public void MatchFailure_Calls_Action_For_Failure()
{
var ex = new ExceptionWithContext();
var sut = Result.Failure <int>(ex);
object actual = null;
sut.DoOnFailure(o => actual = o);
actual.ShouldBeSameAs(ex);
}
public void Match_Executes_On_Failure_Value_If_Instance_Is_a_Failure()
{
var ex = new ExceptionWithContext();
var sut = Result.Failure <string>(ex);
sut.Match(
_ => Assert.True(false, "Function called on either"),
o => o.ShouldBeSameAs(ex));
}
public void Two_Results_Are_Equal_If_Their_Failure_Values_Are_Equal()
{
var ex = new ExceptionWithContext();
var value = Result.Failure <int>(ex);
var otherValue = Result.Failure <int>(ex);
value.ShouldSatisfyAllConditions(
() => value.ShouldBeStructuralEqual(otherValue),
() => (value == otherValue).ShouldBe(true, "value == otherValue"),
() => (value != otherValue).ShouldBe(false, "value != otherValue"));
}
public void Test_Linq_comprehension_for_generic_ExceptionWithContext_case()
{
var exceptionToThrow = new ExceptionWithContext("Error", null);
var actual =
from r1 in Result.Success(42)
from r2 in ThrowsExceptionWithContext <string>(exceptionToThrow)
select r2;
actual.Match(
_ => Assert.True(false, "Success Should not happen"),
e => e.ShouldBe(exceptionToThrow));
}
private static Result <T> ThrowsExceptionWithContext <T>(ExceptionWithContext e) => throw e;
public static Result <TSuccess> ToResult <TSuccess>(this ExceptionWithContext input) => Result.Failure <TSuccess>(input);