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fix(frontend): make the trial subscription summary test clock-independent #215

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Merged
acamarata merged 1 commit into from
Oct 25, 2026
Merged

fix(frontend): make the trial subscription summary test clock-independent #215

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32 changes: 23 additions & 9 deletions frontend/src/lib/billing/__tests__/subscription-state-machine.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1029,19 +1029,33 @@ describe("getSubscriptionSummary", () => {
expect(summary.canPause).toBe(true);
});

it("should create summary for trial subscription", () => {
const trialEndsAt = new Date();
trialEndsAt.setDate(trialEndsAt.getDate() + 7);
describe("trial subscription", () => {
const DAY_MS = 24 * 60 * 60 * 1000;

const subscription = createTestSubscription({
state: "trial",
trialEndsAt,
afterEach(() => {
jest.useRealTimers();
});

const summary = getSubscriptionSummary(subscription);
// Fixed clocks, including one a week before the US DST fall-back
// (2026-11-01), where "now + 7 calendar days" is 7 days + 1 hour apart.
it.each([
"2026-06-15T12:00:00.000Z",
"2026-10-25T01:28:00.000Z",
"2027-01-31T23:59:59.000Z",
])("should create summary for trial subscription (now=%s)", (nowIso) => {
jest.useFakeTimers().setSystemTime(new Date(nowIso));
const trialEndsAt = new Date(Date.now() + 7 * DAY_MS);

expect(summary.isInTrial).toBe(true);
expect(summary.trialDaysRemaining).toBe(7);
const subscription = createTestSubscription({
state: "trial",
trialEndsAt,
});

const summary = getSubscriptionSummary(subscription);

expect(summary.isInTrial).toBe(true);
expect(summary.trialDaysRemaining).toBe(7);
});
});

it("should indicate canceling state", () => {
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