class PerformanceTest

class PerformanceTest extends PerformanceTestBase {
    
    /**
     * {@inheritdoc}
     */
    protected $profile = 'demo_umami';
    
    /**
     * Just load the front page.
     */
    public function testPagesAnonymous() : void {
        $performance_data = $this->collectPerformanceData(function () {
            $this->drupalGet('<front>');
        });
        $this->assertSession()
            ->pageTextContains('Umami');
        $this->assertSame(2, $performance_data->getStylesheetCount());
        $this->assertSame(1, $performance_data->getScriptCount());
        $performance_data = $this->collectPerformanceData(function () {
            $this->drupalGet('node/1');
        });
        $this->assertSame(2, $performance_data->getStylesheetCount());
        $this->assertSame(1, $performance_data->getScriptCount());
    }
    
    /**
     * Load the front page as a user with access to Toolbar.
     */
    public function testFrontPagePerformance() : void {
        $admin_user = $this->drupalCreateUser([
            'access toolbar',
        ]);
        $this->drupalLogin($admin_user);
        $performance_data = $this->collectPerformanceData(function () {
            $this->drupalGet('<front>');
        });
        $this->assertSession()
            ->pageTextContains('Umami');
        $this->assertSame(2, $performance_data->getStylesheetCount());
        $this->assertSame(2, $performance_data->getScriptCount());
    }

}