test: add tests for intent api

Author: oscarwroche

packages/bridge-status-controller/src/intent-api.test.ts

@@ -0,0 +1,91 @@
+// intent-api.test.ts
+import { describe, it, expect, jest } from '@jest/globals';
+import { IntentApiImpl, type IntentSubmissionParams } from './intent-api'; // adjust if needed
+import type { FetchFunction } from './types'; // adjust if needed
+
+describe('IntentApiImpl', () => {
+  const baseUrl = 'https://example.com/api';
+
+  const makeParams = (): IntentSubmissionParams => ({
+    srcChainId: '1',
+    quoteId: 'quote-123',
+    signature: '0xsig',
+    order: { some: 'payload' },
+    userAddress: '0xabc',
+    aggregatorId: 'agg-1',
+  });
+
+  // Key part: strongly type the mock as FetchFunction (returns Promise<unknown>)
+  const makeFetchMock = () =>
+    jest.fn<ReturnType<FetchFunction>, Parameters<FetchFunction>>();
+
+  it('submitIntent calls POST /submitOrder with JSON body and returns response', async () => {
+    const fetchFn = makeFetchMock().mockResolvedValue({ ok: true, id: 'resp' });
+    const api = new IntentApiImpl(baseUrl, fetchFn);
+
+    const params = makeParams();
+    const result = await api.submitIntent(params);
+
+    expect(result).toEqual({ ok: true, id: 'resp' });
+    expect(fetchFn).toHaveBeenCalledTimes(1);
+    expect(fetchFn).toHaveBeenCalledWith(`${baseUrl}/submitOrder`, {
+      method: 'POST',
+      headers: { 'Content-Type': 'application/json' },
+      body: JSON.stringify(params),
+    });
+  });
+
+  it('submitIntent rethrows Errors with a prefixed message', async () => {
+    const fetchFn = makeFetchMock().mockRejectedValue(new Error('boom'));
+    const api = new IntentApiImpl(baseUrl, fetchFn);
+
+    await expect(api.submitIntent(makeParams())).rejects.toThrow(
+      'Failed to submit intent: boom',
+    );
+  });
+
+  it('submitIntent returns null when rejection is not an Error', async () => {
+    const fetchFn = makeFetchMock().mockRejectedValue('boom');
+    const api = new IntentApiImpl(baseUrl, fetchFn);
+
+    await expect(api.submitIntent(makeParams())).resolves.toBeNull();
+  });
+
+  it('getOrderStatus calls GET /getOrderStatus with encoded query params and returns response', async () => {
+    const fetchFn = makeFetchMock().mockResolvedValue({ status: 'filled' });
+    const api = new IntentApiImpl(baseUrl, fetchFn);
+
+    const orderId = 'order-1';
+    const aggregatorId = 'My Agg/With Spaces';
+    const srcChainId = '10';
+
+    const result = await api.getOrderStatus(orderId, aggregatorId, srcChainId);
+
+    expect(result).toEqual({ status: 'filled' });
+    expect(fetchFn).toHaveBeenCalledTimes(1);
+
+    const expectedEndpoint =
+      `${baseUrl}/getOrderStatus` +
+      `?orderId=${orderId}` +
+      `&aggregatorId=${encodeURIComponent(aggregatorId)}` +
+      `&srcChainId=${srcChainId}`;
+
+    expect(fetchFn).toHaveBeenCalledWith(expectedEndpoint, { method: 'GET' });
+  });
+
+  it('getOrderStatus rethrows Errors with a prefixed message', async () => {
+    const fetchFn = makeFetchMock().mockRejectedValue(new Error('nope'));
+    const api = new IntentApiImpl(baseUrl, fetchFn);
+
+    await expect(api.getOrderStatus('o', 'a', '1')).rejects.toThrow(
+      'Failed to get order status: nope',
+    );
+  });
+
+  it('getOrderStatus returns null when rejection is not an Error', async () => {
+    const fetchFn = makeFetchMock().mockRejectedValue({ message: 'nope' });
+    const api = new IntentApiImpl(baseUrl, fetchFn);
+
+    await expect(api.getOrderStatus('o', 'a', '1')).resolves.toBeNull();
+  });
+});