class SubstrTest

class SubstrTest extends MigrateProcessTestCase {
  
  /**
   * Tests Substr plugin based on providerTestSubstr() values.
   */
  public function testSubstr($start = NULL, $length = NULL, $expected = NULL) : void {
    $configuration['start'] = $start;
    $configuration['length'] = $length;
    $this->plugin = new Substr($configuration, 'map', []);
    $value = $this->plugin
      ->transform('Captain Janeway', $this->migrateExecutable, $this->row, 'destination_property');
    $this->assertSame($expected, $value);
  }
  
  /**
   * Data provider for testSubstr().
   */
  public static function providerTestSubstr() {
    return [
      // Tests with valid start and length values.
[
        0,
        7,
        'Captain',
      ],
      // Tests with valid start > 0 and valid length.
[
        6,
        3,
        'n J',
      ],
      // Tests with valid start < 0 and valid length.
[
        -7,
        4,
        'Jane',
      ],
      // Tests without start value and valid length value.
[
        NULL,
        7,
        'Captain',
      ],
      // Tests with valid start value and no length value.
[
        1,
        NULL,
        'aptain Janeway',
      ],
      // Tests without both start and length values.
[
        NULL,
        NULL,
        'Captain Janeway',
      ],
    ];
  }
  
  /**
   * Tests invalid input type.
   */
  public function testSubstrFail() : void {
    $configuration = [];
    $this->plugin = new Substr($configuration, 'map', []);
    $this->expectException(MigrateException::class);
    $this->expectExceptionMessage('The input value must be a string.');
    $this->plugin
      ->transform([
      'Captain Janeway',
    ], $this->migrateExecutable, $this->row, 'destination_property');
  }
  
  /**
   * Tests that the start parameter is an integer.
   */
  public function testStartIsString() : void {
    $configuration['start'] = '2';
    $this->plugin = new Substr($configuration, 'map', []);
    $this->expectException(MigrateException::class);
    $this->expectExceptionMessage('The start position configuration value should be an integer. Omit this key to capture from the beginning of the string.');
    $this->plugin
      ->transform([
      'foo',
    ], $this->migrateExecutable, $this->row, 'destination_property');
  }
  
  /**
   * Tests that the length parameter is an integer.
   */
  public function testLengthIsString() : void {
    $configuration['length'] = '1';
    $this->plugin = new Substr($configuration, 'map', []);
    $this->expectException(MigrateException::class);
    $this->expectExceptionMessage('The character length configuration value should be an integer. Omit this key to capture from the start position to the end of the string.');
    $this->plugin
      ->transform([
      'foo',
    ], $this->migrateExecutable, $this->row, 'destination_property');
  }

}