Merge pull request #182 from watermarkchurch/coverage

coverage

.travis.yml

@@ -22,6 +22,9 @@ install:
 script:
   - export COVERALLS_PARALLEL=true
   - bin/bundle exec rspec --format documentation --order rand
+  # only run coverage on the wcc-contentful gem
+  - bundle exec rake coverage
+  - bundle exec rake coverage:coveralls
 jobs:
   include:
     - stage: lint

Rakefile

@@ -7,18 +7,21 @@ require 'active_support/inflector'
 require_relative 'wcc-contentful/lib/wcc/contentful/version'
 version = WCC::Contentful::VERSION
 
-
 GEMS = [
   'wcc-contentful',
   'wcc-contentful-app',
   'wcc-contentful-graphql'
-]
+].freeze
 
 GEMS.each do |name|
   namespace name do
     Dir.chdir(name) do
       Bundler::GemHelper.install_tasks
     end
+
+    task :coverage do
+      system('rspec', chdir: name)
+    end
   end
 end
 
@@ -56,13 +59,51 @@ namespace :bump do
 end
 
 desc "Create tag and build and push all gems\n" \
-  "To prevent publishing in RubyGems use `gem_push=no rake release`"
+  'To prevent publishing in RubyGems use `gem_push=no rake release`'
 task release: [:check].concat(GEMS.map { |g| "#{g}:release" })
 desc "Build #{GEMS.join(',')} into the pkg directory."
 task build: GEMS.map { |g| "#{g}:build" }
 task install: GEMS.map { |g| "#{g}:install" }
-task "install:local" => GEMS.map { |g| "#{g}:install:local" }
+task 'install:local' => GEMS.map { |g| "#{g}:install:local" }
 
 def to_const(gem)
   gem.split('-').map(&:titleize).join('::').gsub('Wcc', 'WCC').constantize
-end
+end
+
+namespace :coverage do
+  task :aggregate do
+    require 'simplecov'
+
+    # https://github.com/colszowka/simplecov/issues/219#issuecomment-377991535
+    results =
+      GEMS.map { |g| "#{g}/coverage/.resultset.json" }.map do |result_file_name|
+        puts "Processing #{result_file_name}"
+        SimpleCov::Result.from_hash(JSON.parse(File.read(result_file_name)))
+      end
+    merged_result = SimpleCov::ResultMerger.merge_results(*results)
+    FileUtils.mkdir_p('./coverage')
+    File.write('./coverage/.resultset.json', JSON.pretty_generate(merged_result.to_hash))
+  end
+
+  task html: 'coverage:aggregate' do
+    require 'simplecov'
+
+    result = SimpleCov::Result.from_hash(JSON.parse(File.read('./coverage/.resultset.json')))
+    formatter = SimpleCov::Formatter::HTMLFormatter.new
+    formatter.format(result)
+
+    system('open ./coverage/index.html')
+  end
+
+  task coveralls: 'coverage:aggregate' do
+    require 'simplecov'
+    require 'coveralls'
+
+    result = SimpleCov::Result.from_hash(JSON.parse(File.read('./coverage/.resultset.json')))
+    formatter = Coveralls::SimpleCov::Formatter.new
+    formatter.format(result)
+  end
+end
+
+task coverage: [*GEMS.map { |g| "#{g}:coverage" }, 'coverage:aggregate'] do
+end

wcc-contentful-app/spec/spec_helper.rb

@@ -2,6 +2,12 @@
 
 require 'simplecov'
 
+SimpleCov.start do
+  root File.expand_path('../..', __dir__)
+  add_filter '/spec/'
+  coverage_dir "#{File.expand_path('..', __dir__)}/coverage"
+end
+
 require 'bundler/setup'
 require 'dotenv/load'
 require 'wcc/contentful'

wcc-contentful-graphql/spec/spec_helper.rb

@@ -2,6 +2,12 @@
 
 require 'simplecov'
 
+SimpleCov.start do
+  root File.expand_path('../..', __dir__)
+  add_filter '/spec/'
+  coverage_dir "#{File.expand_path('..', __dir__)}/coverage"
+end
+
 require 'bundler/setup'
 require 'dotenv/load'
 require 'wcc/contentful'

wcc-contentful/spec/spec_helper.rb

@@ -2,6 +2,12 @@
 
 require 'simplecov'
 
+SimpleCov.start do
+  root File.expand_path('../..', __dir__)
+  add_filter '/spec/'
+  coverage_dir "#{File.expand_path('..', __dir__)}/coverage"
+end
+
 require 'bundler/setup'
 require 'dotenv/load'
 require 'wcc/contentful'