// Copyright (c) 2020 The Jaeger Authors // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. import { formatDuration, ONE_MILLISECOND, ONE_SECOND, ONE_MINUTE, ONE_HOUR, ONE_DAY } from './date'; describe('formatDuration', () => { it('keeps microseconds the same', () => { expect(formatDuration(1)).toBe('1μs'); }); it('displays a maximum of 2 units and rounds the last one', () => { const input = 10 * ONE_DAY + 13 * ONE_HOUR + 30 * ONE_MINUTE; expect(formatDuration(input)).toBe('10d 14h'); }); it('skips units that are empty', () => { const input = 2 * ONE_DAY + 5 * ONE_MINUTE; expect(formatDuration(input)).toBe('2d'); }); it('displays milliseconds in decimals', () => { const input = 2 * ONE_MILLISECOND + 357; expect(formatDuration(input)).toBe('2.36ms'); }); it('displays seconds in decimals', () => { const input = 2 * ONE_SECOND + 357 * ONE_MILLISECOND; expect(formatDuration(input)).toBe('2.36s'); }); it('displays minutes in split units', () => { const input = 2 * ONE_MINUTE + 30 * ONE_SECOND + 555 * ONE_MILLISECOND; expect(formatDuration(input)).toBe('2m 31s'); }); it('displays hours in split units', () => { const input = 2 * ONE_HOUR + 30 * ONE_MINUTE + 30 * ONE_SECOND; expect(formatDuration(input)).toBe('2h 31m'); }); it('displays times less than a μs', () => { const input = 0.1; expect(formatDuration(input)).toBe('0.1μs'); }); it('displays times of 0', () => { const input = 0; expect(formatDuration(input)).toBe('0μs'); }); it('skips secondary units that are a whole multiple of the primary unit', () => { const input = 299898037.75; expect(formatDuration(input)).toBe('5m'); }); });