Failed to get coverage result: Unable to read beyond the end of the stream

Despite following the recommendation of using the following command:

dotnet test --collect:"XPlat Code Coverage"

Because of this known issue https://github.com/tonerdo/coverlet/blob/master/Documentation/KnowIssues.md#1-vstest-stops-process-execution-earlydotnet-test

I still seem to be getting the same issue.

Data collector 'XPlat code coverage' message: [coverlet]Coverlet.Collector.Utilities.CoverletDataCollectorException: CoverletCoverageDataCollector: Failed to get coverage result
 ---> System.IO.EndOfStreamException: Unable to read beyond the end of the stream.
   at System.IO.BinaryReader.InternalRead(Int32 numBytes)
   at Coverlet.Core.Coverage.CalculateCoverage() in D:\git\coverletToRelease\src\coverlet.core\Coverage.cs:line 363
   at Coverlet.Core.Coverage.GetCoverageResult() in D:\git\coverletToRelease\src\coverlet.core\Coverage.cs:line 137
   at Coverlet.Collector.DataCollection.CoverageWrapper.GetCoverageResult(Coverage coverage) in D:\git\coverletToRelease\src\coverlet.collector\DataCollection\CoverageWrapper.cs:line 44
   at Coverlet.Collector.DataCollection.CoverageManager.GetCoverageResult() in D:\git\coverletToRelease\src\coverlet.collector\DataCollection\CoverageManager.cs:line 91
   --- End of inner exception stack trace ---
   at Coverlet.Collector.DataCollection.CoverageManager.GetCoverageResult() in D:\git\coverletToRelease\src\coverlet.collector\DataCollection\CoverageManager.cs:line 96
   at Coverlet.Collector.DataCollection.CoverletCoverageCollector.OnSessionEnd(Object sender, SessionEndEventArgs e) in D:\git\coverletToRelease\src\coverlet.collector\DataCollection\CoverletCoverageCollector.cs:line 148.

Is it expected that by using this method I should never get the Unable to read beyond the end of the stream error?

[agray]

Please reopen. Getting the same error. dotnet version: 3.1.302

Command: bat "${env.DOTNET_EXE} test MyTestProject.csproj --no-restore -c Release /p:CollectCoverage=true /p:CoverletOutput=${env.WORKSPACE}/${env.UT_RESULTS} /p:CoverletOutputFormat=opencover /p:Threshold=50 /p:ThresholdType=branch /p:ThresholdStat=Average /p:Exclude=[*Test*]*"

[orbus-dkreivenas]

Hello, I wanted to reopen this issue as we are experiencing the same problem using the collectors. Our package version are the following:

• coverlet.collectors 1.3.0
• Microsoft.NET.Test.Sdk 16.6.1
• Tests projects target netcoreapp2.2
• dotnet sdk 3.1.301
• Microsoft Test Execution Command Line Tool Version 16.6.0 (displayed in the test logs)

We run the tests by running dotnet test {CS Project} --no-build --no-restore --logger trx --collect "XPlat Code Coverage".

The error we receive is:

Data collector 'XPlat code coverage' message: [coverlet]Coverlet.Collector.Utilities.CoverletDataCollectorException: CoverletCoverageDataCollector: Failed to get coverage result
 ---> System.IO.EndOfStreamException: Unable to read beyond the end of the stream.
   at System.IO.BinaryReader.InternalRead(Int32 numBytes)
   at Coverlet.Core.Coverage.CalculateCoverage() in /_/src/coverlet.core/Coverage.cs:line 367
   at Coverlet.Core.Coverage.GetCoverageResult() in /_/src/coverlet.core/Coverage.cs:line 141
   at Coverlet.Collector.DataCollection.CoverageWrapper.GetCoverageResult(Coverage coverage) in /_/src/coverlet.collector/DataCollection/CoverageWrapper.cs:line 44
   at Coverlet.Collector.DataCollection.CoverageManager.GetCoverageResult() in /_/src/coverlet.collector/DataCollection/CoverageManager.cs:line 93
   --- End of inner exception stack trace ---
   at Coverlet.Collector.DataCollection.CoverageManager.GetCoverageResult() in /_/src/coverlet.collector/DataCollection/CoverageManager.cs:line 98
   at Coverlet.Collector.DataCollection.CoverletCoverageCollector.OnSessionEnd(Object sender, SessionEndEventArgs e) in /_/src/coverlet.collector/DataCollection/CoverletCoverageCollector.cs:line 160.

The test projects are being run one by one. This does not happen all the time, hence our coverage is inconsistent.