nix2lua/lib.test.nix

123 lines
3.5 KiB
Nix

/**
* Copyright (C) 2022, Dmitriy Pleshevskiy <dmitriy@pleshevski.ru>
*
* nix2lua is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* nix2lua is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with nix2lua. If not, see <https://www.gnu.org/licenses/>.
*/
{ pkgs ? import <nixpkgs> { } }:
let
nix2lua = import ./lib.nix;
inherit (nix2lua) toLua LuaNil mkLuaRaw mkNamedField;
inherit (builtins) tryEval;
failed = { success = false; value = false; };
in
pkgs.lib.runTests {
"test returns null" = {
expr = toLua null;
expected = null;
};
"test returns nil" = {
expr = toLua LuaNil;
expected = "nil";
};
"test returns a lua string" = {
expr = toLua "hello world";
expected = "\"hello world\"";
};
"test returns a path as a lua string" = {
expr = toLua /hello/world;
expected = "\"/hello/world\"";
};
"test returns an integer number" = {
expr = toLua 10;
expected = "10";
};
"test returns a negative integer number" = {
expr = toLua (-10);
expected = "-10";
};
"test returns a float number" = {
expr = toLua 10.1;
expected = "10.100000";
};
"test returns true" = {
expr = toLua true;
expected = "true";
};
"test returns false" = {
expr = toLua false;
expected = "false";
};
"test returns table with all primitive types" = {
expr = toLua [ "hello" 10 10.1 true ];
expected = "{ \"hello\", 10, 10.100000, true }";
};
"test returns table without null values" = {
expr = toLua [ null "hello" null 10 null 10.1 null true null ];
expected = "{ \"hello\", 10, 10.100000, true }";
};
"test returns named table" = {
expr = toLua {
foo = "hello";
int = 10;
float = 10.1;
success = true;
fail = false;
};
expected = "{ [\"fail\"] = false, [\"float\"] = 10.100000, [\"foo\"] = \"hello\", [\"int\"] = 10, [\"success\"] = true }";
};
"test returns named table without nullable items" = {
expr = toLua { foo = "hello"; bar = null; };
expected = "{ [\"foo\"] = \"hello\" }";
};
"test returns recursive named table" = {
expr = toLua {
first = {
second = {
last = "hello";
};
};
};
expected = "{ [\"first\"] = { [\"second\"] = { [\"last\"] = \"hello\" } } }";
};
"test return recursive table" = {
expr = toLua [ [ [ "foo" ] "bar" ] ];
expected = "{ { { \"foo\" }, \"bar\" } }";
};
"test returns table with one named field" = {
expr = toLua [
"foo"
(mkNamedField "foo" "hello")
10
];
expected = "{ \"foo\", [\"foo\"] = \"hello\", 10 }";
};
"test returns raw string" = {
expr = toLua (mkLuaRaw "hello");
expected = "hello";
};
"test returns deep raw string" = {
expr = toLua (mkLuaRaw (mkLuaRaw (mkLuaRaw "hello")));
expected = "hello";
};
"test returns path as string" = {
expr = toLua /foo/bar;
expected = "\"/foo/bar\"";
};
"test throws an error when you try to use named field withoun table" = {
expr = tryEval (toLua (mkNamedField "foo" "bar"));
expected = failed;
};
}