Tests for room controller

spec/controllers/admin/rooms_controller_spec.rb

@@ -0,0 +1,171 @@
+require 'spec_helper'
+
+describe Admin::RoomsController do
+  let!(:admin) { create(:admin) }
+  let(:conference) { create(:conference) }
+  let!(:venue) { create(:venue, conference: conference) }
+  let(:room) { create(:room, venue: venue, size: 4) }
+
+  context 'admin is signed in' do
+    before { sign_in admin }
+
+    describe 'GET #index' do
+      before { get :index, conference_id: conference.short_title }
+
+      it 'assigns conference, venue and rooms variables' do
+        expect(assigns(:conference)).to eq conference
+        expect(assigns(:venue)).to eq venue
+        expect(assigns(:rooms)).to eq [room]
+      end
+
+      it 'renders index template' do
+        expect(response).to render_template('index')
+      end
+    end
+
+    describe 'GET #edit' do
+      before { get :edit, conference_id: conference.short_title, id: room.id }
+
+      it 'renders edit template' do
+        expect(response).to render_template('edit')
+      end
+
+      it 'assigns room variable' do
+        expect(assigns(:room)).to eq room
+      end
+    end
+
+    describe 'GET #new' do
+      before { get :new, conference_id: conference.short_title }
+
+      it 'renders new template' do
+        expect(response).to render_template('new')
+      end
+
+      it 'assigns room variable' do
+        expect(assigns(:room)).to be_instance_of(Room)
+      end
+    end
+
+    describe 'POST #create' do
+      context 'saves successfuly' do
+        before do
+          post :create, room: attributes_for(:room), conference_id: conference.short_title
+        end
+
+        it 'redirects to admin room index path' do
+          expect(response).to redirect_to admin_conference_venue_rooms_path(conference_id: conference.short_title)
+        end
+
+        it 'shows success message in flash notice' do
+          expect(flash[:notice]).to match('Room successfully created.')
+        end
+
+        it 'creates new room' do
+          expect(Room.count).to eq 1
+        end
+      end
+
+      context 'save fails' do
+        before do
+          allow_any_instance_of(Room).to receive(:save).and_return(false)
+          post :create, room: attributes_for(:room), conference_id: conference.short_title
+        end
+
+        it 'renders new template' do
+          expect(response).to render_template('new')
+        end
+
+        it 'shows error in flash message' do
+          expect(flash[:error]).to match("Creating Room failed: #{room.errors.full_messages.join('. ')}.")
+        end
+
+        it 'does not create new room' do
+          expect(Room.count).to eq 0
+        end
+      end
+    end
+
+    describe 'PATCH #update' do
+      context 'updates successfully' do
+        before do
+          patch :update, room: attributes_for(:room, size: 2),
+                         conference_id: conference.short_title,
+                         id: room.id
+        end
+
+        it 'redirects to admin room index path' do
+          expect(response).to redirect_to admin_conference_venue_rooms_path(conference_id: conference.short_title)
+        end
+
+        it 'shows success message in flash notice' do
+          expect(flash[:notice]).to match('Room successfully updated.')
+        end
+
+        it 'updates the room' do
+          room.reload
+          expect(room.size).to eq 2
+        end
+      end
+
+      context 'update fails' do
+        before do
+          allow_any_instance_of(Room).to receive(:save).and_return(false)
+          patch :update, room: attributes_for(:room, size: 2),
+                         conference_id: conference.short_title,
+                         id: room.id
+        end
+
+        it 'renders edit template' do
+          expect(response).to render_template('edit')
+        end
+
+        it 'shows error in flash message' do
+          expect(flash[:error]).to match("Update Room failed: #{room.errors.full_messages.join('. ')}.")
+        end
+
+        it 'does not update room' do
+          room.reload
+          expect(room.size).to eq 4
+        end
+      end
+    end
+
+    describe 'DELETE #destroy' do
+      context 'deletes successfully' do
+        before { delete :destroy, conference_id: conference.short_title, id: room.id }
+
+        it 'redirects to admin room index path' do
+          expect(response).to redirect_to admin_conference_venue_rooms_path(conference_id: conference.short_title)
+        end
+
+        it 'shows success message in flash notice' do
+          expect(flash[:notice]).to match('Room successfully deleted.')
+        end
+
+        it 'deletes the room' do
+          expect(Room.count).to eq 0
+        end
+      end
+
+      context 'delete fails' do
+        before do
+          allow_any_instance_of(Room).to receive(:destroy).and_return(false)
+          delete :destroy, conference_id: conference.short_title, id: room.id
+        end
+
+        it 'redirects to admin room index path' do
+          expect(response).to redirect_to admin_conference_venue_rooms_path(conference_id: conference.short_title)
+        end
+
+        it 'shows error in flash message' do
+          expect(flash[:error]).to match("Destroying room failed! #{room.errors.full_messages.join('. ')}.")
+        end
+
+        it 'does not delete room' do
+          expect(Room.count).to eq 1
+        end
+      end
+    end
+  end
+end