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53 lines
1.9 KiB
TypeScript
53 lines
1.9 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 getScrollBarSize, {
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CUSTOM_SCROLLBAR_SIZE,
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getCustomScrollBarSize,
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} from '../../../src/DataTable/utils/getScrollBarSize';
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test('getScrollBarSize measures the native scrollbar without any custom styling probe', () => {
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const appendSpy = jest.spyOn(document.head, 'append');
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getScrollBarSize(true);
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expect(appendSpy).not.toHaveBeenCalled();
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appendSpy.mockRestore();
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});
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test('getCustomScrollBarSize measures the probe using the shared custom scrollbar size', () => {
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const appendSpy = jest.spyOn(document.head, 'append');
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getCustomScrollBarSize(true);
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const styleEl = appendSpy.mock.calls
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.map(args => args[0])
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.find((node): node is HTMLStyleElement => node instanceof HTMLStyleElement);
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expect(styleEl?.textContent).toContain(`width: ${CUSTOM_SCROLLBAR_SIZE}px`);
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appendSpy.mockRestore();
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});
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test('CUSTOM_SCROLLBAR_SIZE matches the custom scrollbar width rendered in the sticky table', () => {
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// useSticky.tsx's scrollBarStyles must stay in sync with this constant so
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// the sticky header's shrink amount always matches the body's real
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// scrollbar width.
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expect(CUSTOM_SCROLLBAR_SIZE).toBe(8);
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});
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