SkinFactoryTest.php

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<?php

class SkinFactoryTest extends MediaWikiTestCase {

    public function testRegister() {
        $factory = new SkinFactory();
        $factory->register( 'fallback', 'Fallback', function () {
            return new SkinFallback();
        } );
        $this->assertTrue( true ); // No exception thrown
        $this->setExpectedException( 'InvalidArgumentException' );
        $factory->register( 'invalid', 'Invalid', 'Invalid callback' );
    }

    public function testMakeSkinWithNoBuilders() {
        $factory = new SkinFactory();
        $this->setExpectedException( 'SkinException' );
        $factory->makeSkin( 'nobuilderregistered' );
    }

    public function testMakeSkinWithInvalidCallback() {
        $factory = new SkinFactory();
        $factory->register( 'unittest', 'Unittest', function () {
            return true; // Not a Skin object
        } );
        $this->setExpectedException( 'UnexpectedValueException' );
        $factory->makeSkin( 'unittest' );
    }

    public function testMakeSkinWithValidCallback() {
        $factory = new SkinFactory();
        $factory->register( 'testfallback', 'TestFallback', function () {
            return new SkinFallback();
        } );

        $skin = $factory->makeSkin( 'testfallback' );
        $this->assertInstanceOf( 'Skin', $skin );
        $this->assertInstanceOf( 'SkinFallback', $skin );
    }

    public function testGetSkinNames() {
        $factory = new SkinFactory();
        // A fake callback we can use that will never be called
        $callback = function () {
            // NOP
        };
        $factory->register( 'skin1', 'Skin1', $callback );
        $factory->register( 'skin2', 'Skin2', $callback );
        $names = $factory->getSkinNames();
        $this->assertArrayHasKey( 'skin1', $names );
        $this->assertArrayHasKey( 'skin2', $names );
        $this->assertEquals( 'Skin1', $names['skin1'] );
        $this->assertEquals( 'Skin2', $names['skin2'] );
    }
}