function OpenTelemetryFrontPagePerformanceTest::testFrontPageHotCache

Logs front page tracing data with a hot cache.

Hot here means that all possible caches are warmed.

File

core/profiles/demo_umami/tests/src/FunctionalJavascript/OpenTelemetryFrontPagePerformanceTest.php, line 53

Class

OpenTelemetryFrontPagePerformanceTest

Tests demo_umami profile performance.

Namespace

Code

protected function testFrontPageHotCache() : void {
    // Request the page twice so that asset aggregates and image derivatives are
    // definitely cached in the browser cache. The first response builds the
    // file and serves from PHP with private, no-store headers. The second
    // request will get the file served directly from disk by the browser with
    // cacheable headers, so only the third request actually has the files
    // in the browser cache.
    $this->drupalGet('<front>');
    $this->drupalGet('<front>');
    $performance_data = $this->collectPerformanceData(function () {
        $this->drupalGet('<front>');
    }, 'umamiFrontPageHotCache');
    $this->assertSession()
        ->pageTextContains('Umami');
    $expected_queries = [];
    $recorded_queries = $performance_data->getQueries();
    $this->assertSame($expected_queries, $recorded_queries);
    $this->assertSame(0, $performance_data->getQueryCount());
    $this->assertSame(1, $performance_data->getCacheGetCount());
    $this->assertSame(0, $performance_data->getCacheSetCount());
    $this->assertSame(0, $performance_data->getCacheDeleteCount());
    $this->assertSame(0, $performance_data->getCacheTagChecksumCount());
    $this->assertSame(1, $performance_data->getCacheTagIsValidCount());
    $this->assertSame(0, $performance_data->getCacheTagInvalidationCount());
    $this->assertSame(1, $performance_data->getScriptCount());
    $this->assertLessThan(7500, $performance_data->getScriptBytes());
    $this->assertSame(2, $performance_data->getStylesheetCount());
    $this->assertLessThan(40400, $performance_data->getStylesheetBytes());
}