feat(getgalleryinfo): added tests and handler mocks for getGalleryInfo

__tests__/getGalleryInfo.js

@@ -0,0 +1,52 @@
+const imgur = require('../lib/imgur.js');
+
+beforeAll(() => imgur.setClientId('abc123'));
+
+describe('getGalleryInfo', () => {
+  describe('get gallery info response', () => {
+    test('should fail when id is not passed', () => {
+      const errMsg = 'Invalid gallery ID';
+      expect(imgur.getGalleryInfo()).rejects.toThrowError(errMsg);
+    });
+
+    test('gallery info is returned', async () => {
+      const resp = await imgur.getGalleryInfo('JK9ybyj');
+      expect(resp).toMatchInlineSnapshot(`
+        Object {
+          "description": "gallery-description",
+          "id": "JK9ybyj",
+          "title": "gallery-title",
+        }
+      `);
+    });
+  });
+
+  describe("delegates to _imgurRequest('gallery', ...)", () => {
+    const mockResult = {
+      data: [],
+      params: {
+        id: 'JK9ybyj',
+      },
+    };
+    const payload = 'JK9ybyj';
+    const _imgurRequestBackup = imgur._imgurRequest;
+
+    beforeEach(() => {
+      imgur._imgurRequest = jest
+        .fn()
+        .mockImplementation(() => Promise.resolve(mockResult));
+    });
+
+    afterEach(() => {
+      imgur._imgurRequest.mockClear();
+      imgur._imgurRequest = _imgurRequestBackup;
+    });
+
+    it('should delegate', () => {
+      const promise = imgur.getGalleryInfo('JK9ybyj');
+
+      expect(imgur._imgurRequest).toHaveBeenCalledWith('gallery', payload);
+      expect(promise).resolves.toMatchObject(mockResult);
+    });
+  });
+});

lib/mocks/handlers.js

@@ -13,6 +13,18 @@ const handlers = [
     };
     return res(ctx.json(response));
   }),
+  rest.get('https://api.imgur.com/3/gallery/JK9ybyj', (_req, res, ctx) => {
+    const response = {
+      data: {
+        id: 'JK9ybyj',
+        title: 'gallery-title',
+        description: 'gallery-description',
+      },
+      success: true,
+      status: 200,
+    };
+    return res(ctx.json(response));
+  }),
 ];
 
 module.exports = {