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let inherit (builtins) add; in
with import ./default.nix;
runTests {
testId = {
expr = id 1;
expected = 1;
};
testConst = {
expr = const 2 3;
expected = 2;
};
/*
testOr = {
expr = or true false;
expected = true;
};
*/
testAnd = {
expr = and true false;
expected = false;
};
testFix = {
expr = fix (x: {a = if x ? a then "a" else "b";});
expected = {a = "a";};
};
testConcatMapStrings = {
expr = concatMapStrings (x: x + ";") ["a" "b" "c"];
expected = "a;b;c;";
};
testConcatStringsSep = {
expr = concatStringsSep "," ["a" "b" "c"];
expected = "a,b,c";
};
testFilter = {
expr = filter (x: x != "a") ["a" "b" "c" "a"];
expected = ["b" "c"];
};
testFold = {
expr = fold (builtins.add) 0 (range 0 100);
expected = 5050;
};
testTake = testAllTrue [
([] == (take 0 [ 1 2 3 ]))
([1] == (take 1 [ 1 2 3 ]))
([ 1 2 ] == (take 2 [ 1 2 3 ]))
([ 1 2 3 ] == (take 3 [ 1 2 3 ]))
([ 1 2 3 ] == (take 4 [ 1 2 3 ]))
];
testFoldAttrs = {
expr = foldAttrs (n: a: [n] ++ a) [] [
{ a = 2; b = 7; }
{ a = 3; c = 8; }
];
expected = { a = [ 2 3 ]; b = [7]; c = [8];};
};
testOverridableDelayableArgsTest = {
expr =
let res1 = defaultOverridableDelayableArgs id {};
res2 = defaultOverridableDelayableArgs id { a = 7; };
res3 = let x = defaultOverridableDelayableArgs id { a = 7; };
in (x.merge) { b = 10; };
res4 = let x = defaultOverridableDelayableArgs id { a = 7; };
in (x.merge) ( x: { b = 10; });
res5 = let x = defaultOverridableDelayableArgs id { a = 7; };
in (x.merge) ( x: { a = add x.a 3; });
res6 = let x = defaultOverridableDelayableArgs id { a = 7; mergeAttrBy = { a = add; }; };
y = x.merge {};
in (y.merge) { a = 10; };
resRem7 = res6.replace (a : removeAttrs a ["a"]);
resReplace6 = let x = defaultOverridableDelayableArgs id { a = 7; mergeAttrBy = { a = add; }; };
x2 = x.merge { a = 20; }; # now we have 27
in (x2.replace) { a = 10; }; # and override the value by 10
# fixed tests (delayed args): (when using them add some comments, please)
resFixed1 =
let x = defaultOverridableDelayableArgs id ( x : { a = 7; c = x.fixed.b; });
y = x.merge (x : { name = "name-${builtins.toString x.fixed.c}"; });
in (y.merge) { b = 10; };
strip = attrs : removeAttrs attrs ["merge" "replace"];
in all id
[ ((strip res1) == { })
((strip res2) == { a = 7; })
((strip res3) == { a = 7; b = 10; })
((strip res4) == { a = 7; b = 10; })
((strip res5) == { a = 10; })
((strip res6) == { a = 17; })
((strip resRem7) == {})
((strip resFixed1) == { a = 7; b = 10; c =10; name = "name-10"; })
];
expected = true;
};
testSort = {
expr = sort builtins.lessThan [ 40 2 30 42 ];
expected = [2 30 40 42];
};
testToIntShouldConvertStringToInt = {
expr = toInt "27";
expected = 27;
};
testToIntShouldThrowErrorIfItCouldNotConvertToInt = {
expr = builtins.tryEval (toInt "\"foo\"");
expected = { success = false; value = false; };
};
testHasAttrByPathTrue = {
expr = hasAttrByPath ["a" "b"] { a = { b = "yey"; }; };
expected = true;
};
testHasAttrByPathFalse = {
expr = hasAttrByPath ["a" "b"] { a = { c = "yey"; }; };
expected = false;
};
}
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