mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-21 13:10:33 +00:00
Merge pull request #24835 from Profpatsch/lib-doc-improvements
Lib doc improvements
This commit is contained in:
Jörg Thalheim
GitHub
commit
948488343b
159
lib/tests.nix
159
lib/tests.nix
|
|
@ -6,6 +6,9 @@ with import ./default.nix;
|
|||
|
||||
runTests {
|
||||
|
||||
|
||||
# TRIVIAL
|
||||
|
||||
testId = {
|
||||
expr = id 1;
|
||||
expected = 1;
|
||||
|
|
@ -33,6 +36,18 @@ runTests {
|
|||
expected = {a = "a";};
|
||||
};
|
||||
|
||||
testComposeExtensions = {
|
||||
expr = let obj = makeExtensible (self: { foo = self.bar; });
|
||||
f = self: super: { bar = false; baz = true; };
|
||||
g = self: super: { bar = super.baz or false; };
|
||||
f_o_g = composeExtensions f g;
|
||||
composed = obj.extend f_o_g;
|
||||
in composed.foo;
|
||||
expected = true;
|
||||
};
|
||||
|
||||
# STRINGS
|
||||
|
||||
testConcatMapStrings = {
|
||||
expr = concatMapStrings (x: x + ";") ["a" "b" "c"];
|
||||
expected = "a;b;c;";
|
||||
|
|
@ -43,6 +58,38 @@ runTests {
|
|||
expected = "a,b,c";
|
||||
};
|
||||
|
||||
testSplitStringsSimple = {
|
||||
expr = strings.splitString "." "a.b.c.d";
|
||||
expected = [ "a" "b" "c" "d" ];
|
||||
};
|
||||
|
||||
testSplitStringsEmpty = {
|
||||
expr = strings.splitString "." "a..b";
|
||||
expected = [ "a" "" "b" ];
|
||||
};
|
||||
|
||||
testSplitStringsOne = {
|
||||
expr = strings.splitString ":" "a.b";
|
||||
expected = [ "a.b" ];
|
||||
};
|
||||
|
||||
testSplitStringsNone = {
|
||||
expr = strings.splitString "." "";
|
||||
expected = [ "" ];
|
||||
};
|
||||
|
||||
testSplitStringsFirstEmpty = {
|
||||
expr = strings.splitString "/" "/a/b/c";
|
||||
expected = [ "" "a" "b" "c" ];
|
||||
};
|
||||
|
||||
testSplitStringsLastEmpty = {
|
||||
expr = strings.splitString ":" "2001:db8:0:0042::8a2e:370:";
|
||||
expected = [ "2001" "db8" "0" "0042" "" "8a2e" "370" "" ];
|
||||
};
|
||||
|
||||
# LISTS
|
||||
|
||||
testFilter = {
|
||||
expr = filter (x: x != "a") ["a" "b" "c" "a"];
|
||||
expected = ["b" "c"];
|
||||
|
|
@ -93,45 +140,6 @@ runTests {
|
|||
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];
|
||||
|
|
@ -158,9 +166,9 @@ runTests {
|
|||
};
|
||||
|
||||
|
||||
/* Generator tests */
|
||||
# these tests assume attributes are converted to lists
|
||||
# in alphabetical order
|
||||
# GENERATORS
|
||||
# these tests assume attributes are converted to lists
|
||||
# in alphabetical order
|
||||
|
||||
testMkKeyValueDefault = {
|
||||
expr = generators.mkKeyValueDefault ":" "f:oo" "bar";
|
||||
|
|
@ -247,43 +255,44 @@ runTests {
|
|||
expected = builtins.toJSON val;
|
||||
};
|
||||
|
||||
testSplitStringsSimple = {
|
||||
expr = strings.splitString "." "a.b.c.d";
|
||||
expected = [ "a" "b" "c" "d" ];
|
||||
};
|
||||
# MISC
|
||||
|
||||
testSplitStringsEmpty = {
|
||||
expr = strings.splitString "." "a..b";
|
||||
expected = [ "a" "" "b" ];
|
||||
};
|
||||
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; };
|
||||
|
||||
testSplitStringsOne = {
|
||||
expr = strings.splitString ":" "a.b";
|
||||
expected = [ "a.b" ];
|
||||
};
|
||||
resRem7 = res6.replace (a: removeAttrs a ["a"]);
|
||||
|
||||
testSplitStringsNone = {
|
||||
expr = strings.splitString "." "";
|
||||
expected = [ "" ];
|
||||
};
|
||||
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
|
||||
|
||||
testSplitStringsFirstEmpty = {
|
||||
expr = strings.splitString "/" "/a/b/c";
|
||||
expected = [ "" "a" "b" "c" ];
|
||||
};
|
||||
|
||||
testSplitStringsLastEmpty = {
|
||||
expr = strings.splitString ":" "2001:db8:0:0042::8a2e:370:";
|
||||
expected = [ "2001" "db8" "0" "0042" "" "8a2e" "370" "" ];
|
||||
};
|
||||
|
||||
testComposeExtensions = {
|
||||
expr = let obj = makeExtensible (self: { foo = self.bar; });
|
||||
f = self: super: { bar = false; baz = true; };
|
||||
g = self: super: { bar = super.baz or false; };
|
||||
f_o_g = composeExtensions f g;
|
||||
composed = obj.extend f_o_g;
|
||||
in composed.foo;
|
||||
# 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;
|
||||
};
|
||||
|
||||
|
|
|
|||
|
|
@ -56,6 +56,8 @@ rec {
|
|||
# nix-repl> fix f
|
||||
# { bar = "bar"; foo = "foo"; foobar = "foobar"; }
|
||||
#
|
||||
# Type: fix :: (a -> a) -> a
|
||||
#
|
||||
# See https://en.wikipedia.org/wiki/Fixed-point_combinator for further
|
||||
# details.
|
||||
fix = f: let x = f x; in x;
|
||||
|
|
|
|||
Loading…
Reference in a new issue