public void CreateWithNullContextThrowsArgumentNullException()
{
// Fixture setup
var sut = new RandomDateTimeSequenceGenerator();
// Exercise system and verify outcome
Assert.Throws<ArgumentNullException>(
() => sut.Create(typeof(DateTime), null));
// Teardown
}
public void SutIsSpecimenBuilder()
{
// Fixture setup
// Exercise system
var sut = new RandomDateTimeSequenceGenerator();
// Verify outcome
Assert.IsAssignableFrom<ISpecimenBuilder>(sut);
// Teardown
}
public void CreateWithNonTypeRequestReturnsNoSpecimen(object request)
{
// Fixture setup
var sut = new RandomDateTimeSequenceGenerator();
// Exercise system
var dummyContainer = new DelegatingSpecimenContext();
var result = sut.Create(request, dummyContainer);
// Verify outcome
Assert.Equal(new NoSpecimen(request), result);
// Teardown
}
public void CreateWithDateTimeRequestAndDateRangeReturnsDateWithinThatRange()
{
// Fixture setup
var minDate = DateTime.Now;
var maxDate = minDate.AddDays(3);
var sut = new RandomDateTimeSequenceGenerator(minDate, maxDate);
// Exercise system
var dummyContainer = new DelegatingSpecimenContext();
var result = (DateTime)sut.Create(typeof(DateTime), dummyContainer);
// Verify outcome
Assert.InRange(result, minDate, maxDate);
// Teardown
}
public void CreateWithMultipleDateTimeRequestsReturnsDifferentDates()
{
// Fixture setup
const int requestCount = 10;
var times = Enumerable.Range(1, requestCount);
var sut = new RandomDateTimeSequenceGenerator();
// Exercise system
var dummyContainer = new DelegatingSpecimenContext();
var results = times
.Select(t => sut.Create(typeof(DateTime), dummyContainer))
.Cast<DateTime>();
// Verify outcome
Assert.Equal(requestCount, results.Distinct().Count());
// Teardown
}
public void CreateWithDateTimeRequestReturnsADateWithinARangeOfPlusMinusTwoYearsFromToday()
{
// Fixture setup
var twoYearsAgo = DateTime.Today.AddYears(-2);
var twoYearsForward = DateTime.Today.AddYears(2);
var sut = new RandomDateTimeSequenceGenerator();
// Exercise system
var dummyContainer = new DelegatingSpecimenContext();
var result = (DateTime)sut.Create(typeof(DateTime), dummyContainer);
// Verify outcome
Assert.InRange(result, twoYearsAgo, twoYearsForward);
// Teardown
}
public void CreateWithDateTimeRequestReturnsDateTimeValue()
{
// Fixture setup
var sut = new RandomDateTimeSequenceGenerator();
// Exercise system
var dummyContainer = new DelegatingSpecimenContext();
var result = sut.Create(typeof(DateTime), dummyContainer);
// Verify outcome
Assert.IsAssignableFrom<DateTime>(result);
// Teardown
}