/* Any copyright is dedicated to the Public Domain.
 * http://creativecommons.org/publicdomain/zero/1.0/ */

var expect = chai.expect;

describe("loop.store.Room", function() {
  "use strict";

  describe("#constructor", function() {
    it("should validate room values", function() {
      expect(function() {
        new loop.store.Room();
      }).to.Throw(Error, /missing required/);
    });
  });
});

describe("loop.store.RoomStore", function() {
  "use strict";

  var sharedActions = loop.shared.actions;
  var sharedUtils = loop.shared.utils;
  var sandbox, dispatcher;
  var fakeRoomList, requestStubs;

  beforeEach(function() {
    sandbox = LoopMochaUtils.createSandbox();

    LoopMochaUtils.stubLoopRequest(requestStubs = {
      GetAllConstants: function() {
        return {
          SHARING_ROOM_URL: {
            COPY_FROM_PANEL: 0,
            COPY_FROM_CONVERSATION: 1,
            EMAIL_FROM_PANEL: 2,
            EMAIL_FROM_CONVERSATION: 3
          },
          ROOM_CREATE: {
            CREATE_SUCCESS: 0,
            CREATE_FAIL: 1
          },
          ROOM_DELETE: {
            DELETE_SUCCESS: 0,
            DELETE_FAIL: 1
          },
          ROOM_CONTEXT_ADD: {
            ADD_FROM_PANEL: 0,
            ADD_FROM_CONVERSATION: 1
          }
        };
      },
      CopyString: sinon.stub(),
      GetLoopPref: function(prefName) {
        if (prefName === "debug.dispatcher") {
          return false;
        }
      },
      NotifyUITour: function() {},
      "Rooms:Create": sinon.stub().returns({ roomToken: "fakeToken" }),
      "Rooms:Delete": sinon.stub(),
      "Rooms:GetAll": sinon.stub(),
      "Rooms:Open": sinon.stub(),
      "Rooms:Rename": sinon.stub(),
      "Rooms:PushSubscription": sinon.stub(),
      TelemetryAddValue: sinon.stub()
    });

    dispatcher = new loop.Dispatcher();
    fakeRoomList = [{
      roomToken: "_nxD4V4FflQ",
      roomUrl: "http://sample/_nxD4V4FflQ",
      roomName: "First Room Name",
      maxSize: 2,
      participants: [],
      ctime: 1405517546
    }, {
      roomToken: "QzBbvGmIZWU",
      roomUrl: "http://sample/QzBbvGmIZWU",
      roomName: "Second Room Name",
      maxSize: 2,
      participants: [],
      ctime: 1405517418
    }, {
      roomToken: "3jKS_Els9IU",
      roomUrl: "http://sample/3jKS_Els9IU",
      roomName: "Third Room Name",
      maxSize: 3,
      clientMaxSize: 2,
      participants: [],
      ctime: 1405518241
    }];

    document.mozL10n.get = function(str) { return str; };
  });

  afterEach(function() {
    sandbox.restore();
    LoopMochaUtils.restore();
  });

  describe("#constructor", function() {
    it("should throw an error if constants are missing", function() {
      expect(function() {
        new loop.store.RoomStore(dispatcher);
      }).to.Throw(/constants/);
    });
  });

  describe("constructed", function() {
    var fakeNotifications, store;

    var defaultStoreState = {
      error: undefined,
      pendingCreation: false,
      pendingInitialRetrieval: true,
      rooms: [],
      activeRoom: {}
    };

    beforeEach(function() {
      fakeNotifications = {
        set: sinon.stub(),
        remove: sinon.stub()
      };
      store = new loop.store.RoomStore(dispatcher, {
        constants: requestStubs.GetAllConstants(),
        notifications: fakeNotifications
      });
      store.setStoreState(defaultStoreState);
    });

    describe("MozLoop rooms event listeners", function() {
      beforeEach(function() {
        LoopMochaUtils.stubLoopRequest({
          "Rooms:GetAll": function(version) {
            return fakeRoomList;
          }
        });

        store.getAllRooms(); // registers event listeners
      });

      describe("add", function() {
        it("should add the room entry to the list", function() {
          LoopMochaUtils.publish("Rooms:Add", {
            roomToken: "newToken",
            roomUrl: "http://sample/newToken",
            roomName: "New room",
            maxSize: 2,
            participants: [],
            ctime: 1405517546
          });

          expect(store.getStoreState().rooms).to.have.length.of(4);
        });

        it("should avoid adding a duplicate room", function() {
          var sampleRoom = fakeRoomList[0];

