babel/test/core/util.js

100 lines
3.4 KiB
JavaScript

var assert = require("assert");
var util = require("../../lib/babel/util");
var parse = require("../../lib/babel/helpers/parse");
var t = require("../../lib/babel/types");
suite("util", function () {
test("invalid template", function () {
assert.throws(function () {
util.template("invalid template");
}, /unknown template/);
});
test("templates do not recurse", function () {
var key = __filename;
var KEY = parse({ loc: key }, "replacedKey").program.body[0].expression;
var VALUE = parse({ loc: key }, "+KEY").program.body[0].expression;
util.templates[key] = util.parseTemplate(key, "KEY = VALUE;");
var result = util.template(key, {KEY: KEY, VALUE: VALUE});
delete util.templates[key];
assert.strictEqual(
result.right.argument.name,
"KEY",
"template should not recurse into replaced nodes, " +
"replacing KEY inside VALUE"
);
});
test("canCompile", function () {
assert.ok(util.canCompile("test.js"));
assert.ok(util.canCompile("/test.js"));
assert.ok(util.canCompile("/scripts/test.js"));
assert.ok(util.canCompile("test.es6"));
assert.ok(util.canCompile("/test.es6"));
assert.ok(util.canCompile("/scripts/test.es6"));
assert.ok(util.canCompile("test.es"));
assert.ok(util.canCompile("/test.es"));
assert.ok(util.canCompile("/scripts/test.es"));
assert.ok(util.canCompile("test.jsx"));
assert.ok(util.canCompile("/test.jsx"));
assert.ok(util.canCompile("/scripts/test.jsx"));
assert.ok(!util.canCompile("test"));
assert.ok(!util.canCompile("test.css"));
assert.ok(!util.canCompile("/test.css"));
assert.ok(!util.canCompile("/scripts/test.css"));
});
test("list", function () {
assert.deepEqual(util.list(undefined), []);
assert.deepEqual(util.list(false), []);
assert.deepEqual(util.list(null), []);
assert.deepEqual(util.list(""), []);
assert.deepEqual(util.list("foo"), ["foo"]);
assert.deepEqual(util.list("foo,bar"), ["foo", "bar"]);
assert.deepEqual(util.list(["foo", "bar"]), ["foo", "bar"]);
assert.deepEqual(util.list(/foo/), [/foo/]);
var date = new Date;
assert.deepEqual(util.list(date), [date]);
});
test("arrayify", function () {
assert.deepEqual(util.arrayify(undefined), []);
assert.deepEqual(util.arrayify(false), []);
assert.deepEqual(util.arrayify(null), []);
assert.deepEqual(util.arrayify(""), []);
assert.deepEqual(util.arrayify("foo"), ["foo"]);
assert.deepEqual(util.arrayify("foo,bar"), ["foo", "bar"]);
assert.deepEqual(util.arrayify(["foo", "bar"]), ["foo", "bar"]);
assert.throws(function () {
util.arrayify({});
}, /illegal type for arrayify/);
});
test("regexify", function () {
assert.deepEqual(util.regexify(undefined), /.^/);
assert.deepEqual(util.regexify(false), /.^/);
assert.deepEqual(util.regexify(null), /.^/);
assert.deepEqual(util.regexify(""), /.^/);
assert.deepEqual(util.regexify(["foo", "bar"]), /foo|bar/i);
assert.deepEqual(util.regexify("foobar"), /^(?:(?=.)foobar)$/i);
assert.deepEqual(util.regexify(/foobar/), /foobar/);
assert.throws(function () {
util.regexify({});
}, /illegal type for regexify/);
});
test("toIdentifier", function () {
assert.equal(t.toIdentifier(t.identifier("swag")), "swag");
assert.equal(t.toIdentifier("swag-lord"), "swagLord");
});
});