Adding some tests for the Node class
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spec/parser/javascript/node_spec.js
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286
spec/parser/javascript/node_spec.js
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import Node from 'src/js/parser/javascript/node.js';
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import Q from 'q';
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import Snap from 'snapsvg';
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describe('parser/javascript/node.js', function() {
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beforeEach(function() {
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Node.state = {};
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this.node = new Node();
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});
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it('references the state from Node.state', function() {
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Node.state.example = 'example state';
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expect(this.node.state.example).toEqual('example state');
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});
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describe('module setter', function() {
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it('extends the node with the module', function() {
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this.node.module = { example: 'value' };
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expect(this.node.example).toEqual('value');
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});
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it('calls the module #setup method', function() {
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var setup = jasmine.createSpy('setup');
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this.node.module = { setup };
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expect(setup).toHaveBeenCalled();
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});
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it('sets up any defined properties', function() {
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this.node.module = {
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definedProperties: {
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example: {
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get: function() { return 'value'; }
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}
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}
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};
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expect(this.node.example).toEqual('value');
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});
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});
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describe('container setter', function() {
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it('adds a class to the container element', function() {
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var container = jasmine.createSpyObj('container', ['addClass']);
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this.node.type = 'example type';
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this.node.container = container;
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expect(container.addClass).toHaveBeenCalledWith('example type');
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});
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});
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describe('anchor getter', function() {
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describe('when a proxy node is used', function() {
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it('returns the anchor from the proxy', function() {
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this.node.proxy = { anchor: 'example anchor' };
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expect(this.node.anchor).toEqual('example anchor');
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});
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});
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describe('when a proxy node is not used', function() {
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it('returns anchor data from the bbox of the container merged _anchor of the node', function() {
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this.node._anchor = { example: 'value' };
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this.node.container = jasmine.createSpyObj('container', ['addClass', 'getBBox']);
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this.node.container.getBBox.and.returnValue({
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x: 'bbox x',
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x2: 'bbox x2',
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cy: 'bbox cy'
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});
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expect(this.node.anchor).toEqual({
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ax: 'bbox x',
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ax2: 'bbox x2',
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ay: 'bbox cy',
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example: 'value'
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});
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});
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});
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});
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describe('#getBBox', function() {
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it('returns the bbox of the container merged with the anchor', function() {
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this.node.proxy = {
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anchor: {
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anchor: 'example anchor'
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}
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};
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this.node.container = jasmine.createSpyObj('container', ['addClass', 'getBBox']);
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this.node.container.getBBox.and.returnValue({
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bbox: 'example bbox'
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});
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expect(this.node.getBBox()).toEqual({
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bbox: 'example bbox',
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anchor: 'example anchor'
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});
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});
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});
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describe('#normalizeBBox', function() {
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it('defaults the anchor keys to values from the bbox', function() {
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expect(this.node.normalizeBBox({
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x: 'bbox x',
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x2: 'bbox x2',
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cy: 'bbox cy',
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ay: 'bbox ay'
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})).toEqual({
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x: 'bbox x',
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x2: 'bbox x2',
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cy: 'bbox cy',
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ax: 'bbox x',
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ax2: 'bbox x2',
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ay: 'bbox ay'
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});
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});
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});
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describe('#transform', function() {
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it('returns the result of calling transform on the container', function() {
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this.node.container = jasmine.createSpyObj('container', ['addClass', 'transform']);
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this.node.container.transform.and.returnValue('transform result');
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expect(this.node.transform('matrix')).toEqual('transform result');
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expect(this.node.container.transform).toHaveBeenCalledWith('matrix');
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});
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});
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describe('#deferredStep', function() {
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it('resolves the returned promise when the render is not canceled', function(done) {
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var resolve = jasmine.createSpy('resolve'),
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reject = jasmine.createSpy('reject');
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this.node.deferredStep('result')
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.then(resolve, reject)
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.then(() => {
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expect(resolve).toHaveBeenCalledWith('result');
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expect(reject).not.toHaveBeenCalled();
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})
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.then(done);
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});
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it('rejects the returned promise when the render is canceled', function(done) {
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var resolve = jasmine.createSpy('resolve'),
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reject = jasmine.createSpy('reject');
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this.node.state.cancelRender = true;
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this.node.deferredStep('result', 'value')
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.then(resolve, reject)
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.then(() => {
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expect(resolve).not.toHaveBeenCalled();
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expect(reject).toHaveBeenCalledWith('Render cancelled');
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})
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.then(done);
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});
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});
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describe('#renderLabel', function() {
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pending();
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});
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describe('#startRender', function() {
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it('increments the renderCounter', function() {
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this.node.state.renderCounter = 0;
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this.node.startRender();
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expect(this.node.state.renderCounter).toEqual(1);
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});
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});
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describe('#doneRender', function() {
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pending();
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});
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describe('#render', function() {
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beforeEach(function() {
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this.container = jasmine.createSpyObj('container', ['addClass']);
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});
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describe('when a proxy node is used', function() {
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beforeEach(function() {
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this.node.proxy = jasmine.createSpyObj('proxy', ['render']);
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this.node.proxy.render.and.returnValue('example proxy result');
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});
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it('sets the container', function() {
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this.node.render(this.container);
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expect(this.node.container).toEqual(this.container);
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});
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it('calls the proxy render method', function() {
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expect(this.node.render(this.container)).toEqual('example proxy result');
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expect(this.node.proxy.render).toHaveBeenCalledWith(this.container);
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});
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});
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describe('when a proxy node is not used', function() {
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beforeEach(function() {
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this.deferred = Q.defer();
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this.node._render = jasmine.createSpy('_render').and.returnValue(this.deferred.promise);
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spyOn(this.node, 'startRender');
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spyOn(this.node, 'doneRender');
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});
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it('sets the container', function() {
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this.node.render(this.container);
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expect(this.node.container).toEqual(this.container);
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});
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it('calls #startRender', function() {
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this.node.render(this.container);
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expect(this.node.startRender).toHaveBeenCalled();
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});
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it('calls #_render', function() {
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this.node.render(this.container);
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expect(this.node._render).toHaveBeenCalled();
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});
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describe('when #_render is complete', function() {
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beforeEach(function() {
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this.deferred.resolve();
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});
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it('calls #doneRender', function(done) {
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this.node.render(this.container)
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.then(() => {
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expect(this.node.doneRender).toHaveBeenCalled();
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})
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.then(done);
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});
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it('ultimately resolves with the node instance', function(done) {
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this.node.render(this.container)
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.then(result => {
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expect(result).toEqual(this.node);
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})
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.then(done);
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});
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});
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});
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});
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describe('#spaceHorizontally', function() {
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pending();
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});
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describe('#spaceVertically', function() {
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pending();
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});
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describe('#renderLabeledBox', function() {
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pending();
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});
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});
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