[nnyeah] Centralize error handling #15064

chamons · 2022-05-19T15:58:04Z

Due to dotnet test crashes with System.Exception: Unable to read beyond the end of the stream if code under tests calls System.Environment.Exit microsoft/vstest#3658 it is not possible to test code that exits the process on error
Create a base class for nnyeah exceptions that we want to explicitly report (and not crash), ConversionException
Move Main to Main2 and wrap it in a try/catch for this exception
~~I did not catch everything as for now I want to crash with stack trace on unexpected failures~~

- Due to microsoft/vstest#3658 it is not possible to test code that exits the process on error - Create a base class for nnyeah exceptions that we want to explicitly report (and not crash), ConversionException - Move Main to Main2 and wrap it in a try/catch for this exception - I did not catch everything as for now I want to crash with stack trace on unexpected failures

rolfbjarne

One more reason Environment.Exit is evil 👿

tools/nnyeah/nnyeah/Program.cs

rolfbjarne · 2022-05-19T16:04:54Z

tools/nnyeah/nnyeah/Program.cs

+			catch (ConversionException c) {
+				Console.Error.WriteLine (c.Message);
+				return 1;
+			}


You'll want to catch all exceptions too, otherwise the process will exit with a very ugly message.

Alright, I wasn't sure here.

I'd add the following, do catch our base exception, then catch all exceptions and do a console.writeline with the message and then the url to provide an issue. If we got an unexpected exception it should be a bug/issue just like we do in xamarin.

rolfbjarne · 2022-05-19T16:06:16Z

tools/nnyeah/nnyeah/Program.cs

+			else {
+				ProcessAssembly (xamarinAssembly!, microsoftAssembly!, infile!, outfile!, verbose, forceOverwrite, suppressWarnings);
+			}


If you changed this method to return the exit code, you won't need this change, you can just return 0; after PrintOptions.

I had that before. I felt that showing the flow as explicit "if show help do that, else do all of the processing" was better than an early return.

Thoughts?

Yeah, it's more of a style choice, either way is fine with me.

Co-authored-by: Rolf Bjarne Kvinge <[email protected]>

rolfbjarne · 2022-05-19T16:14:30Z

tools/nnyeah/nnyeah/Program.cs

+			else {
+				ProcessAssembly (xamarinAssembly!, microsoftAssembly!, infile!, outfile!, verbose, forceOverwrite, suppressWarnings);
+			}


Yeah, it's more of a style choice, either way is fine with me.

vs-mobiletools-engineering-service2 · 2022-05-19T17:58:44Z

🔥 Tests failed catastrophically on VSTS: simulator tests iOS (no summary found). 🔥

Result file D:\a\1\s\Reports\TestSummary-simulator\TestSummary.md not found.

Pipeline on Agent XAMBOT-1042.Monterey
Merge 2597435 into 1477c9b

mandel-macaque · 2022-05-19T18:28:14Z

tools/nnyeah/nnyeah/Program.cs

+			catch (ConversionException c) {
+				Console.Error.WriteLine (c.Message);
+				return 1;
+			}


I'd add the following, do catch our base exception, then catch all exceptions and do a console.writeline with the message and then the url to provide an issue. If we got an unexpected exception it should be a bug/issue just like we do in xamarin.

chamons · 2022-05-20T16:56:10Z

I split uncaught exception and conversion exception, and print the full stack trace and a generic "file an issue" message for uncaught now:

Unexpected error - Please file a bug report at https://github.com/xamarin/xamarin-macios/issues/new
System.NotImplementedException: The method or operation is not implemented.
   at Microsoft.MaciOS.Nnyeah.Program.Main2(String[] args) in /Users/donblas/Programming/xamarin-macios/tools/nnyeah/nnyeah/Program.cs:line 62
   at Microsoft.MaciOS.Nnyeah.Program.Main(String[] args) in /Users/donblas/Programming/xamarin-macios/tools/nnyeah/nnyeah/Program.cs:line 24
donblas@Masterwork nnyeah % ~/bin/donut rung

vs

File for conversion (--input) and output location (--output) are required options.

vs-mobiletools-engineering-service2 · 2022-05-20T22:03:46Z

💻 [PR Build] Tests on macOS Mac Catalina (10.15) passed 💻

✅ All tests on macOS Mac Catalina (10.15) passed.

