HTMLCheckMatrixTest.php

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<?php

class HtmlCheckMatrixTest extends MediaWikiTestCase {
    static private $defaultOptions = array(
        'rows' => array( 'r1', 'r2' ),
        'columns' => array( 'c1', 'c2' ),
        'fieldname' => 'test',
    );

    public function testPlainInstantiation() {
        try {
            $form = new HTMLCheckMatrix( array() );
        } catch ( MWException $e ) {
            $this->assertInstanceOf( 'HTMLFormFieldRequiredOptionsException', $e );
            return;
        }

        $this->fail( 'Expected MWException indicating missing parameters but none was thrown.' );
    }

    public function testInstantiationWithMinimumRequiredParameters() {
        $form = new HTMLCheckMatrix( self::$defaultOptions );
        $this->assertTrue( true ); // form instantiation must throw exception on failure
    }

    public function testValidateCallsUserDefinedValidationCallback() {
        $called = false;
        $field = new HTMLCheckMatrix( self::$defaultOptions + array(
            'validation-callback' => function() use ( &$called ) {
                $called = true;
                return false;
            },
        ) );
        $this->assertEquals( false, $this->validate( $field, array() ) );
        $this->assertTrue( $called );
    }

    public function testValidateRequiresArrayInput() {
        $field = new HTMLCheckMatrix( self::$defaultOptions );
        $this->assertEquals( false, $this->validate( $field, null ) );
        $this->assertEquals( false, $this->validate( $field, true ) );
        $this->assertEquals( false, $this->validate( $field, 'abc' ) );
        $this->assertEquals( false, $this->validate( $field, new stdClass ) );
        $this->assertEquals( true, $this->validate( $field, array() ) );
    }

    public function testValidateAllowsOnlyKnownTags() {
        $field = new HTMLCheckMatrix( self::$defaultOptions );
        $this->assertInternalType( 'string', $this->validate( $field, array( 'foo' ) ) );
    }

    public function testValidateAcceptsPartialTagList() {
        $field = new HTMLCheckMatrix( self::$defaultOptions );
        $this->assertTrue( $this->validate( $field, array() ) );
        $this->assertTrue( $this->validate( $field, array( 'c1-r1' ) ) );
        $this->assertTrue( $this->validate( $field, array( 'c1-r1', 'c1-r2', 'c2-r1', 'c2-r2' ) ) );
    }

    public function testValuesForcedOnRemainOn() {
        $field = new HTMLCheckMatrix( self::$defaultOptions + array(
            'force-options-on' => array( 'c2-r1' ),
        ) );
        $expected = array(
            'c1-r1' => false,
            'c1-r2' => false,
            'c2-r1' => true,
            'c2-r2' => false,
        );
        $this->assertEquals( $expected, $field->filterDataForSubmit( array() ) );
    }

    public function testValuesForcedOffRemainOff() {
        $field = new HTMLCheckMatrix( self::$defaultOptions + array(
            'force-options-off' => array( 'c1-r2', 'c2-r2' ),
        ) );
        $expected = array(
            'c1-r1' => true,
            'c1-r2' => false,
            'c2-r1' => true,
            'c2-r2' => false,
        );
        // array_keys on the result simulates submitting all fields checked
        $this->assertEquals( $expected, $field->filterDataForSubmit( array_keys( $expected ) ) );
    }

    protected function validate( HTMLFormField $field, $submitted ) {
        return $field->validate(
            $submitted,
            array( self::$defaultOptions['fieldname'] => $submitted )
        );
    }
}