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- <?php
- namespace Drupal\Tests\block\Functional;
- use Drupal\Tests\BrowserTestBase;
- /**
- * Tests block module's installation.
- *
- * @group block
- */
- class BlockInstallTest extends BrowserTestBase {
- public function testCacheTagInvalidationUponInstallation() {
- // Warm the page cache.
- $this->drupalGet('');
- $this->assertNoText('Powered by Drupal');
- $this->assertSession()->responseHeaderNotContains('X-Drupal-Cache-Tags', 'config:block_list');
- // Install the block module, and place the "Powered by Drupal" block.
- $this->container->get('module_installer')->install(['block', 'shortcut']);
- $this->rebuildContainer();
- $this->container->get('router.builder')->rebuild();
- $this->drupalPlaceBlock('system_powered_by_block');
- // Check the same page, block.module's hook_install() should have
- // invalidated the 'rendered' cache tag to make blocks show up.
- $this->drupalGet('');
- $this->assertCacheTag('config:block_list');
- $this->assertText('Powered by Drupal');
- }
- }
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