57 lines
1.7 KiB
TypeScript
57 lines
1.7 KiB
TypeScript
import { describe, it, expect, vi, type Mock } from 'vitest';
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import { GetAnalyticsMetricsUseCase, type GetAnalyticsMetricsInput, type GetAnalyticsMetricsOutput } from './GetAnalyticsMetricsUseCase';
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import type { Logger, UseCaseOutputPort } from '@core/shared/application';
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describe('GetAnalyticsMetricsUseCase', () => {
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let logger: Logger;
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let output: UseCaseOutputPort<GetAnalyticsMetricsOutput> & { present: Mock };
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let useCase: GetAnalyticsMetricsUseCase;
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beforeEach(() => {
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logger = {
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debug: vi.fn(),
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info: vi.fn(),
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warn: vi.fn(),
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error: vi.fn(),
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} as unknown as Logger;
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output = {
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present: vi.fn(),
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};
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useCase = new GetAnalyticsMetricsUseCase(
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logger,
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output,
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);
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});
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it('presents default metrics and logs retrieval when no input is provided', async () => {
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const result = await useCase.execute();
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expect(result.isOk()).toBe(true);
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expect(output.present).toHaveBeenCalledWith({
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pageViews: 0,
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uniqueVisitors: 0,
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averageSessionDuration: 0,
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bounceRate: 0,
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});
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expect((logger.info as unknown as Mock)).toHaveBeenCalled();
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});
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it('uses provided date range and presents error when execute throws', async () => {
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const input: GetAnalyticsMetricsInput = {
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startDate: new Date('2024-01-01'),
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endDate: new Date('2024-01-31'),
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};
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// Simulate an error by temporarily spying on logger.info to throw
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(logger.info as unknown as Mock).mockImplementation(() => {
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throw new Error('Logging failed');
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});
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const result = await useCase.execute(input);
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expect(result.isErr()).toBe(true);
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expect((logger.error as unknown as Mock)).toHaveBeenCalled();
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});
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}); |