public void FindAllFavouriteColours_AllThePeople_ReturnsUniqueColours()
{
// Arrange
var people = TestData.AllThePeople;
// Act
var result = AdvancedLinq.FindAllFavouriteColours(people);
// Assert
result.Should().NotBeNull();
}
public void FindAllFavouriteColours_EmptyList_ReturnsEmptyList()
{
// Arrange
var people = TestData.NoPeople;
// Act
var result = AdvancedLinq.FindAllFavouriteColours(people);
// Assert
result.Should().BeEmpty();
}
public void FindAllFavouriteColours_AbbySmith_ReturnsSingleElement()
{
// Arrange
var people = TestData.AbbySmith;
// Act
var result = AdvancedLinq.FindAllFavouriteColours(people);
// Assert
var colour = result.Should().ContainSingle().Subject;
colour.Should().Be(Colour.Blue);
}
public void FindAllFavouriteColours_Everyone_ReturnsUniqueColours()
{
// Arrange
var people = TestData.LotsOfPeople;
// Act
var result = AdvancedLinq.FindAllFavouriteColours(people);
// Assert
result.Should().BeEquivalentTo(new List <Colour>
{
Colour.Blue,
Colour.Orange,
Colour.Purple,
Colour.Green
});
}