public void TestSuccessfulProcedureWithReturn()
{
var proc = new UnreliableProcedure(0);
string returned;
int failedAttempts;
returned = Procedure.Retry <string>(() => proc.DoWorkAndReturn(), out failedAttempts, attempts: 5);
Assert.AreEqual(0, failedAttempts);
Assert.AreEqual("success", returned);
}
public void TestSuccessAfterFailureWithReturn()
{
var proc = new UnreliableProcedure(3);
int failedAttempts = -1;
string returned = null;
Assert.DoesNotThrow(() =>
{
returned = Procedure.Retry <string>(() => proc.DoWorkAndReturn(), out failedAttempts, attempts: 5);
});
Assert.AreEqual(3, failedAttempts);
Assert.AreEqual("success", returned);
}
public void TestFailedProcedureWithReturn()
{
var proc = new UnreliableProcedure(10);
int failedAttempts = -1;
string returned = null;
Assert.Throws(typeof(Exception), () =>
{
returned = Procedure.Retry <string>(() => proc.DoWorkAndReturn(), out failedAttempts, attempts: 5);
});
Assert.AreEqual(5, failedAttempts);
Assert.IsNull(returned);
}
public void TestSuccessfulAsyncProcedureWithReturn()
{
var proc = new UnreliableProcedure(0);
string returned = null;
Assert.DoesNotThrow(() =>
{
returned = Task.Run <string>(async() =>
{
return(await Procedure.RetryAsync <string>(() => proc.DoWorkAndReturn(), attempts: 5));
}).Result;
});
Assert.AreEqual("success", returned);
}
public void TestFailedAsyncProcedureWithReturn()
{
var proc = new UnreliableProcedure(10);
string returned = null;
var exception = Assert.Throws <AggregateException>(() =>
{
returned = Task.Run <string>(async() =>
{
return(await Procedure.RetryAsync <string>(() => proc.DoWorkAndReturn(), attempts: 5));
}).Result;
});
Assert.AreEqual("Procedure failed", exception.InnerException.Message);
Assert.IsNull(returned);
}