diff --git a/Gemfile b/Gemfile
index 97df7455..45513eed 100644
--- a/Gemfile
+++ b/Gemfile
@@ -58,6 +58,9 @@ gem 'tabler-rubygem'
 # Use Capistrano for deployment
 # gem 'capistrano-rails', group: :development
 
+# Ruby linting.
+gem 'rubocop', require: false
+
 group :production do
   # Use a postgres database in production.
   gem 'pg', '~> 0.18'
@@ -69,9 +72,6 @@ group :development, :test do
 
   # Environment configuration.
   gem 'dotenv-rails'
-
-  # Ruby linting.
-  gem 'rubocop'
 end
 
 group :test do
diff --git a/app/controllers/rooms_controller.rb b/app/controllers/rooms_controller.rb
index 5319d41d..218eea7e 100644
--- a/app/controllers/rooms_controller.rb
+++ b/app/controllers/rooms_controller.rb
@@ -155,7 +155,7 @@ class RoomsController < ApplicationController
   def bring_to_room
     if current_user
       # Redirect authenticated users to their room.
-      redirect_to room_path(current_user.room)
+      redirect_to room_path(current_user.main_room)
     else
       # Redirect unauthenticated users to root.
       redirect_to root_path
diff --git a/app/controllers/sessions_controller.rb b/app/controllers/sessions_controller.rb
index 585a1a88..af6f531b 100644
--- a/app/controllers/sessions_controller.rb
+++ b/app/controllers/sessions_controller.rb
@@ -1,13 +1,8 @@
 # frozen_string_literal: true
 
 class SessionsController < ApplicationController
-
   LOGIN_FAILED = "Login failed due to invalid credentials. Are you sure you typed them correctly?"
 
-  # GET /users/login
-  def new
-  end
-
   # GET /users/logout
   def destroy
     logout
@@ -40,6 +35,9 @@ class SessionsController < ApplicationController
   def omniauth
     user = User.from_omniauth(request.env['omniauth.auth'])
     login(user)
+  rescue => e
+    logger.error "Error authenticating via omniauth: #{e}"
+    redirect_to root_path
   end
 
