class WebAssertTest

class WebAssertTest extends BrowserTestBase {
  
  /**
   * {@inheritdoc}
   */
  protected static $modules = [
    'test_page_test',
  ];
  
  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';
  
  /**
   * Tests WebAssert::responseHeaderExists().
   *
   * @covers ::responseHeaderExists
   */
  public function testResponseHeaderExists() {
    $this->drupalGet('test-null-header');
    $this->assertSession()
      ->responseHeaderExists('Null-Header');
    $this->expectException(AssertionFailedError::class);
    $this->expectExceptionMessage("Failed asserting that the response has a 'does-not-exist' header.");
    $this->assertSession()
      ->responseHeaderExists('does-not-exist');
  }
  
  /**
   * Tests WebAssert::responseHeaderDoesNotExist().
   *
   * @covers ::responseHeaderDoesNotExist
   */
  public function testResponseHeaderDoesNotExist() {
    $this->drupalGet('test-null-header');
    $this->assertSession()
      ->responseHeaderDoesNotExist('does-not-exist');
    $this->expectException(AssertionFailedError::class);
    $this->expectExceptionMessage("Failed asserting that the response does not have a 'Null-Header' header.");
    $this->assertSession()
      ->responseHeaderDoesNotExist('Null-Header');
  }
  
  /**
   * @covers ::pageTextMatchesCount
   */
  public function testPageTextMatchesCount() {
    $this->drupalLogin($this->drupalCreateUser());
    // Visit a Drupal page that requires login.
    $this->drupalGet('test-page');
    $this->assertSession()
      ->pageTextMatchesCount(1, '/Test page text\\./');
    $this->expectException(AssertionFailedError::class);
    $this->expectExceptionMessage("Failed asserting that the page matches the pattern '/does-not-exist/' 1 time(s), 0 found.");
    $this->assertSession()
      ->pageTextMatchesCount(1, '/does-not-exist/');
  }
  
  /**
   * @covers ::pageTextContainsOnce
   */
  public function testPageTextContainsOnce() {
    $this->drupalLogin($this->drupalCreateUser());
    // Visit a Drupal page that requires login.
    $this->drupalGet('test-page');
    $this->assertSession()
      ->pageTextContainsOnce('Test page text.');
    $this->expectException(ResponseTextException::class);
    $this->expectExceptionMessage("Failed asserting that the page matches the pattern '/does\\-not\\-exist/ui' 1 time(s), 0 found.");
    $this->assertSession()
      ->pageTextContainsOnce('does-not-exist');
  }
  
  /**
   * @covers ::elementTextEquals
   */
  public function testElementTextEquals() : void {
    $this->drupalGet('test-page');
    $this->assertSession()
      ->elementTextEquals('xpath', '//h1', 'Test page');
    $this->expectException(AssertionFailedError::class);
    $this->expectExceptionMessage("Failed asserting that the text of the element identified by '//h1' equals 'Foo page'.");
    $this->assertSession()
      ->elementTextEquals('xpath', '//h1', 'Foo page');
  }
  
  /**
   * @covers ::addressEquals
   */
  public function testAddressEquals() : void {
    $this->drupalGet('test-page');
    $this->assertSession()
      ->addressEquals('test-page');
    $this->assertSession()
      ->addressEquals('test-page?');
    $this->assertSession()
      ->addressNotEquals('test-page?a=b');
    $this->assertSession()
      ->addressNotEquals('other-page');
    $this->drupalGet('test-page', [
      'query' => [
        'a' => 'b',
        'c' => 'd',
      ],
    ]);
    $this->assertSession()
      ->addressEquals('test-page');
    $this->assertSession()
      ->addressEquals('test-page?a=b&c=d');
    $this->assertSession()
      ->addressEquals(Url::fromRoute('test_page_test.test_page', [], [
      'query' => [
        'a' => 'b',
        'c' => 'd',
      ],
    ]));
    $this->assertSession()
      ->addressNotEquals('test-page?c=d&a=b');
    $this->assertSession()
      ->addressNotEquals('test-page?a=b');
    $this->assertSession()
      ->addressNotEquals('test-page?a=b&c=d&e=f');
    $this->assertSession()
      ->addressNotEquals('other-page');
    $this->assertSession()
      ->addressNotEquals('other-page?a=b&c=d');
    $this->expectException(ExpectationException::class);
    $this->expectExceptionMessage('Current page is "/test-page?a=b&c=d", but "/test-page?a=b&c=e" expected.');
    $this->assertSession()
      ->addressEquals('test-page?a=b&c=e');
  }
  
  /**
   * @covers ::addressNotEquals
   */
  public function testAddressNotEqualsException() : void {
    $this->drupalGet('test-page', [
      'query' => [
        'a' => 'b',
        'c' => 'd',
      ],
    ]);
    $this->expectException(ExpectationException::class);
    $this->expectExceptionMessage('Current page is "/test-page?a=b&c=d", but should not be.');
    $this->assertSession()
      ->addressNotEquals('test-page?a=b&c=d');
  }

}