helpers.spec: CoffeeScript to ES6.
This commit is contained in:
Julien Fontanet
parent
9eb939e38f
commit
6cb30adf5d
@ -1,244 +0,0 @@
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{expect: $expect} = require 'chai'
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$sinon = require 'sinon'
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#---------------------------------------------------------------------
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{$MappedCollection} = require './MappedCollection'
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$nonBindedHelpers = require './helpers'
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#=====================================================================
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describe 'Helper', ->
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# Shared variables.
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collection = $set = $sum = $val = null
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beforeEach ->
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# Creates the collection.
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collection = new $MappedCollection()
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# Dispatcher used for tests.
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collection.dispatch = -> (@genkey.split '.')[0]
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# Missing rules should be automatically created.
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collection.missingRule = collection.rule
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# # Monkey patch the collection to see all emitted events.
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# emit = collection.emit
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# collection.emit = (args...) ->
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# console.log args...
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# emit.call collection, args...
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# Binds helpers to this collection.
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{$set, $sum, $val} = do ->
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helpers = {}
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helpers[name] = fn.bind collection for name, fn of $nonBindedHelpers
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helpers
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#-------------------------------------------------------------------
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# All helpers share the same logical code, we need only to test one
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# extensively and test the others basically.
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#
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# $sum was chosen because it is the simplest helper to test.
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describe '$sum', ->
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it 'with single key', ->
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collection.set foo: 1
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collection.item sum: ->
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@val = $sum {
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key: 'foo'
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}
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$expect(collection.get 'sum').to.equal 1
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collection.set foo:2
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$expect(collection.get 'sum').to.equal 2
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collection.remove 'foo'
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$expect(collection.get 'sum').to.equal 0
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it 'with multiple keys', ->
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collection.set {
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foo: 1
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bar: 2
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}
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collection.item sum: ->
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@val = $sum {
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keys: ['foo', 'bar']
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}
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$expect(collection.get 'sum').to.equal 3
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collection.set bar:3
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$expect(collection.get 'sum').to.equal 4
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collection.remove 'foo'
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$expect(collection.get 'sum').to.equal 3
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# FIXME: This test fails but this feature is not used.
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it.skip 'with dynamic keys', ->
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collection.set {
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foo: 1
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bar: 2
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}
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collection.rule sum: ->
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@val = $sum {
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key: -> (@key.split '.')[1]
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}
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collection.set {
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'sum.foo': null
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'sum.bar': null
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}
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$expect(collection.get 'sum.foo').to.equal 1
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$expect(collection.get 'sum.bar').to.equal 2
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collection.remove 'bar'
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$expect(collection.get 'sum.foo').to.equal 1
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$expect(collection.get 'sum.bar').to.equal 0
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it 'with single rule', ->
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collection.set {
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'foo.1': 1
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'foo.2': 2
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}
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collection.item sum: ->
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@val = $sum {
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rule: 'foo'
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}
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$expect(collection.get 'sum').to.equal 3
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collection.set 'foo.2':3
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$expect(collection.get 'sum').to.equal 4
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collection.remove 'foo.1'
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$expect(collection.get 'sum').to.equal 3
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it 'with multiple rules', ->
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collection.set {
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'foo': 1
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'bar.1': 2
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'bar.2': 3
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}
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collection.item sum: ->
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@val = $sum {
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rules: ['foo', 'bar']
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}
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$expect(collection.get 'sum').to.equal 6
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collection.set 'bar.1':3
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$expect(collection.get 'sum').to.equal 7
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collection.remove 'bar.2'
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$expect(collection.get 'sum').to.equal 4
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it 'with bind', ->
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collection.set {
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'foo': {
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sum: 2 # This item will participate to `sum.2`.
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val: 1
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}
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'bar': {
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sum: 1 # This item will participate to `sum.1`.
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val: 2
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}
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}
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collection.rule sum: ->
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@val = $sum {
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bind: ->
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id = @val.sum
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return unless id?
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"sum.#{id}"
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val: -> @val.val
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}
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collection.set {
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'sum.1': null
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'sum.2': null
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}
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$expect(collection.get 'sum.1').equal 2
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$expect(collection.get 'sum.2').equal 1
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collection.set {
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'foo': {
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sum: 1
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val: 3
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}
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}
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$expect(collection.get 'sum.1').equal 5
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$expect(collection.get 'sum.2').equal 0
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collection.remove 'bar'
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$expect(collection.get 'sum.1').equal 3
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$expect(collection.get 'sum.2').equal 0
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it 'with predicate', ->
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collection.set {
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foo: 1
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bar: 2
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baz: 3
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}
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collection.item sum: ->
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@val = $sum {
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if: -> /^b/.test @rule
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}
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$expect(collection.get 'sum').equal 5
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collection.set foo:4
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$expect(collection.get 'sum').equal 5
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collection.set bar:5
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$expect(collection.get 'sum').equal 8
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collection.remove 'baz'
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$expect(collection.get 'sum').equal 5
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it 'with initial value', ->
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collection.set foo: 1
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collection.item sum: ->
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@val = $sum {
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key: 'foo'
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init: 2
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}
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$expect(collection.get 'sum').to.equal 3
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collection.set foo:2
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$expect(collection.get 'sum').to.equal 4
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collection.remove 'foo'
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$expect(collection.get 'sum').to.equal 2
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# TODO:
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# - dynamic keys
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# - dynamic rules
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270
src/helpers.spec.js
Normal file
270
src/helpers.spec.js
Normal file
@ -0,0 +1,270 @@
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/* eslint-env mocha */
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import $bind from 'lodash.bind'
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import $sinon from 'sinon'
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import {expect as $expect} from 'chai'
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import {$MappedCollection} from './MappedCollection'
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import * as $nonBindedHelpers from './helpers'
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// Enable source maps support for traces.
