nixpkgs/pkgs/test/substitute/default.nix
Silvan Mosberger cd5dc76d83 substitute: Deprecate replacements, introduce replacementsList
Also:
- Add tests
- Treewide update
- Improve docs
2024-02-29 00:35:27 +01:00

97 lines
2.3 KiB
Nix

{ substitute, testers, runCommand }:
let
# Ofborg doesn't allow any traces on stderr,
# so mock `lib` to not trace warnings,
# because substitute gives a deprecation warning
substituteSilent = substitute.override (prevArgs: {
lib = prevArgs.lib.extend (finalLib: prevLib: {
trivial = prevLib.trivial // {
warn = msg: value: value;
};
});
});
in {
substitutions = testers.testEqualContents {
assertion = "substitutions-spaces";
actual = substitute {
src = builtins.toFile "source" ''
Hello world!
'';
substitutions = [
"--replace-fail"
"Hello world!"
"Yo peter!"
];
};
expected = builtins.toFile "expected" ''
Yo peter!
'';
};
legacySingleReplace = testers.testEqualContents {
assertion = "substitute-single-replace";
actual = substituteSilent {
src = builtins.toFile "source" ''
Hello world!
'';
replacements = [
"--replace-fail" "world" "paul"
];
};
expected = builtins.toFile "expected" ''
Hello paul!
'';
};
legacyString = testers.testEqualContents {
assertion = "substitute-string";
actual = substituteSilent {
src = builtins.toFile "source" ''
Hello world!
'';
# Not great that this works at all, but is supported
replacements = "--replace-fail world string";
};
expected = builtins.toFile "expected" ''
Hello string!
'';
};
legacySingleArg = testers.testEqualContents {
assertion = "substitute-single-arg";
actual = substituteSilent {
src = builtins.toFile "source" ''
Hello world!
'';
# Not great that this works at all, but is supported
replacements = [
"--replace-fail world list"
];
};
expected = builtins.toFile "expected" ''
Hello list!
'';
};
legacyVar = testers.testEqualContents {
assertion = "substitute-var";
actual = substituteSilent {
src = builtins.toFile "source" ''
@greeting@ @name@!
'';
# Not great that this works at all, but is supported
replacements = [
"--subst-var name"
"--subst-var-by greeting Yo"
];
name = "peter";
};
expected = builtins.toFile "expected" ''
Yo peter!
'';
};
}