/// <summary>
/// При успешном коде ответа, возвращает объект типа <see cref="ResultOf{T}" /> в состоянии 'Success'.
/// При ответе <see cref="HttpStatusCode.NotFound"/> возвращает <see cref="ResultOf{T}" /> в состоянии 'Empty'.
/// При ответе <see cref="HttpStatusCode.BadRequest"/> возвращает <see cref="ResultOf{T}" /> в состоянии 'Invalid'.
/// </summary>
/// <exception cref="InvalidOperationException">При неизвестных ответах</exception>
/// <typeparam name="T"></typeparam>
/// <param name="response"></param>
/// <returns>Объект типа <see cref="ResultOf{T}"/>.</returns>
public static async Task <ResultOf <T> > HandleAsync <T>(this HttpResponseMessage response) where T : class
{
if (response.IsSuccessStatusCode)
{
var dto = await response.Content.ReadAsAsync <T>(formatters);
return(ResultOf <T> .CreateSuccess(dto));
}
switch (response.StatusCode)
{
case HttpStatusCode.NotFound:
return(ResultOf <T> .CreateEmpty());
case HttpStatusCode.BadRequest:
var error = await response.Content.ReadAsStringAsync();
var message = GetBadRequestMessage(error);
return(ResultOf <T> .CreateInvalid(message));
default:
var exception = await response.Content.ReadAsStringAsync();
throw new InvalidOperationException(exception);
}
}
public void CreateEmpty_IsOk()
{
var actual = ResultOf <FromTestClass> .CreateEmpty();
Assert.AreEqual(ResultState.Empty, actual.State);
Assert.IsNull(actual.InvalidMessage);
Assert.IsNull(actual.Result);
}
public void CloneFailedAs_CreateEmpty_IsOk()
{
var from = ResultOf <FromTestClass> .CreateEmpty();
var actual = from.CloneFailedAs <ToTestClass>();
Assert.AreEqual(ResultState.Empty, actual.State);
Assert.IsNull(actual.InvalidMessage);
Assert.IsNull(actual.Result);
Assert.AreEqual(typeof(ResultOf <ToTestClass>), actual.GetType());
}
public void CloneFailedAs_CreateEmpty_IsOk()
{
var from = ResultOf <FromTestClass> .CreateEmpty();
var actual = from.CloneFailedAs <ToTestClass>();
Assert.Multiple(() =>
{
Assert.AreEqual(ResultState.Empty, actual.State);
Assert.IsNull(actual.InvalidMessage);
Assert.IsNull(actual.Result);
Assert.That(actual, Is.InstanceOf <ResultOf <ToTestClass> >());
});
}
public void Equals_Empty_IsOk_Test()
{
// arrange
var result1 = ResultOf <FromTestClass> .CreateEmpty();
var result2 = ResultOf <FromTestClass> .CreateEmpty();
// act
var actual1 = result1.Equals(result2);
var actual2 = result2.Equals(result1);
// assert
Assert.IsTrue(actual1);
Assert.IsTrue(actual2);
}