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"use strict";
const test = require('tape');
const lua = require('../src/lua.js');
const lauxlib = require('../src/lauxlib.js');
const lualib = require('../src/lualib.js');
test('require an existing module', function (t) {
let luaCode = `
return require('os')
`, L;
t.plan(3);
t.doesNotThrow(function () {
L = lauxlib.luaL_newstate();
lualib.luaL_openlibs(L);
lauxlib.luaL_loadstring(L, lua.to_luastring(luaCode));
}, "Lua program loaded without error");
t.doesNotThrow(function () {
lua.lua_call(L, 0, -1);
}, "Lua program ran without error");
t.ok(
lua.lua_istable(L, -1),
"Correct element(s) on the stack"
);
});
test('require a file', function (t) {
let luaCode = `
return require('tests/module-hello')()
`, L;
t.plan(3);
t.doesNotThrow(function () {
L = lauxlib.luaL_newstate();
lualib.luaL_openlibs(L);
lauxlib.luaL_loadstring(L, lua.to_luastring(luaCode));
}, "Lua program loaded without error");
t.doesNotThrow(function () {
lua.lua_call(L, 0, -1);
}, "Lua program ran without error");
t.strictEqual(
lua.lua_tojsstring(L, -1),
"hello from module",
"Correct element(s) on the stack"
);
});
test('package.loadlib', function (t) {
let luaCode = `
return package.loadlib('./tests/lib-hello.js.mod', 'hello')()
`, L;
t.plan(3);
t.doesNotThrow(function () {
L = lauxlib.luaL_newstate();
lualib.luaL_openlibs(L);
lauxlib.luaL_loadstring(L, lua.to_luastring(luaCode));
}, "Lua program loaded without error");
t.doesNotThrow(function () {
lua.lua_call(L, 0, -1);
}, "Lua program ran without error");
t.strictEqual(
lua.lua_tojsstring(L, -1),
"hello from js lib",
"Correct element(s) on the stack"
);
});
test('package.searchpath', function (t) {
let luaCode = `
return package.searchpath('module-hello', './?.lua;./tests/?.lua')
`, L;
t.plan(3);
t.doesNotThrow(function () {
L = lauxlib.luaL_newstate();
lualib.luaL_openlibs(L);
lauxlib.luaL_loadstring(L, lua.to_luastring(luaCode));
}, "Lua program loaded without error");
t.doesNotThrow(function () {
lua.lua_call(L, 0, -1);
}, "Lua program ran without error");
t.strictEqual(
lua.lua_tojsstring(L, -1),
"./tests/module-hello.lua",
"Correct element(s) on the stack"
);
});
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