feat(MembershipsAdapter): add methods addRoomMember and removeRoomMember

src/MembershipsAdapter.js

@@ -59,4 +59,32 @@ export default class MembershipsAdapter extends WebexAdapter {
       new Error('getMembersFromDestination(destinationID, destinationType) must be defined in MembershipsAdapter'),
     );
   }
+
+  /**
+   * Returns an observable that emits the membership with a member added to the room.
+   *
+   * @param {string} personID ID of the person to add to a room
+   * @param {string} roomID ID of the room to add the person into
+   * @returns {external:Observable.<Membership>} Observable stream that emits the membership with the added member
+   * @memberof MembershipAdapter
+   */
+  addRoomMember(personID, roomID) {
+    return throwError(
+      new Error('addRoomMember(personID, roomID) must be defined in MembershipsAdapter'),
+    );
+  }
+
+  /**
+   * Returns an observable that emits the membership with the member removed from the room.
+   *
+   * @param {string} personID ID of the person to remove from a room
+   * @param {string} roomID ID of the room the remove the person from
+   * @returns {external:Observable.<Membership>} Observable stream that emits the membership with the removed member
+   * @memberof MembershipAdapter
+   */
+  removeRoomMember(personID, roomID) {
+    return throwError(
+      new Error('removeRoomMember(personID, roomID) must be defined in MembershipsAdapter'),
+    );
+  }
 }

src/MembershipsAdapter.test.js

@@ -32,4 +32,44 @@ describe('Memberships Adapter Interface', () => {
       );
     });
   });
+
+  describe('addRoomMember()', () => {
+    test('returns an observable', () => {
+      const methodUnderTest = membershipsAdapter.addRoomMember();
+
+      expect(isObservable(methodUnderTest)).toBeTruthy();
+    });
+
+    test('errors because it needs to be defined', (done) => {
+      const message = 'addRoomMember(personID, roomID) must be defined in MembershipsAdapter';
+
+      membershipsAdapter.addRoomMember('personID', 'roomID').subscribe(
+        () => {},
+        (error) => {
+          expect(error.message).toBe(message);
+          done();
+        },
+      );
+    });
+  });
+
+  describe('removeRoomMember()', () => {
+    test('returns an observable', () => {
+      const methodUnderTest = membershipsAdapter.removeRoomMember();
+
+      expect(isObservable(methodUnderTest)).toBeTruthy();
+    });
+
+    test('errors because it needs to be defined', (done) => {
+      const message = 'removeRoomMember(personID, roomID) must be defined in MembershipsAdapter';
+
+      membershipsAdapter.removeRoomMember('personID', 'roomID').subscribe(
+        () => {},
+        (error) => {
+          expect(error.message).toBe(message);
+          done();
+        },
+      );
+    });
+  });
 });