   # POST /auth/failure
diff --git a/app/models/room.rb b/app/models/room.rb
index a83f4eed..197fd631 100644
--- a/app/models/room.rb
+++ b/app/models/room.rb
@@ -97,7 +97,6 @@ class Room < ApplicationRecord
   # Fetches all recordings for a room.
   def recordings
     res = bbb.get_recordings(meetingID: bbb_id)
-
     # Format playbacks in a more pleasant way.
     res[:recordings].each do |r|
       next if r.key?(:error)
diff --git a/spec/controllers/errors_controller_spec.rb b/spec/controllers/errors_controller_spec.rb
new file mode 100644
index 00000000..a64976de
--- /dev/null
+++ b/spec/controllers/errors_controller_spec.rb
@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+describe ErrorsController, type: :controller do
+  describe "GET #not_found" do
+    it "returns not_found" do
+      get :not_found
+      expect(response).to have_http_status(404)
+    end
+  end
+
+  describe "GET #unprocessable" do
+    it "returns unprocessable" do
+      get :unprocessable
+      expect(response).to have_http_status(422)
+    end
+  end
+
+  describe "GET #internal_error" do
+    it "returns internal_error" do
+      get :internal_error
+      expect(response).to have_http_status(500)
+    end
+  end
+end
diff --git a/spec/controllers/main_controller_spec.rb b/spec/controllers/main_controller_spec.rb
new file mode 100644
index 00000000..722cf796
--- /dev/null
+++ b/spec/controllers/main_controller_spec.rb
@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+describe MainController, type: :controller do
+  describe "GET #index" do
+    it "returns success" do
+      get :index
+      expect(response).to be_successful
+    end
+  end
+end
diff --git a/spec/controllers/rooms_controller_spec.rb b/spec/controllers/rooms_controller_spec.rb
new file mode 100644
index 00000000..90fc9893
--- /dev/null
+++ b/spec/controllers/rooms_controller_spec.rb
@@ -0,0 +1,189 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+describe RoomsController, type: :controller do
+  describe "GET #show" do
+    before do
+      @user = create(:user)
+      @owner = create(:user)
+    end
+
+    it "should fetch recordings and room state if user is owner" do
+      @request.session[:user_id] = @owner.id
+
+      get :show, params: { room_uid: @owner.main_room }
+
+      expect(assigns(:recordings)).to eql(@owner.main_room.recordings)
+      expect(assigns(:is_running)).to eql(@owner.main_room.running?)
+    end
+
+    it "should render join if user is not owner" do
+      @request.session[:user_id] = @user.id
+
+      get :show, params: { room_uid: @owner.main_room }
+
+      expect(response).to render_template(:join)
+    end
+
+    it "should raise if room is not valid" do
+      expect do
+        get :show, params: { room_uid: "non_existent" }
+      end.to raise_error(ActiveRecord::RecordNotFound)
+    end
+  end
+
+  describe "POST #create" do
+    before do
+      @owner = create(:user)
+    end
+
+    it "should create room with name" do
+      @request.session[:user_id] = @owner.id
+      name = Faker::Pokemon.name
+      post :create, params: { room: { name: name } }
+
+      r = @owner.secondary_rooms.last
+      expect(r.name).to eql(name)
+      expect(r.owner).to eql(@owner)
+      expect(response).to redirect_to(r)
+    end
+
+    it "it should redirect to root if not logged in" do
+      expect do
+        name = Faker::Pokemon.name
+        post :create, params: { room: { name: name } }
+      end.to change { Room.count }.by(0)
+
+      expect(response).to redirect_to(root_path)
+    end
+  end
+
+  describe "POST #join" do
+    before do
+      @user = create(:user)
+      @owner = create(:user)
+      @room = @owner.main_room
+
+      allow_any_instance_of(BigBlueButton::BigBlueButtonApi).to receive(:get_meeting_info).and_return(
+        moderatorPW: "modpass",
+        attendeePW: "attpass",
+      )
+    end
+
+    it "should use account name if user is logged in and meeting running" do
+      allow_any_instance_of(BigBlueButton::BigBlueButtonApi).to receive(:is_meeting_running?).and_return(true)
+
+      @request.session[:user_id] = @user.id
+      post :join, params: { room_uid: @room, join_name: @user.name }
+
+      expect(response).to redirect_to(@user.main_room.join_path(@user.name, {}, @user.uid))
+    end
+
+    it "should use join name if user is not logged in and meeting running" do
+      allow_any_instance_of(BigBlueButton::BigBlueButtonApi).to receive(:is_meeting_running?).and_return(true)
+
+      post :join, params: { room_uid: @room, join_name: "Join Name" }
+
+      expect(response).to redirect_to(@user.main_room.join_path("Join Name", {}))
+    end
+
+    it "should render wait if meeting isn't running" do
