added BUILDARGS support

[gitmo/Role-Tiny.git] / t / buildargs.t

diff --git a/t/buildargs.t b/t/buildargs.t
new file mode 100644 (file)
index 0000000..1a541bd
--- /dev/null
+++ b/t/buildargs.t
@@ -0,0 +1,94 @@
+use strictures 1;
+use Test::More;
+
+{
+    package Qux;
+    use Moo;
+
+    has bar => ( is => "rw" );
+    has baz => ( is => "rw" );
+
+    package Quux;
+    use Moo;
+
+    extends qw(Qux);
+}
+{
+    package Foo;
+    use Moo;
+
+    has bar => ( is => "rw" );
+    has baz => ( is => "rw" );
+
+    sub BUILDARGS {
+        my ( $class, @args ) = @_;
+        unshift @args, "bar" if @args % 2 == 1;
+        return $class->SUPER::BUILDARGS(@args);
+    }
+
+    package Bar;
+    use Moo;
+
+    extends qw(Foo);
+}
+
+{
+    package Baz;
+    use Moo;
+
+    has bar => ( is => "rw" );
+    has baz => ( is => "rw" );
+
+    around BUILDARGS => sub {
+        my $orig = shift;
+        my ( $class, @args ) = @_;
+
+        unshift @args, "bar" if @args % 2 == 1;
+
+        return $class->$orig(@args);
+    };
+
+    package Biff;
+    use Moo;
+
+    extends qw(Baz);
+}
+
+foreach my $class (qw(Foo Bar Baz Biff)) {
+    is( $class->new->bar, undef, "no args" );
+    is( $class->new( bar => 42 )->bar, 42, "normal args" );
+    is( $class->new( 37 )->bar, 37, "single arg" );
+    {
+        my $o = $class->new(bar => 42, baz => 47);
+        is($o->bar, 42, '... got the right bar');
+        is($o->baz, 47, '... got the right baz');
+    }
+    {
+        my $o = $class->new(42, baz => 47);
+        is($o->bar, 42, '... got the right bar');
+        is($o->baz, 47, '... got the right baz');
+    }
+}
+
+foreach my $class (qw(Qux Quux)) {
+    my $o = $class->new(bar => 42, baz => 47);
+    is($o->bar, 42, '... got the right bar');
+    is($o->baz, 47, '... got the right baz');
+
+    eval {
+        $class->new( 37 );
+    };
+    like( $@, qr/Single parameters to new\(\) must be a HASH ref/,
+        "new() requires a list or a HASH ref"
+    );
+
+    eval {
+        $class->new( [ 37 ] );
+    };
+    like( $@, qr/Single parameters to new\(\) must be a HASH ref/,
+        "new() requires a list or a HASH ref"
+    );
+}
+
+done_testing;
+