public void GenerateUniqueFileName_SupplyFileAndGeneratorAndPosition_ReturnsFileNameWithExtensionWithProperlyPositionedUniqueString(UniqueCharsPosition position, string expectedResult) { // arrange AppFile file = new AppFile(); file.FileNameFull = "TestFileName.extension"; file.FileNameWithoutExtension = "TestFileName"; file.FileExtension = ".extension"; Mock<IUniqueCharsGenerator> generatorMock = new Mock<IUniqueCharsGenerator>(); generatorMock.Setup(s => s.Generate()).Returns("UniqueCharsSequence"); FileHelper fileHelper = new FileHelper(); // act string result = fileHelper.GenerateUniqueFileName(file, generatorMock.Object, position); //assert Assert.AreEqual(expectedResult, result); }
public void GenerateUniqueFileName_GeneratorArgumentIsNotSupplied_ThrowsGeneratorArgumentNullException() { // arrange FileHelper fileHelper = new FileHelper(); AppFile file = new AppFile(); TestDelegate testDelegate = () => fileHelper.GenerateUniqueFileName(file, null, It.IsAny<UniqueCharsPosition>()); // act, assert Assert.That(testDelegate, Throws.Exception.TypeOf<ArgumentNullException>().With.Property("ParamName").EqualTo("generator")); }