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a17d54d0bf
Using arrow functions changes `this` context, which is undesired in tests, e.g. it makes it impossible to setup things like pretender (`this.server`) in `beforeEach` hooks. Ember guides always use classic functions in examples (e.g. https://guides.emberjs.com/release/testing/test-types/), and that's what it uses in its own test suite, as do various addons and ember apps. It was also already used in Discourse where `this` was required. Moving forward, it will be needed in more places as we migrate toward ember-cli. (I might later add a custom rule to eslint-discourse-ember to enforce this)
169 lines
3.4 KiB
JavaScript
169 lines
3.4 KiB
JavaScript
import DateWithZoneHelper from "./date-with-zone-helper";
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const PARIS = "Europe/Paris";
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const SYDNEY = "Australia/Sydney";
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module("lib:date-with-zone-helper");
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function buildDateHelper(params = {}) {
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return new DateWithZoneHelper({
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year: params.year || 2020,
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day: params.day || 22,
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month: params.month || 2,
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hour: params.hour || 10,
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minute: params.minute || 5,
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timezone: params.timezone,
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localTimezone: PARIS,
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});
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}
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test("#format", function (assert) {
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let date = buildDateHelper({
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day: 15,
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month: 2,
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hour: 15,
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minute: 36,
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timezone: PARIS,
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});
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assert.equal(date.format(), "2020-03-15T15:36:00.000+01:00");
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});
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test("#repetitionsBetweenDates", function (assert) {
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let date;
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date = buildDateHelper({
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day: 15,
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month: 1,
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hour: 15,
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minute: 36,
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timezone: PARIS,
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});
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assert.equal(
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date.repetitionsBetweenDates(
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"1.hour",
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moment.tz("2020-02-15 15:36", SYDNEY)
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),
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10,
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"it correctly finds difference between timezones"
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);
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date = buildDateHelper({
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day: 15,
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month: 1,
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hour: 15,
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minute: 36,
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timezone: PARIS,
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});
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assert.equal(
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date.repetitionsBetweenDates(
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"1.minute",
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moment.tz("2020-02-15 15:36", PARIS)
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),
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0,
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"it correctly finds no difference"
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);
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date = buildDateHelper({
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day: 15,
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month: 1,
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hour: 15,
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minute: 36,
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timezone: PARIS,
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});
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assert.equal(
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date.repetitionsBetweenDates(
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"1.minute",
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moment.tz("2020-02-15 15:37", PARIS)
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),
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1,
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"it correctly finds no difference"
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);
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date = buildDateHelper({
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day: 15,
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month: 1,
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hour: 15,
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minute: 36,
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timezone: PARIS,
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});
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assert.equal(
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date.repetitionsBetweenDates(
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"2.minute",
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moment.tz("2020-02-15 15:41", PARIS)
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),
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2.5,
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"it correctly finds difference with a multiplicator"
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);
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});
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test("#add", function (assert) {
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let date;
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let futureLocalDate;
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date = buildDateHelper({
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day: 19,
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month: 2,
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hour: 15,
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minute: 36,
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timezone: PARIS,
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});
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assert.notOk(date.isDST());
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futureLocalDate = date.add(8, "months");
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assert.notOk(futureLocalDate.isDST());
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assert.equal(
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futureLocalDate.format(),
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"2020-11-19T15:36:00.000+01:00",
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"it correctly adds from a !isDST date to a !isDST date"
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);
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date = buildDateHelper({
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day: 25,
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month: 3,
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hour: 15,
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minute: 36,
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timezone: PARIS,
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});
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assert.ok(date.isDST());
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futureLocalDate = date.add(1, "year");
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assert.ok(futureLocalDate.isDST());
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assert.equal(
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futureLocalDate.format(),
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"2021-04-25T15:36:00.000+02:00",
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"it correctly adds from a isDST date to a isDST date"
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);
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date = buildDateHelper({
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day: 25,
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month: 2,
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hour: 15,
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minute: 36,
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timezone: PARIS,
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});
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assert.notOk(date.isDST());
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futureLocalDate = date.add(1, "week");
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assert.ok(futureLocalDate.isDST());
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assert.equal(
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futureLocalDate.format(),
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"2020-04-01T15:36:00.000+02:00",
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"it correctly adds from a !isDST date to a isDST date"
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);
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date = buildDateHelper({
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day: 1,
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month: 3,
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hour: 15,
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minute: 36,
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timezone: PARIS,
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});
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assert.ok(date.isDST());
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futureLocalDate = date.add(8, "months");
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assert.notOk(futureLocalDate.isDST());
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assert.equal(
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futureLocalDate.format(),
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"2020-12-01T15:36:00.000+01:00",
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"it correctly adds from a isDST date to a !isDST date"
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);
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});
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