Move dossier invites handler to invites controller

spec/controllers/invites_controller_spec.rb

@@ -158,4 +158,81 @@ describe InvitesController, type: :controller do
       end
     end
   end
+
+  describe '#GET show' do
+    let(:user) { create :user }
+
+    context "when invite without email exists" do
+      let(:invite) { create(:invite, dossier: dossier) }
+
+      subject { get :show, params: { id: invite.id, email: email } }
+
+      context 'when email is not set' do
+        let(:email) { nil }
+
+        context 'and user is not connected' do
+          it { is_expected.to redirect_to new_user_session_path }
+        end
+
+        context 'and user is connected' do
+          let(:invite) { create :invite, dossier: dossier, user: user }
+
+          before { sign_in user }
+
+          it { is_expected.to redirect_to(dossier_path(dossier)) }
+        end
+      end
+
+      context 'when email is blank' do
+        let(:email) { '' }
+
+        it { is_expected.to redirect_to new_user_session_path }
+      end
+
+      context 'when email is not blank' do
+        context 'when email is affected at an user' do
+          let(:email) { user.email }
+
+          it { is_expected.to redirect_to new_user_session_path }
+        end
+
+        context 'when email is not affected at an user' do
+          let(:email) { 'new_user@octo.com' }
+
+          it { is_expected.to redirect_to new_user_registration_path(user: { email: email }) }
+        end
+      end
+    end
+
+    context "when invite with email exists" do
+      let(:invite) { create :invite, email: email, dossier: dossier }
+
+      before do
+        sign_in user
+      end
+
+      subject! { get :show, params: { id: invite.id } }
+
+      context 'when invitation ID is attached at the user email account' do
+        let(:email) { user.email }
+
+        context 'and dossier is a brouillon' do
+          let(:dossier) { create :dossier, state: Dossier.states.fetch(:brouillon) }
+          it { is_expected.to redirect_to brouillon_dossier_path(dossier) }
+        end
+
+        context 'and dossier is not a brouillon' do
+          let(:dossier) { create :dossier, :en_construction }
+          it { is_expected.to redirect_to(dossier_path(dossier)) }
+        end
+      end
+
+      context 'when invitation ID is not attached at the user email account' do
+        let(:email) { 'fake@email.com' }
+
+        it { is_expected.to redirect_to dossiers_path }
+        it { expect(flash[:alert]).to be_present }
+      end
+    end
+  end
 end