test: add validation error response tests for TilequeryTool and RetrieveStyleTool

Author: zmofei

test/tools/retrieve-style-tool/RetrieveStyleTool.test.ts

@@ -101,6 +101,22 @@ describe('RetrieveStyleTool', () => {
     assertHeadersSent(mockHttpRequest);
   });
 
+  it('returns error with validation details when API response does not match schema', async () => {
+    const { httpRequest } = setupHttpRequest({
+      ok: true,
+      json: async () => ({ unexpected: 'format' })
+    });
+
+    const result = await new RetrieveStyleTool({ httpRequest }).run({
+      styleId: 'cmojrmkc9002t01ry96yi6h48'
+    });
+
+    expect(result.isError).toBe(true);
+    const text = (result.content[0] as { type: string; text: string }).text;
+    expect(text).toMatch(/Unexpected API response format from Mapbox API:/);
+    expect(text).toContain('"code"');
+  });
+
   it('handles styles with null terrain and other nullable fields', async () => {
     // Real-world API response with null values for optional fields
     const styleData = {

test/tools/tilequery-tool/TilequeryTool.test.ts

@@ -1,11 +1,16 @@
 // Copyright (c) Mapbox, Inc.
 // Licensed under the MIT License.
 
-import { describe, it, expect, beforeEach } from 'vitest';
+import { describe, it, expect, beforeAll, beforeEach } from 'vitest';
 import { TilequeryTool } from '../../../src/tools/tilequery-tool/TilequeryTool.js';
 import { TilequeryInput } from '../../../src/tools/tilequery-tool/TilequeryTool.input.schema.js';
 import { setupHttpRequest } from '../../utils/httpPipelineUtils.js';
 
+beforeAll(() => {
+  process.env.MAPBOX_ACCESS_TOKEN =
+    'eyJhbGciOiJIUzI1NiJ9.eyJ1IjoidGVzdC11c2VyIiwiYSI6InRlc3QtYXBpIn0.signature';
+});
+
 describe('TilequeryTool', () => {
   let tool: TilequeryTool;
 
@@ -99,4 +104,23 @@ describe('TilequeryTool', () => {
       expect(result.success).toBe(false);
     });
   });
+
+  describe('execute', () => {
+    it('returns error with validation details when API response does not match schema', async () => {
+      const { httpRequest } = setupHttpRequest({
+        ok: true,
+        json: async () => ({ unexpected: 'format' })
+      });
+
+      const result = await new TilequeryTool({ httpRequest }).run({
+        longitude: -122.4194,
+        latitude: 37.7749
+      });
+
+      expect(result.isError).toBe(true);
+      const text = (result.content[0] as { type: string; text: string }).text;
+      expect(text).toMatch(/Unexpected API response format from Mapbox API:/);
+      expect(text).toContain('"code"');
+    });
+  });
 });