diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
new file mode 100644
index 00000000..391d96a9
--- /dev/null
+++ b/spec/models/user_spec.rb
@@ -0,0 +1,70 @@
+#!/bin/env ruby
+# encoding: utf-8
+require 'spec_helper'
+
+describe User do
+
+  # It is necessary to build roles before user
+  let!(:organizer_role) { create(:organizer_role) }
+  let!(:participant_role) { create(:participant_role) }
+  let!(:admin_role) { create(:admin_role) }
+  let!(:admin) { create(:user) }
+
+  it 'returns the correct role' do
+    participant = create(:user, email: 'participant@example.de')
+    expect(admin.roles.first).to eq(admin_role)
+    expect(participant.roles.first).to eq(participant_role)
+  end
+
+  it 'returns the correct roles' do
+    roles = [organizer_role.id, participant_role.id, admin_role.id]
+    user_with_all_roles = create(:user, email: 'participant@example.de')
+    user_with_all_roles.role_ids = roles
+    user_with_all_roles.save
+
+    expect(user_with_all_roles.roles.length).to eq(3)
+    expect(user_with_all_roles.roles[0]).to eq(participant_role)
+    expect(user_with_all_roles.roles[1]).to eq(organizer_role)
+    expect(user_with_all_roles.roles[2]).to eq(admin_role)
+  end
+
+  describe '#role?' do
+    shared_examples '#role?' do |user, role, expected|
+      it "returns #{expected} for #{role}" do
+        user_obj = create(user, email: 'e@example.com')
+        expect(user_obj.role?(role)).to be expected
+        expect(user_obj.role?(role.downcase)).to be expected
+        expect(user_obj.role?(role.upcase)).to be expected
+        expect(user_obj.role?(role.downcase.capitalize)).to be expected
+      end
+    end
+
+    context 'admin' do
+      it_behaves_like '#role?', :admin, 'orgAnizer', false
+      it_behaves_like '#role?', :admin, 'adMin', true
+      it_behaves_like '#role?', :admin, 'partiCipant', false
+
+      it 'assigns first user admin role' do
+        expect(admin.role?('Admin')).to be true
+        expect(admin.role_ids).to match_array([admin_role.id])
+      end
+    end
+
+    context 'participant' do
+      it_behaves_like '#role?', :participant, 'orgAnizer', false
+      it_behaves_like '#role?', :participant, 'adMin', false
+      it_behaves_like '#role?', :participant, 'partiCipant', true
+
+      it 'assigns second user participant role' do
+        participant = create(:user, email: 'participant@example.de')
+        expect(participant.role_ids).to match_array([participant_role.id])
+      end
+    end
+
+    context 'organizer' do
+      it_behaves_like '#role?', :organizer, 'orgAnizer', true
+      it_behaves_like '#role?', :organizer, 'adMin', false
+      it_behaves_like '#role?', :organizer, 'partiCipant', false
+    end
+  end
+end