Initial commit
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zhongjin
@@ -0,0 +1,355 @@
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var Backbone = require('backbone');
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var QuerySchemaModel = require('builder/data/query-schema-model');
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var QueryRowsCollection = require('builder/data/query-rows-collection');
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describe('data/query-rows-collection', function () {
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beforeEach(function () {
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this.configModel = new Backbone.Model();
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this.querySchemaModel = new QuerySchemaModel({}, {
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configModel: this.configModel
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});
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spyOn(this.querySchemaModel, 'setError');
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spyOn(QueryRowsCollection.prototype, 'fetch').and.callThrough();
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this.collection = new QueryRowsCollection([], {
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querySchemaModel: this.querySchemaModel,
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configModel: this.configModel
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});
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this.collection.sync = function (a, b, opts) {
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opts = opts || {};
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opts.success && opts.success();
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};
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});
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describe('._initModels', function () {
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it('should init models', function () {
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expect(this.collection.statusModel).toBeDefined();
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});
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});
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describe('setTableName', function () {
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it('should not change tableName when it is renamed but it is not referenced', function () {
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this.collection.reset([{ id: 'hola' }]);
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expect(this.collection.at(0)._tableName).toBe(undefined);
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this.collection.setTableName('two');
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expect(this.collection.at(0)._tableName).toBeUndefined();
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expect(this.collection._tableName).toBeUndefined();
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});
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it('should change tableName from itself and its children when it is renamed', function () {
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this.collection.reset([{ id: 'hola' }]);
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this.collection._tableName = 'one';
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expect(this.collection.at(0)._tableName).toBe(undefined);
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this.collection.setTableName('two');
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expect(this.collection.at(0)._tableName).toBe('two');
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expect(this.collection._tableName).toBe('two');
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});
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});
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describe('._initBinds', function () {
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it('should change status and reset data when query-schema-model query changes', function () {
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this.collection.statusModel.set('status', 'fetched');
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this.collection.reset([{ id: 'hola' }]);
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this.querySchemaModel.set('query', 'dummy query hey!');
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expect(this.collection.statusModel.get('status')).toBe('unfetched');
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expect(this.collection.size()).toBe(0);
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expect(this.collection.canFetch()).toBeFalsy();
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expect(this.collection.shouldFetch()).toBeFalsy();
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});
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it('should bind _onColumnsCollectionReset callback when "_querySchemaModel" is defined', function () {
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spyOn(this.collection, 'listenTo');
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expect(this.collection.listenTo).not.toHaveBeenCalled();
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this.collection._initBinds();
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expect(this.collection.listenTo).toHaveBeenCalledTimes(3);
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});
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it('should not bind _onColumnsCollectionReset callback when "_querySchemaModel" is not defined', function () {
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// mock querySchemaModel object
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this.collection._querySchemaModel = false;
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spyOn(this.collection, 'listenTo');
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expect(this.collection.listenTo).not.toHaveBeenCalled();
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this.collection._initBinds();
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expect(this.collection.listenTo).toHaveBeenCalledTimes(2);
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});
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it('should fetch new data when the column collection is changed', function () {
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spyOn(this.collection, 'shouldFetch').and.returnValue(true);
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spyOn(this.collection, '_onQuerySchemaQueryChange');
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expect(this.collection.fetch).not.toHaveBeenCalled();
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this.collection._querySchemaModel.columnsCollection.trigger('reset');
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expect(this.collection.fetch).toHaveBeenCalledTimes(1);
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expect(this.collection._onQuerySchemaQueryChange).toHaveBeenCalledTimes(1);
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});
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it('should not fetch new data when the column collection is changed but shouldn\'t fetch', function () {
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spyOn(this.collection, 'shouldFetch').and.returnValue(false);
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spyOn(this.collection, '_onQuerySchemaQueryChange');
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expect(this.collection.fetch).not.toHaveBeenCalled();
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this.collection._querySchemaModel.columnsCollection.trigger('reset');
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expect(this.collection.fetch).not.toHaveBeenCalled();
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expect(this.collection._onQuerySchemaQueryChange).toHaveBeenCalled();
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});
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});
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describe('.canFetch', function () {
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it('should allow to fetch if _querySchemaModel is ready and fetched, not errored, and doesn\'t have query', function () {
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this.configModel = new Backbone.Model();
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this.querySchemaModel = new QuerySchemaModel({
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query: 'SELECT * FROM table',
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ready: true
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}, {
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configModel: this.configModel
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});
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spyOn(this.querySchemaModel, 'isFetched').and.returnValue(true);
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spyOn(this.querySchemaModel, 'isErrored').and.returnValue(false);
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this.collection = new QueryRowsCollection([], {
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querySchemaModel: this.querySchemaModel,
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configModel: this.configModel
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});
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expect(this.collection.canFetch()).toBe(true);
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});
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it('should not allow to fetch if _querySchemaModel doesn\'t have query', function () {
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this.configModel = new Backbone.Model();
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this.querySchemaModel = new QuerySchemaModel({
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ready: true
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}, {
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configModel: this.configModel
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});
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spyOn(this.querySchemaModel, 'isFetched').and.returnValue(true);
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spyOn(this.querySchemaModel, 'isErrored').and.returnValue(false);
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this.collection = new QueryRowsCollection([], {
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querySchemaModel: this.querySchemaModel,
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configModel: this.configModel
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});
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expect(this.collection.canFetch()).toBe(false);
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});
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it('should not allow to fetch if _querySchemaModel isn\'t ready', function () {
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this.configModel = new Backbone.Model();
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this.querySchemaModel = new QuerySchemaModel({
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query: 'SELECT * FROM table',
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ready: false
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}, {
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configModel: this.configModel
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});
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spyOn(this.querySchemaModel, 'isFetched').and.returnValue(true);
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spyOn(this.querySchemaModel, 'isErrored').and.returnValue(false);
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this.collection = new QueryRowsCollection([], {
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querySchemaModel: this.querySchemaModel,
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configModel: this.configModel
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});
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expect(this.collection.canFetch()).toBe(false);
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});
