Added collections and a specific Users collection

adunkman · adunkman · commit f8395595a080 · 2012-02-22T23:41:53.000-06:00
diff --git a/collections/users.coffee b/collections/users.coffee
@@ -0,0 +1,18 @@
+StoredCollection = require '../data/storedCollection'
+
+class Users extends StoredCollection
+  constructor: () -> super
+
+  find: () ->
+    if arguments.length is 1
+      criteria = {}
+      [callback] = arguments
+
+    if arguments.length is 2
+      [criteria, callback] = arguments
+      
+    super('users', criteria, callback)
+
+  all: (callback) -> @find(callback)
+
+module.exports = Users
diff --git a/data/storedCollection.coffee b/data/storedCollection.coffee
@@ -0,0 +1,10 @@
+InMemoryDataAdapter = require './adapters/inMemory'
+
+class StoredCollection
+  constructor: () ->
+    @_adapter = new InMemoryDataAdapter()
+
+  find: (collection, criteria, callback) ->
+    @_adapter.find(collection, criteria, callback)
+
+module.exports = StoredCollection
diff --git a/test/collections/users_test.coffee b/test/collections/users_test.coffee
@@ -0,0 +1,53 @@
+vows = require 'vows'
+should = require 'should'
+Users = require '../../collections/users'
+
+vows.describe('Users (collections/users)').addBatch(
+  'when find() is called with just a callback': {
+    topic: () -> getUsers('test1').find(@callback)
+
+    'it should call find() in \'users\' collection on base': (err, items) ->
+      callsToFind.test1.should.have.length(1)
+      callsToFind.test1[0].should.have.length(3)
+      callsToFind.test1[0][0].should.equal('users')
+
+    'it should call find() with empty criteria on base': (err, items) ->
+      callsToFind.test1[0][1].should.eql({})
+  }
+
+  'when find() is called with criteria and a callback': {
+    topic: (users) -> getUsers('test2').find({ 'one': true }, @callback)
+
+    'it should call find() in \'users\' collection on base': (err, items) ->
+      callsToFind.test2.should.have.length(1)
+      callsToFind.test2[0].should.have.length(3)
+      callsToFind.test2[0][0].should.equal('users')
+
+    'it should call find() with criteria on base': (err, items) ->
+      callsToFind.test2[0][1].should.eql({ 'one': true })
+  }
+
+  'when all() is called': {
+    topic: () -> getUsers('test3').all(@callback)
+
+    'it should call find() in \'users\' collection on base': (err, items) ->
+      callsToFind.test3.should.have.length(1)
+      callsToFind.test3[0].should.have.length(3)
+      callsToFind.test3[0][0].should.equal('users')
+
+    'it should call find() with empty criteria on base': (err, items) ->
+      callsToFind.test3[0][1].should.eql({})
+  }
+
+).export(module)
+
+callsToFind = {}
+
+getUsers = (key) ->
+  callsToFind[key] = []
+  users = new Users()
+  users._adapter =
+    find: (collection, criteria, callback) ->
+      callsToFind[key].push([collection, criteria, callback])
+      callback(null, [])
+  return users
diff --git a/test/data/storedCollection_test.coffee b/test/data/storedCollection_test.coffee
@@ -0,0 +1,35 @@
+vows = require 'vows'
+should = require 'should'
+StoredCollection = require '../../data/storedCollection'
+
+vows.describe('Base stored collection (data/storedCollection)').addBatch(
+  '': {
+    topic: () -> getStoredCollection()
+
+    'when find() is called': {
+      topic: (storedCollection) -> 
+        storedCollection.find('testCollection', {
+          'one': true
+        }, @callback)
+      
+      'it should call the adapter\'s find() method': (err, attributes) ->
+        callsToFind.should.have.length(1)
+      
+      'it should pass collection and attributes to the adapter': (err, attributes) ->
+        callsToFind[0].should.have.length(3)
+        callsToFind[0][0].should.equal('testCollection')
+        callsToFind[0][1].should.eql({ 'one': true })
+        callsToFind[0][2].should.equal(@callback)
+    }
+  }
+).export(module)
+
+callsToFind = []
+
+getStoredCollection = () ->
+  storedCollection = new StoredCollection()
+  storedCollection._adapter = 
+    find: (collection, criteria, callback) ->
+      callsToFind.push([collection, criteria, callback])
+      callback(null, criteria)
+  return storedCollection
