takt/src/__tests__/slackWebhook.test.ts
2026-02-11 15:02:03 +09:00

136 lines
3.7 KiB
TypeScript

/**
* Unit tests for Slack Incoming Webhook notification
*/
import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
import { sendSlackNotification, getSlackWebhookUrl } from '../shared/utils/slackWebhook.js';
describe('sendSlackNotification', () => {
const webhookUrl = 'https://hooks.slack.com/services/T00/B00/xxx';
beforeEach(() => {
vi.restoreAllMocks();
});
it('should send POST request with correct payload', async () => {
// Given
const mockFetch = vi.fn().mockResolvedValue({ ok: true, status: 200 });
vi.stubGlobal('fetch', mockFetch);
// When
await sendSlackNotification(webhookUrl, 'Hello from TAKT');
// Then
expect(mockFetch).toHaveBeenCalledOnce();
expect(mockFetch).toHaveBeenCalledWith(
webhookUrl,
expect.objectContaining({
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ text: 'Hello from TAKT' }),
}),
);
});
it('should include AbortSignal for timeout', async () => {
// Given
const mockFetch = vi.fn().mockResolvedValue({ ok: true, status: 200 });
vi.stubGlobal('fetch', mockFetch);
// When
await sendSlackNotification(webhookUrl, 'test');
// Then
const callArgs = mockFetch.mock.calls[0]![1] as RequestInit;
expect(callArgs.signal).toBeInstanceOf(AbortSignal);
});
it('should write to stderr on non-ok response', async () => {
// Given
const mockFetch = vi.fn().mockResolvedValue({
ok: false,
status: 403,
statusText: 'Forbidden',
});
vi.stubGlobal('fetch', mockFetch);
const stderrSpy = vi.spyOn(process.stderr, 'write').mockReturnValue(true);
// When
await sendSlackNotification(webhookUrl, 'test');
// Then: no exception thrown, error written to stderr
expect(stderrSpy).toHaveBeenCalledWith(
'Slack webhook failed: HTTP 403 Forbidden\n',
);
});
it('should write to stderr on fetch error without throwing', async () => {
// Given
const mockFetch = vi.fn().mockRejectedValue(new Error('network timeout'));
vi.stubGlobal('fetch', mockFetch);
const stderrSpy = vi.spyOn(process.stderr, 'write').mockReturnValue(true);
// When
await sendSlackNotification(webhookUrl, 'test');
// Then: no exception thrown, error written to stderr
expect(stderrSpy).toHaveBeenCalledWith(
'Slack webhook error: network timeout\n',
);
});
it('should handle non-Error thrown values', async () => {
// Given
const mockFetch = vi.fn().mockRejectedValue('string error');
vi.stubGlobal('fetch', mockFetch);
const stderrSpy = vi.spyOn(process.stderr, 'write').mockReturnValue(true);
// When
await sendSlackNotification(webhookUrl, 'test');
// Then
expect(stderrSpy).toHaveBeenCalledWith(
'Slack webhook error: string error\n',
);
});
});
describe('getSlackWebhookUrl', () => {
const envKey = 'TAKT_NOTIFY_WEBHOOK';
let originalValue: string | undefined;
beforeEach(() => {
originalValue = process.env[envKey];
});
afterEach(() => {
if (originalValue === undefined) {
delete process.env[envKey];
} else {
process.env[envKey] = originalValue;
}
});
it('should return the webhook URL when environment variable is set', () => {
// Given
process.env[envKey] = 'https://hooks.slack.com/services/T00/B00/xxx';
// When
const url = getSlackWebhookUrl();
// Then
expect(url).toBe('https://hooks.slack.com/services/T00/B00/xxx');
});
it('should return undefined when environment variable is not set', () => {
// Given
delete process.env[envKey];
// When
const url = getSlackWebhookUrl();
// Then
expect(url).toBeUndefined();
});
});