LibraryDiscoveryCollector example

  public function testResolveCacheMiss() {
    $this->activeTheme = $this->getMockBuilder(ActiveTheme::class)
      ->disableOriginalConstructor()
      ->getMock();
    $this->themeManager->expects($this->exactly(5))
      ->method('getActiveTheme')
      ->willReturn($this->activeTheme);
    $this->activeTheme->expects($this->once())
      ->method('getName')
      ->willReturn('kitten_theme');
    $this->libraryDiscoveryCollector = new LibraryDiscoveryCollector($this->cache, $this->lock, $this->libraryDiscoveryParser, $this->themeManager);

    $this->libraryDiscoveryParser->expects($this->once())
      ->method('buildByExtension')
      ->with('test')
      ->willReturn($this->libraryData);

    $this->assertSame($this->libraryData, $this->libraryDiscoveryCollector->get('test'));
    $this->assertSame($this->libraryData, $this->libraryDiscoveryCollector->get('test'));
  }

  /** * Tests the destruct method. * * @covers ::destruct */