Allow multiple hasmany associations of the same model

lib/associations/has-many.js

@@ -18,8 +18,8 @@ module.exports = (function() {
       this.source.tableName,
       this.isSelfAssociation ? (this.options.as || this.target.tableName) : this.target.tableName
     )
-    this.associationAccessor = this.combinedName = (this.options.joinTableName || combinedTableName)
-    this.options.tableName = this.combinedName
+    this.options.tableName = this.combinedName = (this.options.joinTableName || combinedTableName)
+    this.associationAccessor = this.options.as || this.combinedName
 
     var as = (this.options.as || Utils.pluralize(this.target.tableName, this.target.options.language))
 

test/associations/belongs-to.test.js

-/* jshint camelcase: false */
+/* jshint camelcase: false, expr: true */
 var chai      = require('chai')
   , expect    = chai.expect
   , Support   = require(__dirname + '/../support')
@@ -7,6 +7,18 @@ var chai      = require('chai')
 chai.Assertion.includeStack = true
 
 describe(Support.getTestDialectTeaser("BelongsTo"), function() {
+  describe("Model.associations", function () {
+    it("should store all assocations when associting to the same table multiple times", function () {
+      var User = this.sequelize.define('User', {})
+        , Group = this.sequelize.define('Group', {});
+
+      Group.belongsTo(User, { foreignKey: 'primaryGroupId', as: 'primaryUsers' });
+      Group.belongsTo(User, { foreignKey: 'secondaryGroupId', as: 'secondaryUsers' });
+
+      expect(Object.keys(Group.associations)).to.deep.equal(['primaryUsers', 'secondaryUsers'])
+    })
+  })
+
   describe('setAssociation', function() {
     it('can set the association with declared primary keys...', function(done) {
       var User = this.sequelize.define('UserXYZ', { user_id: {type: DataTypes.INTEGER, primaryKey: true }, username: DataTypes.STRING })

test/associations/has-many.test.js

-/* jshint camelcase: false */
+/* jshint camelcase: false, expr: true */
 var chai      = require('chai')
   , expect    = chai.expect
   , Support   = require(__dirname + '/../support')
@@ -11,6 +11,18 @@ var chai      = require('chai')
 chai.Assertion.includeStack = true
 
 describe(Support.getTestDialectTeaser("HasMany"), function() {
+  describe("Model.associations", function () {
+    it("should store all assocations when associting to the same table multiple times", function () {
+      var User = this.sequelize.define('User', {})
+        , Group = this.sequelize.define('Group', {});
+
+      Group.hasMany(User, { foreignKey: 'primaryGroupId', as: 'primaryUsers' });
+      Group.hasMany(User, { foreignKey: 'secondaryGroupId', as: 'secondaryUsers' });
+
+      expect(Object.keys(Group.associations)).to.deep.equal(['primaryUsers', 'secondaryUsers'])
+    })
+  })
+
   describe('(1:N)', function() {
     describe('hasSingle', function() {
       beforeEach(function(done) {

test/associations/has-one.test.js

-/* jshint camelcase: false */
+/* jshint camelcase: false, expr: true */
 var chai      = require('chai')
   , expect    = chai.expect
   , Support   = require(__dirname + '/../support')
@@ -7,6 +7,18 @@ var chai      = require('chai')
 chai.Assertion.includeStack = true
 
 describe(Support.getTestDialectTeaser("HasOne"), function() {
+  describe("Model.associations", function () {
+    it("should store all assocations when associting to the same table multiple times", function () {
+      var User = this.sequelize.define('User', {})
+        , Group = this.sequelize.define('Group', {});
+
+      Group.hasOne(User, { foreignKey: 'primaryGroupId', as: 'primaryUsers' });
+      Group.hasOne(User, { foreignKey: 'secondaryGroupId', as: 'secondaryUsers' });
+
+      expect(Object.keys(Group.associations)).to.deep.equal(['primaryUsers', 'secondaryUsers'])
+    })
+  })
+
   describe('getAssocation', function() {
     it('should be able to handle a where object that\'s a first class citizen.', function(done) {
       var User = this.sequelize.define('UserXYZ', { username: Sequelize.STRING })

test/dao-factory.test.js

@@ -1887,6 +1887,23 @@ describe(Support.getTestDialectTeaser("DAOFactory"), function () {
             })
           })
         })
+
+        it('allows mulitple assocations of the same model with different alias', function (done) {
+          var self = this
+
+          this.Worker.belongsTo(this.Task, { as: 'ToDo' })
+          this.Worker.belongsTo(this.Task, { as: 'DoTo' })
+          this.init(function () {
+            self.Worker.find({
+              include: [
+                { model: self.Task, as: 'ToDo' },
+                { model: self.Task, as: 'DoTo' }
+              ]
+            }).success(function () {
+              done()
+            })
+          })
+        })
       })
 
       describe('hasOne', function() {
@@ -2008,6 +2025,23 @@ describe(Support.getTestDialectTeaser("DAOFactory"), function () {
               done()
             })
           })
+
+           it('allows mulitple assocations of the same model with different alias', function (done) {
+            var self = this
+
+            this.Worker.hasOne(this.Task, { as: 'DoTo' })
+            this.init(function () {
+              self.Worker.find({
+                include: [
+                  { model: self.Task, as: 'ToDo' },
+                  { model: self.Task, as: 'DoTo' }
+                ]
+              }).success(function () {
+                // Just being able to include both is shows that this test works, so no assertions
+                done()
+              })
+            })
+          })
         })
       })
 
@@ -2134,6 +2168,22 @@ describe(Support.getTestDialectTeaser("DAOFactory"), function () {
               done()
             })
           })
+
+          it('allows mulitple assocations of the same model with different alias', function (done) {
+            var self = this
+
+            this.Worker.hasMany(this.Task, { as: 'DoTos' })
+            this.init(function () {
+              self.Worker.find({
+                include: [
+                  { model: self.Task, as: 'ToDos' },
+                  { model: self.Task, as: 'DoTos' }
+                ]
+              }).success(function () {
+                done()
+              })
+            })
+          })
         })
       })
     })