Add SimpleCov to generate test reports in the console

Gemfile.lock

@@ -7,10 +7,14 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
+    ansi (1.5.0)
     ast (2.4.0)
     concurrent-ruby (1.0.5)
+    docile (1.3.0)
+    hirb (0.7.3)
     i18n (0.9.1)
       concurrent-ruby (~> 1.0)
+    json (2.1.0)
     minitest (5.10.3)
     parallel (1.12.1)
     parser (2.5.1.0)
@@ -27,6 +31,15 @@ GEM
       ruby-progressbar (~> 1.7)
       unicode-display_width (~> 1.0, >= 1.0.1)
     ruby-progressbar (1.9.0)
+    simplecov (0.16.1)
+      docile (~> 1.1)
+      json (>= 1.8, < 3)
+      simplecov-html (~> 0.10.0)
+    simplecov-console (0.4.2)
+      ansi
+      hirb
+      simplecov
+    simplecov-html (0.10.2)
     test-unit (3.2.6)
       power_assert
     timecop (0.9.1)
@@ -40,6 +53,8 @@ DEPENDENCIES
   minitest
   rake
   rubocop
+  simplecov
+  simplecov-console
   test-unit
   timecop
 

faker.gemspec

@@ -16,6 +16,8 @@ Gem::Specification.new do |s|
   s.add_development_dependency('minitest')
   s.add_development_dependency('rake')
   s.add_development_dependency('rubocop')
+  s.add_development_dependency('simplecov')
+  s.add_development_dependency('simplecov-console')
   s.add_development_dependency('test-unit')
   s.add_development_dependency('timecop')
   s.required_ruby_version = '>= 2.1'

test/test_helper.rb

@@ -1,3 +1,10 @@
+require 'simplecov'
+require 'simplecov-console'
+SimpleCov.formatter = SimpleCov.formatter = SimpleCov::Formatter::Console
+SimpleCov.start do
+  add_filter ['.bundle', 'lib/extensions', 'test']
+end
+
 require 'test/unit'
 require 'rubygems'
 require 'timecop'