_called, 0, "lazy builder not called on clear");
+is($object3->age, 20, "lazy builder value");
+ok($object3->has_age, "predicate: have value after clear and get");
+is($lazy_builder_called, 1, "lazy builder called on get after clear");
+
+$lazy_builder_called = 0;
+my $object4 = Class->new(age => 50);
+ok($object4->has_age, "predicate: have value from constructor");
+is($lazy_builder_called, 0, "lazy builder not called yet");
+is($object4->age, 50, "value from constructor");
+is($lazy_builder_called, 0, "lazy builder not called if value is from constructor");
+
+$object4->clear_age;
+ok(!$object4->has_age, "predicate: no value after clear");
+is($lazy_builder_called, 0, "lazy builder not called on clear");
+is($object4->age, 20, "lazy builder value");
+ok($object4->has_age, "predicate: have value after clear and get");
+is($lazy_builder_called, 1, "lazy builder called on get after clear");