Add Rails 5.1 and Ruby 2.4 tests

.gitlab-ci.yml

-image: "registry.roqua.nl/roqua/roqua-build-images:ruby-2.3-rails-base-test"
-
 variables:
   RAILS_ENV: "test"
 
-cache:
-  paths:
-    - .gems
-
 before_script:
   - export BUNDLE_PATH=$CI_PROJECT_DIR/.gems
   - bundle --jobs 2 --retry 3
   - bundle exec appraisal
   - bundle --jobs 2 --retry 3
 
-rails_41:
+.ruby_23: &ruby_23
+  image: registry.roqua.nl/roqua/roqua-build-images:ruby-2.3-rails-base-test
+  cache:
+    key: ruby_23
+    paths:
+      - .gems
+
+.ruby_24: &ruby_24
+  image: registry.roqua.nl/roqua/roqua-build-images:ruby-2.4-rails-base-test
+  cache:
+    key: ruby_24
+    paths:
+      - .gems
+
+rails_41_ruby_23:
+  <<: *ruby_23
   script:
     - bundle exec appraisal rails41 bundle exec rspec
 
-rails_42:
+rails_42_ruby_23:
+  <<: *ruby_23
   script:
     - bundle exec appraisal rails42 bundle exec rspec
 
-rails_50:
+rails_50_ruby_23:
+  <<: *ruby_23
   script:
     - bundle exec appraisal rails50 bundle exec rspec
+
+rails_50_ruby_24:
+  <<: *ruby_24
+  script:
+    - bundle exec appraisal rails50 bundle exec rspec
+
+rails_51_ruby_23:
+  <<: *ruby_23
+  script:
+    - bundle exec appraisal rails51 bundle exec rspec
+
+rails_51_ruby_24:
+  <<: *ruby_24
+  script:
+    - bundle exec appraisal rails51 bundle exec rspec

Appraisals

@@ -9,3 +9,7 @@ end
 appraise "rails50" do
   gem "activesupport", "5.0"
 end
+
+appraise "rails51" do
+  gem "activesupport", "5.1"
+end

gemfiles/rails41.gemfile

@@ -3,11 +3,13 @@
 source "https://rubygems.org"
 
 gem "appraisal"
+gem "roqua_styleguide", :git => "https://gitlab.roqua.nl/roqua/styleguide.git"
 gem "activesupport", "4.1"
 
 group :test do
   gem "actionpack", ">= 4.0"
   gem "active_interaction", "~> 3.0"
+  gem "appsignal"
   gem "combustion", "~> 0.5.2"
   gem "guard-rspec", "~> 4.2.6"
   gem "responders"

gemfiles/rails42.gemfile

@@ -3,11 +3,13 @@
 source "https://rubygems.org"
 
 gem "appraisal"
+gem "roqua_styleguide", :git => "https://gitlab.roqua.nl/roqua/styleguide.git"
 gem "activesupport", "4.2"
 
 group :test do
   gem "actionpack", ">= 4.0"
   gem "active_interaction", "~> 3.0"
+  gem "appsignal"
   gem "combustion", "~> 0.5.2"
   gem "guard-rspec", "~> 4.2.6"
   gem "responders"

gemfiles/rails50.gemfile

@@ -3,11 +3,13 @@
 source "https://rubygems.org"
 
 gem "appraisal"
+gem "roqua_styleguide", :git => "https://gitlab.roqua.nl/roqua/styleguide.git"
 gem "activesupport", "5.0"
 
 group :test do
   gem "actionpack", ">= 4.0"
   gem "active_interaction", "~> 3.0"
+  gem "appsignal"
   gem "combustion", "~> 0.5.2"
   gem "guard-rspec", "~> 4.2.6"
   gem "responders"

gemfiles/rails51.gemfile

+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "appraisal"
+gem "roqua_styleguide", :git => "https://gitlab.roqua.nl/roqua/styleguide.git"
+gem "activesupport", "5.1"
+
+group :test do
+  gem "actionpack", ">= 4.0"
+  gem "active_interaction", "~> 3.0"
+  gem "appsignal"
+  gem "combustion", "~> 0.5.2"
+  gem "guard-rspec", "~> 4.2.6"
+  gem "responders"
+  gem "rspec-instrumentation-matcher"
+  gem "rspec-rails"
+end
+
+gemspec :path => "../"