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import sourceMapSupport from 'source-map-support'
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sourceMapSupport.install()
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// ===================================================================
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describe('Helper', () => {
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// Shared variables.
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// let $set
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// let $val
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let $sum
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let collection
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beforeEach(() => {
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// Creates the collection.
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collection = new $MappedCollection()
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// Dispatcher used for tests.
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collection.dispatch = function () { return this.genkey.split('.')[0] }
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// Missing rules should be automatically created.
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collection.missingRule = collection.rule
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// // Monkey patch the collection to see all emitted events.
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// {
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// const {emit} = collection
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// collection.emit = (...args) => {
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// console.log(...args)
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// emit.call(collection, ...args)
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// }
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// }
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// Binds helpers to this collection.
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// $set = $bind($nonBindedHelpers.$set, collection)
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// $val = $bind($nonBindedHelpers.$val, collection)
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$sum = $bind($nonBindedHelpers.$sum, collection)
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})
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// -----------------------------------------------------------------
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// All helpers share the same logical code, we need only to test one
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// extensively and test the others basically.
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//
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// $sum was chosen because it is the simplest helper to test.
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describe('$sum', () => {
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it('with single key', () => {
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collection.set({ foo: 1 })
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collection.item('sum', function () {
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this.val = $sum({
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key: 'foo'
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})
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})
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$expect(collection.get('sum')).to.equal(1)
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collection.set({ foo: 2 })
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$expect(collection.get('sum')).to.equal(2)
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collection.remove('foo')
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$expect(collection.get('sum')).to.equal(0)
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})
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it('with multiple keys', () => {
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collection.set({
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foo: 1,
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bar: 2
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})
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collection.item('sum', function () {
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this.val = $sum({
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keys: ['foo', 'bar']
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})
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})
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$expect(collection.get('sum')).to.equal(3)
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collection.set({ bar: 3 })
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$expect(collection.get('sum')).to.equal(4)
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collection.remove('foo')
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$expect(collection.get('sum')).to.equal(3)
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})
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// FIXME: This test fails but this feature is not used.
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it.skip('with dynamic keys', () => {
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collection.set({
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foo: 1,
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bar: 2
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})
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collection.rule('sum', function () {
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this.val = $sum({
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key: function () { return this.genkey.split('.')[1] }
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})
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})
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collection.set({
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'sum.foo': null,
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'sum.bar': null
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})
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$expect(collection.get('sum.foo')).to.equal(1)
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$expect(collection.get('sum.bar')).to.equal(2)
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collection.remove('bar')
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$expect(collection.get('sum.foo')).to.equal(1)
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$expect(collection.get('sum.bar')).to.equal(0)
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})
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it('with single rule', () => {
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collection.set({
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'foo.1': 1,
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'foo.2': 2
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})
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collection.item('sum', function () {
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this.val = $sum({
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rule: 'foo'
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})
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})
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$expect(collection.get('sum')).to.equal(3)
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collection.set({ 'foo.2': 3 })
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$expect(collection.get('sum')).to.equal(4)
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collection.remove('foo.1')
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$expect(collection.get('sum')).to.equal(3)
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})
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it('with multiple rules', () => {
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collection.set({
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'foo': 1,
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'bar.1': 2,
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'bar.2': 3
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})
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collection.item('sum', function () {
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this.val = $sum({
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rules: ['foo', 'bar']
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})
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})
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$expect(collection.get('sum')).to.equal(6)
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collection.set({ 'bar.1': 3 })
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$expect(collection.get('sum')).to.equal(7)
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collection.remove('bar.2')
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$expect(collection.get('sum')).to.equal(4)
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})
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it('with bind', () => {
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collection.set({
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'foo': {
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sum: 2, // This item will participate to `sum.2`.
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val: 1
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},
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'bar': {
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sum: 1, // This item will participate to `sum.1`.
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val: 2
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}
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})
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collection.rule('sum', function () {
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this.val = $sum({
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bind: function () {
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const id = this.val.sum
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return id && `sum.${id}`
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},
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val: function () { return this.val.val }
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})
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})
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collection.set({
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'sum.1': null,
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'sum.2': null
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})
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$expect(collection.get('sum.1')).to.equal(2)
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$expect(collection.get('sum.2')).to.equal(1)
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collection.set({
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'foo': {
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sum: 1,
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val: 3
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}
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})
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$expect(collection.get('sum.1')).to.equal(5)
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$expect(collection.get('sum.2')).to.equal(0)
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collection.remove('bar')
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$expect(collection.get('sum.1')).to.equal(3)
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$expect(collection.get('sum.2')).to.equal(0)
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})
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it('with predicate', () => {
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collection.set({
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foo: 1,
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bar: 2,
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baz: 3
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})
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collection.item('sum', function () {
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this.val = $sum({
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if: function () { return /^b/.test(this.rule) }
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})
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})
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$expect(collection.get('sum')).to.equal(5)
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collection.set({ foo: 4 })
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$expect(collection.get('sum')).to.equal(5)
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collection.set({ bar: 5 })
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$expect(collection.get('sum')).to.equal(8)
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collection.remove('baz')
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$expect(collection.get('sum')).to.equal(5)
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})
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it('with initial value', () => {
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collection.set({ foo: 1 })
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collection.item('sum', function () {
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this.val = $sum({
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key: 'foo',
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init: 2
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})
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})
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$expect(collection.get('sum')).to.equal(3)
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collection.set({ foo: 2 })
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$expect(collection.get('sum')).to.equal(4)
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collection.remove('foo')
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$expect(collection.get('sum')).to.equal(2)
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})
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})
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// TODO:
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// - dynamic keys
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// - dynamic rules
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})
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Block a user