add simplecov (#862)

100% test coverage is not a goal in and of itself.

.gitignore

@@ -21,6 +21,7 @@ public/assets
 public/avatars
 public/sitemap*
 node_modules/
+coverage/
 yarn-error.log
 yarn.lock
 .byebug*

Gemfile

@@ -57,4 +57,5 @@ group :test, :development do
   gem "rb-readline"
   gem "vcr"
   gem "webmock" # used to support vcr
+  gem 'simplecov', require: false
 end

Gemfile.lock

@@ -88,6 +88,7 @@ GEM
     crass (1.0.6)
     database_cleaner (1.8.5)
     diff-lcs (1.4.4)
+    docile (1.3.2)
     erubi (1.9.0)
     exception_notification (4.4.3)
       actionmailer (>= 4.0, < 7)
@@ -235,6 +236,10 @@ GEM
     scenic-mysql_adapter (1.0.1)
       mysql2
       scenic (>= 1.4.0)
+    simplecov (0.18.5)
+      docile (~> 1.1)
+      simplecov-html (~> 0.11)
+    simplecov-html (0.12.2)
     sitemap_generator (6.1.2)
       builder (~> 3.0)
     sprockets (3.7.2)
@@ -308,6 +313,7 @@ DEPENDENCIES
   ruumba
   scenic
   scenic-mysql_adapter
+  simplecov
   sitemap_generator
   sprockets-rails (= 2.3.3)
   svg-graph

spec/rails_helper.rb

@@ -2,7 +2,9 @@
 ENV["RAILS_ENV"] ||= 'test'
 require File.expand_path("../../config/environment", __FILE__)
 require 'rspec/rails'
+require 'simplecov'
 
+SimpleCov.start 'rails'
 # Requires supporting ruby files with custom matchers and macros, etc,
 # in spec/support/ and its subdirectories.
 Dir[Rails.root.join("spec/support/**/*.rb")].sort.each {|f| require f }