Add power_assert example

Author: sueyoshi_go

Gemfile

@@ -2,6 +2,7 @@ source 'https://rubygems.org'
 
 group :development do
   gem 'rspec', '~> 3.1.0'
+  gem 'rspec-power_assert'
 
   gem 'guard-rspec', "~> 4.3.1"
 

Gemfile.lock

@@ -26,6 +26,7 @@ GEM
       rb-inotify (>= 0.9)
     lumberjack (1.0.9)
     method_source (0.8.2)
+    power_assert (0.2.1)
     pry (0.10.1)
       coderay (~> 1.1.0)
       method_source (~> 0.8.1)
@@ -45,6 +46,9 @@ GEM
       rspec-support (~> 3.1.0)
     rspec-mocks (3.1.3)
       rspec-support (~> 3.1.0)
+    rspec-power_assert (0.2.0)
+      power_assert (~> 0.2.0)
+      rspec (>= 2.14)
     rspec-support (3.1.2)
     slop (3.6.0)
     thor (0.19.1)
@@ -60,3 +64,4 @@ DEPENDENCIES
   libnotify
   rb-notifu
   rspec (~> 3.1.0)
+  rspec-power_assert

spec/lib/sample_spec.rb

@@ -18,5 +18,13 @@
       let(:greeting){ "Yeah!" }
       it { should eq "Yeah! TDD BootCamp!" }
     end
+
+    describe "Using power assert " do
+      let(:greeting){ "Wow!" }
+
+      it do
+        is_asserted_by{ sample.say(greeting) == "Wow! TDD BootCamp!" }
+      end
+    end
   end
 end

spec/spec_helper.rb

@@ -20,6 +20,8 @@
 root_dir = File.expand_path(File.dirname(__FILE__) + "/..")
 Dir["#{root_dir}/lib/**/*.rb"].each { |f| require f }
 
+require "rspec-power_assert"
+
 RSpec.configure do |config|
   # rspec-expectations config goes here. You can use an alternate
   # assertion/expectation library such as wrong or the stdlib/minitest