297 lines
8.8 KiB
JavaScript
297 lines
8.8 KiB
JavaScript
// This test written in mocha+should.js
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var should = require('./init.js');
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var db, Book, Chapter, Author, Reader, Publisher;
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describe('relations', function () {
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before(function (done) {
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db = getSchema();
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Book = db.define('Book', {name: String});
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Chapter = db.define('Chapter', {name: {type: String, index: true}});
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Author = db.define('Author', {name: String});
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Reader = db.define('Reader', {name: String});
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db.automigrate(function () {
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Book.destroyAll(function () {
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Chapter.destroyAll(function () {
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Author.destroyAll(function () {
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Reader.destroyAll(done);
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});
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});
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});
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});
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});
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after(function () {
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// db.disconnect();
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});
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describe('hasMany', function () {
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it('can be declared in different ways', function (done) {
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Book.hasMany(Chapter);
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Book.hasMany(Reader, {as: 'users'});
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Book.hasMany(Author, {foreignKey: 'projectId'});
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var b = new Book;
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b.chapters.should.be.an.instanceOf(Function);
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b.users.should.be.an.instanceOf(Function);
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b.authors.should.be.an.instanceOf(Function);
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Object.keys((new Chapter).toObject()).should.include('bookId');
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Object.keys((new Author).toObject()).should.include('projectId');
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db.automigrate(done);
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});
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it('can be declared in short form', function (done) {
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Author.hasMany('readers');
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(new Author).readers.should.be.an.instanceOf(Function);
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Object.keys((new Reader).toObject()).should.include('authorId');
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db.autoupdate(done);
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});
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it('should build record on scope', function (done) {
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Book.create(function (err, book) {
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var c = book.chapters.build();
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c.bookId.should.equal(book.id);
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c.save(done);
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});
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});
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it('should create record on scope', function (done) {
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Book.create(function (err, book) {
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book.chapters.create(function (err, c) {
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should.not.exist(err);
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should.exist(c);
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c.bookId.should.equal(book.id);
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done();
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});
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});
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});
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it('should fetch all scoped instances', function (done) {
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Book.create(function (err, book) {
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book.chapters.create({name: 'a'}, function () {
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book.chapters.create({name: 'z'}, function () {
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book.chapters.create({name: 'c'}, function () {
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fetch(book);
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});
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});
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});
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});
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function fetch(book) {
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book.chapters(function (err, ch) {
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should.not.exist(err);
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should.exist(ch);
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ch.should.have.lengthOf(3);
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book.chapters({order: 'name DESC'}, function (e, c) {
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should.not.exist(e);
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should.exist(c);
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c.shift().name.should.equal('z');
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c.pop().name.should.equal('a');
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done();
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});
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});
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}
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});
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it('should find scoped record', function (done) {
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var id;
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Book.create(function (err, book) {
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book.chapters.create({name: 'a'}, function (err, ch) {
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id = ch.id;
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book.chapters.create({name: 'z'}, function () {
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book.chapters.create({name: 'c'}, function () {
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fetch(book);
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});
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});
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});
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});
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function fetch(book) {
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book.chapters.findById(id, function (err, ch) {
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should.not.exist(err);
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should.exist(ch);
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ch.id.should.equal(id);
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done();
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});
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}
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});
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it('should set targetClass on scope property', function() {
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should.equal(Book.prototype.chapters._targetClass, 'Chapter');
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});
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});
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describe('belongsTo', function () {
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var List, Item, Fear, Mind;
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it('can be declared in different ways', function () {
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List = db.define('List', {name: String});
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Item = db.define('Item', {name: String});
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Fear = db.define('Fear');
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Mind = db.define('Mind');
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// syntax 1 (old)
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Item.belongsTo(List);
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Object.keys((new Item).toObject()).should.include('listId');
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(new Item).list.should.be.an.instanceOf(Function);
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// syntax 2 (new)
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Fear.belongsTo('mind');
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Object.keys((new Fear).toObject()).should.include('mindId');
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(new Fear).mind.should.be.an.instanceOf(Function);
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// (new Fear).mind.build().should.be.an.instanceOf(Mind);
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});
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it('can be used to query data', function (done) {
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List.hasMany('todos', {model: Item});
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db.automigrate(function () {
