Adds namecheap api calls + test (with sandbox debug code)

tests/domain-service.test.js

@@ -0,0 +1,44 @@
+const R = require('ramda');
+const { getDomainService } = require('../utils/domain-service');
+
+const getNcClass = ({ onSet, onGet } = {}) => class Namecheap {
+  dns = {
+    setHosts: (_, list) => onSet(list),
+    getHosts: (_) => onGet(),
+  };
+};
+
+describe('Domain service', () => {
+  describe('getHosts', () => {
+    it('should resolve with a list of hosts', async () => {
+      const hosts = [
+        { Name: 'xx', Type: 'CNAME', Address: 'fck.com.' },
+        { Name: 'xx', Type: 'A', Address: '111.1.1212.1' },
+      ];
+      const onGet = async () => ({ hosts })
+      const mockDomainService = getDomainService({ Namecheap: getNcClass({ onGet }) });
+      const list = await mockDomainService.getHosts();
+
+      expect(list).toEqual([
+        { HostName: 'xx', RecordType: 'CNAME', Address: 'fck.com' },
+        { HostName: 'xx', RecordType: 'A', Address: '111.1.1212.1' },
+      ]);
+    });
+  });
+
+  describe('setHosts', () => {
+    it('should resolve with a list of hosts', async () => {
+      const records = [ { x: 'y' }, { z: 'a' } ];
+
+      const onSet = jest.fn((list) => {
+        expect(list).toBe(records);
+        return Promise.resolve(null);
+      });
+
+      const mockDomainService = getDomainService({ Namecheap: getNcClass({ onSet }) });
+      await mockDomainService.setHosts(records);
+      expect(onSet).toBeCalledTimes(1);
+    });
+  });
+});
+