nixpkgs/lib/tests/misc.nix

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# to run these tests:
# nix-instantiate --eval --strict nixpkgs/lib/tests/misc.nix
# if the resulting list is empty, all tests passed
with import ../default.nix;
let
testSanitizeDerivationName = { name, expected }:
let
drv = derivation {
name = strings.sanitizeDerivationName name;
builder = "x";
system = "x";
};
in {
# Evaluate the derivation so an invalid name would be caught
expr = builtins.seq drv.drvPath drv.name;
inherit expected;
};
in
runTests {
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# TRIVIAL
testId = {
expr = id 1;
expected = 1;
};
testConst = {
expr = const 2 3;
expected = 2;
};
testPipe = {
expr = pipe 2 [
(x: x + 2) # 2 + 2 = 4
(x: x * 2) # 4 * 2 = 8
];
expected = 8;
};
testPipeEmpty = {
expr = pipe 2 [];
expected = 2;
};
testPipeStrings = {
expr = pipe [ 3 4 ] [
(map toString)
(map (s: s + "\n"))
concatStrings
];
expected = ''
3
4
'';
};
/*
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";};
};
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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;
};
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testComposeManyExtensions0 = {
expr = let obj = makeExtensible (self: { foo = true; });
emptyComposition = composeManyExtensions [];
composed = obj.extend emptyComposition;
in composed.foo;
expected = true;
};
testComposeManyExtensions =
let f = self: super: { bar = false; baz = true; };
g = self: super: { bar = super.baz or false; };
h = self: super: { qux = super.bar or false; };
obj = makeExtensible (self: { foo = self.qux; });
in {
expr = let composition = composeManyExtensions [f g h];
composed = obj.extend composition;
in composed.foo;
expected = (obj.extend (composeExtensions f (composeExtensions g h))).foo;
};
testBitAnd = {
expr = (bitAnd 3 10);
expected = 2;
};
testBitOr = {
expr = (bitOr 3 10);
expected = 11;
};
testBitXor = {
expr = (bitXor 3 10);
expected = 9;
};
testToHexString = {
expr = toHexString 250;
expected = "FA";
};
testToBaseDigits = {
expr = toBaseDigits 2 6;
expected = [ 1 1 0 ];
};
testFunctionArgsFunctor = {
expr = functionArgs { __functor = self: { a, b }: null; };
expected = { a = false; b = false; };
};
testFunctionArgsSetFunctionArgs = {
expr = functionArgs (setFunctionArgs (args: args.x) { x = false; });
expected = { x = false; };
};
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# STRINGS
testConcatMapStrings = {
expr = concatMapStrings (x: x + ";") ["a" "b" "c"];
expected = "a;b;c;";
};
testConcatStringsSep = {
expr = concatStringsSep "," ["a" "b" "c"];
expected = "a,b,c";
};
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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" "" ];
};
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testSplitStringsRegex = {
expr = strings.splitString "\\[{}]()^$?*+|." "A\\[{}]()^$?*+|.B";
expected = [ "A" "B" ];
};
testSplitStringsDerivation = {
expr = take 3 (strings.splitString "/" (derivation {
name = "name";
builder = "builder";
system = "system";
}));
expected = ["" "nix" "store"];
};
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testSplitVersionSingle = {
expr = versions.splitVersion "1";
expected = [ "1" ];
};
testSplitVersionDouble = {
expr = versions.splitVersion "1.2";
expected = [ "1" "2" ];
};
testSplitVersionTriple = {
expr = versions.splitVersion "1.2.3";
expected = [ "1" "2" "3" ];
};
