feat(peoplejsonadapter): create adapter and unit test

Author: akoushke

src/adapters/PeopleJSONAdapter.js

@@ -0,0 +1,23 @@
+import {Observable} from 'rxjs';
+
+import person from './../data/person';
+import PeopleAdapter from './PeopleAdapter';
+
+export default class PeopleJSONAdapter extends PeopleAdapter {
+  /**
+   * Returns an observable that emits person data.
+   * Person data comes from JSON file `person.json` in the data folder.
+   *
+   * @param {String} id - ID of person to get
+   * @returns {Observable<PersonObject>}
+   * @memberof PeopleJSONAdapter
+   */
+  getPerson(id) {
+    return Observable.create((observer) => {
+      if (person.id === id) observer.next(person);
+      else observer.error(new Error(`Could not find person with id "${id}"`));
+
+      observer.complete();
+    });
+  }
+}

src/adapters/PeopleJSONAdapter.test.js

@@ -0,0 +1,48 @@
+import person from './../data/person';
+import PeopleJSONAdapter from './PeopleJSONAdapter';
+
+describe('People Adapter Interface', () => {
+  let peopleJSONAdapter;
+
+  beforeEach(() => {
+    peopleJSONAdapter = new PeopleJSONAdapter();
+  });
+
+  test('getPerson() returns an observable', () => {
+    expect(rxjs.isObservable(peopleJSONAdapter.getPerson())).toBeTruthy();
+  });
+
+  test('getPerson() returns a person data', (done) => {
+    peopleJSONAdapter.getPerson(person.id).subscribe((data) => {
+      expect(data).toEqual(person);
+      done();
+    });
+  });
+
+  test('getPerson() throws a proper error message', (done) => {
+    const personID = 'personID';
+
+    peopleJSONAdapter.getPerson(personID).subscribe(
+      () => {},
+      (error) => {
+        expect(error.message).toBe(`Could not find person with id "${personID}"`);
+        done();
+      }
+    );
+  });
+
+  test('getPerson() completes the observable', (done) => {
+    peopleJSONAdapter.getPerson(person.id).subscribe(
+      () => {},
+      () => {},
+      () => {
+        expect(true).toBeTruthy();
+        done();
+      }
+    );
+  });
+
+  afterEach(() => {
+    peopleJSONAdapter = null;
+  });
+});

src/adapters/index.js

@@ -1 +1,3 @@
 export {default as WebexAdapter} from './WebexAdapter';
+export {default as PeopleAdapter} from './PeopleAdapter';
+export {default as PeopleJSONAdapter} from './PeopleJSONAdapter';

src/data/person.json

@@ -0,0 +1,13 @@
+{
+  "id": "Y2lzY29zcGFyazovL3VzL1BFT1BMRS9iMzNjYjE3Yy00MmUzLTQxYWMtYTA0NS00OTdlNDAwMjY0NmM",
+  "emails": [
+    "webexcmps@gmail.com"
+  ],
+  "displayName": "Webex Component User",
+  "firstName": "Webex",
+  "LastName": "Component User",
+  "nickName": "Webex",
+  "avatar": "https://4b4dc97add6b1dcc891a-54bf3b4e4579920861d23cc001530c2a.ssl.cf1.rackcdn.com/V1~b33cb17c-42e3-41ac-a045-497e4002646c~697607d5347442a990719dd5d80ce379~1600",
+  "orgId": "Y2lzY29zcGFyazovL3VzL09SR0FOSVpBVElPTi9jb25zdW1lcg",
+  "status": "unknown"
+}