public static void ObjectEquality <T>(FailableFunc <T> failableFunc, [CanBeNull] object obj, bool expectedEquality = true)
{
Asserter.Against(failableFunc)
.WithHeading($"[{failableFunc}] should {(expectedEquality ? "be" : "not be")} equal to [{obj}]")
.And(it => it.Equals(obj), Is.EqualTo(expectedEquality))
.And(it => Equals(it, obj), Is.EqualTo(expectedEquality))
.Invoke();
}
public static void FailedFailable <T>(FailableFunc <T> failableFunc)
{
Asserter.Against(failableFunc)
.And(Has.Property(nameof(failableFunc.HasValue)).False)
.And(Has.Property(nameof(failableFunc.Failed)).True)
.And(it => it.Value, Throws.InvalidOperationException)
.Invoke();
}
public void SuccessRate(int iterations, double successRate)
{
var fickleTimes = MethodTimer.MeasureExecution(() => FickleFunc(successRate), iterations);
Asserter.Against(fickleTimes)
.And(Has.Property(nameof(fickleTimes.SuccessRate)).CloseTo(successRate, 0.005))
.And(Has.Property(nameof(fickleTimes.Iterations)).EqualTo(iterations))
.Invoke();
}
public static void IsEquivalentTo <T>(this ISaveFile <T> actual, ISaveFile <T> expected) where T : ISaveData
{
Asserter.Against(actual)
.WithHeading($"First {actual.GetType().Prettify()} must be equivalent to the second {expected.GetType().Prettify()}")
.And(Has.Property(nameof(actual.Nickname)).EqualTo(expected.Nickname))
.And(Has.Property(nameof(actual.TimeStamp)).EqualTo(expected.TimeStamp))
.And(Has.Property(nameof(actual.Data)).EqualTo(expected.Data))
.Invoke();
}
public void Trim_Regex(string input, string trimPattern, string expected_end, string expected_start, string expected_both)
{
var pattern = new Regex(trimPattern);
Asserter.Against(input)
.And(it => it.TrimEnd(pattern), Is.EqualTo(expected_end))
.And(it => it.TrimStart(pattern), Is.EqualTo(expected_start))
.And(it => it.Trim(pattern), Is.EqualTo(expected_both))
.Invoke();
}
private static IMultipleAsserter ComparingFallbacks <T>(Fallback <T> actual, Fallback <T> expected, [CanBeNull] PrettificationSettings asserterPrettificationSettings = default)
{
return(Asserter.Against(actual)
.WithHeading($"Comparing {nameof(Fallback<T>)}s")
.WithPrettificationSettings(asserterPrettificationSettings)
.And(
Is.EqualTo(expected)
.Using(new FallbackComparer()),
() => typeof(FallbackComparer).Prettify(asserterPrettificationSettings)
));
}
public void EmptyEqualsEmpty()
{
var a = new Optional <int>();
var b = new Optional <int>();
Asserter.Against(a)
.And(Is.EqualTo(b), "a IsEqualTo b")
.And(Is.EqualTo(new Optional <int>()))
.And(Is.EqualTo(default(Optional <int>)))
.And(it => it == b, Is.True, "a == b")
.And(it => it.Equals(b), Is.True, "a.Equals(b)")
.Invoke();
}
public Asserter <AggregateExecutionComparison.TimeComparison> AssertComparison(
AggregateExecutionComparison.TimeComparison results,
int expectedComparison
)
{
Constraint ratioConstraint = expectedComparison switch {
-1 => Is.Positive.And.LessThan(1),
0 => Is.EqualTo(1),
1 => Is.Positive.And.GreaterThan(1),
_ => throw new ArgumentOutOfRangeException(nameof(expectedComparison))
};
return(Asserter.Against(results)
.And(it => it.First.CompareTo(it.Second), Is.EqualTo(expectedComparison))
.And(it => it.Difference.Sign(), Is.EqualTo(expectedComparison))
.And(it => it.Ratio, ratioConstraint));
}
public void SaveToSlot()
{
var saveSlot = GetUniqueSlot();
var nickname = nameof(SaveToSlot) + Guid.NewGuid();
var data = new TestSaveData(nickname);
var startTime = DateTime.Today;
for (int i = 0; i < 5; i++)
{
var now = startTime.AddDays(i);
data.Counter = i;
var saved = saveSlot.Save(data, now);
var latest = saveSlot.LatestFile();
latest?.Load();
// expectations
Asserter.Against(saveSlot)
.WithHeading($"Save Slot iteration #{i}")
.And(Has.Property(nameof(saveSlot.SaveFileCount)).EqualTo(i + 1))
.And(
Asserter.Against(latest)
.WithHeading($"Latest File #{i}")
.And(Is.Not.Null)
.Exists()
.Nicknamed(saveSlot.Nickname)
.TimeStamped(now)
.And(Has.Property(nameof(latest.Data)).Not.Null)
.And(it => it.Data?.Counter, Is.EqualTo(i))
)
.And(
Asserter.Against(saved)
