Setup test coverage with CodeClimate.

.travis.yml

@@ -2,11 +2,26 @@ language: ruby
 sudo: false
 before_install:
   - bundle update
+env:
+  global:
+    - CC_TEST_REPORTER_ID=98c9b3070ea9ac0e8f7afb6570f181506c3a06372b1db5c7deb8e46089fdf132
+    - GIT_COMMITTED_AT=$(if [ "$TRAVIS_PULL_REQUEST" == "false" ]; then git log -1 --pretty=format:%ct; else git log -1 --skip 1 --pretty=format:%ct; fi)
 rvm:
   - 2.2.2
   - 2.3.3
   - ruby-head
-
 matrix:
   allow_failures:
     - rvm: ruby-head
+before_script:
+  - curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
+  - chmod +x ./cc-test-reporter
+  - ./cc-test-reporter before-build
+after_script:
+  # Preferably you will run test-reporter on branch update events. But 
+  # if you setup travis to build PR updates only, you don't need to run 
+  # the line below
+  - if [ "$TRAVIS_PULL_REQUEST" == "false" ]; then ./cc-test-reporter after-build --exit-code $TRAVIS_TEST_RESULT; fi
+  # In the case where travis is setup to build PR updates only, 
+  # uncomment the line below
+  # - ./cc-test-reporter after-build --exit-code $TRAVIS_TEST_RESULT

jsonapi-rails.gemspec

@@ -21,4 +21,5 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'sqlite3'
   spec.add_development_dependency 'rake',        '~> 11.3'
   spec.add_development_dependency 'rspec-rails', '~> 3.5'
+  spec.add_development_dependency 'simplecov'
 end

spec/spec_helper.rb

@@ -1,3 +1,6 @@
+require 'simplecov'
+SimpleCov.start
+
 # This file was generated by the `rails generate rspec:install` command. Conventionally, all
 # specs live under a `spec` directory, which RSpec adds to the `$LOAD_PATH`.
 # The generated `.rspec` file contains `--require spec_helper` which will cause