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🪟 🐛 Fix test assertion in datepicker tests #20188

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merged 3 commits into from
Dec 7, 2022
Merged

🪟 🐛 Fix test assertion in datepicker tests #20188

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0da82c7
fix test assertion and mock TZ
josephkmh Dec 7, 2022
bbeff70
fix typo
josephkmh Dec 7, 2022
e942c4f
Merge branch 'master' into joey/fix-datepicker-test-assertion
josephkmh Dec 7, 2022
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5 changes: 4 additions & 1 deletion airbyte-webapp/src/components/ui/DatePicker/DatePicker.test.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -26,12 +26,15 @@ describe(`${toEquivalentLocalTime.name}`, () => {
});

it("outputs the same YYYY-MM-DDTHH:mm:ss", () => {
timezoneMock.register("Etc/GMT+10");
const TEST_TIMEZONE_UTC_OFFSET_IN_MINUTES = 600; // corresponds to GMT+10
const TEST_UTC_TIMESTAMP = "2000-01-01T12:00:00Z";

const result = toEquivalentLocalTime(TEST_UTC_TIMESTAMP);

// Regardless of the timezone, the local time should be the same
expect(result?.toISOString().substring(0, 19)).toEqual(TEST_UTC_TIMESTAMP.substring(0, 19));
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Date.toISOString() is always set to the UTC timezone, so this assertion would only work in a UTC timezone.

Instead, we can assert that toEquivalentLocalTime() has the expected timezone offset with Date.getTimezoneOffset() and that dayjs.format(), which outputs a local timezone, will have the same YYYY-MM-DDTHH:mm:ss value.

expect(dayjs(result).format().substring(0, 19)).toEqual(TEST_UTC_TIMESTAMP.substring(0, 19));
expect(result?.getTimezoneOffset()).toEqual(TEST_TIMEZONE_UTC_OFFSET_IN_MINUTES);
});

it("converts utc time to equivalent local time in PST", () => {
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