| 1 | var boo = require('../src/boo')
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| 2 |
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| 3 | describe('Module: boo', function() {
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| 4 |
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| 5 | describe('extend', function() {
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| 6 | it('- Should modify the first argument', function() {
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| 7 | var x = {}
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| 8 | boo.extend(x, {a: 1})
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| 9 | x.a.should.equal(1) })
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| 10 |
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| 11 | it('- Should use right-most precedence', function() {
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| 12 | var x = {a:1}
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| 13 | boo.extend(x, {b:1}, {a:2}, {c:3, b:3})
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| 14 | x.a.should.equal(2)
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| 15 | x.b.should.equal(3)
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| 16 | x.c.should.equal(3) })
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| 17 |
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| 18 | it('- Should clone mixins using the #to_data method', function() {
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| 19 | var x = {}
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| 20 | var y = {data:[], to_data:function(){ return { data:[] }}}
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| 21 | boo.extend(x, y)
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| 22 | x.data.push(1)
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| 23 | y.data.should.be.empty
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| 24 | x.data.length.should.equal(1)
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| 25 | x.data[0].should.equal(1) })
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| 26 | })
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| 27 |
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| 28 | describe('merge', function() {
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| 29 | it('- Should return merge all mixins in one object', function() {
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| 30 | var x = {a: 1}
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| 31 | var y = {b: 2}
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| 32 | var z = {a: 3}
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| 33 | var a = boo.merge(x, y, z)
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| 34 | a.a.should.equal(3)
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| 35 | a.b.should.equal(2)
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| 36 | })
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| 37 | it('- Should not modify any mixins', function() {
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| 38 | var x = {a: 1}
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| 39 | var y = {b: 2}
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| 40 | var z = {a: 3}
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| 41 | var a = boo.merge(x, y, z)
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| 42 | x.a.should.equal(1)
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| 43 | y.b.should.equal(2)
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| 44 | z.a.should.equal(3)
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| 45 | })
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| 46 | })
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| 47 |
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| 48 | describe('derive', function() {
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| 49 | it('- Should make a new object inheriting from proto', function() {
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| 50 | var foo = {a:1}
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| 51 | var bar = boo.derive(foo, {a:2})
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| 52 | bar.a.should.equal(2)
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| 53 | foo.isPrototypeOf(bar).should.be.true })
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| 54 |
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| 55 | it('- Should extend the new object with the given mixins', function() {
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| 56 | var foo = {a:1}
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| 57 | var bar = boo.derive(foo, {b:2, c:3, a:4})
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| 58 | foo.should.not.have.property('b')
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| 59 | foo.should.not.have.property('c')
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| 60 | foo.a.should.equal(1)
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| 61 | bar.a.should.equal(4)
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| 62 | bar.b.should.equal(2)
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| 63 | bar.c.should.equal(3) })
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| 64 | })
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| 65 |
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| 66 | describe('Object: Base', function() {
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| 67 | describe('make', function() {
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| 68 | it('- Should clone `this`', function() {
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| 69 | var x = boo.Base.make()
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| 70 | boo.Base.isPrototypeOf(x).should.be.true })
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| 71 |
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| 72 | it('- Should apply the `init` method, if present', function(){
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| 73 | var y = boo.Base.derive({init:function(n){ this.a = n }})
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| 74 | var z = y.make(3)
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| 75 | z.a.should.equal(3) })
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| 76 | })
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| 77 |
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| 78 | describe('derive', function() {
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| 79 | it('- Should derive from `this`', function(){
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| 80 | var bar = boo.Base.derive({a:2})
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| 81 | boo.Base.isPrototypeOf(bar).should.be.true })
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| 82 |
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| 83 | it('- Should extend the new object with the gven mixins', function() {
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| 84 | var bar = boo.Base.derive({a:2}, {b:3}, {c:4})
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| 85 | bar.a.should.equal(2)
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| 86 | bar.b.should.equal(3)
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| 87 | bar.c.should.equal(4) })
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| 88 | })
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| 89 | })
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| 90 | }) |
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