          LoopMochaUtils.publish("Rooms:Add", sampleRoom);

          expect(store.getStoreState().rooms).to.have.length.of(3);
          expect(store.getStoreState().rooms.reduce(function(count, room) {
            return count + (room.roomToken === sampleRoom.roomToken ? 1 : 0);
          }, 0)).eql(1);
        });
      });

      describe("close", function() {
        it("should update the openedRoom state to null", function() {
          store.setStoreState({ openedRoom: "fake1234" });
          LoopMochaUtils.publish("Rooms:Close");

          expect(store.getStoreState().openedRoom).to.eql(null);
        });
      });

      describe("open", function() {
        it("should update the openedRoom state to the room token", function() {
          LoopMochaUtils.publish("Rooms:Open", "fake1234");

          expect(store.getStoreState().openedRoom).to.eql("fake1234");
        });
      });

      describe("update", function() {
        it("should update a room entry", function() {
          LoopMochaUtils.publish("Rooms:Update", {
            roomToken: "_nxD4V4FflQ",
            roomUrl: "http://sample/_nxD4V4FflQ",
            roomName: "Changed First Room Name",
            maxSize: 2,
            participants: [],
            ctime: 1405517546
          });

          expect(store.getStoreState().rooms).to.have.length.of(3);
          expect(store.getStoreState().rooms.some(function(room) {
            return room.roomName === "Changed First Room Name";
          })).eql(true);
        });
      });

      describe("delete", function() {
        it("should delete a room from the list", function() {
          LoopMochaUtils.publish("Rooms:Delete", {
            roomToken: "_nxD4V4FflQ"
          });

          expect(store.getStoreState().rooms).to.have.length.of(2);
          expect(store.getStoreState().rooms.some(function(room) {
            return room.roomToken === "_nxD4V4FflQ";
          })).eql(false);
        });
      });

      describe("refresh", function() {
        it("should clear the list of rooms", function() {
          LoopMochaUtils.publish("Rooms:Refresh");

          expect(store.getStoreState().rooms).to.have.length.of(0);
        });
      });
    });

    describe("#createRoom", function() {
      var fakeLocalRoomId = "777";
      var fakeOwner = "fake@invalid";
      var fakeRoomCreationData;

      beforeEach(function() {
        sandbox.stub(dispatcher, "dispatch");
        store.setStoreState({ pendingCreation: false, rooms: [] });
        fakeRoomCreationData = {};
      });

      it("should clear any existing room errors", function() {
        store.createRoom(new sharedActions.CreateRoom(fakeRoomCreationData));

        sinon.assert.calledOnce(fakeNotifications.remove);
        sinon.assert.calledWithExactly(fakeNotifications.remove,
          "create-room-error");
      });

      it("should log a telemetry event when the operation with context is successful", function() {
        fakeRoomCreationData.urls = [{
          location: "http://invalid.com",
          description: "fakeSite",
          thumbnail: "fakeimage.png"
        }];

        store.createRoom(new sharedActions.CreateRoom(fakeRoomCreationData));

        sinon.assert.calledTwice(requestStubs.TelemetryAddValue);
        sinon.assert.calledWithExactly(requestStubs.TelemetryAddValue,
          "LOOP_ROOM_CONTEXT_ADD", 0);
      });

      it("should request creation of a new room", function() {
        store.createRoom(new sharedActions.CreateRoom(fakeRoomCreationData));

        sinon.assert.calledWith(requestStubs["Rooms:Create"], {
          decryptedContext: { },
          maxSize: store.maxRoomCreationSize
        });
      });

      it("should request creation of a new room with context", function() {
        fakeRoomCreationData.urls = [{
          location: "http://invalid.com",
          description: "fakeSite",
          thumbnail: "fakeimage.png"
        }];

        store.createRoom(new sharedActions.CreateRoom(fakeRoomCreationData));

        sinon.assert.calledWith(requestStubs["Rooms:Create"], {
          decryptedContext: {
            urls: [{
              location: "http://invalid.com",
              description: "fakeSite",
              thumbnail: "fakeimage.png"
            }]
          },
          maxSize: store.maxRoomCreationSize
        });
      });

