forked from lix-project/lix
0c6e46e349
Make the evaluator show some suggestions when trying to access an
invalid field from an attrset.
```console
$ nix eval --expr '{ foo = 1; }.foa'
error: attribute 'foa' missing
at «string»:1:1:
1| { foo = 1; }.foa
| ^
Did you mean foo?
```
41 lines
1.3 KiB
Bash
41 lines
1.3 KiB
Bash
source common.sh
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clearStore
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cd "$TEST_HOME"
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cat <<EOF > flake.nix
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{
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outputs = a: {
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packages.$system = {
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foo = 1;
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fo1 = 1;
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fo2 = 1;
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fooo = 1;
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foooo = 1;
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fooooo = 1;
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fooooo1 = 1;
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fooooo2 = 1;
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fooooo3 = 1;
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fooooo4 = 1;
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fooooo5 = 1;
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fooooo6 = 1;
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};
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};
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}
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EOF
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# Probable typo in the requested attribute path. Suggest some close possibilities
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NIX_BUILD_STDERR_WITH_SUGGESTIONS=$(! nix build .\#fob 2>&1 1>/dev/null)
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[[ "$NIX_BUILD_STDERR_WITH_SUGGESTIONS" =~ "Did you mean one of fo1, fo2, foo or fooo?" ]] || \
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fail "The nix build stderr should suggest the three closest possiblities"
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# None of the possible attributes is close to `bar`, so shouldn’t suggest anything
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NIX_BUILD_STDERR_WITH_NO_CLOSE_SUGGESTION=$(! nix build .\#bar 2>&1 1>/dev/null)
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[[ ! "$NIX_BUILD_STDERR_WITH_NO_CLOSE_SUGGESTION" =~ "Did you mean" ]] || \
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fail "The nix build stderr shouldn’t suggest anything if there’s nothing relevant to suggest"
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NIX_EVAL_STDERR_WITH_SUGGESTIONS=$(! nix build --impure --expr '(builtins.getFlake (builtins.toPath ./.)).packages.'$system'.fob' 2>&1 1>/dev/null)
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[[ "$NIX_EVAL_STDERR_WITH_SUGGESTIONS" =~ "Did you mean one of fo1, fo2, foo or fooo?" ]] || \
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fail "The evaluator should suggest the three closest possiblities"
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