+      allow_any_instance_of(BigBlueButton::BigBlueButtonApi).to receive(:is_meeting_running?).and_return(false)
+
+      @request.session[:user_id] = @user.id
+      post :join, params: { room_uid: @room, join_name: @user.name }
+
+      expect(response).to render_template(:wait)
+    end
+
+    it "should join owner as moderator if meeting running" do
+      allow_any_instance_of(BigBlueButton::BigBlueButtonApi).to receive(:is_meeting_running?).and_return(true)
+
+      @request.session[:user_id] = @owner.id
+      post :join, params: { room_uid: @room, join_name: @owner.name }
+
+      expect(response).to redirect_to(@user.main_room.join_path(@owner.name, { user_is_moderator: true }, @owner.uid))
+    end
+  end
+
+  describe "DELETE #destroy" do
+    before do
+      @user = create(:user)
+      @secondary_room = create(:room, owner: @user)
+    end
+
+    it "should delete room and redirect to main room" do
+      @request.session[:user_id] = @user.id
+
+      expect do
+        delete :destroy, params: { room_uid: @secondary_room }
+      end.to change { Room.count }.by(-1)
+
+      expect(response).to redirect_to(@user.main_room)
+    end
+
+    it "should not delete room if not owner" do
+      random_user = create(:user)
+      @request.session[:user_id] = random_user.id
+
+      expect do
+        delete :destroy, params: { room_uid: @user.main_room }
+      end.to change { Room.count }.by(0)
+    end
+
+    it "should not delete room not logged in" do
+      expect do
+        delete :destroy, params: { room_uid: @user.main_room }
+      end.to change { Room.count }.by(0)
+    end
+  end
+
+  describe "POST #start" do
+    before do
+      @user = create(:user)
+      @other_room = create(:room)
+
+      allow_any_instance_of(BigBlueButton::BigBlueButtonApi).to receive(:get_meeting_info).and_return(
+        moderatorPW: "modpass",
+        attendeePW: "attpass",
+      )
+    end
+
+    it "should redirect to join path if owner" do
+      @request.session[:user_id] = @user.id
+      post :start, params: { room_uid: @user.main_room }
+
+      expect(response).to redirect_to(@user.main_room.join_path(@user.name, { user_is_moderator: true }, @user.uid))
+    end
+
+    it "should bring to room if not owner" do
+      @request.session[:user_id] = @user.id
+      post :start, params: { room_uid: @other_room }
+
+      expect(response).to redirect_to(@user.main_room)
+    end
+
+    it "should bring to root if not authenticated" do
+      post :start, params: { room_uid: @other_room }
+
+      expect(response).to redirect_to(root_path)
+    end
+  end
+
+  describe "POST #home" do
+    before do
+      @user = create(:user)
+      @secondary_room = create(:room, owner: @user)
+    end
+
+    it "should change users home room" do
+      @request.session[:user_id] = @user.id
+      post :home, params: { room_uid: @secondary_room }
+      @user.reload
+
+      expect(@user.main_room).to eql(@secondary_room)
+      expect(response).to redirect_to(@secondary_room)
+    end
+  end
+end
diff --git a/spec/controllers/sessions_controller_spec.rb b/spec/controllers/sessions_controller_spec.rb
new file mode 100644
index 00000000..8713b215
--- /dev/null
+++ b/spec/controllers/sessions_controller_spec.rb
@@ -0,0 +1,92 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+describe SessionsController, type: :controller do
+  before(:all) do
+    @user = create(:user, password: "example", password_confirmation: "example")
+  end
+
+  describe "GET #destroy" do
+    before(:each) do
+      @request.session[:user_id] = @user.id
+      get :destroy
+    end
+
+    it "should logout user" do
+      expect(@request.session[:user_id]).to be_nil
+    end
+
+    it "should redirect to root" do
+      expect(response).to redirect_to(root_path)
+    end
+  end
+
+  describe "POST #create" do
+    it "should login user in if credentials valid" do
+      post :create, params: {
+        session: {
+          email: @user.email,
+          password: "example",
+        },
+      }
+
+      expect(@request.session[:user_id]).to eql(@user.id)
+    end
+
+    it "should not login user in if credentials invalid" do
+      post :create, params: {
+        session: {
+          email: @user.email,
+          password: "invalid",
+        },
+      }
+
+      expect(@request.session[:user_id]).to be_nil
+    end
+  end
+
+  describe "GET/POST #omniauth" do
+    before(:all) do
+      OmniAuth.config.test_mode = true
+
+      OmniAuth.config.mock_auth[:twitter] = OmniAuth::AuthHash.new(
+        provider: "twitter",
+        uid: "twitter-user",
+        info: {
+          email: "user@twitter.com",
