36 lines
1.4 KiB
TypeScript
36 lines
1.4 KiB
TypeScript
/*
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Copyright 2022 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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export const REPEATABLE_DATE = new Date(2022, 10, 17, 16, 58, 32, 517);
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// allow setting default locale and set timezone
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// defaults to en-GB / Europe/London
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// so tests run the same everywhere
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export const mockIntlDateTimeFormat = (defaultLocale = "en-GB", defaultTimezone = "Europe/London"): void => {
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// unmock so we can use real DateTimeFormat in mockImplementation
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if (jest.isMockFunction(global.Intl.DateTimeFormat)) {
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unmockIntlDateTimeFormat();
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}
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const DateTimeFormat = Intl.DateTimeFormat;
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jest.spyOn(global.Intl, "DateTimeFormat").mockImplementation(
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(locale, options) => new DateTimeFormat(locale || defaultLocale, { ...options, timeZone: defaultTimezone }),
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);
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};
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export const unmockIntlDateTimeFormat = (): void => {
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jest.spyOn(global.Intl, "DateTimeFormat").mockRestore();
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};
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