Overhaul TESTING.md (fix for issue #39).

TESTING.md

@@ -2,30 +2,57 @@ Testing
 =======
 
 Preparation
------
+-----------
+
+Install Chef DK by following https://docs.chef.io/install_dk.html.
+
+Ensure both bin dirs from chefdk take precedence in your `$PATH`:
+
+    $ export PATH="/opt/chefdk/bin:/opt/chefdk/embedded/bin:$PATH"
+
+List the rake tasks available:
+
+    $ rake -T
+
+Install the gem dependencies and cookbooks:
 
-    $ bundle install
+    $ rake prepare
 
-And then, to install all cookbooks:
+All
+---
 
-    $ bundle exec berks install
+Run all tests, write a symphony while you wait:
 
-Local
+    $ rake test
+
+Style
 -----
 
-    $ bundle exec strainer test
+Rubocop and Foodcritic:
+
+    $ rake style
 
-The above runs:
+Unit
+----
 
- - `knife cookbook test` tests
- - Food Critic lint
- - Chefspec tests
+Currently ChefSpec only:
 
-Chefspec tests (the interesting part) are in `spec/`.
+    $ rake unit
 
 Integration
 -----------
 
-    $ bundle exec kitchen test
-
- See `.kitchen.yml` and `test/` directory for details.
+    $ rake kitchen:all
+
+See `.kitchen.yml` and `test/` directory for details.
+
+Additional Information
+----------------------
+
+Rake is used as a wrapper, providing quick commands to do key tests. Feel free
+to use all the different methods provided by Chef DK and the development files
+included in the cookbook.
+
+These testing methods are also supported, although appear outdated at this time:
+
+https://github.com/chef-cookbooks/community_cookbook_documentation/blob/master/TESTING.MD