createMock( MessageLocalizer::class ); // Adjusting mock to prevent calling the service container. $localizer->method( 'msg' ) ->willReturnCallback( function ( $key ) use ( $accessKeyHint ) { // Directly create Message object without accessing real message texts // to avoid 'Premature access to service container' error. return $this->createConfiguredMock( Message::class, [ 'exists' => true, 'text' => $key === $accessKeyHint . '-label' ? 'Mock aria label' : $key, '__toString' => 'Mock aria label', ] ); } ); // Create the component $linkComponent = new VectorComponentLink( $href, $text, $icon, $localizer, $accessKeyHint ); $actual = $linkComponent->getTemplateData(); // Assert the expected values $this->assertEquals( $icon, $actual['icon'] ); $this->assertEquals( $text, $actual['text'] ); $this->assertEquals( $href, $actual['href'] ); // New assertions for HTML attributes $expectedTitle = "tooltip-sample-accesskeyword-separatorbrackets"; $expectedAriaLabel = "Mock aria label"; $attributesString = $actual['html-attributes']; // Assert that the expected attributes are present in the string $this->assertStringContainsString( 'title="' . $expectedTitle . '"', $attributesString ); $this->assertStringContainsString( 'aria-label="' . $expectedAriaLabel . '"', $attributesString ); } }