mirror of
https://github.com/grafana/grafana.git
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118 lines
4.0 KiB
TypeScript
118 lines
4.0 KiB
TypeScript
import {
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addDays,
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addHours,
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differenceInCalendarDays,
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differenceInMinutes,
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format,
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isBefore,
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parseISO,
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toDate,
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} from 'date-fns';
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import { e2e } from '@grafana/e2e';
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e2e.scenario({
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describeName: 'Dashboard time zone support',
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itName: 'Tests dashboard time zone scenarios',
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addScenarioDataSource: false,
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addScenarioDashBoard: false,
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skipScenario: false,
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scenario: () => {
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e2e.flows.openDashboard({ uid: '5SdHCasdf' });
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const fromTimeZone = 'UTC';
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const toTimeZone = 'America/Chicago';
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const offset = offsetBetweenTimeZones(toTimeZone, fromTimeZone);
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const panelsToCheck = [
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'Random walk series',
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'Millisecond res x-axis and tooltip',
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'2 yaxis and axis labels',
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'Stacking value ontop of nulls',
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'Null between points',
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'Legend Table No Scroll Visible',
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];
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const timesInUtc: Record<string, string> = {};
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for (const title of panelsToCheck) {
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e2e.components.Panels.Panel.containerByTitle(title)
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.should('be.visible')
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.within(() =>
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e2e.components.Panels.Visualization.Graph.xAxis
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.labels()
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.should('be.visible')
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.last()
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.should((element) => {
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timesInUtc[title] = element.text();
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})
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);
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}
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e2e.components.PageToolbar.item('Dashboard settings').click();
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e2e.components.TimeZonePicker.containerV2()
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.should('be.visible')
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.within(() => {
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e2e.components.Select.singleValue().should('have.text', 'Coordinated Universal Time');
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e2e.components.Select.input().should('be.visible').click();
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});
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e2e.components.Select.option().should('be.visible').contains(toTimeZone).click();
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// click to go back to the dashboard.
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e2e.components.BackButton.backArrow().click({ force: true });
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e2e.components.RefreshPicker.runButtonV2().should('be.visible').click();
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for (const title of panelsToCheck) {
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e2e.components.Panels.Panel.containerByTitle(title)
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.should('be.visible')
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.within(() =>
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e2e.components.Panels.Visualization.Graph.xAxis
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.labels()
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.should('be.visible')
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.last()
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.should((element) => {
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const inUtc = timesInUtc[title];
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const inTz = element.text();
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const isCorrect = isTimeCorrect(inUtc, inTz, offset);
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expect(isCorrect, `Expect the panel "${title}" to have the new timezone applied but isn't`).to.be.equal(
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true
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);
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})
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);
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}
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},
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});
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const isTimeCorrect = (inUtc: string, inTz: string, offset: number): boolean => {
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if (inUtc === inTz) {
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// we need to catch issues when timezone isn't changed for some reason like https://github.com/grafana/grafana/issues/35504
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return false;
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}
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const reference = format(new Date(), 'yyyy-LL-dd');
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const utcDate = toDate(parseISO(`${reference} ${inUtc}`));
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const utcDateWithOffset = addHours(toDate(parseISO(`${reference} ${inUtc}`)), offset);
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const dayDifference = differenceInCalendarDays(utcDate, utcDateWithOffset); // if the utcDate +/- offset is the day before/after then we need to adjust reference
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const dayOffset = isBefore(utcDateWithOffset, utcDate) ? dayDifference * -1 : dayDifference;
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const tzDate = addDays(toDate(parseISO(`${reference} ${inTz}`)), dayOffset); // adjust tzDate with any dayOffset
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const diff = Math.abs(differenceInMinutes(utcDate, tzDate)); // use Math.abs if tzDate is in future
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return diff <= Math.abs(offset * 60);
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};
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const offsetBetweenTimeZones = (timeZone1: string, timeZone2: string, when: Date = new Date()): number => {
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const t1 = convertDateToAnotherTimeZone(when, timeZone1);
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const t2 = convertDateToAnotherTimeZone(when, timeZone2);
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return (t1.getTime() - t2.getTime()) / (1000 * 60 * 60);
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};
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const convertDateToAnotherTimeZone = (date: Date, timeZone: string): Date => {
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const dateString = date.toLocaleString('en-US', {
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timeZone: timeZone,
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});
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return new Date(dateString);
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};
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