      it("should switch the pendingCreation state flag to true", function() {
        store.createRoom(new sharedActions.CreateRoom(fakeRoomCreationData));

        expect(store.getStoreState().pendingCreation).eql(true);
      });

      it("should dispatch a CreatedRoom action once the operation is done",
        function() {
          store.createRoom(new sharedActions.CreateRoom(fakeRoomCreationData));

          sinon.assert.calledOnce(dispatcher.dispatch);
          sinon.assert.calledWithExactly(dispatcher.dispatch,
            new sharedActions.CreatedRoom({
              roomToken: "fakeToken"
            }));
        });

      it("should dispatch a CreateRoomError action if the operation fails",
        function() {
          var err = new Error("fake");
          err.isError = true;
          requestStubs["Rooms:Create"].returns(err);

          store.createRoom(new sharedActions.CreateRoom(fakeRoomCreationData));

          sinon.assert.calledOnce(dispatcher.dispatch);
          sinon.assert.calledWithExactly(dispatcher.dispatch,
            new sharedActions.CreateRoomError({
              error: err
            }));
        });

      it("should log a telemetry event when the operation is successful", function() {
        store.createRoom(new sharedActions.CreateRoom(fakeRoomCreationData));

        sinon.assert.calledOnce(requestStubs.TelemetryAddValue);
        sinon.assert.calledWithExactly(requestStubs.TelemetryAddValue,
          "LOOP_ROOM_CREATE", 0);
      });

      it("should log a telemetry event when the operation fails", function() {
        var err = new Error("fake");
        err.isError = true;
        requestStubs["Rooms:Create"].returns(err);

        store.createRoom(new sharedActions.CreateRoom(fakeRoomCreationData));

        sinon.assert.calledOnce(requestStubs.TelemetryAddValue);
        sinon.assert.calledWithExactly(requestStubs.TelemetryAddValue,
          "LOOP_ROOM_CREATE", 1);
      });
   });

   describe("#createdRoom", function() {
      beforeEach(function() {
        sandbox.stub(dispatcher, "dispatch");
      });

      it("should switch the pendingCreation state flag to false", function() {
        store.setStoreState({ pendingCreation: true });

        store.createdRoom(new sharedActions.CreatedRoom({
          roomToken: "fakeToken"
        }));

        expect(store.getStoreState().pendingCreation).eql(false);
      });

      it("should dispatch an OpenRoom action once the operation is done",
        function() {
          store.createdRoom(new sharedActions.CreatedRoom({
            roomToken: "fakeToken"
          }));

          sinon.assert.calledOnce(dispatcher.dispatch);
          sinon.assert.calledWithExactly(dispatcher.dispatch,
            new sharedActions.OpenRoom({
              roomToken: "fakeToken"
            }));
        });
    });

    describe("#createRoomError", function() {
      it("should switch the pendingCreation state flag to false", function() {
        store.setStoreState({ pendingCreation: true });

        store.createRoomError({
          error: new Error("fake")
        });

        expect(store.getStoreState().pendingCreation).eql(false);
      });

      it("should set a notification", function() {
        store.createRoomError({
          error: new Error("fake")
        });

        sinon.assert.calledOnce(fakeNotifications.set);
        sinon.assert.calledWithMatch(fakeNotifications.set, {
          id: "create-room-error",
          level: "error"
        });
      });
    });

    describe("#deleteRoom", function() {
      var fakeRoomToken = "42abc";

      beforeEach(function() {
        sandbox.stub(dispatcher, "dispatch");
      });

      it("should request deletion of a room", function() {
        store.deleteRoom(new sharedActions.DeleteRoom({
          roomToken: fakeRoomToken
        }));

        sinon.assert.calledWith(requestStubs["Rooms:Delete"], fakeRoomToken);
      });

      it("should dispatch a DeleteRoomError action if the operation fails", function() {
        var err = new Error("fake");
        err.isError = true;
        requestStubs["Rooms:Delete"].returns(err);

        store.deleteRoom(new sharedActions.DeleteRoom({
          roomToken: fakeRoomToken
        }));

        sinon.assert.calledOnce(dispatcher.dispatch);
        sinon.assert.calledWithExactly(dispatcher.dispatch,
          new sharedActions.DeleteRoomError({
            error: err
          }));
      });

      it("should log a telemetry event when the operation is successful", function() {
        store.deleteRoom(new sharedActions.DeleteRoom({
          roomToken: fakeRoomToken
        }));

