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chore: remove test sleeps, fix flaky test (#194)
Signed-off-by: Todd Baert <todd.baert@dynatrace.com> Co-authored-by: Austin Drenski <austin@austindrenski.io>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Diagnostics; | ||
| using System.Threading; | ||
| using System.Threading.Tasks; | ||
|
|
||
| internal class Utils | ||
| { | ||
| /// <summary> | ||
| /// Repeatedly runs the supplied assertion until it doesn't throw, or the timeout is reached. | ||
| /// </summary> | ||
| /// <param name="assertionFunc">Function which makes an assertion</param> | ||
| /// <param name="timeoutMillis">Timeout in millis (defaults to 1000)</param> | ||
| /// <param name="pollIntervalMillis">Poll interval (defaults to 100</param> | ||
| /// <returns></returns> | ||
| public static async Task AssertUntilAsync(Action<CancellationToken> assertionFunc, int timeoutMillis = 1000, int pollIntervalMillis = 100) | ||
| { | ||
| using (var cts = CancellationTokenSource.CreateLinkedTokenSource(default(CancellationToken))) | ||
| { | ||
|
|
||
| cts.CancelAfter(timeoutMillis); | ||
|
|
||
| var exceptions = new List<Exception>(); | ||
| var message = "AssertUntilAsync timeout reached."; | ||
|
|
||
| while (!cts.IsCancellationRequested) | ||
| { | ||
| try | ||
| { | ||
| assertionFunc(cts.Token); | ||
| return; | ||
| } | ||
| catch (TaskCanceledException) when (cts.IsCancellationRequested) | ||
| { | ||
| throw new AggregateException(message, exceptions); | ||
| } | ||
| catch (Exception e) | ||
| { | ||
| exceptions.Add(e); | ||
| } | ||
|
|
||
| try | ||
| { | ||
| await Task.Delay(pollIntervalMillis, cts.Token).ConfigureAwait(false); | ||
| } | ||
| catch (TaskCanceledException) | ||
| { | ||
| throw new AggregateException(message, exceptions); | ||
| } | ||
| } | ||
| throw new AggregateException(message, exceptions); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Collections.Immutable; | ||
| using OpenFeature.Model; | ||
| using Xunit; | ||
|
|
||
| namespace OpenFeature.Tests | ||
| { | ||
| public class TestUtilsTest | ||
| { | ||
| [Fact] | ||
| public async void Should_Fail_If_Assertion_Fails() | ||
| { | ||
| await Assert.ThrowsAnyAsync<Exception>(() => Utils.AssertUntilAsync(_ => Assert.True(1.Equals(2)), 100, 10)).ConfigureAwait(false); | ||
| } | ||
|
|
||
| [Fact] | ||
| public async void Should_Pass_If_Assertion_Fails() | ||
| { | ||
| await Utils.AssertUntilAsync(_ => Assert.True(1.Equals(1))).ConfigureAwait(false); | ||
| } | ||
| } | ||
| } |