forked from mirrors/nixpkgs
102 lines
2.8 KiB
Nix
102 lines
2.8 KiB
Nix
let inherit (builtins) add; in
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with import ./default.nix;
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runTests {
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testId = {
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expr = id 1;
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expected = 1;
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};
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testConst = {
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expr = const 2 3;
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expected = 2;
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};
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/*
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testOr = {
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expr = or true false;
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expected = true;
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};
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*/
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testAnd = {
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expr = and true false;
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expected = false;
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};
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testFix = {
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expr = fix (x: {a = if x ? a then "a" else "b";});
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expected = {a = "a";};
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};
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testConcatMapStrings = {
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expr = concatMapStrings (x: x + ";") ["a" "b" "c"];
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expected = "a;b;c;";
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};
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testConcatStringsSep = {
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expr = concatStringsSep "," ["a" "b" "c"];
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expected = "a,b,c";
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};
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testFilter = {
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expr = filter (x: x != "a") ["a" "b" "c" "a"];
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expected = ["b" "c"];
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};
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testFold = {
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expr = fold (builtins.add) 0 (range 0 100);
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expected = 5050;
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};
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testTake = testAllTrue [
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([] == (take 0 [ 1 2 3 ]))
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([1] == (take 1 [ 1 2 3 ]))
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([ 1 2 ] == (take 2 [ 1 2 3 ]))
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([ 1 2 3 ] == (take 3 [ 1 2 3 ]))
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([ 1 2 3 ] == (take 4 [ 1 2 3 ]))
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];
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testOverridableDelayableArgsTest = {
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expr =
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let res1 = defaultOverridableDelayableArgs id {};
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res2 = defaultOverridableDelayableArgs id { a = 7; };
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res3 = let x = defaultOverridableDelayableArgs id { a = 7; };
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in (x.merge) { b = 10; };
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res4 = let x = defaultOverridableDelayableArgs id { a = 7; };
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in (x.merge) ( x: { b = 10; });
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res5 = let x = defaultOverridableDelayableArgs id { a = 7; };
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in (x.merge) ( x: { a = add x.a 3; });
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res6 = let x = defaultOverridableDelayableArgs id { a = 7; mergeAttrBy = { a = add; }; };
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y = x.merge {};
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in (y.merge) { a = 10; };
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resRem7 = res6.replace (a : removeAttrs a ["a"]);
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resReplace6 = let x = defaultOverridableDelayableArgs id { a = 7; mergeAttrBy = { a = add; }; };
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x2 = x.merge { a = 20; }; # now we have 27
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in (x2.replace) { a = 10; }; # and override the value by 10
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# fixed tests (delayed args): (when using them add some comments, please)
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resFixed1 =
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let x = defaultOverridableDelayableArgs id ( x : { a = 7; c = x.fixed.b; });
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y = x.merge (x : { name = "name-${builtins.toString x.fixed.c}"; });
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in (y.merge) { b = 10; };
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strip = attrs : removeAttrs attrs ["merge" "replace"];
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in all id
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[ ((strip res1) == { })
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((strip res2) == { a = 7; })
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((strip res3) == { a = 7; b = 10; })
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((strip res4) == { a = 7; b = 10; })
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((strip res5) == { a = 10; })
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((strip res6) == { a = 17; })
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((strip resRem7) == {})
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((strip resFixed1) == { a = 7; b = 10; c =10; name = "name-10"; })
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];
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expected = true;
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};
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}
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