PHPUnit Test : Write a Test Method Very Quickly For Your Actual Method!

I have written a single method 'testPhpUnit' inside Utility.php which will run 2 times through the data provider method 'providerTestPhpUnit'.

One will be succeeded and another will fail.

/**

 * @file

 * Unit tests (PHPUnit) to test your methods.

 */

/**

 * Class UnitTestUtilityValidate.

 */

class UnitTestUtilityValidate extends PHPUnit_Framework_TestCase {

/**

   * Test method.

   *

   * @param string $test_string

   *   The string to be tested.

   * @param string $expected_string

   *   The string we are expecting.

   *

   * @dataProvider providerTestPhpUnit

   */

  public function testPhpUnit($test_string, $expected_string) {

    $this->assertEquals($test_string, $expected_string);

  }

​

  /**

   * Data provider to testPhpUnit().

   *

   * @see testPhpUnit

   */

  public function providerTestPhpUnit() {

​

    

    $arr_csv_data[0][0] = xyz::actualMethodToBeTest('Hello');

    $arr_csv_data[0][1] = 'Hello';

​

    $arr_csv_data[1][0] = xyz::actualMethodToBeTest('Hello1');

    $arr_csv_data[1][1] = 'Hello2';

​

    return $arr_csv_data;

  }

}

/**

 * Class xyz.

 * 

 * Actual class where your actual method will be implemented.

 */

Class xyz {

  /**

   * Actual method to be tested.

   *

   * @param string $val

   *   The string we are testing.

   *

   * return string

   *   The output value that we need to test against the expected value.

   */

  public static function actualMethodToBeTest(string $val) {

    return $val;

  }

}

$ phpunit -c phpunit.xml --filter 'UnitTestUtilityValidate::testPhpUnit' UnitTestUtilityValidate /www/demodrupal/sites/all/modules/custom/utility/unit_tests/UnitTestUtilityValidate.php