        sinon.assert.calledOnce(requestStubs.TelemetryAddValue);
        sinon.assert.calledWithExactly(requestStubs.TelemetryAddValue,
          "LOOP_ROOM_DELETE", 0);
      });

      it("should log a telemetry event when the operation fails", function() {
        var err = new Error("fake");
        err.isError = true;
        requestStubs["Rooms:Delete"].returns(err);

        store.deleteRoom(new sharedActions.DeleteRoom({
          roomToken: fakeRoomToken
        }));

        sinon.assert.calledOnce(requestStubs.TelemetryAddValue);
        sinon.assert.calledWithExactly(requestStubs.TelemetryAddValue,
          "LOOP_ROOM_DELETE", 1);
      });
    });

    describe("#copyRoomUrl", function() {
      it("should copy the room URL", function() {
        store.copyRoomUrl(new sharedActions.CopyRoomUrl({
          roomUrl: "http://invalid",
          from: "conversation"
        }));

        sinon.assert.calledOnce(requestStubs.CopyString);
        sinon.assert.calledWithExactly(requestStubs.CopyString, "http://invalid");
      });

      it("should send a telemetry event for copy from panel", function() {
        store.copyRoomUrl(new sharedActions.CopyRoomUrl({
          roomUrl: "http://invalid",
          from: "panel"
        }));

        sinon.assert.calledOnce(requestStubs.TelemetryAddValue);
        sinon.assert.calledWithExactly(requestStubs.TelemetryAddValue,
          "LOOP_SHARING_ROOM_URL", 0);
      });

      it("should send a telemetry event for copy from conversation", function() {
        store.copyRoomUrl(new sharedActions.CopyRoomUrl({
          roomUrl: "http://invalid",
          from: "conversation"
        }));

        sinon.assert.calledOnce(requestStubs.TelemetryAddValue);
        sinon.assert.calledWithExactly(requestStubs.TelemetryAddValue,
          "LOOP_SHARING_ROOM_URL", 1);
      });
    });

    describe("#emailRoomUrl", function() {
      it("should call composeCallUrlEmail to email the url", function() {
        sandbox.stub(sharedUtils, "composeCallUrlEmail");

        store.emailRoomUrl(new sharedActions.EmailRoomUrl({
          roomUrl: "http://invalid",
          from: "conversation"
        }));

        sinon.assert.calledOnce(sharedUtils.composeCallUrlEmail);
        sinon.assert.calledWith(sharedUtils.composeCallUrlEmail,
          "http://invalid", null, undefined);
      });

      it("should call composeUrlEmail differently with context", function() {
        sandbox.stub(sharedUtils, "composeCallUrlEmail");

        var url = "http://invalid";
        var description = "Hello, is it me you're looking for?";
        store.emailRoomUrl(new sharedActions.EmailRoomUrl({
          roomUrl: url,
          roomDescription: description,
          from: "conversation"
        }));

        sinon.assert.calledOnce(sharedUtils.composeCallUrlEmail);
        sinon.assert.calledWithExactly(sharedUtils.composeCallUrlEmail,
          url, null, description);
      });
    });

    describe("#shareRoomUrl", function() {
      var socialShareRoomStub;

      beforeEach(function() {
        socialShareRoomStub = sinon.stub();
        LoopMochaUtils.stubLoopRequest({
          SocialShareRoom: socialShareRoomStub
        });
      });

      it("should pass the correct data for GMail sharing", function() {
        var roomUrl = "http://invalid";
        var origin = "https://mail.google.com/v1";
        store.shareRoomUrl(new sharedActions.ShareRoomUrl({
          roomUrl: roomUrl,
          provider: {
            origin: origin
          }
        }));

        sinon.assert.calledOnce(socialShareRoomStub);
        sinon.assert.calledWithExactly(socialShareRoomStub, origin,
          roomUrl, "share_email_subject7", "share_email_body7" + "share_email_footer2");
      });

      it("should pass the correct data for all other Social Providers", function() {
        var roomUrl = "http://invalid2";
        var origin = "https://twitter.com/share";
        store.shareRoomUrl(new sharedActions.ShareRoomUrl({
          roomUrl: roomUrl,
          provider: {
            origin: origin
          }
        }));

        sinon.assert.calledOnce(socialShareRoomStub);
        sinon.assert.calledWithExactly(socialShareRoomStub, origin,
          roomUrl, "share_tweet", null);
      });
    });

