public void Convert_ForAllCultures_ReturnsTheExpectedValue()
{
// Arrange
var originalCulture = Thread.CurrentThread.CurrentCulture;
var testSubject = new ShortIsoDateTimeOffsetConverter();
var jsonWriterMock = new Mock <JsonWriter>();
// add ticks to the date to be sure that zeros are not automatically stripped out
var dateTimeOffset = new DateTimeOffset(2017, 12, 23, 8, 25, 35, 456, TimeSpan.FromHours(1)).AddTicks(123);
var results = new List <Tuple <string, CultureInfo> >();
jsonWriterMock.Setup(x => x.WriteValue(It.IsAny <string>()))
.Callback <string>(s => results.Add(new Tuple <string, CultureInfo>(s, Thread.CurrentThread.CurrentCulture)));
var cultureCount = 0;
// Act
try
{
var allCultures = CultureInfo.GetCultures(CultureTypes.AllCultures);
cultureCount = allCultures.Length;
foreach (var culture in allCultures)
{
Thread.CurrentThread.CurrentCulture = culture;
testSubject.WriteJson(jsonWriterMock.Object, dateTimeOffset, null);
}
}
finally
{
Thread.CurrentThread.CurrentCulture = originalCulture;
}
// This variable is used to display properly the culture and the value when there is an error
var nonMatchingDates = results.Where(x => x.Item1 != "2017-12-23T08:25:35.456+01:00")
.Select(x => $"{x.Item2.EnglishName} => {x.Item1}")
.ToList();
// Assert
results.Should().HaveCount(cultureCount);
nonMatchingDates.Should().BeEmpty();
}
public void Convert_AlwaysReturnsAFixedSizeString()
{
// Arrange
var testSubject = new ShortIsoDateTimeOffsetConverter();
var jsonWriterMock = new Mock <JsonWriter>();
var resultLengths = new List <int>();
jsonWriterMock.Setup(x => x.WriteValue(It.IsAny <string>()))
.Callback <string>(s => resultLengths.Add(s.Length));
// Act
testSubject.WriteJson(jsonWriterMock.Object, new DateTimeOffset(), null);
testSubject.WriteJson(jsonWriterMock.Object, new DateTimeOffset(DateTime.Now), null);
testSubject.WriteJson(jsonWriterMock.Object, new DateTimeOffset(DateTime.UtcNow, TimeSpan.Zero), null);
testSubject.WriteJson(jsonWriterMock.Object, new DateTimeOffset(1, TimeSpan.Zero), null);
testSubject.WriteJson(jsonWriterMock.Object, new DateTimeOffset(1, 1, 1, 1, 1, 1, TimeSpan.Zero), null);
testSubject.WriteJson(jsonWriterMock.Object, new DateTimeOffset(1, 1, 1, 1, 1, 1, 1, TimeSpan.Zero), null);
testSubject.WriteJson(jsonWriterMock.Object, new DateTimeOffset(1, 1, 1, 1, 1, 1, 1, new JapaneseCalendar(), TimeSpan.FromHours(1)), null);
// Assert
resultLengths.Should().HaveCount(7);
resultLengths.Should().AllBeEquivalentTo(29);
}
