OutputPageTest.php

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<?php

class OutputPageTest extends MediaWikiTestCase {
    const SCREEN_MEDIA_QUERY = 'screen and (min-width: 982px)';
    const SCREEN_ONLY_MEDIA_QUERY = 'only screen and (min-width: 982px)';

    protected function assertTransformCssMediaCase( $args ) {
        $queryData = array();
        if ( isset( $args['printableQuery'] ) ) {
            $queryData['printable'] = $args['printableQuery'];
        }

        if ( isset( $args['handheldQuery'] ) ) {
            $queryData['handheld'] = $args['handheldQuery'];
        }

        $fauxRequest = new FauxRequest( $queryData, false );
        $this->setMWGlobals( array(
            'wgRequest' => $fauxRequest,
        ) );

        $actualReturn = OutputPage::transformCssMedia( $args['media'] );
        $this->assertSame( $args['expectedReturn'], $actualReturn, $args['message'] );
    }

    public function testPrintRequests() {
        $this->assertTransformCssMediaCase( array(
            'printableQuery' => '1',
            'media' => 'screen',
            'expectedReturn' => null,
            'message' => 'On printable request, screen returns null'
        ) );

        $this->assertTransformCssMediaCase( array(
            'printableQuery' => '1',
            'media' => self::SCREEN_MEDIA_QUERY,
            'expectedReturn' => null,
            'message' => 'On printable request, screen media query returns null'
        ) );

        $this->assertTransformCssMediaCase( array(
            'printableQuery' => '1',
            'media' => self::SCREEN_ONLY_MEDIA_QUERY,
            'expectedReturn' => null,
            'message' => 'On printable request, screen media query with only returns null'
        ) );

        $this->assertTransformCssMediaCase( array(
            'printableQuery' => '1',
            'media' => 'print',
            'expectedReturn' => '',
            'message' => 'On printable request, media print returns empty string'
        ) );
    }

    public function testScreenRequests() {
        $this->assertTransformCssMediaCase( array(
            'media' => 'screen',
            'expectedReturn' => 'screen',
            'message' => 'On screen request, screen media type is preserved'
        ) );

        $this->assertTransformCssMediaCase( array(
            'media' => 'handheld',
            'expectedReturn' => 'handheld',
            'message' => 'On screen request, handheld media type is preserved'
        ) );

        $this->assertTransformCssMediaCase( array(
            'media' => self::SCREEN_MEDIA_QUERY,
            'expectedReturn' => self::SCREEN_MEDIA_QUERY,
            'message' => 'On screen request, screen media query is preserved.'
        ) );

        $this->assertTransformCssMediaCase( array(
            'media' => self::SCREEN_ONLY_MEDIA_QUERY,
            'expectedReturn' => self::SCREEN_ONLY_MEDIA_QUERY,
            'message' => 'On screen request, screen media query with only is preserved.'
        ) );

        $this->assertTransformCssMediaCase( array(
            'media' => 'print',
            'expectedReturn' => 'print',
            'message' => 'On screen request, print media type is preserved'
        ) );
    }

    public function testHandheld() {
        $this->assertTransformCssMediaCase( array(
            'handheldQuery' => '1',
            'media' => 'handheld',
            'expectedReturn' => '',
            'message' => 'On request with handheld querystring and media is handheld, returns empty string'
        ) );

        $this->assertTransformCssMediaCase( array(
            'handheldQuery' => '1',
            'media' => 'screen',
            'expectedReturn' => null,
            'message' => 'On request with handheld querystring and media is screen, returns null'
        ) );
    }
}