    describe("#addSocialShareProvider", function() {
      it("should invoke to the correct mozLoop function", function() {
        var stub = sinon.stub();
        LoopMochaUtils.stubLoopRequest({
          AddSocialShareProvider: stub
        });

        store.addSocialShareProvider(new sharedActions.AddSocialShareProvider());

        sinon.assert.calledOnce(stub);
      });
    });

    describe("#setStoreState", function() {
      it("should update store state data", function() {
        store.setStoreState({ pendingCreation: true });

        expect(store.getStoreState().pendingCreation).eql(true);
      });

      it("should trigger a `change` event", function(done) {
        store.once("change", function() {
          done();
        });

        store.setStoreState({ pendingCreation: true });
      });

      it("should trigger a `change:<prop>` event", function(done) {
        store.once("change:pendingCreation", function() {
          done();
        });

        store.setStoreState({ pendingCreation: true });
      });
    });

    describe("#getAllRooms", function() {
      it("should fetch the room list from the Loop API", function() {
        requestStubs["Rooms:GetAll"].returns(fakeRoomList);

        store.getAllRooms(new sharedActions.GetAllRooms());

        expect(store.getStoreState().error).to.be.a.undefined;
        expect(store.getStoreState().rooms).to.have.length.of(3);
      });

      it("should order the room list using ctime desc", function() {
        requestStubs["Rooms:GetAll"].returns(fakeRoomList);

        store.getAllRooms(new sharedActions.GetAllRooms());

        var storeState = store.getStoreState();
        expect(storeState.error).to.be.a.undefined;
        expect(storeState.rooms[0].ctime).eql(1405518241);
        expect(storeState.rooms[1].ctime).eql(1405517546);
        expect(storeState.rooms[2].ctime).eql(1405517418);
      });

      it("should report an error", function() {
        var err = new Error("fake");
        err.isError = true;
        requestStubs["Rooms:GetAll"].returns(err);

        dispatcher.dispatch(new sharedActions.GetAllRooms());

        expect(store.getStoreState().error).eql(err);
      });

      it("should register event listeners after the list is retrieved",
        function() {
          sandbox.stub(store, "startListeningToRoomEvents");
          requestStubs["Rooms:GetAll"].returns(fakeRoomList);

          store.getAllRooms();

          sinon.assert.calledOnce(store.startListeningToRoomEvents);
        });

      it("should set the pendingInitialRetrieval flag to true", function() {
        expect(store.getStoreState().pendingInitialRetrieval).eql(true);

        requestStubs["Rooms:GetAll"].returns([]);
        store.getAllRooms();

        expect(store.getStoreState().pendingInitialRetrieval).eql(false);
      });

      it("should set pendingInitialRetrieval to false once the action is performed",
        function() {
          requestStubs["Rooms:GetAll"].returns(fakeRoomList);

          store.getAllRooms();

          expect(store.getStoreState().pendingInitialRetrieval).eql(false);
        });
    });

    describe("ActiveRoomStore substore", function() {
      var fakeStore, activeRoomStore;

      beforeEach(function() {
        activeRoomStore = new loop.store.ActiveRoomStore(dispatcher, {
          sdkDriver: {}
        });
        fakeStore = new loop.store.RoomStore(dispatcher, {
          constants: requestStubs.GetAllConstants(),
          activeRoomStore: activeRoomStore
        });
      });

      it("should subscribe to substore changes", function() {
        var fakeServerData = { fake: true };

        activeRoomStore.setStoreState({ serverData: fakeServerData });

        expect(fakeStore.getStoreState().activeRoom.serverData)
          .eql(fakeServerData);
      });

      it("should trigger a change event when the substore is updated",
        function(done) {
          fakeStore.once("change:activeRoom", function() {
            done();
          });

          activeRoomStore.setStoreState({ serverData: {} });
        });
    });
  });

  describe("#openRoom", function() {
    var store, fakeMozLoop;

    beforeEach(function() {
      store = new loop.store.RoomStore(dispatcher, { constants: {} });
    });

    it("should open the room via mozLoop", function() {
      dispatcher.dispatch(new sharedActions.OpenRoom({ roomToken: "42abc" }));

      sinon.assert.calledOnce(requestStubs["Rooms:Open"]);
      sinon.assert.calledWithExactly(requestStubs["Rooms:Open"], "42abc");
    });
  });