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testIsStorePath = {
expr =
let goodPath =
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"${builtins.storeDir}/d945ibfx9x185xf04b890y4f9g3cbb63-python-2.7.11";
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in {
storePath = isStorePath goodPath;
storePathDerivation = isStorePath (import ../.. { system = "x86_64-linux"; }).hello;
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storePathAppendix = isStorePath
"${goodPath}/bin/python";
nonAbsolute = isStorePath (concatStrings (tail (stringToCharacters goodPath)));
asPath = isStorePath (/. + goodPath);
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otherPath = isStorePath "/something/else";
otherVals = {
attrset = isStorePath {};
list = isStorePath [];
int = isStorePath 42;
};
};
expected = {
storePath = true;
storePathDerivation = true;
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storePathAppendix = false;
nonAbsolute = false;
asPath = true;
otherPath = false;
otherVals = {
attrset = false;
list = false;
int = false;
};
};
};
testEscapeXML = {
expr = escapeXML ''"test" 'test' < & >'';
expected = "&quot;test&quot; &apos;test&apos; &lt; &amp; &gt;";
};
testToShellVars = {
expr = ''
${toShellVars {
STRing01 = "just a 'string'";
_array_ = [ "with" "more strings" ];
assoc."with some" = ''
strings
possibly newlines
'';
drv = {
outPath = "/drv";
foo = "ignored attribute";
};
path = /path;
stringable = {
__toString = _: "hello toString";
bar = "ignored attribute";
};
}}
'';
expected = ''
STRing01='just a '\'''string'\''''
declare -a _array_=('with' 'more strings')
declare -A assoc=(['with some']='strings
possibly newlines
')
drv='/drv'
path='/path'
stringable='hello toString'
'';
};
testHasInfixFalse = {
expr = hasInfix "c" "abde";
expected = false;
};
testHasInfixTrue = {
expr = hasInfix "c" "abcde";
expected = true;
};
testHasInfixDerivation = {
expr = hasInfix "hello" (import ../.. { system = "x86_64-linux"; }).hello;
expected = true;
};
testHasInfixPath = {
expr = hasInfix "tests" ./.;
expected = true;
};
testHasInfixPathStoreDir = {
expr = hasInfix builtins.storeDir ./.;
expected = true;
};
testHasInfixToString = {
expr = hasInfix "a" { __toString = _: "a"; };
expected = true;
};
testNormalizePath = {
expr = strings.normalizePath "//a/b//c////d/";
expected = "/a/b/c/d/";
};
testCharToInt = {
expr = strings.charToInt "A";
expected = 65;
};
testEscapeC = {
expr = strings.escapeC [ " " ] "Hello World";
expected = "Hello\\x20World";
};
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# LISTS
testFilter = {
expr = filter (x: x != "a") ["a" "b" "c" "a"];
expected = ["b" "c"];
};
testFold =
let
f = op: fold: fold op 0 (range 0 100);
# fold with associative operator
assoc = f builtins.add;
# fold with non-associative operator
nonAssoc = f builtins.sub;
in {
expr = {
assocRight = assoc foldr;
# right fold with assoc operator is same as left fold
assocRightIsLeft = assoc foldr == assoc foldl;
nonAssocRight = nonAssoc foldr;
nonAssocLeft = nonAssoc foldl;
# with non-assoc operator the fold results are not the same
nonAssocRightIsNotLeft = nonAssoc foldl != nonAssoc foldr;
# fold is an alias for foldr
foldIsRight = nonAssoc fold == nonAssoc foldr;
};
expected = {
assocRight = 5050;
assocRightIsLeft = true;
nonAssocRight = 50;
nonAssocLeft = (-5050);
nonAssocRightIsNotLeft = true;
foldIsRight = true;
};
};
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];};
};
