PhilippBaschke\ACFProInstaller\Test\PluginTest::testAddKeyFromDotEnv PHP Method

    public function testAddKeyFromDotEnv()
    {
        // The key that should be available in the .env file
        $key = 'DOT_ENV_KEY';
        // Make key available in the .env file
        file_put_contents(getcwd() . DIRECTORY_SEPARATOR . '.env', self::KEY_ENV_VARIABLE . '=' . $key);
        // Mock a RemoteFilesystem
        $rfs = $this->getMockBuilder('Composer\\Util\\RemoteFilesystem')->disableOriginalConstructor()->setMethods(['getOptions', 'isTlsDisabled'])->getMock();
        $rfs->expects($this->once())->method('getOptions')->willReturn([]);
        $rfs->expects($this->once())->method('isTlsDisabled')->willReturn(true);
        // Mock Config
        $config = $this->getMockBuilder('Composer\\Config')->getMock();
        // Mock Composer
        $composer = $this->getMockBuilder('Composer\\Composer')->setMethods(['getConfig'])->getMock();
        $composer->expects($this->once())->method('getConfig')->willReturn($config);
        // Mock IOInterface
        $io = $this->getMockBuilder('Composer\\IO\\IOInterface')->getMock();
        // Mock an Event
        $event = $this->getMockBuilder('Composer\\Plugin\\PreFileDownloadEvent')->disableOriginalConstructor()->setMethods(['getProcessedUrl', 'getRemoteFilesystem', 'setRemoteFilesystem'])->getMock();
        $event->expects($this->once())->method('getProcessedUrl')->willReturn(self::REPO_URL);
        $event->expects($this->once())->method('getRemoteFilesystem')->willReturn($rfs);
        $event->expects($this->once())->method('setRemoteFilesystem')->with($this->callback(function ($rfs) use($key) {
            $this->assertAttributeContains("&k={$key}", 'acfFileUrl', $rfs);
            return true;
        }));
        // Call addKey
        $plugin = new Plugin();
        $plugin->activate($composer, $io);
        $plugin->addKey($event);
    }