  describe("#updateRoomContext", function() {
    var store, getRoomStub, updateRoomStub, clock;

    beforeEach(function() {
      clock = sinon.useFakeTimers();
      getRoomStub = sinon.stub().returns({
        roomToken: "42abc",
        decryptedContext: {
          roomName: "sillier name"
        }
      });
      updateRoomStub = sinon.stub();
      LoopMochaUtils.stubLoopRequest({
        "Rooms:Get": getRoomStub,
        "Rooms:Update": updateRoomStub
      });
      store = new loop.store.RoomStore(dispatcher, {
        constants: requestStubs.GetAllConstants()
      });
    });

    afterEach(function() {
      clock.restore();
    });

    it("should rename the room via mozLoop", function() {
      dispatcher.dispatch(new sharedActions.UpdateRoomContext({
        roomToken: "42abc",
        newRoomName: "silly name"
      }));

      sinon.assert.calledOnce(getRoomStub);
      sinon.assert.calledOnce(updateRoomStub);
      sinon.assert.calledWith(updateRoomStub, "42abc", {
        roomName: "silly name"
      });
    });

    it("should flag the the store as saving context", function() {
      expect(store.getStoreState().savingContext).to.eql(false);

      LoopMochaUtils.stubLoopRequest({
        "Rooms:Update": function(roomToken, roomData) {
          expect(store.getStoreState().savingContext).to.eql(true);
        }
      });

      dispatcher.dispatch(new sharedActions.UpdateRoomContext({
        roomToken: "42abc",
        newRoomName: "silly name"
      }));

      expect(store.getStoreState().savingContext).to.eql(false);
    });

    it("should store any update-encountered error", function() {
      var err = new Error("fake");
      err.isError = true;

      LoopMochaUtils.stubLoopRequest({
        "Rooms:Update": function(roomToken, roomData) {
          expect(store.getStoreState().savingContext).to.eql(true);
          return err;
        }
      });

      dispatcher.dispatch(new sharedActions.UpdateRoomContext({
        roomToken: "42abc",
        newRoomName: "silly name"
      }));

      var state = store.getStoreState();
      expect(state.error).eql(err);
      expect(state.savingContext).to.eql(false);
    });

    it("should ensure only submitting a non-empty room name", function() {
      dispatcher.dispatch(new sharedActions.UpdateRoomContext({
        roomToken: "42abc",
        newRoomName: " \t  \t "
      }));
      clock.tick(1);

      sinon.assert.notCalled(updateRoomStub);
      expect(store.getStoreState().savingContext).to.eql(false);
    });

    it("should save updated context information", function() {
      dispatcher.dispatch(new sharedActions.UpdateRoomContext({
        roomToken: "42abc",
        // Room name doesn't need to change.
        newRoomName: "sillier name",
        newRoomDescription: "Hello, is it me you're looking for?",
        newRoomThumbnail: "http://example.com/empty.gif",
        newRoomURL: "http://example.com"
      }));

      sinon.assert.calledOnce(updateRoomStub);
      sinon.assert.calledWith(updateRoomStub, "42abc", {
        urls: [{
          description: "Hello, is it me you're looking for?",
          location: "http://example.com",
          thumbnail: "http://example.com/empty.gif"
        }]
      });
    });

    it("should not save context information with an invalid URL", function() {
      dispatcher.dispatch(new sharedActions.UpdateRoomContext({
        roomToken: "42abc",
        // Room name doesn't need to change.
        newRoomName: "sillier name",
        newRoomDescription: "Hello, is it me you're looking for?",
        newRoomThumbnail: "http://example.com/empty.gif",
        // NOTE: there are many variation we could test here, but the URL object
        // constructor also fails on empty strings and is using the Gecko URL
        // parser. Therefore we ought to rely on it working properly.
        newRoomURL: "http/example.com"
      }));

      sinon.assert.notCalled(updateRoomStub);
    });

    it("should not save context information when no context information is provided",
      function() {
        dispatcher.dispatch(new sharedActions.UpdateRoomContext({
          roomToken: "42abc",
          // Room name doesn't need to change.
          newRoomName: "sillier name",
          newRoomDescription: "",
          newRoomThumbnail: "",
          newRoomURL: ""
        }));
        clock.tick(1);

        sinon.assert.notCalled(updateRoomStub);
        expect(store.getStoreState().savingContext).to.eql(false);
      });
  });
});