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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;
};
# ATTRSETS
# code from the example
testRecursiveUpdateUntil = {
expr = recursiveUpdateUntil (path: l: r: path == ["foo"]) {
# first attribute set
foo.bar = 1;
foo.baz = 2;
bar = 3;
} {
#second attribute set
foo.bar = 1;
foo.quz = 2;
baz = 4;
};
expected = {
foo.bar = 1; # 'foo.*' from the second set
foo.quz = 2; #
bar = 3; # 'bar' from the first set
baz = 4; # 'baz' from the second set
};
};
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testOverrideExistingEmpty = {
expr = overrideExisting {} { a = 1; };
expected = {};
};
testOverrideExistingDisjoint = {
expr = overrideExisting { b = 2; } { a = 1; };
expected = { b = 2; };
};
testOverrideExistingOverride = {
expr = overrideExisting { a = 3; b = 2; } { a = 1; };
expected = { a = 1; b = 2; };
};
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# GENERATORS
# these tests assume attributes are converted to lists
# in alphabetical order
testMkKeyValueDefault = {
expr = generators.mkKeyValueDefault {} ":" "f:oo" "bar";
expected = ''f\:oo:bar'';
};
testMkValueString = {
expr = let
vals = {
int = 42;
string = ''fo"o'';
bool = true;
bool2 = false;
null = null;
# float = 42.23; # floats are strange
};
in mapAttrs
(const (generators.mkValueStringDefault {}))
vals;
expected = {
int = "42";
string = ''fo"o'';
bool = "true";
bool2 = "false";
null = "null";
# float = "42.23" true false [ "bar" ] ]'';
};
};
testToKeyValue = {
expr = generators.toKeyValue {} {
key = "value";
"other=key" = "baz";
};
expected = ''
key=value
other\=key=baz
'';
};
testToINIEmpty = {
expr = generators.toINI {} {};
expected = "";
};
testToINIEmptySection = {
expr = generators.toINI {} { foo = {}; bar = {}; };
expected = ''
[bar]
[foo]
'';
};
testToINIDuplicateKeys = {
expr = generators.toINI { listsAsDuplicateKeys = true; } { foo.bar = true; baz.qux = [ 1 false ]; };
expected = ''
[baz]
qux=1
qux=false
[foo]
bar=true
'';
};
testToINIDefaultEscapes = {
expr = generators.toINI {} {
"no [ and ] allowed unescaped" = {
"and also no = in keys" = 42;
};
};
expected = ''
[no \[ and \] allowed unescaped]
and also no \= in keys=42
'';
};
testToINIDefaultFull = {
expr = generators.toINI {} {
"section 1" = {
attribute1 = 5;
x = "Me-se JarJar Binx";
# booleans are converted verbatim by default
boolean = false;
};
"foo[]" = {
"he\\h=he" = "this is okay";
};
};
expected = ''
[foo\[\]]
he\h\=he=this is okay
[section 1]
attribute1=5
boolean=false
x=Me-se JarJar Binx
'';
};
testToINIWithGlobalSectionEmpty = {
expr = generators.toINIWithGlobalSection {} {
globalSection = {
};
sections = {
};
};
expected = ''
'';
};
testToINIWithGlobalSectionGlobalEmptyIsTheSameAsToINI =
let
sections = {
"section 1" = {
attribute1 = 5;
x = "Me-se JarJar Binx";
};
"foo" = {
"he\\h=he" = "this is okay";
};
};
in {
expr =
generators.toINIWithGlobalSection {} {
globalSection = {};
sections = sections;
};
expected = generators.toINI {} sections;
};
testToINIWithGlobalSectionFull = {
expr = generators.toINIWithGlobalSection {} {
globalSection = {
foo = "bar";
test = false;
};
sections = {
"section 1" = {
attribute1 = 5;
x = "Me-se JarJar Binx";
};
"foo" = {
"he\\h=he" = "this is okay";
};
};
};
expected = ''
foo=bar
test=false
[foo]
he\h\=he=this is okay
[section 1]
attribute1=5
x=Me-se JarJar Binx
'';
};
/* right now only invocation check */
testToJSONSimple =
let val = {
foobar = [ "baz" 1 2 3 ];
};
in {
expr = generators.toJSON {} val;
