public void GetOriginalTempFilePathTest() { //Arrange _fileSystem.Setup(m => m.PathCombine(NewTempPath, TempFileManager.OriginalFile)).Returns(TempFilePath); //Act var filePath = _tempFileManager.GetOriginalTempFilePath(); //Assert Assert.AreEqual(TempFilePath, filePath); _fileSystem.Verify(m => m.CreateDirectory(NewTempPath), Times.Once()); }