ConfigFactoryTest.php

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<?php

class ConfigFactoryTest extends MediaWikiTestCase {

    public function tearDown() {
        // Reset this since we mess with it a bit
        ConfigFactory::destroyDefaultInstance();
        parent::tearDown();
    }

    public function testRegister() {
        $factory = new ConfigFactory();
        $factory->register( 'unittest', 'GlobalVarConfig::newInstance' );
        $this->assertTrue( true ); // No exception thrown
        $this->setExpectedException( 'InvalidArgumentException' );
        $factory->register( 'invalid', 'Invalid callback' );
    }

    public function testMakeConfig() {
        $factory = new ConfigFactory();
        $factory->register( 'unittest', 'GlobalVarConfig::newInstance' );
        $conf = $factory->makeConfig( 'unittest' );
        $this->assertInstanceOf( 'Config', $conf );
    }

    public function testMakeConfigWithNoBuilders() {
        $factory = new ConfigFactory();
        $this->setExpectedException( 'ConfigException' );
        $factory->makeConfig( 'nobuilderregistered' );
    }

    public function testMakeConfigWithInvalidCallback() {
        $factory = new ConfigFactory();
        $factory->register( 'unittest', function () {
            return true; // Not a Config object
        } );
        $this->setExpectedException( 'UnexpectedValueException' );
        $factory->makeConfig( 'unittest' );
    }

    public function testGetDefaultInstance() {
        // Set $wgConfigRegistry, and check the default
        // instance read from it
        $this->setMwGlobals( 'wgConfigRegistry', array(
            'conf1' => 'GlobalVarConfig::newInstance',
            'conf2' => 'GlobalVarConfig::newInstance',
        ) );
        ConfigFactory::destroyDefaultInstance();
        $factory = ConfigFactory::getDefaultInstance();
        $this->assertInstanceOf( 'Config', $factory->makeConfig( 'conf1' ) );
        $this->assertInstanceOf( 'Config', $factory->makeConfig( 'conf2' ) );
        $this->setExpectedException( 'ConfigException' );
        $factory->makeConfig( 'conf3' );
    }
}