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# trivial implementation
expected = builtins.toJSON val;
};
/* right now only invocation check */
testToYAMLSimple =
let val = {
list = [ { one = 1; } { two = 2; } ];
all = 42;
};
in {
expr = generators.toYAML {} val;
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# trivial implementation
expected = builtins.toJSON val;
};
testToPretty =
let
deriv = derivation { name = "test"; builder = "/bin/sh"; system = "aarch64-linux"; };
in {
expr = mapAttrs (const (generators.toPretty { multiline = false; })) rec {
int = 42;
float = 0.1337;
bool = true;
emptystring = "";
string = ''fno"rd'';
newlinestring = "\n";
path = /. + "/foo";
null_ = null;
function = x: x;
functionArgs = { arg ? 4, foo }: arg;
list = [ 3 4 function [ false ] ];
emptylist = [];
attrs = { foo = null; "foo bar" = "baz"; };
emptyattrs = {};
drv = deriv;
};
expected = rec {
int = "42";
float = "~0.133700";
bool = "true";
emptystring = ''""'';
string = ''"fno\"rd"'';
newlinestring = "\"\\n\"";
path = "/foo";
null_ = "null";
function = "<function>";
functionArgs = "<function, args: {arg?, foo}>";
list = "[ 3 4 ${function} [ false ] ]";
emptylist = "[ ]";
attrs = "{ foo = null; \"foo bar\" = \"baz\"; }";
emptyattrs = "{ }";
drv = "<derivation ${deriv.drvPath}>";
};
};
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testToPrettyLimit =
let
a.b = 1;
a.c = a;
in {
expr = generators.toPretty { } (generators.withRecursion { throwOnDepthLimit = false; depthLimit = 2; } a);
expected = "{\n b = 1;\n c = {\n b = \"<unevaluated>\";\n c = {\n b = \"<unevaluated>\";\n c = \"<unevaluated>\";\n };\n };\n}";
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};
testToPrettyLimitThrow =
let
a.b = 1;
a.c = a;
in {
expr = (builtins.tryEval
(generators.toPretty { } (generators.withRecursion { depthLimit = 2; } a))).success;
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expected = false;
};
testWithRecursionDealsWithFunctors =
let
functor = {
__functor = self: { a, b, }: null;
};
a = {
value = "1234";
b = functor;
c.d = functor;
};
in {
expr = generators.toPretty { } (generators.withRecursion { depthLimit = 1; throwOnDepthLimit = false; } a);
expected = "{\n b = <function, args: {a, b}>;\n c = {\n d = \"<unevaluated>\";\n };\n value = \"<unevaluated>\";\n}";
};
testToPrettyMultiline = {
expr = mapAttrs (const (generators.toPretty { })) rec {
list = [ 3 4 [ false ] ];
attrs = { foo = null; bar.foo = "baz"; };
newlinestring = "\n";
multilinestring = ''
hello
there
test
'';
multilinestring' = ''
hello
there
test'';
};
expected = rec {
list = ''
[
3
4
[
false
]
]'';
attrs = ''
{
bar = {
foo = "baz";
};
foo = null;
}'';
newlinestring = "''\n \n''";
multilinestring = ''
'''
hello
there
test
''''';
multilinestring' = ''
'''
hello
there
test''''';
};
};
testToPrettyAllowPrettyValues = {
expr = generators.toPretty { allowPrettyValues = true; }
{ __pretty = v: "«" + v + "»"; val = "foo"; };
expected = "«foo»";
};
# CLI
testToGNUCommandLine = {
expr = cli.toGNUCommandLine {} {
data = builtins.toJSON { id = 0; };
X = "PUT";
retry = 3;
retry-delay = null;
url = [ "https://example.com/foo" "https://example.com/bar" ];
silent = false;
verbose = true;
};
expected = [
"-X" "PUT"
"--data" "{\"id\":0}"
"--retry" "3"
"--url" "https://example.com/foo"
"--url" "https://example.com/bar"
"--verbose"
];
};
testToGNUCommandLineShell = {
expr = cli.toGNUCommandLineShell {} {
data = builtins.toJSON { id = 0; };