Pipeline on Agent
Hash: 0b89a17580fa2c08c28be477b7922f9e3d3ea0b9

vs-mobiletools-engineering-service2 · 2022-05-20T22:06:19Z

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Pipeline on Agent XAMBOT-1160.Monterey'
Hash: 0b89a17580fa2c08c28be477b7922f9e3d3ea0b9

vs-mobiletools-engineering-service2 · 2022-05-20T22:12:37Z

🔥 Tests failed catastrophically on VSTS: simulator tests iOS (no summary found). 🔥

Result file D:\a\1\s\Reports\TestSummary-simulator\TestSummary.md not found.

Pipeline on Agent XAMBOT-1044.Monterey'
Merge 0b89a17 into b773b97

vs-mobiletools-engineering-service2 · 2022-05-20T22:21:23Z

❌ [PR Build] Tests on macOS M1 - Mac Big Sur (11.5) failed ❌

Failed tests are:

xammac_tests
monotouch-test

Pipeline on Agent
Hash: 0b89a17580fa2c08c28be477b7922f9e3d3ea0b9

vs-mobiletools-engineering-service2 · 2022-05-20T22:29:05Z

📋 [PR Build] API Diff 📋

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ℹ️ API Diff (from PR only) (please review changes)

API diff: vsdrops gist

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watchOS vsdrops gist

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dotnet-legacy-iOS vsdrops gist
dotnet-legacy-macOS vsdrops gist
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iOS vs Mac Catalyst (.NET)

dotnet-macCatiOS vsdrops gist

API diff (vs stable)

✅ API Diff from stable

API diff: vsdrops gist

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iOS vsdrops gist
macOS vsdrops gist
tvOS vsdrops gist
watchOS vsdrops gist

.NET

dotnet-iOS vsdrops gist
dotnet-macOS vsdrops gist
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dotnet-macCatiOS vsdrops gist

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Pipeline on Agent XAMBOT-1100.Monterey'
Hash: 0b89a17580fa2c08c28be477b7922f9e3d3ea0b9

chamons requested review from dalexsoto, rolfbjarne, mandel-macaque and stephen-hawley May 19, 2022 15:58

chamons added skip-all-tests Skip all the tests not-notes-worthy Ignore for release notes labels May 19, 2022

Merge branch 'main' into nnyeah_error_refactor

bced388

rolfbjarne requested changes May 19, 2022

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chamons and others added 2 commits May 19, 2022 11:09

Update tools/nnyeah/nnyeah/Program.cs

9f51ec9

Co-authored-by: Rolf Bjarne Kvinge <[email protected]>

Catch all exceptions

2597435

rolfbjarne approved these changes May 19, 2022

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mandel-macaque approved these changes May 19, 2022

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dalexsoto approved these changes May 20, 2022

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Improve uncaught exception behavior

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tj-devel709 approved these changes May 20, 2022

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chamons merged commit 7e8bd5c into xamarin:main May 23, 2022

chamons deleted the nnyeah_error_refactor branch May 23, 2022 15:32

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[nnyeah] Centralize error handling #15064

[nnyeah] Centralize error handling #15064

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[nnyeah] Centralize error handling #15064

[nnyeah] Centralize error handling #15064

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vs-mobiletools-engineering-service2 commented May 19, 2022

🔥 Tests failed catastrophically on VSTS: simulator tests iOS (no summary found). 🔥

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vs-mobiletools-engineering-service2 commented May 20, 2022

💻 [PR Build] Tests on macOS Mac Catalina (10.15) passed 💻

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📚 [PR Build] Artifacts 📚

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vs-mobiletools-engineering-service2 commented May 20, 2022

🔥 Tests failed catastrophically on VSTS: simulator tests iOS (no summary found). 🔥

vs-mobiletools-engineering-service2 commented May 20, 2022

❌ [PR Build] Tests on macOS M1 - Mac Big Sur (11.5) failed ❌

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📋 [PR Build] API Diff 📋

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chamons commented May 19, 2022 •

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