added unit tests for time based Wait.

updated some unit tests

minor changes
This commit is contained in:
Zaafar 2021-03-18 04:04:46 -04:00
parent 47dbd8bf25
commit 494d3d9fc1
2 changed files with 389 additions and 0 deletions

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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>netcoreapp3.1</TargetFramework>
<IsPackable>false</IsPackable>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.7.1" />
<PackageReference Include="MSTest.TestAdapter" Version="2.1.1" />
<PackageReference Include="MSTest.TestFramework" Version="2.1.1" />
<PackageReference Include="coverlet.collector" Version="1.3.0" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\Coroutine\Coroutine.csproj" />
</ItemGroup>
</Project>

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using Microsoft.VisualStudio.TestTools.UnitTesting;
namespace CoroutineTests
{
using Coroutine;
using System.Collections.Generic;
using System.Threading;
[TestClass]
public class TimeBasedCoroutineTests
{
[TestMethod]
public void TestTimerBasedCorotuine()
{
int counter = 0;
IEnumerator<Wait> OnTimeTickCodeExecuted()
{
counter++;
yield return new Wait(0.1d);
counter++;
}
var cr = CoroutineHandler.Start(OnTimeTickCodeExecuted());
Assert.AreEqual(1, counter, "instruction before yield is not executed.");
Assert.AreEqual(string.Empty, cr.Name, "Incorrect default name found");
Assert.AreEqual(0, cr.Priority, "Default priority is not minimum");
for (int i = 0; i < 5; i++)
this.SimulateTime(1);
Assert.AreEqual(2, counter, "instruction after yield is not executed.");
Assert.AreEqual(true, cr.IsFinished, "Incorrect IsFinished value.");
Assert.AreEqual(false, cr.WasCanceled, "Incorrect IsCanceled value.");
Assert.AreEqual(cr.MoveNextCount, 2, "Incorrect MoveNextCount value.");
}
[TestMethod]
public void TestCorotuineReturningWeirdYields()
{
int counter = 0;
IEnumerator<Wait> OnTimeTickNeverReturnYield()
{
counter++; // 1
if (counter == 100) // condition that's expected to be false.
{
yield return new Wait(0.1d);
}
counter++; // 2
}
IEnumerator<Wait> OnTimeTickYieldBreak()
{
counter++; // 3
yield break;
counter++; // still 3
}
var cr = new ActiveCoroutine[2];
cr[0] = CoroutineHandler.Start(OnTimeTickNeverReturnYield());
cr[1] = CoroutineHandler.Start(OnTimeTickYieldBreak());
for (int i = 0; i < 5; i++)
this.SimulateTime(1);
Assert.AreEqual(3, counter, $"Incorrect counter value.");
for (int i = 0; i < cr.Length; i++)
{
Assert.AreEqual(true, cr[i].IsFinished, $"Incorrect IsFinished value on index {i}.");
Assert.AreEqual(false, cr[i].WasCanceled, $"Incorrect IsCanceled value on index {i}");
Assert.AreEqual(1, cr[i].MoveNextCount, $"Incorrect MoveNextCount value on index {i}");
}
}
[TestMethod]
public void TestCorotuineReturningDefaultYield()
{
int counter = 0;
IEnumerator<Wait> OnTimeTickYieldDefault()
{
counter++; // 1
yield return default;
counter++; // 2
}
var cr = CoroutineHandler.Start(OnTimeTickYieldDefault());
for (int i = 0; i < 5; i++)
this.SimulateTime(1);
Assert.AreEqual(2, counter, $"Incorrect counter value.");
Assert.AreEqual(true, cr.IsFinished, $"Incorrect IsFinished value.");
Assert.AreEqual(false, cr.WasCanceled, $"Incorrect IsCanceled value.");
Assert.AreEqual(2, cr.MoveNextCount, $"Incorrect MoveNextCount value.");
}
[TestMethod]
public void TestInfiniteCorotuineNeverFinishesUnlessCanceled()
{
int counter = 0;
IEnumerator<Wait> OnTimerTickInfinite()
{
while (true)
{
counter++;
yield return new Wait(1);
}
}
void setCounterToUnreachableValue(ActiveCoroutine coroutine)
{
counter = -100;
}
var cr = CoroutineHandler.Start(OnTimerTickInfinite());
cr.OnFinished += setCounterToUnreachableValue;
for (int i = 0; i < 50; i++)
this.SimulateTime(1);
Assert.AreEqual(51, counter, $"Incorrect counter value.");
Assert.AreEqual(false, cr.IsFinished, $"Incorrect IsFinished value.");
