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cb97e37a92
* chart * index and number-format * char-composition and color * connection * dimension and math-expression * models * query * time-format * residual modules * change config of jest and eslint config * wip update package.json * fix lint * WithLegend import from superset-ui/core
69 lines
2.8 KiB
TypeScript
69 lines
2.8 KiB
TypeScript
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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import LazyFactory from '../../../src/dimension/svg/LazyFactory';
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describe('LazyFactory', () => {
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describe('createInContainer()', () => {
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it('creates node in the specified container', () => {
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const factory = new LazyFactory(() => document.createElement('div'));
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const div = factory.createInContainer();
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const innerDiv = factory.createInContainer(div);
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expect(div.parentNode).toEqual(document.body);
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expect(innerDiv.parentNode).toEqual(div);
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});
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it('reuses existing', () => {
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const factoryFn = jest.fn(() => document.createElement('div'));
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const factory = new LazyFactory(factoryFn);
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const div1 = factory.createInContainer();
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const div2 = factory.createInContainer();
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expect(div1).toBe(div2);
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expect(factoryFn).toHaveBeenCalledTimes(1);
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});
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});
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describe('removeFromContainer', () => {
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it('removes node from container', () => {
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const factory = new LazyFactory(() => document.createElement('div'));
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const div = factory.createInContainer();
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const innerDiv = factory.createInContainer(div);
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expect(div.parentNode).toEqual(document.body);
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expect(innerDiv.parentNode).toEqual(div);
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factory.removeFromContainer();
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factory.removeFromContainer(div);
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expect(div.parentNode).toBeNull();
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expect(innerDiv.parentNode).toBeNull();
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});
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it('does not remove if others are using', () => {
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const factory = new LazyFactory(() => document.createElement('div'));
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const div1 = factory.createInContainer();
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factory.createInContainer();
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factory.removeFromContainer();
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expect(div1.parentNode).toEqual(document.body);
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factory.removeFromContainer();
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expect(div1.parentNode).toBeNull();
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});
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it('does not crash if try to remove already removed node', () => {
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const factory = new LazyFactory(() => document.createElement('div'));
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factory.createInContainer();
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factory.removeFromContainer();
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expect(() => factory.removeFromContainer()).not.toThrow();
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});
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});
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});
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