public void TransformToInfFile_WithNonExistingFileFilename_ReturnsEmptyString() { var filename = Fixture.CreateFilePath(extension: "pdf"); FileMock.Exists(filename).Returns(false); var directConversion = Fixture.Create <DirectConversionBase>(); var infFile = directConversion.TransformToInfFile(filename); Assert.AreEqual("", infFile); }