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116 lines
2.9 KiB
JavaScript
116 lines
2.9 KiB
JavaScript
var expect = require('expect');
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var utils = require('../lib/utils');
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var assign = utils.assign;
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var forEach = utils.forEach;
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var isArray = utils.isArray;
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var isFunction = utils.isFunction;
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var isRegExp = utils.isRegExp;
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var isString = utils.isString;
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var noop = utils.noop;
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function SomeClass (foo) {
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this.foo = foo;
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}
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SomeClass.prototype.bar = 'asdf';
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describe('utils', function () {
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it('→ exists', function () {
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expect(utils).not.toBeUndefined();
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});
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describe('→ noop', function () {
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it('→ is a function', function () {
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expect(noop).toBeInstanceOf(Function);
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});
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});
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describe('→ isString', function () {
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it('→ true for strings', function () {
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expect(isString('is string')).toBe(true);
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});
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it('→ false for not strings', function () {
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expect(isString(/is string/)).toBe(false);
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});
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});
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describe('→ isRegExp', function () {
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it('→ true for regex', function () {
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expect(isRegExp(/some regex/)).toBe(true);
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});
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it('→ false for strings', function () {
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expect(isRegExp('some string')).toBe(false);
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});
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});
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describe('→ isArray', function () {
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it('→ true for array', function () {
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expect(isArray([])).toBe(true);
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});
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it('→ false for regex', function () {
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expect(isArray(/some regex/)).toBe(false);
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});
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it('→ false for strings', function () {
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expect(isArray('some string')).toBe(false);
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});
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});
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describe('→ isFunction', function () {
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it('→ true for function', function () {
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expect(isFunction(function () {})).toBe(true);
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});
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it('→ false for array', function () {
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expect(isFunction([])).toBe(false);
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});
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it('→ false for regex', function () {
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expect(isFunction(/some regex/)).toBe(false);
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});
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it('→ false for strings', function () {
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expect(isFunction('some string')).toBe(false);
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});
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});
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describe('→ forEach', function () {
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it('→ does not call properties on prototype', function () {
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var count = 0;
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forEach(new SomeClass(123), function (key, value) {
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count += 1;
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expect(key).toBe('foo');
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expect(value).toBe(123);
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});
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expect(count).toEqual(1);
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});
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});
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describe('→ assign', function () {
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it('→ adds properties to dest', function () {
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var dest = {};
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var src = {foo: 123, bar: 'asdf'};
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assign(dest, src);
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expect(dest).toEqual({foo: 123, bar: 'asdf'});
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});
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it('→ overrides properties to dest', function () {
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var dest = {foo: 456, bar: 'qwerty', blah: /foo/};
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var src = {foo: 123, bar: 'asdf'};
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assign(dest, src);
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expect(dest).toEqual({foo: 123, bar: 'asdf', blah: /foo/});
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});
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it('→ does not overrides properties on prototype', function () {
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var dest = {foo: 456, bar: 'qwerty', blah: /foo/};
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assign(dest, new SomeClass(123));
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expect(dest).toEqual({foo: 123, bar: 'qwerty', blah: /foo/});
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});
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});
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});
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