public void MaybeMonadTest3()
{
//Arrange
string expected = "PostalCodeIsEmpty";
Person person = new Person { Adress = new Address { PostalCode = "Blah22" }, Name = "NameLongerThanFour"};
//Act
var result = person.ToMaybe()
.Where(x => x.Name.Length < 4)
.With(x => x.Adress)
.Return(x => x.PostalCode, "PostalCodeIsEmpty");
InnerOutputWriter.WriteLine("result = {0}", result);
//Assert
result.Should().Be(expected, "For a person with a name longer than four characters we expect the postalcode to be the default value");
InnerOutputWriter.WriteLine("succes");
}
public void MaybeMonadTest1()
{
//Arrange
Person person = new Person();
string expected = "PostalCodeIsEmpty";
//Act
var result = person.ToMaybe()
.With(x => x.Adress)
.Return(x => x.PostalCode, "PostalCodeIsEmpty");
InnerOutputWriter.WriteLine("result = {0}", result);
//Assert
result.Should().Be(expected, "For an empty postalcode we expect the result to be the default value");
InnerOutputWriter.WriteLine("succes");
}
public void MaybeMonadTest2()
{
//Arrange
string expected = "Blah22";
Person person = new Person {Adress = new Address { PostalCode = expected}};
//Act
var result = person.ToMaybe()
.With(x => x.Adress)
.Return(x => x.PostalCode, "PostalCodeIsEmpty");
InnerOutputWriter.WriteLine("result = {0}", result);
//Assert
result.Should().Be(expected, "When the postalcode not is null we expect the result to be the postalcode");
InnerOutputWriter.WriteLine("succes");
}
