public void SuccessfulOpRes_ImplicitCastToBool_True()
{
//Arrange
var opRes = new NamedOperationResultOf <int>(success: true, value: 10);
//Act
bool success = opRes;
//Assert
Assert.IsTrue(success);
}
private static void AssertValuesMatchExpected <TValue>(
NamedOperationResultOf <TValue> opRes,
bool expectedSuccessIndication,
string expectedErrorMessage,
TValue expectedValue,
[CallerMemberName] string expectedOpName = null)
{
Assert.AreEqual(expectedValue, opRes.Value, $"Expected {nameof(opRes.Value)} '{opRes.Value}' to match '{expectedValue}'");
Assert.AreEqual(expectedSuccessIndication, opRes.Success, $"Expected {nameof(opRes.Success)} '{opRes.Success}' to match '{expectedSuccessIndication}'");
Assert.AreEqual(expectedErrorMessage, opRes.ErrorMessage, $"Expected {nameof(opRes.ErrorMessage)} '{opRes.ErrorMessage}' to match '{expectedErrorMessage}'");
Assert.AreEqual(expectedOpName, opRes.OperationName);
}
public void SuccessfulOpRes_ImplicitOperationResult_PropertiesMatch()
{
//Arrange
var opResWithValue = new NamedOperationResultOf <int>(success: true, value: 10);
//Act
OperationResult opRes = opResWithValue;
//Assert
Assert.AreEqual(opResWithValue.Success, opRes.Success);
Assert.AreEqual(opResWithValue.ErrorMessage, opRes.ErrorMessage);
}
private static void AssertAreEqual <T>(
NamedOperationResultOf <T> opRes,
bool expectedSuccessIndication,
T expectedValue,
bool actualSuccessIndication,
T actualValue,
OperationResult actualOpRes)
{
Assert.AreEqual(expectedSuccessIndication, actualSuccessIndication);
Assert.AreEqual(expectedValue, actualValue);
Assert.AreEqual(opRes.Success, actualOpRes.Success);
Assert.AreEqual(opRes.ErrorMessage, actualOpRes.ErrorMessage);
}
public void CtorWithExceptionNoErrorMessage_FailedOpResWithMatchingErrorMessage()
{
//Arrange
var exception = new Exception();
//Act
var opRes = new NamedOperationResultOf <int>(exception);
//Assert
AssertValuesMatchExpected(opRes,
expectedSuccessIndication: false,
expectedErrorMessage: exception.Message,
expectedValue: default);
}
public void CtorWithExceptionWithErrorMessage_FailedOpResWithMatchingErrorMessage()
{
//Arrange
const string errorMessage = "Some error message";
var exception = new Exception(errorMessage);
//Act
var opRes = new NamedOperationResultOf <int>(exception);
//Assert
AssertValuesMatchExpected(opRes,
false,
errorMessage,
default);
}
public void CtorWithExceptionInnerExceptionNoErrorMessage_FailedOpResWithMatchingErrorMessage()
{
//Arrange
var exception = new Exception(null, innerException: new Exception());
//Act
var opRes = new NamedOperationResultOf <int>(exception);
//Assert
AssertValuesMatchExpected(opRes,
expectedSuccessIndication: false,
// ReSharper disable once PossibleNullReferenceException
expectedErrorMessage: exception.InnerException.Message,
expectedValue: default);
}
public void RefTypeValueTypeUseExceptionCtor_FailedOperationResultWithMatchingMessageCreated()
{
//Arrange
const bool expectedSuccessIndication = false;
const string expectedErrorMessage = "Some error message";
const string expectedValue = default;
//Act
var opRes = new NamedOperationResultOf <string>(
new Exception(expectedErrorMessage));
//Assert
AssertValuesMatchExpected(opRes,
expectedSuccessIndication,
expectedErrorMessage,
expectedValue);
}
public void RefTypeUseFullCtor_MatchingValuesOperationResultCreated()
{
//Arrange
const bool expectedSuccessIndication = false;
const string expectedErrorMessage = "Some error message";
const string expectedValue = "2";
//Act
var opRes = new NamedOperationResultOf <string>(
expectedSuccessIndication,
expectedValue,
expectedErrorMessage);
//Assert
AssertValuesMatchExpected(opRes,
expectedSuccessIndication,
expectedErrorMessage,
expectedValue);
}
public void SuccessfulValueTypeOpRes_ImplicitCast_MatchingExpected()
{
//Arrange
const bool expectedSuccessIndication = true;
const string expectedErrorMessage = null;
const int expectedValue = 2;
var opRes = new NamedOperationResultOf <int>(
expectedSuccessIndication,
expectedValue,
errorMessage: expectedErrorMessage);
//Act
bool actualSuccessIndication = opRes;
int actualValue = opRes.Value;
OperationResult opResNoValue = opRes;
//Assert
AssertAreEqual(opRes,
expectedSuccessIndication,
expectedValue,
actualSuccessIndication,
actualValue,
opResNoValue);
}
public void FailedRefTypeOpRes_ImplicitCast_MatchingExpected()
{
//Arrange
const bool expectedSuccessIndication = false;
const string expectedErrorMessage = "Some error message";
const string expectedValue = default;
var opRes = new NamedOperationResultOf <string>(
expectedSuccessIndication,
expectedValue,
expectedErrorMessage);
//Act
bool actualSuccessIndication = opRes;
string actualValue = opRes.Value;
OperationResult opResNoValue = opRes;
//Assert
AssertAreEqual(opRes,
expectedSuccessIndication,
expectedValue,
actualSuccessIndication,
actualValue,
opResNoValue);
}
