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Merge pull request #254452 from flyingcircusio/lib-attrsToList

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lib.attrsets.attrsToList: add function
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Silvan Mosberger 2023-10-10 19:49:17 +02:00 • committed by GitHub
commit 5323fbf703
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3 changed files with 56 additions and 2 deletions
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24
lib/tests/misc.nix
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@ -20,6 +20,10 @@ let
expr = (builtins.tryEval (builtins.seq expr "didn't throw"));
expected = { success = false; value = false; };
};
testingEval = expr: {
expr = (builtins.tryEval expr).success;
expected = true;
};
testingDeepThrow = expr: testingThrow (builtins.deepSeq expr expr);
testSanitizeDerivationName = { name, expected }:
@ -816,6 +820,26 @@ runTests {
expected = { a = 1; b = 2; };
};
testListAttrsReverse = let
exampleAttrs = {foo=1; bar="asdf"; baz = [1 3 3 7]; fnord=null;};
exampleSingletonList = [{name="foo"; value=1;}];
in {
expr = {
isReverseToListToAttrs = builtins.listToAttrs (attrsToList exampleAttrs) == exampleAttrs;
isReverseToAttrsToList = attrsToList (builtins.listToAttrs exampleSingletonList) == exampleSingletonList;
testDuplicatePruningBehaviour = attrsToList (builtins.listToAttrs [{name="a"; value=2;} {name="a"; value=1;}]);
};
expected = {
isReverseToAttrsToList = true;
isReverseToListToAttrs = true;
testDuplicatePruningBehaviour = [{name="a"; value=2;}];
};
};
testAttrsToListsCanDealWithFunctions = testingEval (
attrsToList { someFunc= a: a + 1;}
);
# GENERATORS
# these tests assume attributes are converted to lists
# in alphabetical order