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author | Alyssa Ross <hi@alyssa.is> | 2022-03-30 13:30:47 +0000 |
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committer | Alyssa Ross <hi@alyssa.is> | 2022-03-31 10:13:20 +0000 |
commit | f2e61678de300336b3666afd19af7565efb0c4cf (patch) | |
tree | 49f6906c9d557f7fdd58257ff85ec17fc4495f31 /nixpkgs/lib/tests/misc.nix | |
parent | f920d5e07c29a9aa1b77d9b88bd604cf1a1f3664 (diff) | |
parent | 00e27c78d3d2de6964096ceee8d70e5b487365e3 (diff) | |
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Merge commit '00e27c78d3d2de6964096ceee8d70e5b487365e3'
Conflicts: nixpkgs/nixos/modules/system/boot/systemd.nix nixpkgs/pkgs/applications/networking/browsers/firefox/common.nix nixpkgs/pkgs/applications/version-management/git-and-tools/cgit/common.nix nixpkgs/pkgs/applications/version-management/git-and-tools/cgit/default.nix nixpkgs/pkgs/applications/version-management/git-and-tools/cgit/pink.nix nixpkgs/pkgs/top-level/all-packages.nix
Diffstat (limited to 'nixpkgs/lib/tests/misc.nix')
-rw-r--r-- | nixpkgs/lib/tests/misc.nix | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/nixpkgs/lib/tests/misc.nix b/nixpkgs/lib/tests/misc.nix index 5fa95828df69..271119031395 100644 --- a/nixpkgs/lib/tests/misc.nix +++ b/nixpkgs/lib/tests/misc.nix @@ -761,4 +761,156 @@ runTests { { a = 3; b = 30; c = 300; } ]; }; + + # The example from the showAttrPath documentation + testShowAttrPathExample = { + expr = showAttrPath [ "foo" "10" "bar" ]; + expected = "foo.\"10\".bar"; + }; + + testShowAttrPathEmpty = { + expr = showAttrPath []; + expected = "<root attribute path>"; + }; + + testShowAttrPathVarious = { + expr = showAttrPath [ + "." + "foo" + "2" + "a2-b" + "_bc'de" + ]; + expected = ''".".foo."2".a2-b._bc'de''; + }; + + testGroupBy = { + expr = groupBy (n: toString (mod n 5)) (range 0 16); + expected = { + "0" = [ 0 5 10 15 ]; + "1" = [ 1 6 11 16 ]; + "2" = [ 2 7 12 ]; + "3" = [ 3 8 13 ]; + "4" = [ 4 9 14 ]; + }; + }; + + testGroupBy' = { + expr = groupBy' builtins.add 0 (x: boolToString (x > 2)) [ 5 1 2 3 4 ]; + expected = { false = 3; true = 12; }; + }; + + # The example from the updateManyAttrsByPath documentation + testUpdateManyAttrsByPathExample = { + expr = updateManyAttrsByPath [ + { + path = [ "a" "b" ]; + update = old: { d = old.c; }; + } + { + path = [ "a" "b" "c" ]; + update = old: old + 1; + } + { + path = [ "x" "y" ]; + update = old: "xy"; + } + ] { a.b.c = 0; }; + expected = { a = { b = { d = 1; }; }; x = { y = "xy"; }; }; + }; + + # If there are no updates, the value is passed through + testUpdateManyAttrsByPathNone = { + expr = updateManyAttrsByPath [] "something"; + expected = "something"; + }; + + # A single update to the root path is just like applying the function directly + testUpdateManyAttrsByPathSingleIncrement = { + expr = updateManyAttrsByPath [ + { + path = [ ]; + update = old: old + 1; + } + ] 0; + expected = 1; + }; + + # Multiple updates can be applied are done in order + testUpdateManyAttrsByPathMultipleIncrements = { + expr = updateManyAttrsByPath [ + { + path = [ ]; + update = old: old + "a"; + } + { + path = [ ]; + update = old: old + "b"; + } + { + path = [ ]; + update = old: old + "c"; + } + ] ""; + expected = "abc"; + }; + + # If an update doesn't use the value, all previous updates are not evaluated + testUpdateManyAttrsByPathLazy = { + expr = updateManyAttrsByPath [ + { + path = [ ]; + update = old: old + throw "nope"; + } + { + path = [ ]; + update = old: "untainted"; + } + ] (throw "start"); + expected = "untainted"; + }; + + # Deeply nested attributes can be updated without affecting others + testUpdateManyAttrsByPathDeep = { + expr = updateManyAttrsByPath [ + { + path = [ "a" "b" "c" ]; + update = old: old + 1; + } + ] { + a.b.c = 0; + + a.b.z = 0; + a.y.z = 0; + x.y.z = 0; + }; + expected = { + a.b.c = 1; + + a.b.z = 0; + a.y.z = 0; + x.y.z = 0; + }; + }; + + # Nested attributes are updated first + testUpdateManyAttrsByPathNestedBeforehand = { + expr = updateManyAttrsByPath [ + { + path = [ "a" ]; + update = old: old // { x = old.b; }; + } + { + path = [ "a" "b" ]; + update = old: old + 1; + } + ] { + a.b = 0; + }; + expected = { + a.b = 1; + a.x = 1; + }; + }; + } |