X = "PUT";
retry = 3;
retry-delay = null;
url = [ "https://example.com/foo" "https://example.com/bar" ];
silent = false;
verbose = true;
};
expected = "'-X' 'PUT' '--data' '{\"id\":0}' '--retry' '3' '--url' 'https://example.com/foo' '--url' 'https://example.com/bar' '--verbose'";
};
testSanitizeDerivationNameLeadingDots = testSanitizeDerivationName {
name = "..foo";
expected = "foo";
};
testSanitizeDerivationNameUnicode = testSanitizeDerivationName {
name = "fö";
expected = "f-";
};
testSanitizeDerivationNameAscii = testSanitizeDerivationName {
name = " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~";
expected = "-+--.-0123456789-=-?-ABCDEFGHIJKLMNOPQRSTUVWXYZ-_-abcdefghijklmnopqrstuvwxyz-";
};
testSanitizeDerivationNameTooLong = testSanitizeDerivationName {
name = "This string is loooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooong";
expected = "loooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooong";
};
testSanitizeDerivationNameTooLongWithInvalid = testSanitizeDerivationName {
name = "Hello there aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa &&&&&&&&";
expected = "there-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa-";
};
testSanitizeDerivationNameEmpty = testSanitizeDerivationName {
name = "";
expected = "unknown";
};
testFreeformOptions = {
expr =
let
submodule = { lib, ... }: {
freeformType = lib.types.attrsOf (lib.types.submodule {
options.bar = lib.mkOption {};
});
options.bar = lib.mkOption {};
};
module = { lib, ... }: {
options.foo = lib.mkOption {
type = lib.types.submodule submodule;
};
};
options = (evalModules {
modules = [ module ];
}).options;
locs = filter (o: ! o.internal) (optionAttrSetToDocList options);
in map (o: o.loc) locs;
expected = [ [ "_module" "args" ] [ "foo" ] [ "foo" "<name>" "bar" ] [ "foo" "bar" ] ];
};
testCartesianProductOfEmptySet = {
expr = cartesianProductOfSets {};
expected = [ {} ];
};
testCartesianProductOfOneSet = {
expr = cartesianProductOfSets { a = [ 1 2 3 ]; };
expected = [ { a = 1; } { a = 2; } { a = 3; } ];
};
testCartesianProductOfTwoSets = {
expr = cartesianProductOfSets { a = [ 1 ]; b = [ 10 20 ]; };
expected = [
{ a = 1; b = 10; }
{ a = 1; b = 20; }
];
};
testCartesianProductOfTwoSetsWithOneEmpty = {
expr = cartesianProductOfSets { a = [ ]; b = [ 10 20 ]; };
expected = [ ];
};
testCartesianProductOfThreeSets = {
expr = cartesianProductOfSets {
a = [ 1 2 3 ];
b = [ 10 20 30 ];
c = [ 100 200 300 ];
};
expected = [
{ a = 1; b = 10; c = 100; }
{ a = 1; b = 10; c = 200; }
{ a = 1; b = 10; c = 300; }
{ a = 1; b = 20; c = 100; }
{ a = 1; b = 20; c = 200; }
{ a = 1; b = 20; c = 300; }
{ a = 1; b = 30; c = 100; }
{ a = 1; b = 30; c = 200; }
{ a = 1; b = 30; c = 300; }
{ a = 2; b = 10; c = 100; }
{ a = 2; b = 10; c = 200; }
{ a = 2; b = 10; c = 300; }
{ a = 2; b = 20; c = 100; }
{ a = 2; b = 20; c = 200; }
{ a = 2; b = 20; c = 300; }
{ a = 2; b = 30; c = 100; }
{ a = 2; b = 30; c = 200; }
{ a = 2; b = 30; c = 300; }
{ a = 3; b = 10; c = 100; }
{ a = 3; b = 10; c = 200; }
{ a = 3; b = 10; c = 300; }
{ a = 3; b = 20; c = 100; }
{ a = 3; b = 20; c = 200; }
{ a = 3; b = 20; c = 300; }
{ a = 3; b = 30; c = 100; }
{ a = 3; b = 30; c = 200; }
{ a = 3; b = 30; c = 300; }
];
};
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# 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; };
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};
# 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;
};
};
