public void Finally_unit_result_E_executes_on_success_returns_K()
{
UnitResult <E> result = UnitResult.Success <E>();
K output = result.Finally(Func_Unit_Result_E);
AssertCalled(result, output);
}
public void Can_create_a_unit_result_using_UnitResult_entry_point()
{
UnitResult <MyErrorClass> result = UnitResult.Success <MyErrorClass>();
result.IsFailure.Should().Be(false);
result.IsSuccess.Should().Be(true);
}
protected UnitResult <E> SuccessErrorAction()
{
actionExecuted.Should().BeFalse();
actionExecuted = true;
return(UnitResult.Success <E>());
}
protected UnitResult <E2> GetSuccessUnitResult(E _)
{
funcExecuted.Should().BeFalse();
funcExecuted = true;
return(UnitResult.Success <E2>());
}
public async Task Finally_LeftAsync_unit_result_E_executes_on_success_returns_K()
{
UnitResult <E> result = UnitResult.Success <E>();
K output = await result.AsTask().Finally(Func_Unit_Result_E);
AssertCalled(result, output);
}
public async Task Compensate_E_returns_E2_success_and_does_not_execute_func()
{
Task <UnitResult <E> > input = UnitResult.Success <E>().AsTask();
UnitResult <E2> output = await input.Compensate(GetErrorUnitResult);
AssertSuccess(output, executed: false);
}
public async Task Compensate_E_returns_success_and_does_not_execute_func()
{
UnitResult <E> input = UnitResult.Success <E>();
Result output = await input.Compensate(GetErrorResultAsync);
AssertSuccess(output, executed: false);
}
public void Bind_E_selects_new_unit_result()
{
UnitResult <E> input = UnitResult.Success <E>();
UnitResult <E> output = input.AsTask().Bind(GetUnitResult_E_Task).Result;
AssertSuccess(output);
}
public void Compensate_E_returns_E2_success_and_does_not_execute_func()
{
UnitResult <E> input = UnitResult.Success <E>();
UnitResult <E2> output = input.Compensate(GetErrorUnitResult);
AssertSuccess(output, executed: false);
}
public void UnitResult_can_not_convert_okResult_with_value_to_okResult_with_value()
{
var okResultWithValue = UnitResult.Success <E>();
Action action = () => okResultWithValue.ConvertFailure <K>();
action.Should().Throw <InvalidOperationException>();
}
public void Bind_E_selects_new_result()
{
UnitResult <E> input = UnitResult.Success <E>();
UnitResult <E> output = input.Bind(GetResult_T_E);
AssertSuccess(output);
}
public void Map_unit_result_E_executes_on_success_returns_success()
{
UnitResult <E> result = UnitResult.Success <E>();
Result <K, E> actual = result.Map(Func_K);
actual.IsSuccess.Should().BeTrue();
actual.Value.Should().Be(K.Value);
funcExecuted.Should().BeTrue();
}
public void Deserialization_of_unit_result_when_success()
{
UnitResult <DeserializationTestObject> failResult = UnitResult.Success <DeserializationTestObject>();
var serialized = Serialize(failResult);
UnitResult <DeserializationTestObject> result = Deserialize <UnitResult <DeserializationTestObject> >(serialized);
result.IsSuccess.Should().Be(true);
}
public async Task Map_AsyncBoth_unit_result_E_executes_on_success_returns_success()
{
Task <UnitResult <E> > result = UnitResult.Success <E>().AsTask();
Result <K, E> actual = await result.Map(Task_Func_K);
actual.IsSuccess.Should().BeTrue();
actual.Value.Should().Be(K.Value);
funcExecuted.Should().BeTrue();
}
public void Tap_unit_result_E_executes_action_on_success_and_returns_self()
{
UnitResult <E> result = UnitResult.Success <E>();
var returned = result.AsTask().Tap(Action).Result;
actionExecuted.Should().Be(true);
result.Should().Be(returned);
}
public void Combine_array_unit_results_compose_method_returns_Ok_if_no_failures()
{
UnitResult <Error> result1 = UnitResult.Success <Error>();
UnitResult <Error> result2 = UnitResult.Success <Error>();
UnitResult <Error> result3 = UnitResult.Success <Error>();
UnitResult <Error> result = Result.Combine(ComposeErrors, result1, result2, result3);
result.IsSuccess.Should().BeTrue();
}
public void Combine_array_unit_results_error_together()
{
UnitResult <Error> result1 = UnitResult.Success <Error>();
UnitResult <Error> result2 = UnitResult.Failure <Error>(new Error("Failure 1"));
UnitResult <Error> result3 = UnitResult.Failure <Error>(new Error("Failure 2"));
UnitResult <Error> result = Result.Combine(result1, result2, result3);
result.IsSuccess.Should().BeFalse();
result.Error.Errors.Should().BeEquivalentTo(new[] { "Failure 1", "Failure 2" });
}
public void GetObjectData_of_successful_unit_result()
{
UnitResult <TestObject> result = UnitResult.Success <TestObject>();
ISerializable serializableObject = result;
var serializationInfo = new SerializationInfo(typeof(Result), new FormatterConverter());
serializableObject.GetObjectData(serializationInfo, new StreamingContext());
serializationInfo.GetBoolean(nameof(Result.IsSuccess)).Should().BeTrue();
serializationInfo.GetBoolean(nameof(Result.IsFailure)).Should().BeFalse();
}
public void Combine_unit_results_returns_Ok_if_no_failures()
{
IEnumerable <UnitResult <Error> > results = new UnitResult <Error>[]
{
UnitResult.Success <Error>(),
UnitResult.Success <Error>(),
UnitResult.Success <Error>(),
};
UnitResult <Error> result = Result.Combine(results, ComposeErrors);
result.IsSuccess.Should().BeTrue();
}
public async Task MapError_E_unit_result_returns_success()
{
Task <UnitResult <E> > result = UnitResult.Success <E>().AsTask();
var invocations = 0;
UnitResult <E2> actual = await result.MapError(error =>
{
invocations++;
return(Task.FromResult(E2.Value));
});
actual.IsSuccess.Should().BeTrue();
invocations.Should().Be(0);
}
public void Combine_all_unit_results_errors_together()
{
IEnumerable <UnitResult <Error> > results = new UnitResult <Error>[]
{
UnitResult.Success <Error>(),
UnitResult.Failure <Error>(new Error("Failure 1")),
UnitResult.Failure <Error>(new Error("Failure 2")),
};
UnitResult <Error> result = Result.Combine(results, ComposeErrors);
result.IsSuccess.Should().BeFalse();
result.Error.Errors.Should().BeEquivalentTo(new[] { "Failure 1", "Failure 2" });
}
public void MapError_unit_result_returns_success()
{
UnitResult <E> result = UnitResult.Success <E>();
var invocations = 0;
Result actual = result.MapError(error =>
{
invocations++;
return($"{error} {error}");
});
actual.IsSuccess.Should().BeTrue();
invocations.Should().Be(0);
}
public async Task MapError_unit_result_returns_success()
{
Task <UnitResult <E> > result = UnitResult.Success <E>().AsTask();
var invocations = 0;
Result actual = await result.MapError(error =>
{
invocations++;
return($"{error} {error}");
});
actual.IsSuccess.Should().BeTrue();
invocations.Should().Be(0);
}
protected UnitResult <E> GetUnitResult_E()
{
funcExecuted = true;
return(UnitResult.Success <E>());
}
protected UnitResult <E> GetUnitResult_E_WithParam(T value)
{
funcExecuted = true;
funcParam = value;
return(UnitResult.Success <E>());
}