57 lines
1.7 KiB
TypeScript
57 lines
1.7 KiB
TypeScript
import { mergeMeasurements } from '../src/sync/syncService'
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import { Measurement } from '../src/types'
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jest.mock('expo-sqlite', () => ({
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openDatabaseAsync: jest.fn(),
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}))
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const base: Measurement = {
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id: 'id-1',
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weight: 75,
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bmi: 22,
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bodyFatPercentage: 15,
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fatMass: 10,
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musclePercentage: 40,
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muscleMass: 30,
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visceralFat: 8,
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bmr: 1600,
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measuredAt: '2024-06-01T08:00:00.000Z',
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createdAt: '2024-06-01T08:00:00.000Z',
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updatedAt: '2024-06-01T08:00:00.000Z',
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syncStatus: 'local',
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}
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describe('mergeMeasurements', () => {
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it('returns empty array when both are empty', () => {
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expect(mergeMeasurements([], [])).toEqual([])
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})
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it('keeps local items not on remote', () => {
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const result = mergeMeasurements([base], [])
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expect(result).toHaveLength(1)
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expect(result[0].id).toBe('id-1')
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})
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it('keeps remote items not on local', () => {
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const remote = { ...base, syncStatus: 'synced' as const }
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const result = mergeMeasurements([], [remote])
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expect(result).toHaveLength(1)
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expect(result[0].id).toBe('id-1')
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})
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it('picks the newer version when both have same id', () => {
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const local = { ...base, weight: 75, updatedAt: '2024-06-02T08:00:00.000Z' }
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const remote = { ...base, weight: 76, updatedAt: '2024-06-03T08:00:00.000Z' }
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const result = mergeMeasurements([local], [remote])
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expect(result).toHaveLength(1)
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expect(result[0].weight).toBe(76)
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})
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it('picks local when local is newer', () => {
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const local = { ...base, weight: 77, updatedAt: '2024-06-04T08:00:00.000Z' }
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const remote = { ...base, weight: 76, updatedAt: '2024-06-03T08:00:00.000Z' }
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const result = mergeMeasurements([local], [remote])
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expect(result).toHaveLength(1)
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expect(result[0].weight).toBe(77)
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})
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})
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