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external/nunit-lite/NUnitLite-1.0.0/src/framework/Internal/Commands/FlakyTestRetriesCommand.cs
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117
external/nunit-lite/NUnitLite-1.0.0/src/framework/Internal/Commands/FlakyTestRetriesCommand.cs
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// ***********************************************************************
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// Copyright (c) 2010 Charlie Poole
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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// ***********************************************************************
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#if MONO
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using System;
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using System.Threading;
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using System.Collections.Generic;
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using System.Diagnostics;
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using NUnit.Framework.Api;
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namespace NUnit.Framework.Internal.Commands
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{
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public class FlakyTestRetriesDecorator : ICommandDecorator
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{
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#region ICommandDecorator Members
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CommandStage ICommandDecorator.Stage
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{
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get { return CommandStage.AboveSetUpTearDown; }
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}
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int ICommandDecorator.Priority
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{
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get { return 0; }
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}
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TestCommand ICommandDecorator.Decorate(TestCommand command)
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{
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return new FlakyTestRetriesCommand(command);
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}
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#endregion
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}
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public class FlakyTestRetriesCommand : DelegatingTestCommand
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{
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int retries = 0;
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const int MASS_FAIL_SAFEGUARD = 10;
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private static int globalTotalRetries = 0;
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public FlakyTestRetriesCommand(TestCommand innerCommand)
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: base(innerCommand)
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{
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string retriesEnv = Environment.GetEnvironmentVariable ("MONO_FLAKY_TEST_RETRIES");
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Int32.TryParse (retriesEnv, out retries);
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}
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public override TestResult Execute(TestExecutionContext context)
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{
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// regular test execution
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context.CurrentResult = innerCommand.Execute(context);
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if (retries == 0 ||
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context.CurrentResult.ResultState.Status == TestStatus.Passed ||
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context.CurrentResult.ResultState.Status == TestStatus.Skipped)
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return context.CurrentResult;
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// skip retries after a certain number to avoid retrying mass failures
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if (globalTotalRetries++ >= MASS_FAIL_SAFEGUARD)
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{
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Test.Properties.Set("FlakyTestRetries.MassFailSafeguard", true);
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return context.CurrentResult;
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}
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// regular test execution resulted in a failed test, start doing retries
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var passedTestResults = new List<TestResult>();
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var failedTestResults = new List<TestResult>();
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for (int i = 0; i < retries; i++)
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{
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Thread.Sleep (1000); // give the test some time to close files, sockets etc
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var testResult = innerCommand.Execute(context);
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if (testResult.ResultState.Status == TestStatus.Passed)
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passedTestResults.Add(testResult);
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else
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failedTestResults.Add(testResult);
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}
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// overall result is based on majority of results,
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// we return the first passed/failed result here and log stats about the rest
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var overallResult = passedTestResults.Count > failedTestResults.Count;
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context.CurrentResult = overallResult ? passedTestResults[0] : failedTestResults[0];
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Test.Properties.Set("FlakyTestRetries.Result", overallResult ? "PASS" : "FAIL");
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Test.Properties.Set("FlakyTestRetries.PassCount", passedTestResults.Count);
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Test.Properties.Set("FlakyTestRetries.FailCount", failedTestResults.Count);
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return context.CurrentResult;
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}
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}
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}
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#endif
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@@ -84,7 +84,11 @@ namespace NUnit.Framework.Internal.Filters
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public override bool Match( ITest test )
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{
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foreach( string name in names )
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#if MONO
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if ( test.FullName.StartsWith (name) )
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#else
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if ( test.FullName == name )
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#endif
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return true;
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return false;
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@@ -249,6 +249,10 @@ namespace NUnit.Framework.Internal
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// Add Standard stuff
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decorators.Add(new SetUpTearDownDecorator());
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#if MONO
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decorators.Add(new FlakyTestRetriesDecorator());
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#endif
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// Add Decorators supplied by attributes and parameter sets
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foreach (ICommandDecorator decorator in CustomDecorators)
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decorators.Add(decorator);
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@@ -71,6 +71,11 @@ namespace NUnitLite.Runner
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if (summary.NotRunCount > 0)
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PrintNotRunReport();
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#if MONO
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if (summary.FlakyTestRetriesCount > 0)
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PrintFlakyTestRetriesReport();
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#endif
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//if (commandLineOptions.Full)
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// PrintFullReport(result);
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}
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@@ -117,6 +122,16 @@ namespace NUnitLite.Runner
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PrintNotRunResults(this.result);
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}
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#if MONO
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public void PrintFlakyTestRetriesReport()
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{
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reportCount = 0;
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writer.WriteLine();
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writer.WriteLine("Flaky Test Retries:");
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PrintFlakyTestRetriesResults(this.result);
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}
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#endif
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/// <summary>
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/// Prints a full report of all results
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/// </summary>
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@@ -149,6 +164,20 @@ namespace NUnitLite.Runner
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WriteSingleResult(result);
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}
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#if MONO
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private void PrintFlakyTestRetriesResults(ITestResult result)
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{
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if (result.HasChildren)
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foreach (ITestResult childResult in result.Children)
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PrintFlakyTestRetriesResults(childResult);
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else if (result.Test.Properties.ContainsKey("FlakyTestRetries.Result"))
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{
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writer.WriteLine();
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writer.WriteLine("{0} ({1} passes/{2} fails): {3} ({4})", result.Test.Properties.Get("FlakyTestRetries.Result"), result.Test.Properties.Get("FlakyTestRetries.PassCount"), result.Test.Properties.Get("FlakyTestRetries.FailCount"), result.Name, result.FullName);
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}
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}
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#endif
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private void PrintTestProperties(ITest test)
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{
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foreach (PropertyEntry entry in test.Properties)
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@@ -39,6 +39,9 @@ namespace NUnitLite.Runner
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private int ignoreCount;
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private int skipCount;
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private int invalidCount;
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#if MONO
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private int flakyTestRetriesCount;
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#endif
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/// <summary>
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/// Initializes a new instance of the <see cref="ResultSummary"/> class.
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@@ -125,6 +128,13 @@ namespace NUnitLite.Runner
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get { return inconclusiveCount; }
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}
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#if MONO
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public int FlakyTestRetriesCount
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{
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get { return flakyTestRetriesCount; }
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}
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#endif
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private void Visit(ITestResult result)
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{
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if (result.Test.IsSuite)
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@@ -161,6 +171,10 @@ namespace NUnitLite.Runner
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break;
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}
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#if MONO
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if (result.Test.Properties.ContainsKey("FlakyTestRetries.Result"))
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flakyTestRetriesCount++;
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#endif
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return;
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}
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}
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