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fix(mcp-analytics): freeze the clock in timeBuckets interval tests #92543

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fix(mcp-analytics): freeze the clock in timeBuckets interval tests #92543

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36 changes: 23 additions & 13 deletions products/mcp_analytics/frontend/timeBuckets.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -154,24 +154,34 @@ describe('timeBuckets', () => {
['-1y', 'day', 'day'], // 367 daily buckets: fits, and beats the auto-choice
['-1y', null, 'month'], // nothing pinned: the auto-choice
])('groups a %s window pinned to %s by %s', (dateFrom, pinned, expected) => {
expect(resolveInterval(dateFrom, null, 'UTC', pinned as IntervalType | null)).toBe(expected)
jest.useFakeTimers().setSystemTime(new Date('2026-06-18T12:00:00Z'))
try {
expect(resolveInterval(dateFrom, null, 'UTC', pinned as IntervalType | null)).toBe(expected)
} finally {
jest.useRealTimers()
}
})
})

describe('intervalOptionsForWindow', () => {
it('disables the intervals that would smear or collapse the window', () => {
expect(intervalOptionsForWindow('-1y', null, 'UTC')).toEqual([
{ value: 'hour', label: 'Hour', disabledReason: 'Range too long' },
{ value: 'day', label: 'Day', disabledReason: null },
{ value: 'week', label: 'Week', disabledReason: null },
{ value: 'month', label: 'Month', disabledReason: null },
])
expect(intervalOptionsForWindow('-7d', null, 'UTC')).toEqual([
{ value: 'hour', label: 'Hour', disabledReason: null },
{ value: 'day', label: 'Day', disabledReason: null },
{ value: 'week', label: 'Week', disabledReason: null },
{ value: 'month', label: 'Month', disabledReason: 'Range too short' },
])
jest.useFakeTimers().setSystemTime(new Date('2026-06-18T12:00:00Z'))
try {
expect(intervalOptionsForWindow('-1y', null, 'UTC')).toEqual([
{ value: 'hour', label: 'Hour', disabledReason: 'Range too long' },
{ value: 'day', label: 'Day', disabledReason: null },
{ value: 'week', label: 'Week', disabledReason: null },
{ value: 'month', label: 'Month', disabledReason: null },
])
expect(intervalOptionsForWindow('-7d', null, 'UTC')).toEqual([
{ value: 'hour', label: 'Hour', disabledReason: null },
{ value: 'day', label: 'Day', disabledReason: null },
{ value: 'week', label: 'Week', disabledReason: null },
{ value: 'month', label: 'Month', disabledReason: 'Range too short' },
])
} finally {
jest.useRealTimers()
}
})
})
})
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