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List.create(function (e, list) {
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should.not.exist(e);
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should.exist(list);
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list.todos.create(function (err, todo) {
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todo.list(function (e, l) {
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should.not.exist(e);
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should.exist(l);
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l.should.be.an.instanceOf(List);
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todo.list().should.equal(l.id);
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done();
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});
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});
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});
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});
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});
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it('could accept objects when creating on scope', function (done) {
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List.create(function (e, list) {
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should.not.exist(e);
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should.exist(list);
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Item.create({list: list}, function (err, item) {
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should.not.exist(err);
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should.exist(item);
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should.exist(item.listId);
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item.listId.should.equal(list.id);
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item.__cachedRelations.list.should.equal(list);
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done();
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});
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});
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});
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});
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describe('hasOne', function () {
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var Supplier, Account;
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before(function () {
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db = getSchema();
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Supplier = db.define('Supplier', {name: String});
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Account = db.define('Account', {accountNo: String});
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});
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it('can be declared using hasOne method', function () {
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Supplier.hasOne(Account);
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Object.keys((new Account()).toObject()).should.include('supplierId');
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(new Supplier()).account.should.be.an.instanceOf(Function);
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});
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it('can be used to query data', function (done) {
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// Supplier.hasOne(Account);
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db.automigrate(function () {
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Supplier.create({name: 'Supplier 1'}, function (e, supplier) {
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should.not.exist(e);
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should.exist(supplier);
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supplier.account.create({accountNo: 'a01'}, function (err, account) {
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supplier.account(function (e, act) {
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should.not.exist(e);
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should.exist(act);
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act.should.be.an.instanceOf(Account);
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supplier.account().should.equal(act.id);
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done();
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});
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});
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});
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});
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});
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});
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describe('hasAndBelongsToMany', function () {
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var Article, Tag, ArticleTag;
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it('can be declared', function (done) {
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Article = db.define('Article', {title: String});
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Tag = db.define('Tag', {name: String});
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Article.hasAndBelongsToMany('tags');
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ArticleTag = db.models.ArticleTag;
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db.automigrate(function () {
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Article.destroyAll(function () {
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Tag.destroyAll(function () {
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ArticleTag.destroyAll(done)
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});
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});
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});
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});
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it('should allow to create instances on scope', function (done) {
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Article.create(function (e, article) {
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article.tags.create({name: 'popular'}, function (e, t) {
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t.should.be.an.instanceOf(Tag);
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// console.log(t);
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ArticleTag.findOne(function (e, at) {
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should.exist(at);
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at.tagId.toString().should.equal(t.id.toString());
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at.articleId.toString().should.equal(article.id.toString());
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done();
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});
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});
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});
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});
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it('should allow to fetch scoped instances', function (done) {
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Article.findOne(function (e, article) {
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article.tags(function (e, tags) {
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should.not.exist(e);
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should.exist(tags);
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done();
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});
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});
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});
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it('should allow to add connection with instance', function (done) {
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Article.findOne(function (e, article) {
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Tag.create({name: 'awesome'}, function (e, tag) {
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article.tags.add(tag, function (e, at) {
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should.not.exist(e);
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should.exist(at);
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at.should.be.an.instanceOf(ArticleTag);
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at.tagId.should.equal(tag.id);
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at.articleId.should.equal(article.id);
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done();
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});
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});
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});
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});
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it('should allow to remove connection with instance', function (done) {
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Article.findOne(function (e, article) {
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article.tags(function (e, tags) {
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var len = tags.length;
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tags.should.not.be.empty;
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article.tags.remove(tags[0], function (e) {
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should.not.exist(e);
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article.tags(true, function (e, tags) {
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tags.should.have.lengthOf(len - 1);
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done();
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});
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});
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});
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});
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});
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it('should set targetClass on scope property', function() {
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should.equal(Article.prototype.tags._targetClass, 'Tag');
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});
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});
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});
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