Get tests passing after gem updates

- Lock sqlite3 to 1.3.x
- Downgrade to bundler 1.x
- Test non-EOL ruby versions
- Move make_site.sh to scripts/
- Add scripts/run_tests.sh

.rubocop.yml

@@ -678,7 +678,7 @@ Style/IndentationConsistency:
 Style/IndentationWidth:
   Description: 'Use 2 spaces for indentation.'
   StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#spaces-indentation'
-  Enabled: false
+  Enabled: true
 
 Style/IndentArray:
   Description: >-
@@ -708,7 +708,7 @@ Style/LambdaCall:
 Style/LeadingCommentSpace:
   Description: 'Comments should start with a space.'
   StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#hash-space'
-  Enabled: false
+  Enabled: true
 
 Style/LineEndConcatenation:
   Description: >-

.travis.yml

@@ -1,19 +1,26 @@
 language: ruby
 rvm:
-  - 2.2
   - 2.3
   - 2.4
   - 2.5
+  - 2.6
 env:
   - RAILS_VERSION=3.2.0
   - RAILS_VERSION=4.2.0
-  - RAILS_VERSION=5.1.0
+  - RAILS_VERSION=5.2.0
 cache: bundler
-install: ./make_site.sh
-script: bundle exec rspec
+before_install:
+  # Revert to bundler 1.x for compatibility with Rails 4.2 on Ruby 2.5
+  - "find /home/travis/.rvm/rubies -wholename '*default/bundler-*.gemspec' -delete"
+  - rvm @global do gem uninstall bundler -a -x -I || true
+  - gem install bundler -v '~> 1.17'
+install: scripts/make_site.sh
+script: scripts/run_tests.sh
 matrix:
   exclude:
   - rvm: 2.4
     env: RAILS_VERSION=3.2.0
   - rvm: 2.5
     env: RAILS_VERSION=3.2.0
+  - rvm: 2.6
+    env: RAILS_VERSION=3.2.0

CONTRIBUTING.md

@@ -2,14 +2,14 @@
 
 ## Running tests
 
-The `make_site.sh` script will create a test site for a specific version of
-Rails and run the tests:
+The `scripts/make_site.sh` script will create a test site for a specific version of
+Rails:
 ```
-RAILS_VERSION=4.2.0
-./make_site.sh
+export RAILS_VERSION=4.2.0
+scripts/make_site.sh
 ```
 
-Once the test site is created you can just re-run the tests:
+Once the test site is created you can run the tests:
 ```
-bundle exec rspec
+scripts/run_tests.sh
 ```

Gemfile

@@ -3,22 +3,23 @@ source "https://rubygems.org"
 gemspec
 
 # Allow the rails version to come from an ENV setting so Tavis can test multiple
-# versions. Inspired by http://www.schneems.com/post/50991826838/testing-against-multiple-rails-versions/
-rails_version = ENV['RAILS_VERSION'] || '3.2.22'
+# versions.
+rails_version = ENV['RAILS_VERSION'] || '5.2.0'
 rails_major = rails_version.split('.').first
-rails_gem = case rails_version
-            when "default" then
-              "~> 5.0.0"
-            else
-              "~> #{rails_version}"
-            end
 
-gem 'rails', rails_gem
-gem 'sqlite3'
+gem 'rails', "~> #{rails_version}"
 gem 'pry'
 gem 'pry-byebug'
+gem 'sqlite3', '~> 1.3.13'
 
-# Rails 3 requires this but it was removed in Ruby 2.2
-gem 'test-unit', '~> 3.0' if rails_major == '3'
-# Need this for Rails 4 to get the JSON responses from the scaffold
-gem 'jbuilder' if rails_major == '4'
+case rails_major
+when '3'
+  # Rails 3 requires this but it was removed in Ruby 2.2
+  gem 'test-unit', '~> 3.0'
+when '4'
+  # Need this for Rails 4 to get the JSON responses from the scaffold
+  gem 'jbuilder'
+when '5'
+  # Required for 5.2+
+  gem 'bootsnap'
+end

make_site.sh → scripts/make_site.sh

@@ -1,20 +1,17 @@
 #!/bin/bash
-set -x
+set -x -e
 
-# export RAILS_VERSION=3.2.0
-# export RAILS_VERSION=4.0.0
-# export RAILS_VERSION=5.0.0
 major=$(echo $RAILS_VERSION | cut -d '.' -f1)
 
-rm Gemfile.lock
+rm Gemfile.lock || true
 bundle install
 
-rm -r spec/testapp
+rm -r spec/testapp || true
 bundle exec rails new spec/testapp --api -d sqlite3 --skip-gemfile --skip-bundle --skip-test-unit --skip-action-mailer --skip-puma --skip-action-cable --skip-sprockets --skip-javascript --skip-spring --skip-listen
 cd spec/testapp
 
 bundle exec rails generate scaffold Post title:string body:text
-rm -r spec
+rm -r spec || true
 
 if [ $major -eq 5 ]
 then
@@ -26,7 +23,3 @@ else
 fi
 
 cd -
-
-bundle exec rspec
-# Duplicating the body of the rake task. Need to figure out how to call it directly.
-bundle exec rspec -f RSpec::Rails::Swagger::Formatter --order defined -t swagger_object

scripts/run_tests.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+set -x -e
+
+bundle exec rspec
+# Duplicating the body of the rake task. Need to figure out how to call it directly.
+bundle exec rspec -f RSpec::Rails::Swagger::Formatter --order defined -t swagger_object