class GetTest

class GetTest extends MigrateProcessTestCase {
    
    /**
     * Tests the Get plugin when source is a string.
     */
    public function testTransformSourceString() {
        $this->row
            ->expects($this->once())
            ->method('get')
            ->with('test')
            ->willReturn('source_value');
        $this->plugin = new Get([
            'source' => 'test',
        ], '', []);
        $value = $this->plugin
            ->transform(NULL, $this->migrateExecutable, $this->row, 'destination_property');
        $this->assertSame('source_value', $value);
    }
    
    /**
     * Tests the Get plugin when source is an array.
     */
    public function testTransformSourceArray() {
        $map = [
            'test1' => 'source_value1',
            'test2' => 'source_value2',
        ];
        $this->plugin = new Get([
            'source' => [
                'test1',
                'test2',
            ],
        ], '', []);
        $this->row
            ->expects($this->exactly(2))
            ->method('get')
            ->willReturnCallback(function ($argument) use ($map) {
            return $map[$argument];
        });
        $value = $this->plugin
            ->transform(NULL, $this->migrateExecutable, $this->row, 'destination_property');
        $this->assertSame([
            'source_value1',
            'source_value2',
        ], $value);
    }
    
    /**
     * Tests the Get plugin when source is a string pointing to destination.
     */
    public function testTransformSourceStringAt() {
        $this->row
            ->expects($this->once())
            ->method('get')
            ->with('@@test')
            ->willReturn('source_value');
        $this->plugin = new Get([
            'source' => '@@test',
        ], '', []);
        $value = $this->plugin
            ->transform(NULL, $this->migrateExecutable, $this->row, 'destination_property');
        $this->assertSame('source_value', $value);
    }
    
    /**
     * Tests the Get plugin when source is an array pointing to destination.
     */
    public function testTransformSourceArrayAt() {
        $map = [
            'test1' => 'source_value1',
            '@@test2' => 'source_value2',
            '@@test3' => 'source_value3',
            'test4' => 'source_value4',
        ];
        $this->plugin = new Get([
            'source' => [
                'test1',
                '@@test2',
                '@@test3',
                'test4',
            ],
        ], '', []);
        $this->row
            ->expects($this->exactly(4))
            ->method('get')
            ->willReturnCallback(function ($argument) use ($map) {
            return $map[$argument];
        });
        $value = $this->plugin
            ->transform(NULL, $this->migrateExecutable, $this->row, 'destination_property');
        $this->assertSame([
            'source_value1',
            'source_value2',
            'source_value3',
            'source_value4',
        ], $value);
    }
    
    /**
     * Tests the Get plugin when source has integer values.
     *
     * @dataProvider integerValuesDataProvider
     */
    public function testIntegerValues($source, $expected_value) {
        $this->row
            ->expects($this->atMost(2))
            ->method('get')
            ->willReturnOnConsecutiveCalls('val1', 'val2');
        $this->plugin = new Get([
            'source' => $source,
        ], '', []);
        $return = $this->plugin
            ->transform(NULL, $this->migrateExecutable, $this->row, 'destination_property');
        $this->assertSame($expected_value, $return);
    }
    
    /**
     * Provides data for the successful lookup test.
     *
     * @return array
     */
    public function integerValuesDataProvider() {
        return [
            [
                'source' => [
                    0 => 0,
                    1 => 'test',
                ],
                'expected_value' => [
                    0 => 'val1',
                    1 => 'val2',
                ],
            ],
            [
                'source' => [
                    FALSE,
                ],
                'expected_value' => [
                    NULL,
                ],
            ],
            [
                'source' => [
                    NULL,
                ],
                'expected_value' => [
                    NULL,
                ],
            ],
        ];
    }
    
    /**
     * Tests the Get plugin for syntax errors by creating a prophecy of the class.
     *
     * An example of a syntax error is "Invalid tag_line detected".
     */
    public function testPluginSyntax() {
        $this->assertNotNull($this->prophesize(Get::class));
    }

}