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it('should not allow to fetch if _querySchemaModel has not been already fetched', function () {
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this.configModel = new Backbone.Model();
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this.querySchemaModel = new QuerySchemaModel({
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query: 'SELECT * FROM table',
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ready: true
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}, {
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configModel: this.configModel
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});
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spyOn(this.querySchemaModel, 'isFetched').and.returnValue(false);
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spyOn(this.querySchemaModel, 'isErrored').and.returnValue(false);
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this.collection = new QueryRowsCollection([], {
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querySchemaModel: this.querySchemaModel,
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configModel: this.configModel
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});
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expect(this.collection.canFetch()).toBe(false);
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});
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it('should not allow to fetch if _querySchemaModel is errored', function () {
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this.configModel = new Backbone.Model();
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this.querySchemaModel = new QuerySchemaModel({
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query: 'SELECT * FROM table',
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ready: true
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}, {
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configModel: this.configModel
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});
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spyOn(this.querySchemaModel, 'isFetched').and.returnValue(true);
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spyOn(this.querySchemaModel, 'isErrored').and.returnValue(true);
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this.collection = new QueryRowsCollection([], {
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querySchemaModel: this.querySchemaModel,
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configModel: this.configModel
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});
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expect(this.collection.canFetch()).toBe(false);
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});
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});
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describe('.isDone', function () {
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describe('when status is fetched', function () {
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it('should return true', function () {
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spyOn(this.collection, 'isFetched').and.returnValue(true);
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expect(this.collection.isDone()).toBe(true);
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});
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});
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describe('when status is errored', function () {
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it('should return true', function () {
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spyOn(this.collection, 'isErrored').and.returnValue(true);
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expect(this.collection.isDone()).toBe(true);
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});
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});
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});
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describe('.isEmpty', function () {
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it('should rise an exeption if this function is called', function (done) {
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try {
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this.collection.isEmpty();
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} catch (error) {
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expect(error).toBeDefined();
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done();
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}
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});
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});
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describe('.isEmptyAsync', function () {
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describe('when collection is isInFinalStatus', function () {
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beforeEach(function () {
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spyOn(this.collection, 'isInFinalStatus').and.returnValue(true);
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});
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describe('when collection is empty', function () {
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it('should return true', function (done) {
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this.collection.isEmptyAsync()
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.then(function (response) {
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expect(response).toBe(true);
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done();
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});
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});
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});
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describe('when collection is not isInFinalStatus', function () {
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it('should return false', function (done) {
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this.collection.add({});
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this.collection.isEmptyAsync()
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.then(function (response) {
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expect(response).toBe(false);
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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('when collection is not isInFinalStatus', function () {
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beforeEach(function () {
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spyOn(this.collection, 'isInFinalStatus').and.returnValue(false);
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});
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describe('when collection is empty', function () {
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it('should return true', function (done) {
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this.collection.isEmptyAsync()
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.then(function (response) {
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expect(response).toBe(true);
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done();
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});
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setTimeout(function () {
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this.collection.trigger('inFinalStatus');
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}.bind(this), 0);
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});
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});
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describe('when collection is not empty', function () {
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it('should return false', function (done) {
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this.collection.add({});
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this.collection.isEmptyAsync()
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.then(function (response) {
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expect(response).toBe(false);
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done();
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});
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setTimeout(function () {
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this.collection.trigger('inFinalStatus');
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}.bind(this), 0);
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});
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});
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});
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});
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describe('.isFetching', function () {
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it('should change "state" when is fetched', function () {
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expect(this.collection.isFetching()).toBeFalsy();
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this.collection.sync = function () {};
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this.collection.fetch();
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expect(this.collection.isFetching()).toBeTruthy();
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});
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it('should change "state" when fetch has finished', function () {
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this.collection.fetch();
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expect(this.collection.isFetching()).toBeFalsy();
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expect(this.collection.isFetched()).toBeTruthy();
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});
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it('should change "state" when fetch has failed', function () {
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this.collection.sync = function (a, b, opts) {
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opts && opts.error();
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};
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this.collection.fetch();
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expect(this.collection.isFetching()).toBeFalsy();
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expect(this.collection.isFetched()).toBeFalsy();
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});
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});
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describe('.fetch', function () {
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it('should call _onQueryRowsCollectionError when success response has property error', function () {
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var requestResponse = {
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error: ['Postgres Error']
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};
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spyOn(Backbone.Collection.prototype, 'fetch').and.callFake(function (options) {
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options.success([], requestResponse, options);
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});
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this.collection.fetch();
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expect(this.querySchemaModel.setError).toHaveBeenCalledWith(requestResponse.error);
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});
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});
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describe('.getStatusValue', function () {
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it('should return the status', function () {
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this.collection.statusModel.set('status', 'test');
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expect(this.collection.getStatusValue()).toEqual('test');
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});
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});
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});
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