Assert.AreEqual(false, cr.WasCanceled, $"Incorrect IsCanceled value.");
Assert.AreEqual(51, cr.MoveNextCount, $"Incorrect MoveNextCount value.");
cr.Cancel();
Assert.AreEqual(true, cr.WasCanceled, $"Incorrect IsCanceled value after canceling.");
Assert.AreEqual(-100, counter, $"OnFinished event not triggered when canceled.");
Assert.AreEqual(51, cr.MoveNextCount, $"Incorrect MoveNextCount value.");
Assert.AreEqual(true, cr.IsFinished, $"Incorrect IsFinished value.");
}
[TestMethod]
public void TestOnFinishedEventExecuted()
{
int counter = 0;
IEnumerator<Wait> OnTimeTick()
{
counter++;
yield return new Wait(0.1d);
}
void setCounterToUnreachableValue(ActiveCoroutine coroutine)
{
counter = -100;
}
var cr = CoroutineHandler.Start(OnTimeTick());
cr.OnFinished += setCounterToUnreachableValue;
this.SimulateTime(50);
Assert.AreEqual(-100, counter, $"Incorrect counter value.");
}
[TestMethod]
public void TestNestedCorotuine()
{
int counterAlwaysRunning = 0;
IEnumerator<Wait> AlwaysRunning()
{
while (true)
{
yield return new Wait(1);
counterAlwaysRunning++;
}
}
int counterChild = 0;
IEnumerator<Wait> Child()
{
yield return new Wait(1);
counterChild++;
}
int counterParent = 0;
IEnumerator<Wait> Parent()
{
yield return new Wait(1);
counterParent++;
// OnFinish I will start child.
}
int counterGrandParent = 0;
IEnumerator<Wait> GrandParent()
{
yield return new Wait(1);
counterGrandParent++;
// Nested corotuine starting.
var p = CoroutineHandler.Start(Parent());
// Nested corotuine starting in OnFinished.
p.OnFinished += (ActiveCoroutine ac) => { CoroutineHandler.Start(Child()); };
}
CoroutineHandler.Start(AlwaysRunning());
CoroutineHandler.Start(GrandParent());
Assert.AreEqual(0, counterAlwaysRunning, "Always running counter is invalid at time 0.");
Assert.AreEqual(0, counterGrandParent, "Grand Parent counter is invalid at time 0.");
Assert.AreEqual(0, counterParent, "Parent counter is invalid at time 0.");
Assert.AreEqual(0, counterChild, "Child counter is invalid at time 0.");
this.SimulateTime(1);
Assert.AreEqual(1, counterAlwaysRunning, "Always running counter is invalid at time 1.");
Assert.AreEqual(1, counterGrandParent, "Grand Parent counter is invalid at time 1.");
Assert.AreEqual(0, counterParent, "Parent counter is invalid at time 1.");
Assert.AreEqual(0, counterChild, "Child counter is invalid at time 1.");
this.SimulateTime(1);
Assert.AreEqual(2, counterAlwaysRunning, "Always running counter is invalid at time 2.");
Assert.AreEqual(1, counterGrandParent, "Grand Parent counter is invalid at time 2.");
Assert.AreEqual(1, counterParent, "Parent counter is invalid at time 2.");
Assert.AreEqual(0, counterChild, "Child counter is invalid at time 2.");
this.SimulateTime(1);
Assert.AreEqual(3, counterAlwaysRunning, "Always running counter is invalid at time 3.");
Assert.AreEqual(1, counterGrandParent, "Grand Parent counter is invalid at time 3.");
Assert.AreEqual(1, counterParent, "Parent counter is invalid at time 3.");
Assert.AreEqual(1, counterChild, "Child counter is invalid at time 3.");
this.SimulateTime(1);
Assert.AreEqual(4, counterAlwaysRunning, "Always running counter is invalid at time 4.");
Assert.AreEqual(1, counterGrandParent, "Grand Parent counter is invalid at time 4.");
Assert.AreEqual(1, counterParent, "Parent counter is invalid at time 4.");
Assert.AreEqual(1, counterChild, "Child counter is invalid at time 4.");
}
[TestMethod]
public void TestPriority()
{
int counterShouldExecuteBefore0 = 0;
IEnumerator<Wait> ShouldExecuteBefore0()
{
while (true)
{
yield return new Wait(1);
counterShouldExecuteBefore0++;
}
}
int counterShouldExecuteBefore1 = 0;
IEnumerator<Wait> ShouldExecuteBefore1()
{
while (true)
{
yield return new Wait(1);
counterShouldExecuteBefore1++;
}
}
int counterShouldExecuteAfter = 0;
