import { describe, it, expect, expectTypeOf } from 'vitest'; import { Carrier, CarrierOptions, PackageConfig, PackageUpdate, OptionNames, USPSOptions, FedExOptions, UPSOptions, isUSPSConfig, isFedExConfig, isUPSConfig } from './types'; import { createConfig, updateConfig, getDefaultOptions } from './config'; describe('Carrier Options Interfaces', () => { it('USPSOptions should have correct properties', () => { const options: USPSOptions = { signature: true, insurance: 100, priority: true }; expect(options.signature).toBe(true); expect(options.insurance).toBe(100); expect(options.priority).toBe(true); }); it('FedExOptions should have correct properties', () => { const options: FedExOptions = { signature: true, insurance: 500, saturdayDelivery: true, holdAtLocation: 'LOC123' }; expect(options.saturdayDelivery).toBe(true); expect(options.holdAtLocation).toBe('LOC123'); }); it('UPSOptions should have correct properties', () => { const options: UPSOptions = { signature: false, insurance: 200, carbonNeutral: true, accessPoint: 'AP456' }; expect(options.carbonNeutral).toBe(true); expect(options.accessPoint).toBe('AP456'); }); }); describe('CarrierOptions Mapped Type', () => { it('should map usps to USPSOptions', () => { type Result = CarrierOptions['usps']; expectTypeOf().toEqualTypeOf(); }); it('should map fedex to FedExOptions', () => { type Result = CarrierOptions['fedex']; expectTypeOf().toEqualTypeOf(); }); it('should map ups to UPSOptions', () => { type Result = CarrierOptions['ups']; expectTypeOf().toEqualTypeOf(); }); }); describe('PackageConfig Generic', () => { it('should have correct type for USPS config', () => { const config: PackageConfig<'usps'> = { carrier: 'usps', weight: 5, options: { signature: true, insurance: 100, priority: false } }; expect(config.carrier).toBe('usps'); expect(config.options.priority).toBe(false); }); it('should have correct type for FedEx config', () => { const config: PackageConfig<'fedex'> = { carrier: 'fedex', weight: 10, options: { signature: true, insurance: 500, saturdayDelivery: true } }; expect(config.options.saturdayDelivery).toBe(true); }); }); describe('PackageUpdate Type', () => { it('should allow partial weight update', () => { const update: PackageUpdate<'usps'> = { weight: 7 }; expect(update.weight).toBe(7); }); it('should allow partial options update', () => { const update: PackageUpdate<'fedex'> = { options: { saturdayDelivery: true } }; expect(update.options?.saturdayDelivery).toBe(true); }); }); describe('OptionNames Conditional Type', () => { it('should extract USPS option names', () => { type Names = OptionNames<'usps'>; expectTypeOf().toEqualTypeOf<'signature' | 'insurance' | 'priority'>(); }); it('should extract FedEx option names', () => { type Names = OptionNames<'fedex'>; expectTypeOf().toEqualTypeOf<'signature' | 'insurance' | 'saturdayDelivery' | 'holdAtLocation'>(); }); }); describe('Type Guards', () => { const uspsConfig: PackageConfig<'usps'> = { carrier: 'usps', weight: 5, options: { signature: false, insurance: 0, priority: false } }; const fedexConfig: PackageConfig<'fedex'> = { carrier: 'fedex', weight: 10, options: { signature: true, insurance: 100, saturdayDelivery: false } }; it('isUSPSConfig should identify USPS configs', () => { expect(isUSPSConfig(uspsConfig)).toBe(true); expect(isUSPSConfig(fedexConfig)).toBe(false); }); it('isFedExConfig should identify FedEx configs', () => { expect(isFedExConfig(fedexConfig)).toBe(true); expect(isFedExConfig(uspsConfig)).toBe(false); }); }); describe('createConfig Function', () => { it('should create USPS config', () => { const config = createConfig('usps', 5, { signature: true, insurance: 100, priority: true }); expect(config.carrier).toBe('usps'); expect(config.weight).toBe(5); expect(config.options.priority).toBe(true); }); it('should create FedEx config', () => { const config = createConfig('fedex', 10, { signature: false, insurance: 0, saturdayDelivery: true }); expect(config.carrier).toBe('fedex'); expect(config.options.saturdayDelivery).toBe(true); }); }); describe('updateConfig Function', () => { it('should update weight only', () => { const original = createConfig('usps', 5, { signature: true, insurance: 100, priority: false }); const updated = updateConfig(original, { weight: 10 }); expect(updated.weight).toBe(10); expect(updated.options.signature).toBe(true); // Unchanged }); it('should partially update options', () => { const original = createConfig('fedex', 5, { signature: false, insurance: 0, saturdayDelivery: false }); const updated = updateConfig(original, { options: { saturdayDelivery: true } }); expect(updated.options.saturdayDelivery).toBe(true); expect(updated.options.signature).toBe(false); // Unchanged expect(updated.options.insurance).toBe(0); // Unchanged }); }); describe('getDefaultOptions Function', () => { it('should return USPS defaults', () => { const defaults = getDefaultOptions('usps'); expect(defaults.signature).toBe(false); expect(defaults.insurance).toBe(0); expect(defaults.priority).toBe(false); }); it('should return FedEx defaults', () => { const defaults = getDefaultOptions('fedex'); expect(defaults.signature).toBe(false); expect(defaults.saturdayDelivery).toBe(false); }); it('should return UPS defaults', () => { const defaults = getDefaultOptions('ups'); expect(defaults.carbonNeutral).toBe(false); }); });

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