public void GivenZeroItems_ThenReturnsZeroItems()
{
var sorter = new LastNameSortStrategy();
var sortedPeople = sorter.Sort(new Person[0]);
Assert.AreEqual(0, sortedPeople.Count);
}
public void GivenOneItem_ThenReturnsOneItem()
{
var person = new Person("AFirst", "ALast");
var sorter = new LastNameSortStrategy();
var sortedPeople = sorter.Sort(new[] { person });
Assert.AreEqual(1, sortedPeople.Count);
Assert.AreEqual(person, sortedPeople[0]);
}
public void GivenUnsortedPeople_ThenPeopleAreSorted()
{
var personA = new Person("AFirst", "ALast");
var personB = new Person("BFirst", "BLast");
var sorter = new LastNameSortStrategy();
var sortedPeople = sorter.Sort(new[] { personB, personA });
Assert.AreEqual(2, sortedPeople.Count);
Assert.AreEqual(personA, sortedPeople[0]);
Assert.AreEqual(personB, sortedPeople[1]);
}
public void IntegrationTest()
{
var person1 = new Person("THEODORE", "BAKER");
var person2 = new Person("ANDREW", "SMITH");
var person3 = new Person("MADISON", "KENT");
var person4 = new Person("FREDRICK", "SMITH");
var sorter = new LastNameSortStrategy();
var sortedPeople = sorter.Sort(new[] { person1, person2, person3, person4 });
Assert.AreEqual(4, sortedPeople.Count);
Assert.AreEqual(person1, sortedPeople[0]);
Assert.AreEqual(person3, sortedPeople[1]);
Assert.AreEqual(person2, sortedPeople[2]);
Assert.AreEqual(person4, sortedPeople[3]);
}
