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')
      ->will($this->returnValue('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')
      ->will($this->returnCallback(function ($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')
      ->will($this->returnValue('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')
      ->will($this->returnCallback(function ($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, e.g. "Invalid tag_line detected" by
   * creating a prophecy of the class.
   */
  public function testPluginSyntax() {
    $this->assertNotNull($this->prophesize(Get::class));
  }

}