45 lines
1.5 KiB
Nix
45 lines
1.5 KiB
Nix
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testArgs:
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let
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pkgs = import <nixpkgs> { config = {}; overlays = []; };
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# Stable nixpkgs doesn't yet include the Python testing framework.
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# Use unstable nixpkgs and patch it so that it uses stable nixpkgs for the VM
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# machine configuration.
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testingPkgs = let
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# unstable as of 2020-01-09
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rev = "9beb0d1ac2ebd6063efbdc4d3631f8ce137bbf90";
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src = builtins.fetchTarball {
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url = "https://github.com/nixos/nixpkgs-channels/archive/${rev}.tar.gz";
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sha256 = "1v95779di35qhrz70p2v27kmwm09h8pgh74i1wc72v0zp3bdrf50";
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};
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in
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pkgs.runCommand "nixpkgs-testing" {} ''
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cp -r ${src} $out
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cd $out
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chmod +w -R .
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patch -p1 < ${./use-stable-pkgs.patch}
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'';
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test = (import "${testingPkgs}/nixos/tests/make-test-python.nix") testArgs;
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# Fix the black Python code formatter that's used in the test to allow the test
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# script to have longer lines. The default width of 88 chars is too restrictive for
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# our script.
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fixedTest = { system ? builtins.currentSystem, ... }@args:
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let
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pkgs = (import testingPkgs { inherit system; config = {}; overlays = []; } );
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pkgsFixed = pkgs // {
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python3Packages = pkgs.python3Packages // {
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black = pkgs.writeScriptBin "black" ''
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fileToCheck=''${@:$#}
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[[ $fileToCheck = *test-script ]] && extraArgs='--line-length 100'
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exec ${pkgs.python3Packages.black}/bin/black $extraArgs "$@"
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'';
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};
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};
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in
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test (args // { pkgs = pkgsFixed; });
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in
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fixedTest
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