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test: add /healthz endpoint test coverage #13

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Merged
akurinnoy merged 2 commits into from
Jul 9, 2026
Merged

test: add /healthz endpoint test coverage #13

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cc82300
test: add /healthz endpoint test coverage
akurinnoy May 25, 2026
c0f9031
fix: add status code assertion to healthz content-type test
akurinnoy Jul 9, 2026
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56 changes: 56 additions & 0 deletions tests/server.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,62 @@ describe('startHttpServer', () => {
}
});

it('returns Content-Type text/plain on GET /healthz', async () => {
vi.doMock('../src/tools.js', () => ({
createMcpServer: () => ({ connect: vi.fn() }),
}));

const { startHttpServer } = await import('../src/server.js');
const httpServer = await startHttpServer(0);
const port = (httpServer.address() as any).port;

try {
const res = await fetch(`http://localhost:${port}/healthz`);
expect(res.status).toBe(200);
expect(res.headers.get('content-type')).toBe('text/plain');
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} finally {
httpServer.close();
}
});

it('returns 404 for POST /healthz', async () => {
vi.doMock('../src/tools.js', () => ({
createMcpServer: () => ({ connect: vi.fn() }),
}));

const { startHttpServer } = await import('../src/server.js');
const httpServer = await startHttpServer(0);
const port = (httpServer.address() as any).port;

try {
const res = await fetch(`http://localhost:${port}/healthz`, {
method: 'POST',
});
expect(res.status).toBe(404);
} finally {
httpServer.close();
}
});

it('returns 404 for PUT /healthz', async () => {
vi.doMock('../src/tools.js', () => ({
createMcpServer: () => ({ connect: vi.fn() }),
}));

const { startHttpServer } = await import('../src/server.js');
const httpServer = await startHttpServer(0);
const port = (httpServer.address() as any).port;

try {
const res = await fetch(`http://localhost:${port}/healthz`, {
method: 'PUT',
});
expect(res.status).toBe(404);
} finally {
httpServer.close();
}
});

it('returns 404 for unknown paths', async () => {
vi.doMock('../src/tools.js', () => ({
createMcpServer: () => ({ connect: vi.fn() }),
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