public void ActivateStaging_MovedStagingToActiveDirectory() { var fileSystem = new MockFileSystem(new Dictionary <string, MockFileData>() { { Path.Combine(InstallPath, "filetocopy.txt"), new MockFileData("file contents") }, { Path.Combine(StagingDir, "SomeApplicationFile.dll"), new MockFileData(new byte[0]) } }); var app = new Application(_appMap.Object, fileSystem, _log.Object, _instanceConfig, _installationLock.Object, _output); app.ActivateStaging(); Assert.That(fileSystem.FileExists(Path.Combine(InstallPath, "SomeApplicationFile.dll")), Is.True); }