diff --git a/.gitignore b/.gitignore
index 5b61ab0..1c9ba94 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,7 @@
 
 # Ignore bundler config.
 /.bundle
+/.rspec
 
 # Ignore all logfiles and tempfiles.
 /log/*
diff --git a/.rubocop.yml b/.rubocop.yml
new file mode 100644
index 0000000..691771f
--- /dev/null
+++ b/.rubocop.yml
@@ -0,0 +1,14 @@
+AllCops:
+  Include:
+    - Rakefile
+    - config.ru
+  Exclude:
+    - bin/**
+    - spec/dummy/config/initializers/secret_token.rb
+Documentation:
+  Enabled: false
+LineLength:
+  Enabled: true
+  Max: 160
+AbcSize:
+  Enabled: false
diff --git a/Gemfile b/Gemfile
index c24fd41..b2d1b60 100644
--- a/Gemfile
+++ b/Gemfile
@@ -37,7 +37,7 @@ gem 'slim-rails'
 group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console
   gem 'byebug'
-
+  gem 'mongoid-rspec', '3.0.0'
   gem 'rspec-rails', '~> 3.0'
 end
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 7591d37..c4542cd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -78,6 +78,10 @@ GEM
       mongo (~> 2.1)
       origin (~> 2.1)
       tzinfo (>= 0.3.37)
+    mongoid-rspec (3.0.0)
+      mongoid (~> 5.0)
+      rake
+      rspec (~> 3.3)
     multi_json (1.11.2)
     nokogiri (1.6.6.2)
       mini_portile (~> 0.6.0)
@@ -111,6 +115,10 @@ GEM
       thor (>= 0.18.1, < 2.0)
     rake (10.4.2)
     rdoc (4.2.0)
+    rspec (3.3.0)
+      rspec-core (~> 3.3.0)
+      rspec-expectations (~> 3.3.0)
+      rspec-mocks (~> 3.3.0)
     rspec-core (3.3.2)
       rspec-support (~> 3.3.0)
     rspec-expectations (3.3.1)
@@ -180,6 +188,7 @@ DEPENDENCIES
   jbuilder (~> 2.0)
   jquery-rails
   mongoid (~> 5.0.0)
+  mongoid-rspec (= 3.0.0)
   rails (= 4.2.4)
   rspec-rails (~> 3.0)
   sass-rails (~> 5.0)
diff --git a/config/application.rb b/config/application.rb
index 2b51c66..db9c6ed 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -27,7 +27,7 @@ module Ch420
 
     # The default locale is :en and all translations from config/locales/*.rb,yml are auto loaded.
     # config.i18n.load_path += Dir[Rails.root.join('my', 'locales', '*.{rb,yml}').to_s]
-    config.i18n.default_locale = :de
+    # config.i18n.default_locale = :de
 
     config.generators do |g|
       g.orm :mongoid
diff --git a/config/mongoid.yml b/config/mongoid.yml
index 2c7f2d0..740be87 100644
--- a/config/mongoid.yml
+++ b/config/mongoid.yml
@@ -1,128 +1,10 @@
 development:
-  # Configure available database clients. (required)
   clients:
-    # Defines the default client. (required)
     default:
-      # Defines the name of the default database that Mongoid can connect to.
-      # (required).
       database: ch420_development
-      # Provides the hosts the default client can connect to. Must be an array
-      # of host:port pairs. (required)
       hosts:
         - localhost:27017
-      options:
-        # Change the default write concern. (default = { w: 1 })
-        # write:
-        #   w: 1
 
