class FilterSettingsTest

class FilterSettingsTest extends MigrateTestCase {
    
    /**
     * Tests transformation of filter settings.
     *
     * @dataProvider dataProvider
     * @covers ::transform
     */
    public function testTransform($value, $destination_id, $expected_value) : void {
        $migration = $this->createMock(MigrationInterface::class);
        $plugin = new FilterSettings([], 'filter_settings', []);
        $executable = $this->createMock(MigrateExecutableInterface::class);
        $row = $this->getMockBuilder(Row::class)
            ->disableOriginalConstructor()
            ->getMock();
        $row->expects($this->atLeastOnce())
            ->method('getDestinationProperty')
            ->willReturn($destination_id);
        $output_value = $plugin->transform($value, $executable, $row, 'foo');
        $this->assertSame($expected_value, $output_value);
    }
    
    /**
     * The test data provider.
     *
     * @return array
     */
    public static function dataProvider() {
        return [
            // Tests that the transformed value is identical to the input value when
            // destination is not the filter_html.
            // Test with an empty source array.
[
                [],
                'any_filter',
                [],
            ],
            // Test with a source string.
[
                'a string',
                'any_filter',
                'a string',
            ],
            // Test with a source filter array.
[
                [
                    'allowed_html' => '<a> <em> <strong> <cite> <code> <ul> <ol> <li> <dl> <dt> <dd>',
                ],
                'any_filter',
                [
                    'allowed_html' => '<a> <em> <strong> <cite> <code> <ul> <ol> <li> <dl> <dt> <dd>',
                ],
            ],
            // Tests that the transformed value for 'allowed_html' is altered when the
            // destination is filter_html.
            // Test with an empty source array.
[
                [],
                'filter_html',
                [],
            ],
            // Test with a source string.
[
                'a string',
                'filter_html',
                'a string',
            ],
            [
                [
                    'allowed_html' => '<a> <em> <strong> <cite> <code> <ul> <ol> <li> <dl> <dt> <dd>',
                ],
                'filter_html',
                [
                    'allowed_html' => '<a href hreflang> <em> <strong> <cite> <code> <ul type> <ol start type> <li> <dl> <dt> <dd>',
                ],
            ],
            [
                [
                    'foo' => 'bar',
                ],
                'filter_null',
                [],
            ],
        ];
    }

}