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nixos/tests: fix succeed() with multiple commands #73189

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merged 1 commit into from Nov 11, 2019

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flokli
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@flokli flokli commented Nov 11, 2019

we previously immediately returned the first commands output, and didn't
execute any of the other commands.

Now, return the last commands output.
This should be documented in the method docstring.

cc @Mic92 #73033

Motivation for this change
Things done
  • Tested using sandboxing (nix.useSandbox on NixOS, or option sandbox in nix.conf on non-NixOS linux)
  • Built on platform(s)
    • NixOS
    • macOS
    • other Linux distributions
  • Tested via one or more NixOS test(s) if existing and applicable for the change (look inside nixos/tests)
  • Tested compilation of all pkgs that depend on this change using nix-shell -p nix-review --run "nix-review wip"
  • Tested execution of all binary files (usually in ./result/bin/)
  • Determined the impact on package closure size (by running nix path-info -S before and after)
  • Ensured that relevant documentation is up to date
  • Fits CONTRIBUTING.md.
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cc @tfc @marijanp

@@ -389,7 +390,7 @@ def succeed(self, *commands):
raise Exception(
"command `{}` failed (exit code {})".format(command, status)
)
return output
return output
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the original perl code does $res .= $out; and then in the end return $res. We should do this accumulation, too.

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flokli commented Nov 11, 2019 via email

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tfc commented Nov 11, 2019

How would that look in python? yield output from inside the loop?

i suggest not going more complex than

(status, out) = self.execute(...)
output += out

we previously immediately returned the first commands output, and didn't
execute any of the other commands.

Now, return the last commands output.
This should be documented in the method docstring.
@flokli flokli force-pushed the python-tests-return-multiple branch from bb8aa0f to a8e9a93 Compare November 11, 2019 12:45
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flokli commented Nov 11, 2019

Updated to handle output as suggested.

@Mic92 Mic92 merged commit 556a169 into NixOS:master Nov 11, 2019
@flokli flokli deleted the python-tests-return-multiple branch November 11, 2019 14:02
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4 participants