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88d8f6ac48
The original `builtins.getContext` test from1d757292d0would have caught this. The problem is thatb30be6b450adding `builtins.appendContext` modified that test to make it test too much at once, rather than adding a separate test. We now have isolated tests for both functions, and also a property test showing everything put together (in the form of an eta rule for strings with context). This is better coverage and properly reproduces the bug.
41 lines
1 KiB
Nix
41 lines
1 KiB
Nix
let
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drv = derivation {
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name = "fail";
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builder = "/bin/false";
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system = "x86_64-linux";
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outputs = [ "out" "foo" ];
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};
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path = "${./eval-okay-context-introspection.nix}";
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desired-context = {
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"${builtins.unsafeDiscardStringContext path}" = {
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path = true;
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};
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"${builtins.unsafeDiscardStringContext drv.drvPath}" = {
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outputs = [ "foo" "out" ];
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allOutputs = true;
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};
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};
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combo-path = "${path}${drv.outPath}${drv.foo.outPath}${drv.drvPath}";
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legit-context = builtins.getContext combo-path;
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reconstructed-path = builtins.appendContext
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(builtins.unsafeDiscardStringContext combo-path)
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desired-context;
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# Eta rule for strings with context.
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etaRule = str:
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str == builtins.appendContext
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(builtins.unsafeDiscardStringContext str)
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(builtins.getContext str);
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in [
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(legit-context == desired-context)
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(reconstructed-path == combo-path)
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(etaRule "foo")
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(etaRule drv.drvPath)
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(etaRule drv.foo.outPath)
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(etaRule (builtins.unsafeDiscardOutputDependency drv.drvPath))
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]
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