.WithHeading($"Returned file from {nameof(saveSlot)}.{nameof(saveSlot.Save)}")
.And(Is.Not.Null)
.Exists()
.Nicknamed(saveSlot.Nickname)
.TimeStamped(now)
.And(Has.Property(nameof(saved.Data)).Not.Null)
.And(it => it.Data?.Counter, Is.EqualTo(i))
.And(it => it.Data, Is.EqualTo(latest.Data))
)
.Invoke();
}
}
public void SingleActionTime()
{
Action action = Quick;
//stopwatch version
var stopwatch = Stopwatch.StartNew();
action();
stopwatch.Stop();
Console.WriteLine($"Stopwatch version: {stopwatch.Elapsed:g}");
var exTime = new ExecutionTime(action);
Console.WriteLine($"{nameof(exTime)}: {exTime}");
Asserter.Against(exTime)
.And(Has.Property(nameof(exTime.Duration)).CloseTo(SlowSpan, TimeSpan.FromSeconds(0.01)))
.And(it => it.Execution.Failed, Is.EqualTo(false))
.And(Has.Property(nameof(exTime.Duration)).CloseTo(stopwatch.Elapsed))
.Invoke();
}
public void Copy_Array()
{
var original = new int[] { 1, 2, 3 };
var dupe = original.Copy();
Asserter.Against(dupe)
.And(Is.EqualTo(original))
.And(Is.Not.SameAs(original))
.Invoke();
original[0] = 99;
dupe[dupe.Length - 1] = -99;
Asserter.Against(dupe)
.And(original, Is.EqualTo(new[] { 99, 2, 3 }))
.And(Is.EqualTo(new[] { 1, 2, -99 }))
.And(Is.Not.EqualTo(original))
.And(Is.Not.SameAs(original))
.Invoke();
}
public void ListVsSet()
{
const int iterations = 1000;
var items = MakeHugeCollection(iterations).ToArray();
var toFind = items.Random();
// Using their respecting .Contains() methods
var list = items.ToList();
var set = items.ToHashSet();
var listTimes = MethodTimer.MeasureExecution(() => ListContains(list, toFind), iterations);
var setTimes = MethodTimer.MeasureExecution(() => SetContains(set, toFind), iterations);
Console.WriteLine($"list: {listTimes}");
Console.WriteLine($"set: {setTimes}");
// Using the extension Enumerable.Contains()
list.RandomizeEntries();
set.RandomizeEntries();
var listableTimes = MethodTimer.MeasureExecution(() => EnumerableContains(list, toFind), iterations);
var settableTimes = MethodTimer.MeasureExecution(() => EnumerableContains(set, toFind), iterations);
Console.WriteLine($"{nameof(listableTimes)}: {listableTimes}");
Console.WriteLine($"{nameof(settableTimes)}: {settableTimes}");
// Actually doing a comparison
var comparison = new AggregateExecutionComparison(listTimes, setTimes);
Console.WriteLine(comparison);
Asserter.Against(comparison)
.And(AssertComparison(comparison.Average, 1))
.And(AssertComparison(comparison.Total, 1))
.Invoke();
}
public void SaveSlotNewFile()
{
var saveSlot = GetUniqueSlot();
var nickname = nameof(SaveSlotNewFile) + Guid.NewGuid();
var data = new TestSaveData(nickname);
Assert.That(saveSlot, Has.Property(nameof(saveSlot.SaveFileCount)).EqualTo(0));
// save to the slot for the first time
var now = DateTime.Today;
var firstSave = saveSlot.Save(data, now);
Asserter.WithHeading("After the first save")
.And(
Asserter.Against(saveSlot)
.And(Has.Property(nameof(saveSlot.SaveFileCount)).EqualTo(1))
.And(
it => it.EnumerateSaveFiles().Select(f => f.TimeStamp),
Contains.Item(now)
)
)
.And(
Asserter.Against(firstSave)
.Exists()
.Nicknamed(saveSlot.Nickname)
.TimeStamped(now)
.And(Has.Property(nameof(firstSave.Data)).EqualTo(data))
)
.And(
Asserter.Against(saveSlot.LatestFile()?.Load())
.And(it => it.IsEquivalentTo(firstSave))
)
.Invoke();
// save to the slot a _second_ time
now += TimeSpan.FromDays(1);
var secondSave = saveSlot.Save(data, now);
Asserter.WithHeading("After second save")
.And(
Asserter.Against(saveSlot)
.And(Has.Property(nameof(saveSlot.SaveFileCount)).EqualTo(2))
.And(
it => it.EnumerateSaveFiles().Select(f => f.TimeStamp),
Contains.Item(now)
)
)
.And(
Asserter.Against(secondSave)
.Exists()
.Nicknamed(saveSlot.Nickname)
.TimeStamped(now)
.And(Has.Property(nameof(secondSave.Data)).EqualTo(data))
.And(Has.Property(nameof(secondSave.Data)).EqualTo(firstSave.Data))
.And(Has.Property(nameof(secondSave.TimeStamp)).Not.EqualTo(firstSave.TimeStamp))
)
.And(
Asserter.Against(saveSlot.LatestFile()?.Load())
.Exists()
.And(it => it.IsEquivalentTo(secondSave))
)
.Invoke();
}