## Levenshtein distance functions and co.
testCommonPrefixLengthEmpty = {
expr = strings.commonPrefixLength "" "hello";
expected = 0;
};
testCommonPrefixLengthSame = {
expr = strings.commonPrefixLength "hello" "hello";
expected = 5;
};
testCommonPrefixLengthDiffering = {
expr = strings.commonPrefixLength "hello" "hey";
expected = 2;
};
testCommonSuffixLengthEmpty = {
expr = strings.commonSuffixLength "" "hello";
expected = 0;
};
testCommonSuffixLengthSame = {
expr = strings.commonSuffixLength "hello" "hello";
expected = 5;
};
testCommonSuffixLengthDiffering = {
expr = strings.commonSuffixLength "test" "rest";
expected = 3;
};
testLevenshteinEmpty = {
expr = strings.levenshtein "" "";
expected = 0;
};
testLevenshteinOnlyAdd = {
expr = strings.levenshtein "" "hello there";
expected = 11;
};
testLevenshteinOnlyRemove = {
expr = strings.levenshtein "hello there" "";
expected = 11;
};
testLevenshteinOnlyTransform = {
expr = strings.levenshtein "abcdef" "ghijkl";
expected = 6;
};
testLevenshteinMixed = {
expr = strings.levenshtein "kitchen" "sitting";
expected = 5;
};
testLevenshteinAtMostZeroFalse = {
expr = strings.levenshteinAtMost 0 "foo" "boo";
expected = false;
};
testLevenshteinAtMostZeroTrue = {
expr = strings.levenshteinAtMost 0 "foo" "foo";
expected = true;
};
testLevenshteinAtMostOneFalse = {
expr = strings.levenshteinAtMost 1 "car" "ct";
expected = false;
};
testLevenshteinAtMostOneTrue = {
expr = strings.levenshteinAtMost 1 "car" "cr";
expected = true;
};
# We test levenshteinAtMost 2 particularly well because it uses a complicated
# implementation
testLevenshteinAtMostTwoIsEmpty = {
expr = strings.levenshteinAtMost 2 "" "";
expected = true;
};
testLevenshteinAtMostTwoIsZero = {
expr = strings.levenshteinAtMost 2 "abcdef" "abcdef";
expected = true;
};
testLevenshteinAtMostTwoIsOne = {
expr = strings.levenshteinAtMost 2 "abcdef" "abddef";
expected = true;
};
testLevenshteinAtMostTwoDiff0False = {
expr = strings.levenshteinAtMost 2 "abcdef" "aczyef";
expected = false;
};
testLevenshteinAtMostTwoDiff0Outer = {
expr = strings.levenshteinAtMost 2 "abcdef" "zbcdez";
expected = true;
};
testLevenshteinAtMostTwoDiff0DelLeft = {
expr = strings.levenshteinAtMost 2 "abcdef" "bcdefz";
expected = true;
};
testLevenshteinAtMostTwoDiff0DelRight = {
expr = strings.levenshteinAtMost 2 "abcdef" "zabcde";
expected = true;
};
testLevenshteinAtMostTwoDiff1False = {
expr = strings.levenshteinAtMost 2 "abcdef" "bddez";
expected = false;
};
testLevenshteinAtMostTwoDiff1DelLeft = {
expr = strings.levenshteinAtMost 2 "abcdef" "bcdez";
expected = true;
};
testLevenshteinAtMostTwoDiff1DelRight = {
expr = strings.levenshteinAtMost 2 "abcdef" "zbcde";
expected = true;
};
testLevenshteinAtMostTwoDiff2False = {
expr = strings.levenshteinAtMost 2 "hello" "hxo";
expected = false;
};
testLevenshteinAtMostTwoDiff2True = {
expr = strings.levenshteinAtMost 2 "hello" "heo";
expected = true;
};
testLevenshteinAtMostTwoDiff3 = {
expr = strings.levenshteinAtMost 2 "hello" "ho";
expected = false;
};
testLevenshteinAtMostThreeFalse = {
expr = strings.levenshteinAtMost 3 "hello" "Holla!";
expected = false;
};
testLevenshteinAtMostThreeTrue = {
expr = strings.levenshteinAtMost 3 "hello" "Holla";
expected = true;
};
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# lazyDerivation
testLazyDerivationIsLazyInDerivationForAttrNames = {
expr = attrNames (lazyDerivation {
derivation = throw "not lazy enough";
});
