nixpkgs/pkgs/pkgs-lib/tests/formats.nix
2022-06-20 22:36:29 +02:00

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{ pkgs }:
let
inherit (pkgs) lib formats;
in
with lib;
let
evalFormat = format: args: def:
let
formatSet = format args;
config = formatSet.type.merge [] (imap1 (n: def: {
# We check the input values, so that
# - we don't write nonsensical tests that will impede progress
# - the test author has a slightly more realistic view of the
# final format during development.
value = lib.throwIfNot (formatSet.type.check def) (builtins.trace def "definition does not pass the type's check function") def;
file = "def${toString n}";
}) [ def ]);
in formatSet.generate "test-format-file" config;
runBuildTest = name: { drv, expected }: pkgs.runCommand name {
passAsFile = ["expected"];
inherit expected drv;
} ''
if diff -u "$expectedPath" "$drv"; then
touch "$out"
else
echo
echo "Got different values than expected; diff above."
exit 1
fi
'';
runBuildTests = tests: pkgs.linkFarm "nixpkgs-pkgs-lib-format-tests" (mapAttrsToList (name: value: { inherit name; path = runBuildTest name value; }) (filterAttrs (name: value: value != null) tests));
in runBuildTests {
testJsonAtoms = {
drv = evalFormat formats.json {} {
null = null;
false = false;
true = true;
int = 10;
float = 3.141;
str = "foo";
attrs.foo = null;
list = [ null null ];
path = ./formats.nix;
};
expected = ''
{
"attrs": {
"foo": null
},
"false": false,
"float": 3.141,
"int": 10,
"list": [
null,
null
],
"null": null,
"path": "${./formats.nix}",
"str": "foo",
"true": true
}
'';
};
testYamlAtoms = {
drv = evalFormat formats.yaml {} {
null = null;
false = false;
true = true;
float = 3.141;
str = "foo";
attrs.foo = null;
list = [ null null ];
path = ./formats.nix;
};
expected = ''
attrs:
foo: null
'false': false
float: 3.141
list:
- null
- null
'null': null
path: ${./formats.nix}
str: foo
'true': true
'';
};
testIniAtoms = {
drv = evalFormat formats.ini {} {
foo = {
bool = true;
int = 10;
float = 3.141;
str = "string";
};
};
expected = ''
[foo]
bool=true
float=3.141000
int=10
str=string
'';
};
testIniDuplicateKeys = {
drv = evalFormat formats.ini { listsAsDuplicateKeys = true; } {
foo = {
bar = [ null true "test" 1.2 10 ];
baz = false;
qux = "qux";
};
};
expected = ''
[foo]
bar=null
bar=true
bar=test
bar=1.200000
bar=10
baz=false
qux=qux
'';
};
testIniListToValue = {
drv = evalFormat formats.ini { listToValue = concatMapStringsSep ", " (generators.mkValueStringDefault {}); } {
foo = {
bar = [ null true "test" 1.2 10 ];
baz = false;
qux = "qux";
};
};
expected = ''
[foo]
bar=null, true, test, 1.200000, 10
baz=false
qux=qux
'';
};
testKeyValueAtoms = {
drv = evalFormat formats.keyValue {} {
bool = true;
int = 10;
float = 3.141;
str = "string";
};
expected = ''
bool=true
float=3.141000
int=10
str=string
'';
};
testKeyValueDuplicateKeys = {
drv = evalFormat formats.keyValue { listsAsDuplicateKeys = true; } {
bar = [ null true "test" 1.2 10 ];
baz = false;
qux = "qux";
};
expected = ''
bar=null
bar=true
bar=test
bar=1.200000
bar=10
baz=false
qux=qux
'';
};
testKeyValueListToValue = {
drv = evalFormat formats.keyValue { listToValue = concatMapStringsSep ", " (generators.mkValueStringDefault {}); } {
bar = [ null true "test" 1.2 10 ];
baz = false;
qux = "qux";
};
expected = ''
bar=null, true, test, 1.200000, 10
baz=false
qux=qux
'';
};
testTomlAtoms = {
drv = evalFormat formats.toml {} {
false = false;
true = true;
int = 10;
float = 3.141;
str = "foo";
attrs.foo = "foo";
list = [ 1 2 ];
level1.level2.level3.level4 = "deep";
};
expected = ''
false = false
float = 3.141
int = 10
list = [1, 2]
str = "foo"
true = true
[attrs]
foo = "foo"
[level1.level2.level3]
level4 = "deep"
'';
};
# This test is responsible for
# 1. testing type coercions
# 2. providing a more readable example test
# Whereas java-properties/default.nix tests the low level escaping, etc.
testJavaProperties = {
drv = evalFormat formats.javaProperties {} {
floaty = 3.1415;
tautologies = true;
contradictions = false;
foo = "bar";
# # Disallowed at eval time, because it's ambiguous:
# # add to store or convert to string?
# root = /root;
"1" = 2;
package = pkgs.hello;
"ütf 8" = "dûh";
# NB: Some editors (vscode) show this _whole_ line in right-to-left order
"الجبر" = "أكثر من مجرد أرقام";
};
expected = ''
# Generated with Nix
1 = 2
contradictions = false
floaty = 3.141500
foo = bar
package = ${pkgs.hello}
tautologies = true
\u00fctf\ 8 = d\u00fbh
\u0627\u0644\u062c\u0628\u0631 = \u0623\u0643\u062b\u0631 \u0645\u0646 \u0645\u062c\u0631\u062f \u0623\u0631\u0642\u0627\u0645
'';
};
}