wip: Add controller tests

Co-authored-by: viehlieb <pf@pragma-shift.net>
Co-authored-by: Tobias Kneuker <tk@pragma-shift.net>

spec/controllers/login_controller_spec.rb

@@ -0,0 +1,67 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe LoginController, type: :controller do
+  let(:invite) { create :invite }
+
+  describe 'GET accept_invitation' do
+    let(:expired_invite) { create :expired_invite }
+
+    describe 'with valid token' do
+      it 'accepts invitation' do
+        get_with_defaults :accept_invitation, params: { token: invite.token }
+        expect(response).to have_http_status(:success)
+        expect(response).to render_template('login/accept_invitation')
+      end
+    end
+
+    describe 'with invalid token' do
+      it 'redirects to login' do
+        get_with_defaults :accept_invitation, params: { token: invite.token + 'XX' }
+        expect(response).to have_http_status(:redirect)
+        expect(response).to redirect_to(login_url)
+        expect(flash[:alert]).to match(I18n.t('login.controller.error_invite_invalid'))
+      end
+    end
+
+    describe 'with timed out token' do
+      it 'redirects to login' do
+        get_with_defaults :accept_invitation, params: { token: expired_invite.token }
+        expect(response).to have_http_status(:redirect)
+        expect(response).to redirect_to(login_url)
+        expect(flash[:alert]).to match(I18n.t('login.controller.error_invite_invalid'))
+      end
+    end
+
+    describe 'without group' do
+      it 'redirects to login' do
+        invite.group.destroy
+        get_with_defaults :accept_invitation, params: { token: invite.token }
+        expect(response).to have_http_status(:redirect)
+        expect(response).to redirect_to(login_url)
+        expect(flash[:alert]).to match(I18n.t('login.controller.error_group_invalid'))
+      end
+    end
+  end
+
+  describe 'POST accept_invitation' do
+    describe 'with invalid parameters' do
+      it 'renders accept_invitation view' do
+        post_with_defaults :accept_invitation, params: { token: invite.token, user: invite.user.slice('first_name') }
+        expect(response).to have_http_status(:success)
+        expect(response).to render_template('login/accept_invitation')
+        expect(assigns(:user).errors.present?).to be true
+      end
+    end
+
+    describe 'with valid parameters' do
+      it 'redirects to login' do
+        post_with_defaults :accept_invitation, params: { token: invite.token, user: invite.user.slice('first_name', 'password') }
+        expect(response).to have_http_status(:redirect)
+        expect(response).to redirect_to(login_url)
+        expect(flash[:notice]).to match(I18n.t('login.controller.accept_invitation.notice'))
+      end
+    end
+  end
+end