function BigPipeTest::testBigPipeMultiOccurrencePlaceholders

Tests BigPipe with a multi-occurrence placeholder.

File

core/modules/big_pipe/tests/src/Functional/BigPipeTest.php, line 308

Class

BigPipeTest

Tests BigPipe's no-JS detection & response delivery (with and without JS).

Namespace

Code

public function testBigPipeMultiOccurrencePlaceholders() : void {
  $this->drupalLogin($this->rootUser);
  $this->assertSessionCookieExists('1');
  $this->assertBigPipeNoJsCookieExists('0');
  // By not calling performMetaRefresh() here, we simulate JavaScript being
  // enabled, because as far as the BigPipe module is concerned, JavaScript is
  // enabled in the browser as long as the BigPipe no-JS cookie is *not* set.
  // @see setUp()
  // @see performMetaRefresh()
  $this->drupalGet(Url::fromRoute('big_pipe_test_multi_occurrence'));
  $this->assertSession()
    ->pageTextContains('The count is 1.');
  $this->assertSession()
    ->responseNotContains('The count is 2.');
  $this->assertSession()
    ->responseNotContains('The count is 3.');
  // By calling performMetaRefresh() here, we simulate JavaScript being
  // disabled, because as far as the BigPipe module is concerned, it is
  // enabled in the browser when the BigPipe no-JS cookie is set.
  // @see setUp()
  // @see performMetaRefresh()
  $this->performMetaRefresh();
  $this->assertBigPipeNoJsCookieExists('1');
  $this->drupalGet(Url::fromRoute('big_pipe_test_multi_occurrence'));
  $this->assertSession()
    ->pageTextContains('The count is 1.');
  $this->assertSession()
    ->responseNotContains('The count is 2.');
  $this->assertSession()
    ->responseNotContains('The count is 3.');
}