-        # Change the default read preference. Valid options for mode are: :secondary,
-        # :secondary_preferred, :primary, :primary_preferred, :nearest
-        # (default: primary)
-        # read:
-        #   mode: :secondary_preferred
-
-        # The name of the user for authentication.
-        # user: 'user'
-
-        # The password of the user for authentication.
-        # password: 'password'
-
-        # The user's database roles.
-        # roles:
-        #   - 'dbOwner'
-
-        # Change the default authentication mechanism. Valid options are: :scram,
-        # :mongodb_cr, :mongodb_x509, and :plain. (default on 3.0 is :scram, default
-        # on 2.4 and 2.6 is :plain)
-        # auth_mech: :scram
-
-        # The database or source to authenticate the user against. (default: admin)
-        # auth_source: admin
-
-        # Force a the driver cluster to behave in a certain manner instead of auto-
-        # discovering. Can be one of: :direct, :replica_set, :sharded. Set to :direct
-        # when connecting to hidden members of a replica set.
-        # connect: :direct
-
-        # Changes the default time in seconds the server monitors refresh their status
-        # via ismaster commands. (default: 10)
-        # heartbeat_frequency: 10
-
-        # The time in seconds for selecting servers for a near read preference. (default: 5)
-        # local_threshold: 5
-
-        # The timeout in seconds for selecting a server for an operation. (default: 30)
-        # server_selection_timeout: 30
-
-        # The maximum number of connections in the connection pool. (default: 5)
-        # max_pool_size: 5
-
-        # The minimum number of connections in the connection pool. (default: 1)
-        # min_pool_size: 1
-
-        # The time to wait, in seconds, in the connection pool for a connection
-        # to be checked in before timing out. (default: 5)
-        # wait_queue_timeout: 5
-
-        # The time to wait to establish a connection before timing out, in seconds.
-        # (default: 5)
-        # connect_timeout: 5
-
-        # The timeout to wait to execute operations on a socket before raising an error.
-        # (default: 5)
-        # socket_timeout: 5
-
-        # The name of the replica set to connect to. Servers provided as seeds that do
-        # not belong to this replica set will be ignored.
-        # replica_set: name
-
-        # Whether to connect to the servers via ssl. (default: false)
-        # ssl: true
-
-        # The certificate file used to identify the connection against MongoDB.
-        # ssl_cert: /path/to/my.cert
-
-        # The private keyfile used to identify the connection against MongoDB.
-        # Note that even if the key is stored in the same file as the certificate,
-        # both need to be explicitly specified.
-        # ssl_key: /path/to/my.key
-
-        # A passphrase for the private key.
-        # ssl_key_pass_phrase: password
-
-        # Whether or not to do peer certification validation. (default: false)
-        # ssl_verify: true
-
-        # The file containing a set of concatenated certification authority certifications
-        # used to validate certs passed from the other end of the connection.
-        # ssl_ca_cert: /path/to/ca.cert
-
-
-  # Configure Mongoid specific options. (optional)
-  options:
-    # Includes the root model name in json serialization. (default: false)
-    # include_root_in_json: false
-
-    # Include the _type field in serialization. (default: false)
-    # include_type_for_serialization: false
-
-    # Preload all models in development, needed when models use
-    # inheritance. (default: false)
-    # preload_models: false
-
-    # Raise an error when performing a #find and the document is not found.
-    # (default: true)
-    # raise_not_found_error: true
-
-    # Raise an error when defining a scope with the same name as an
-    # existing method. (default: false)
-    # scope_overwrite_exception: false
-
-    # Use Active Support's time zone in conversions. (default: true)
-    # use_activesupport_time_zone: true
-
-    # Ensure all times are UTC in the app side. (default: false)
-    # use_utc: false
 test:
   clients:
     default:
diff --git a/spec/models/supporter_spec.rb b/spec/models/supporter_spec.rb
new file mode 100644
index 0000000..23ba915
--- /dev/null
+++ b/spec/models/supporter_spec.rb
@@ -0,0 +1,7 @@
+require 'rails_helper'
+
+describe Supporter do
+  it { is_expected.to validate_presence_of(:email) }
+  it { is_expected.to validate_uniqueness_of(:email) }
+  it { is_expected.to validate_presence_of(:support) }
+end
diff --git a/spec/rails_helper.rb b/spec/rails_helper.rb
new file mode 100644
index 0000000..08cc200
--- /dev/null
+++ b/spec/rails_helper.rb
@@ -0,0 +1,25 @@
+# This file is copied to spec/ when you run 'rails generate rspec:install'
+ENV['RAILS_ENV'] ||= 'test'
+require File.expand_path('../../config/environment', __FILE__)
+# Prevent database truncation if the environment is production
+abort('The Rails environment is running in production mode!') if Rails.env.production?
+require 'spec_helper'
+require 'rspec/rails'
+# Add additional requires below this line. Rails is not loaded until this point!
+
+# Requires supporting ruby files with custom matchers and macros, etc, in
+# spec/support/ and its subdirectories. Files matching `spec/**/*_spec.rb` are
+# run as spec files by default. This means that files in spec/support that end
+# in _spec.rb will both be required and run as specs, causing the specs to be
+# run twice. It is recommended that you do not name files matching this glob to
+# end with _spec.rb. You can configure this pattern with the --pattern
+# option on the command line or in ~/.rspec, .rspec or `.rspec-local`.
+#
+# The following line is provided for convenience purposes. It has the downside
+# of increasing the boot-up time by auto-requiring all files in the support
+# directory. Alternatively, in the individual `*_spec.rb` files, manually
+# require only the support files necessary.
+#
+# Dir[Rails.root.join('spec/support/**/*.rb')].each { |f| require f }
+
+RSpec.configure(&:infer_spec_type_from_file_location!)
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
new file mode 100644
index 0000000..16aefb5
--- /dev/null
+++ b/spec/spec_helper.rb
@@ -0,0 +1,47 @@
+# This file is copied to spec/ when you run 'rails generate rspec:install'
+ENV['RAILS_ENV'] ||= 'test'
+require File.expand_path('../../config/environment', __FILE__)
+
+require 'rspec/rails'
+require 'mongoid-rspec'
+
+Mongo::Logger.logger.level = Logger::WARN # Set log level to DEBUG to see everything
+
+Dir[Rails.root.join('spec/support/**/*.rb')].each { |f| require f }
+
+# Require the gems listed in Gemfile, including any gems
+# you've limited to :test, :development, or :production.
+Bundler.require(*Rails.groups)
+
+RSpec.configure do |config|
+  config.include Mongoid::Matchers, type: :model
+
+  # rspec-expectations config goes here. You can use an alternate
+  # assertion/expectation library such as wrong or the stdlib/minitest
+  # assertions if you prefer.
+  config.expect_with :rspec do |expectations|
+    # This option will default to `true` in RSpec 4. It makes the `description`
+    # and `failure_message` of custom matchers include text for helper methods
+    # defined using `chain`, e.g.:
+    #     be_bigger_than(2).and_smaller_than(4).description
+    #     # => "be bigger than 2 and smaller than 4"
+    # ...rather than:
+    #     # => "be bigger than 2"
+    expectations.include_chain_clauses_in_custom_matcher_descriptions = true
+  end
+
+  # rspec-mocks config goes here. You can use an alternate test double
+  # library (such as bogus or mocha) by changing the `mock_with` option here.
+  config.mock_with :rspec do |mocks|
+    # Prevents you from mocking or stubbing a method that does not exist on
+    # a real object. This is generally recommended, and will default to
+    # `true` in RSpec 4.
+    mocks.verify_partial_doubles = true
+  end
+
+  config.order = :random
+
+  config.after(:each) do
+    Mongoid.purge!
+  end
+end