babel/experimental/babel-preset-env/test/normalize-options.spec.js
Artem Yavorsky f81aef3c22 Add prettier
2017-03-12 11:15:42 -05:00

117 lines
2.8 KiB
JavaScript

"use strict";
const normalizeOptions = require("../lib/normalize-options.js");
const assert = require("assert");
const {
checkDuplicateIncludeExcludes,
validateIncludesAndExcludes,
validateLooseOption,
validateModulesOption,
} = normalizeOptions;
describe("normalize-options", () => {
describe("validateLooseOption", () => {
it("`undefined` option returns false", () => {
assert(validateLooseOption() === false);
});
it("`false` option returns false", () => {
assert(validateLooseOption(false) === false);
});
it("`true` option returns true", () => {
assert(validateLooseOption(true) === true);
});
it("array option is invalid", () => {
assert.throws(
() => {
validateLooseOption([]);
},
Error,
);
});
});
describe("checkDuplicateIncludeExcludes", function() {
it("should throw if duplicate names in both", function() {
assert.throws(
() => {
checkDuplicateIncludeExcludes(
["transform-regenerator", "map"],
["transform-regenerator", "map"],
);
},
Error,
);
});
it("should not throw if no duplicate names in both", function() {
assert.doesNotThrow(
() => {
checkDuplicateIncludeExcludes(["transform-regenerator"], ["map"]);
},
Error,
);
});
});
describe("validateModulesOption", () => {
it("`undefined` option returns commonjs", () => {
assert(validateModulesOption() === "commonjs");
});
it("`false` option returns commonjs", () => {
assert(validateModulesOption(false) === false);
});
it("commonjs option is valid", () => {
assert(validateModulesOption("commonjs") === "commonjs");
});
it("systemjs option is valid", () => {
assert(validateModulesOption("systemjs") === "systemjs");
});
it("amd option is valid", () => {
assert(validateModulesOption("amd") === "amd");
});
it("umd option is valid", () => {
assert(validateModulesOption("umd") === "umd");
});
it("`true` option is invalid", () => {
assert.throws(
() => {
validateModulesOption(true);
},
Error,
);
});
it("array option is invalid", () => {
assert.throws(
() => {
assert(validateModulesOption([]));
},
Error,
);
});
});
describe("validateIncludesAndExcludes", function() {
it("should return empty arrays if undefined", function() {
assert.deepEqual(validateIncludesAndExcludes(), []);
});
it("should throw if not in features", function() {
assert.throws(
() => {
validateIncludesAndExcludes(["asdf"]);
},
Error,
);
});
});
});