public void Adding_custom_methods_to_the_builder_builder_to_increase_expressiveness()
{
/*
* Modify the CustomerBuilder to easily specify the customer is a minor (under 21).
*/
#region Hint
/*
* Create CustomerBuilder.WhoIsAMinor() method to generate the birthdate for someone under 21.
* Don't forget to call that method before buiding.
*/
#endregion Hint
customer = __;
// Assert.
customer.Print();
var age = YearsBetween( customer.BirthDate, DateTime.Now );
age.ShouldBeLessThan( 21 );
}
public void Using_DynamicFluentBuilder_to_build_an_object()
{
/*
* Use Fluency's DynamicFluentBuilder<> class to build a Customer object.
* Don't forget to call build() to create the customer.
*/
customer = __;
// Assert.
customer.Print();
customer.FirstName.ShouldNotBeEmpty();
customer.MiddleName.ShouldNotBeEmpty();
customer.LastName.ShouldNotBeEmpty();
}
public void Using_Having_and_With_to_set_property_values()
{
/*
* Set the Customer's first and last name in the builder.
*/
#region Hint
/*
* Use the With or Having methods.
*/
#endregion Hint
customer = __;
// Assert.
customer.Print();
customer.FirstName.ShouldBe( "Bob" );
customer.LastName.ShouldBe( "Smith" );
}
public void Customizing_the_builder_to_satisfy_invariants()
{
/*
* Create a customer builder that ensures that:
* (1) The CustomerSinceDate is greater than the Birthdate, and
* (2) Both dates are in the past.
*/
#region Hint
/*
* Create a CustomerBuilder and set these values in its constructor.
* Use methods on the ARandom class like ARandom.BirthDate() and ARandom.DateInPastSince( date ) to generate random values.
* USe GetValue to retrieve property values you have already set.
* i.e. use GetValue( x => x.BirthDate) to retrieve the birthdate so you can generate a later CustomerSinceDate.
*/
#endregion Hint
#region Extra Credit
/*
* Ensure that the customer is 18 years or older.
*/
#endregion Extra Credit
#region Extra Credit Hint
/*
* Generate an age >18 and using ARandom.IntBetween().
* Reverse engineer a birthdate from the age using ARandom.BithDateForAge().
* Generate a CustSinceDate that is after their 18th birthday.
*/
#endregion Extra Credit Hint
customer = __;
// Assert.
customer.Print();
customer.BirthDate.ShouldBeLessThan( DateTime.Now );
customer.CustomerSinceDate.ShouldBeLessThan( DateTime.Now );
customer.CustomerSinceDate.ShouldBeGreaterThan( customer.BirthDate );
// Extra Credit. (uncomment the following line to test it)
// customer.BirthDate.ShouldBeLessThan( DateTime.Now.AddYears( -18 ) );
// customer.CustomerSinceDate.ShouldBeGreaterThan( customer.BirthDate.AddYears( 18 ) );
}
