public void Calculate_FromInvalidFile() { //arrange var calculator = new FileCalculator(new FileProcessor()); //act calculator.Calculate(_testFileName); }
public void Calculate_FromValidFileInvalidCalculation() { //arrange string[] input = { @"1+x+4" }; processorMock.Setup(x => x.GetContent(_testFileName)).Returns(input); string[] actualResult = null; processorMock.Setup(x => x.WriteContent(It.IsAny <string>())).Callback((string[] output) => { actualResult = output; }); var calculator = new FileCalculator(processorMock.Object); //act calculator.Calculate(_testFileName); //assert Assert.AreEqual($"1+x+4 = {_errorMessage}", actualResult[0]); }
public void Calculate_FromValidFileDivisionByZero() { //arrange string[] input = { @"5/0" }; processorMock.Setup(x => x.GetContent(_testFileName)).Returns(input); string[] actualResult = null; processorMock.Setup(x => x.WriteContent(It.IsAny <string>())).Callback((string[] output) => { actualResult = output; }); var calculator = new FileCalculator(processorMock.Object); //act calculator.Calculate(_testFileName); //assert Assert.AreEqual("5/0 = Division by zero", actualResult[0]); }
public void Calculate_FromValidFileValidMultiLineCalculation() { //arrange string[] input = { @"2+15/3+4*2", @"1+2*(3+2)" }; processorMock.Setup(x => x.GetContent(_testFileName)).Returns(input); string[] actualResult = null; processorMock.Setup(x => x.WriteContent(It.IsAny <string[]>())).Callback((string[] output) => { actualResult = output; }); var calculator = new FileCalculator(processorMock.Object); //act calculator.Calculate(_testFileName); //assert Assert.AreEqual("2+15/3+4*2 = 15", actualResult[0]); Assert.AreEqual("1+2*(3+2) = 11", actualResult[1]); }