+          name: "Twitter User",
+          nickname: "username",
+          image: "example.png",
+        },
+      )
+
+      OmniAuth.config.on_failure = proc { |env|
+        OmniAuth::FailureEndpoint.new(env).redirect_to_failure
+      }
+    end
+
+    it "should create and login user with omniauth" do
+      request.env["omniauth.auth"] = OmniAuth.config.mock_auth[:twitter]
+      get :omniauth, params: { provider: :twitter }
+
+      u = User.last
+      expect(u.provider).to eql("twitter")
+      expect(u.email).to eql("user@twitter.com")
+      expect(@request.session[:user_id]).to eql(u.id)
+    end
+
+    it "should redirect to root on invalid omniauth login" do
+      request.env["omniauth.auth"] = :invalid_credentials
+      get :omniauth, params: { provider: :twitter }
+
+      expect(response).to redirect_to(root_path)
+    end
+
+    it "should not create session without omniauth env set" do
+      get :omniauth, params: { provider: 'google' }
+
+      expect(response).to redirect_to(root_path)
+    end
+  end
+end
diff --git a/spec/controllers/users_controller_spec.rb b/spec/controllers/users_controller_spec.rb
new file mode 100644
index 00000000..6a4b8c10
--- /dev/null
+++ b/spec/controllers/users_controller_spec.rb
@@ -0,0 +1,91 @@
+# frozen_string_literal: true
+
+require "rails_helper"
+
+def random_valid_user_params
+  pass = Faker::Internet.password(8)
+  {
+    user: {
+      name: Faker::Name.first_name,
+      email: Faker::Internet.email,
+      password: pass,
+      password_confirmation: pass,
+    },
+  }
+end
+
+describe UsersController, type: :controller do
+  let(:invalid_params) do
+    {
+      user: {
+        name: "Invalid",
+        email: "example.com",
+        password: "pass",
+        passwrd_confirmation: "invalid",
+      },
+    }
+  end
+
+  describe "GET #new" do
+    it "assigns a blank user to the view" do
+      get :new
+      expect(assigns(:user)).to be_a_new(User)
+    end
+  end
+
+  describe "POST #create" do
+    it "redirects to user room on succesful create" do
+      params = random_valid_user_params
+      post :create, params: params
+
+      u = User.find_by(name: params[:user][:name], email: params[:user][:email])
+
+      expect(u).to_not be_nil
+      expect(u.name).to eql(params[:user][:name])
+      expect(response).to redirect_to(room_path(u.main_room))
+    end
+
+    it "redirects to main room if already authenticated" do
+      user = create(:user)
+      @request.session[:user_id] = user.id
+
+      post :create, params: random_valid_user_params
+      expect(response).to redirect_to(room_path(user.main_room))
+    end
+
+    it "user saves with greenlight provider" do
+      params = random_valid_user_params
+      post :create, params: params
+
+      u = User.find_by(name: params[:user][:name], email: params[:user][:email])
+
+      expect(u.provider).to eql("greenlight")
+    end
+
+    it "renders #new on unsuccessful save" do
+      post :create, params: invalid_params
+
+      expect(response).to render_template(:new)
+    end
+  end
+
+  describe "PATCH #update" do
+    it "properly updates user attributes" do
+      user = create(:user)
+
+      params = random_valid_user_params
+      patch :update, params: params.merge!(user_uid: user)
+      user.reload
+
+      expect(user.name).to eql(params[:user][:name])
+      expect(user.email).to eql(params[:user][:email])
+    end
+
+    it "renders #edit on unsuccessful save" do
+      @user = create(:user)
+
+      patch :update, params: invalid_params.merge!(user_uid: @user)
+      expect(response).to render_template(:edit)
+    end
+  end
+end
diff --git a/spec/factories.rb b/spec/factories.rb
index d99ff9d0..69a03c04 100644
--- a/spec/factories.rb
+++ b/spec/factories.rb
@@ -4,7 +4,7 @@ FactoryBot.define do
   factory :user do
     password = Faker::Internet.password(8)
 
-    provider { %w(greenlight google twitter).sample }
+    provider { %w(google twitter).sample }
     uid { rand(10**8) }
     name { Faker::Name.first_name }
     username { Faker::Internet.user_name }
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index cb0b497c..af3c9aed 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -59,8 +59,8 @@ describe User, type: :model do
   end
 
   context '#from_omniauth' do
-    it "should create user from omniauth" do
-      auth = {
+    let(:auth) do
+      {
         "uid" => "123456789",
         "provider" => "twitter",
         "info" => {
@@ -70,7 +70,9 @@ describe User, type: :model do
           "image" => "example.png",
         },
       }
+    end
 
+    it "should create user from omniauth" do
       expect do
         user = User.from_omniauth(auth)