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e2764f2675
* fix: p95 calculation Something seemed off so had another stab at it using resp_calls * feat: simplified weighted avg p95 * feat: tweak it slightly * feat: try one with a fallback * feat: add test for percentile calculating
46 lines
1.6 KiB
TypeScript
46 lines
1.6 KiB
TypeScript
import { describe, it, expect } from 'vitest'
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import { formatDuration } from './QueryPerformance.utils'
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import { calculatePercentilesFromHistogram } from './WithMonitor/WithMonitor.utils'
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describe('formatDuration', () => {
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it('should format seconds', () => {
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expect(formatDuration(1000)).toBe('1.00s')
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expect(formatDuration(30000)).toBe('30.00s')
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})
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it('should format minutes and seconds', () => {
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expect(formatDuration(60000)).toBe('1m')
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expect(formatDuration(125000)).toBe('2m 5s')
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})
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it('should format hours, minutes and seconds', () => {
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expect(formatDuration(3600000)).toBe('1h')
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expect(formatDuration(3661000)).toBe('1h 1m 1s')
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})
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it('should format days, hours, minutes and seconds', () => {
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expect(formatDuration(86400000)).toBe('1d')
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expect(formatDuration(90061000)).toBe('1d 1h 1m 1s')
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})
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})
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describe('calculatePercentilesFromHistogram', () => {
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it('should return zero for empty histogram', () => {
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const result = calculatePercentilesFromHistogram([])
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expect(result.p95).toBe(0)
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})
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it('should return valid p95 for typical distribution', () => {
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const result = calculatePercentilesFromHistogram([10, 20, 30, 20, 10, 10])
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expect(result.p95).toBeGreaterThan(0)
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expect(result.p95).toBeGreaterThanOrEqual(result.p50)
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})
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it('should return consistent p95 for same input', () => {
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const histogram = [10, 20, 30, 20, 10, 10]
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const result1 = calculatePercentilesFromHistogram(histogram)
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const result2 = calculatePercentilesFromHistogram(histogram)
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expect(result1.p95).toBe(result2.p95)
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})
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})
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