// In xUnit ctor can setup
public BetterYearProviderTest()
{
// Arrange
var dateTimeProviderMock = new Mock <IDateTimeProvider>();
dateTimeProviderMock.Setup(x => x.Now).Returns(new DateTime(ExpectedYear, 5, 10, 11, 5, 13));
this.yearProvider = new BetterYearProvider(dateTimeProviderMock.Object);
}
[InlineData(2100)] // Failure
public void Given_YearIsLeap_When_CheckingIfIsLeap_Then_ReturnsTrue(int leapYear)
{
// Arrange
var dateTimeProviderMock = new Mock <IDateTimeProvider>();
dateTimeProviderMock.Setup(x => x.Now).Returns(new DateTime(leapYear, 1, 1));
var provider = new BetterYearProvider(dateTimeProviderMock.Object);
// Act
bool isLeapYear = provider.IsLeap;
// Assert
Assert.True(isLeapYear);
}
public void Given_DateIsIn2016Year_When_GetYear_Then_Return2016()
{
// Arrange
const int ExpectedYear = 2016;
var dateTimeProviderMock = new Mock <IDateTimeProvider>();
dateTimeProviderMock.Setup(x => x.Now).Returns(new DateTime(ExpectedYear, 10, 1));
var provider = new BetterYearProvider(dateTimeProviderMock.Object);
// Act
int currentYear = provider.CurrentYear;
// Assert
Assert.Equal(ExpectedYear, currentYear);
}
public void Given_DateIn2016_When_CheckYearAndNextYear_Then_2016And2017()
{
// Arrange
const int ExpectedYear = 2016;
var dateTimeProviderMock = new Mock <IDateTimeProvider>();
dateTimeProviderMock.Setup(x => x.Now).Returns(new DateTime(ExpectedYear, 5, 10, 11, 5, 13));
var yearProvider = new BetterYearProvider(dateTimeProviderMock.Object);
// Act
int currentYear = yearProvider.CurrentYear;
int nextYear = yearProvider.NextYear;
// Assert
Assert.Equal(ExpectedYear, currentYear);
Assert.Equal(ExpectedYear + 1, nextYear);
}
