const assert = require("assert").strict; const helpers = require("lib/helpers"); describe("lib/helpers", function() { describe("basicType()", function() { it("should return the expected values", function() { assert.equal(helpers.basicType("s"), "string"); assert.equal(helpers.basicType(null), "null"); assert.equal(helpers.basicType(undefined), "undefined"); assert.equal(helpers.basicType([1, 2]), "array"); assert.equal(helpers.basicType(7), "number"); assert.equal(helpers.basicType({ a: 1 }), "object"); }); }); });