public void ChangeCPAmount_WhenDatabaseThrowsError_ShouldThrowException() { //Arrange mockDataAccess .Setup(x => x.ExecuteNonQuery( It.IsAny <string>(), "prc_ISISProgramRequestChangeCPAmounts", It.IsAny <CommandType>(), It.IsAny <SqlParameter[]>(), ref It.Ref <List <SqlParameter> > .IsAny)) .Throws <Exception>(); //Act and Assert Assert.Throws <Exception>(() => programRequest.ChangeCPAmount(10, 1, 100, 100, DateTime.Now)); mockExceptionHandling.VerifyAll(); }