function BigPipeRegressionTest::testBigPipeLargeContent

Tests BigPipe large content.

Repeat loading of same page for two times, after second time the page is cached and the bug consistently reproducible.

File

core/modules/big_pipe/tests/src/FunctionalJavascript/BigPipeRegressionTest.php, line 134

Class

BigPipeRegressionTest

BigPipe regression tests.

Namespace

Code

public function testBigPipeLargeContent() : void {
    $user = $this->drupalCreateUser();
    $this->drupalLogin($user);
    $assert_session = $this->assertSession();
    $this->drupalGet(Url::fromRoute('big_pipe_test_large_content'));
    $this->assertNotNull($assert_session->waitForElement('css', 'script[data-big-pipe-event="stop"]'));
    $this->assertCount(0, $this->getDrupalSettings()['bigPipePlaceholderIds']);
    $this->assertCount(2, $this->getSession()
        ->getPage()
        ->findAll('css', 'script[data-big-pipe-replacement-for-placeholder-with-id]'));
    $assert_session->elementExists('css', '#big-pipe-large-content');
    $this->drupalGet(Url::fromRoute('big_pipe_test_large_content'));
    $this->assertNotNull($assert_session->waitForElement('css', 'script[data-big-pipe-event="stop"]'));
    $this->assertCount(0, $this->getDrupalSettings()['bigPipePlaceholderIds']);
    $this->assertCount(2, $this->getSession()
        ->getPage()
        ->findAll('css', 'script[data-big-pipe-replacement-for-placeholder-with-id]'));
    $assert_session->elementExists('css', '#big-pipe-large-content');
}