public void Adding_new_contact_works()
{
var firstname = NonEmptyStringOO.CreateBang("Homer");
var lastname = NonEmptyStringOO.CreateBang("Simpson");
var id = Guid.NewGuid();
var dob = Some(new DateTime(1956, 5, 12));
var twitterProfileUrl = NonEmptyStringOO.Create("https://twitter.com/homerjsimpson");
var address = None;
var contact = new ContactOO(
id,
firstname,
lastname,
dob,
twitterProfileUrl,
address,
new EmailContact());
var sut = new AddressbookOO();
// important design decision: do we have state in Addressbook or not?
// should the following code return a modified list or have internal state?
//
// with state
sut.Contacts.Should().BeEmpty();
sut.AddContact(contact);
sut.Contacts.Should().HaveCount(1, "we added 1 contact");
}
public void Changing_optional_twitter_url_works_and_does_not_modify_id(string newTwitterUrl, bool isValid)
{
// Arrange
var contact = CreateHomer();
var twitterUrl = NonEmptyStringOO.Create(newTwitterUrl);
// Act
var result = contact.ChangeTwitterUrl(twitterUrl);
// Assert
result.TwitterProfileUrl.Should().Be(isValid ? twitterUrl : F.None);
result.Id.Should().Be(contact.Id);
}
public void NonEmptyStringOO_extension_handles_input_as_expected(string input, bool shouldPass)
{
var result = NonEmptyStringOO.Create(input);
if (shouldPass)
{
result.Should().BeEqualToNonEmptyString(input);
result.Should().NotBeEqualNonEmptyString(input + "x");
}
else
{
result.Should().BeNone();
}
}
public void NonEmptyStringOO_creation_works(string input, bool isValid)
{
// Act
var result = NonEmptyStringOO.Create(input);
// Assert
result.Should()
.NotBeNull()
.And.BeOfType <Option <NonEmptyStringOO> >();
result.Match(
() => isValid.Should().BeFalse(),
x => x.Value.Should().Be(isValid ? input : null));
}
public void Changing_name_works_and_does_not_modify_id(
string newFirstName, string newLastName,
bool isFirstNameValid, bool isLastNameValid)
{
// Arrange
var contact = CreateHomer();
// Act
var result = contact
.ChangeFirstName(NonEmptyStringOO.Create(newFirstName))
.ChangeLastName(NonEmptyStringOO.Create(newLastName));
// Assert
result.FirstName.Value.Should().Be(isFirstNameValid ? newFirstName : contact.FirstName.Value);
result.LastName.Value.Should().Be(isLastNameValid ? newLastName : contact.LastName.Value);
result.Id.Should().Be(contact.Id);
}
private static ContactOO CreateHomer()
{
var firstname = NonEmptyStringOO.CreateBang("Homer");
var lastname = NonEmptyStringOO.CreateBang("Simpson");
var id = Guid.NewGuid();
var dateOfBirth = new DateTime(1956, 5, 12);
var dob = F.Some(dateOfBirth);
var twitterProfileUrl = NonEmptyStringOO.Create("https://twitter.com/homerjsimpson");
var address = F.None;
var contact = new ContactOO(id, firstname, lastname,
dob, twitterProfileUrl, address, new EmailContact());
return(contact);
}