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assert: Report why values aren't equal

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This commit is contained in:
Robert Hensing 2024-07-05 16:43:48 +02:00
parent 509be0e77a
commit d63bd8295e
29 changed files with 532 additions and 5 deletions
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26
tests/functional/lang/eval-fail-assert-equal-derivations.err.exp Normal file
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@ -0,0 +1,26 @@
error:
… while evaluating the condition of the assertion '({ foo = { ignored = (abort "not ignored"); outPath = "/nix/store/0"; type = "derivation"; }; } == { foo = { ignored = (abort "not ignored"); outPath = "/nix/store/1"; type = "derivation"; }; })'
at /pwd/lang/eval-fail-assert-equal-derivations.nix:1:1:
1| assert
| ^
2| { foo = { type = "derivation"; outPath = "/nix/store/0"; ignored = abort "not ignored"; }; }
… while comparing attribute 'foo'
… where left hand side is
at /pwd/lang/eval-fail-assert-equal-derivations.nix:2:5:
1| assert
2| { foo = { type = "derivation"; outPath = "/nix/store/0"; ignored = abort "not ignored"; }; }
| ^
3| ==
… where right hand side is
at /pwd/lang/eval-fail-assert-equal-derivations.nix:4:5:
3| ==
4| { foo = { type = "derivation"; outPath = "/nix/store/1"; ignored = abort "not ignored"; }; };
| ^
5| throw "unreachable"
… while comparing a derivation by its 'outPath' attribute
error: string '"/nix/store/0"' is not equal to string '"/nix/store/1"'