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46 lines
1.2 KiB
JavaScript
46 lines
1.2 KiB
JavaScript
9 years ago
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var expect = require('expect')
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var utils = require('../lib/utils')
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var noop = utils.noop
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var assign = utils.assign
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describe('utils', function () {
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it('→ exists', function () {
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expect(utils).toExist()
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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).toBeA(Function)
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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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function SourceClass (foo) {
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this.foo = foo
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}
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SourceClass.prototype.bar = 'asdf'
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var dest = {foo: 456, bar: 'qwerty', blah: /foo/}
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assign(dest, new SourceClass(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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