# It's ok to add attribute names here when lazyDerivation is improved
# in accordance with its inline comments.
expected = [ "drvPath" "meta" "name" "out" "outPath" "outputName" "outputs" "system" "type" ];
};
testLazyDerivationIsLazyInDerivationForPassthruAttr = {
expr = (lazyDerivation {
derivation = throw "not lazy enough";
passthru.tests = "whatever is in tests";
}).tests;
expected = "whatever is in tests";
};
testLazyDerivationIsLazyInDerivationForPassthruAttr2 = {
# passthru.tests is not a special case. It works for any attr.
expr = (lazyDerivation {
derivation = throw "not lazy enough";
passthru.foo = "whatever is in foo";
}).foo;
expected = "whatever is in foo";
};
testLazyDerivationIsLazyInDerivationForMeta = {
expr = (lazyDerivation {
derivation = throw "not lazy enough";
meta = "whatever is in meta";
}).meta;
expected = "whatever is in meta";
};
testLazyDerivationReturnsDerivationAttrs = let
derivation = {
type = "derivation";
outputs = ["out"];
out = "test out";
outPath = "test outPath";
outputName = "out";
drvPath = "test drvPath";
name = "test name";
system = "test system";
meta = "test meta";
};
in {
expr = lazyDerivation { inherit derivation; };
expected = derivation;
};
testTypeDescriptionInt = {
expr = (with types; int).description;
expected = "signed integer";
};
testTypeDescriptionListOfInt = {
expr = (with types; listOf int).description;
expected = "list of signed integer";
};
testTypeDescriptionListOfListOfInt = {
expr = (with types; listOf (listOf int)).description;
expected = "list of list of signed integer";
};
testTypeDescriptionListOfEitherStrOrBool = {
expr = (with types; listOf (either str bool)).description;
expected = "list of (string or boolean)";
};
testTypeDescriptionEitherListOfStrOrBool = {
expr = (with types; either (listOf bool) str).description;
expected = "(list of boolean) or string";
};
testTypeDescriptionEitherStrOrListOfBool = {
expr = (with types; either str (listOf bool)).description;
expected = "string or list of boolean";
};
testTypeDescriptionOneOfListOfStrOrBool = {
expr = (with types; oneOf [ (listOf bool) str ]).description;
expected = "(list of boolean) or string";
};
testTypeDescriptionOneOfListOfStrOrBoolOrNumber = {
expr = (with types; oneOf [ (listOf bool) str number ]).description;
expected = "(list of boolean) or string or signed integer or floating point number";
};
testTypeDescriptionEitherListOfBoolOrEitherStringOrNumber = {
expr = (with types; either (listOf bool) (either str number)).description;
expected = "(list of boolean) or string or signed integer or floating point number";
};
testTypeDescriptionEitherEitherListOfBoolOrStringOrNumber = {
expr = (with types; either (either (listOf bool) str) number).description;
expected = "(list of boolean) or string or signed integer or floating point number";
};
testTypeDescriptionEitherNullOrBoolOrString = {
expr = (with types; either (nullOr bool) str).description;
expected = "null or boolean or string";
};
testTypeDescriptionEitherListOfEitherBoolOrStrOrInt = {
expr = (with types; either (listOf (either bool str)) int).description;
expected = "(list of (boolean or string)) or signed integer";
};
testTypeDescriptionEitherIntOrListOrEitherBoolOrStr = {
expr = (with types; either int (listOf (either bool str))).description;
expected = "signed integer or list of (boolean or string)";
};
}