IEnumerator<Wait> ShouldExecuteAfter()
{
while (true)
{
yield return new Wait(1);
if (counterShouldExecuteBefore0 == 1 &&
counterShouldExecuteBefore1 == 1)
{
counterShouldExecuteAfter++;
}
}
}
int counterShouldExecuteFinally = 0;
IEnumerator<Wait> ShouldExecuteFinally()
{
while (true)
{
yield return new Wait(1);
if (counterShouldExecuteAfter > 0)
{
counterShouldExecuteFinally++;
}
}
}
int highPriority = int.MaxValue;
CoroutineHandler.Start(ShouldExecuteBefore1(), priority: highPriority);
CoroutineHandler.Start(ShouldExecuteAfter());
CoroutineHandler.Start(ShouldExecuteBefore0(), priority: highPriority);
CoroutineHandler.Start(ShouldExecuteFinally(), priority: -1);
this.SimulateTime(10);
Assert.AreEqual(1, counterShouldExecuteAfter, $"ShouldExecuteAfter counter {counterShouldExecuteAfter} is invalid.");
Assert.AreEqual(1, counterShouldExecuteFinally, $"ShouldExecuteFinally counter {counterShouldExecuteFinally} is invalid.");
}
[TestMethod]
public void TestTimeBasedCorotuineIsAccurate()
{
int counter0 = 0;
IEnumerator<Wait> IncrementCounter0Ever10Seconds()
{
while (true)
{
yield return new Wait(10);
counter0++;
}
}
int counter1 = 0;
IEnumerator<Wait> IncrementCounter1Every5Seconds()
{
while (true)
{
yield return new Wait(5);
counter1++;
}
}
CoroutineHandler.Start(IncrementCounter0Ever10Seconds());
CoroutineHandler.Start(IncrementCounter1Every5Seconds());
this.SimulateTime(3);
Assert.AreEqual(0, counter0, $"Incorrect counter0 value after 3 seconds.");
Assert.AreEqual(0, counter1, $"Incorrect counter1 value after 3 seconds.");
this.SimulateTime(3);
Assert.AreEqual(0, counter0, $"Incorrect counter0 value after 6 seconds.");
Assert.AreEqual(1, counter1, $"Incorrect counter1 value after 6 seconds.");
// it's 5 over here because IncrementCounter1Every5Seconds
// increments 5 seconds after last yield. not 5 seconds since start.
// So the when we send 3 seconds in the last SimulateTime,
// the 3rd second was technically ignored.
this.SimulateTime(5);
Assert.AreEqual(1, counter0, $"Incorrect counter0 value after 10 seconds.");
Assert.AreEqual(2, counter1, $"Incorrect counter1 value after next 5 seconds.");
}
[TestMethod]
public void InvokeLaterAndNameTest()
{
int counter = 0;
var cr = CoroutineHandler.InvokeLater(new Wait(10), () => {
counter++;
}, "Bird");
this.SimulateTime(5);
Assert.AreEqual(0, counter, $"Incorrect counter value after 5 seconds.");
this.SimulateTime(5);
Assert.AreEqual(1, counter, $"Incorrect counter value after 10 seconds.");
Assert.AreEqual(true, cr.IsFinished, "Incorrect IsFinished value.");
Assert.AreEqual(false, cr.WasCanceled, "Incorrect IsCanceled value.");
Assert.AreEqual(cr.MoveNextCount, 2, "Incorrect MoveNextCount value.");
Assert.AreEqual(cr.Name, "Bird", "Incorrect name of the coroutine.");
}
[TestMethod]
public void CorotuineStatsAre95PercentAccurate()
{
IEnumerator<Wait> CorotuineTakesMax500MS()
{
Thread.Sleep(200);
yield return new Wait(10);
Thread.Sleep(500);
}
var cr = CoroutineHandler.Start(CorotuineTakesMax500MS());
for (int i = 0; i < 5; i++)
this.SimulateTime(50);
int expected1 = 350;
float errorbar1 = (5 / 100f * expected1);
bool gTA = cr.AverageMoveNextTime.Milliseconds > (expected1 - errorbar1); // 95% accuracy.
bool lTB = cr.AverageMoveNextTime.Milliseconds < (expected1 + errorbar1); // 95% accuracy.
Assert.IsTrue(gTA && lTB, $"Average Move Next Time {cr.AverageMoveNextTime.Milliseconds} is invalid.");
int expected2 = 500;
float errorbar2 = (5 / 100f * expected2);
bool gTC = cr.MaxMoveNextTime.Milliseconds > (expected2 - errorbar2); // 95% accuracy.
bool lTD = cr.MaxMoveNextTime.Milliseconds < (expected2 + errorbar2); // 95% accuracy.
Assert.IsTrue(gTC && lTD, $"Maximum Move Next Time {cr.MaxMoveNextTime.Milliseconds} is invalid.");
}
private void SimulateTime(double totalSeconds)
{
CoroutineHandler.Tick(totalSeconds);
}
}
}