Fix rspec metadata integration.

vcr#414 updated to RSpec 3.0.0.rc1 but based on the feedback we got
from that (rspec/rspec-core#1552),
we changed the metadata a bit more
(rspec/rspec-core#1557), which broke
things here.

CHANGELOG.md

@@ -1,3 +1,11 @@
+## Unreleased changes
+[Full Changelog](http://github.com/vcr/vcr/compare/v2.9.1...master)
+
+Bug Fixes:
+
+* Fix RSpec metadata integration once more -- we changed it a bit more
+  in response to user feedback. (Myron Marston)
+
 ## 2.9.1 (May 23, 2014)
 [Full Changelog](http://github.com/vcr/vcr/compare/v2.9.0...v2.9.1)
 

Gemfile

@@ -26,7 +26,9 @@ gem 'rake', '>= 0.9.2'
 gem 'cucumber', '>= 1.1.4'
 gem 'aruba', '>= 0.5'
 
-gem 'rspec', '>= 3.0.0.rc1'
+%w[ core mocks expectations support ].each do |name|
+  gem "rspec-#{name}", :github => "rspec/rspec-#{name}"
+end
 
 gem 'fakeweb', '>= 1.3.0'
 gem 'webmock', '>= 1.14'

Gemfile.lock

@@ -1,3 +1,31 @@
+GIT
+  remote: git://github.com/rspec/rspec-core.git
+  revision: 5dad09158a9e5d94830dffcacc19f34e3bbc574f
+  specs:
+    rspec-core (3.0.0.rc1)
+      rspec-support (= 3.0.0.rc1)
+
+GIT
+  remote: git://github.com/rspec/rspec-expectations.git
+  revision: 1dce0c78b1a19f0d328d9574d7b3e4201e269b3f
+  specs:
+    rspec-expectations (3.0.0.rc1)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (= 3.0.0.rc1)
+
+GIT
+  remote: git://github.com/rspec/rspec-mocks.git
+  revision: 6176d177121cdb4b83a31fac3b647ff89148a9b5
+  specs:
+    rspec-mocks (3.0.0.rc1)
+      rspec-support (= 3.0.0.rc1)
+
+GIT
+  remote: git://github.com/rspec/rspec-support.git
+  revision: b5f29f2f03ee57f3bbcca092e09fe5a7199b3580
+  specs:
+    rspec-support (3.0.0.rc1)
+
 PATH
   remote: .
   specs:
@@ -85,18 +113,6 @@ GEM
       rest-client (>= 1.6.1)
     rest-client (1.6.7)
       mime-types (>= 1.16)
-    rspec (3.0.0.rc1)
-      rspec-core (= 3.0.0.rc1)
-      rspec-expectations (= 3.0.0.rc1)
-      rspec-mocks (= 3.0.0.rc1)
-    rspec-core (3.0.0.rc1)
-      rspec-support (= 3.0.0.rc1)
-    rspec-expectations (3.0.0.rc1)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (= 3.0.0.rc1)
-    rspec-mocks (3.0.0.rc1)
-      rspec-support (= 3.0.0.rc1)
-    rspec-support (3.0.0.rc1)
     ruby-debug (0.10.4)
       columnize (>= 0.1)
       ruby-debug-base (~> 0.10.4.0)
@@ -147,7 +163,10 @@ DEPENDENCIES
   redcarpet (~> 1.17.2)
   redis (>= 2.2.2)
   relish (~> 0.6)
-  rspec (>= 3.0.0.rc1)
+  rspec-core!
+  rspec-expectations!
+  rspec-mocks!
+  rspec-support!
   ruby-debug
   simplecov (>= 0.5.3)
   sinatra (>= 1.3.2)

lib/vcr/test_frameworks/rspec.rb

@@ -9,9 +9,13 @@ def configure!
         ::RSpec.configure do |config|
           vcr_cassette_name_for = lambda do |metadata|
             description = metadata[:description]
-            example_group = metadata[:parent_example_group] || metadata[:example_group]
+            example_group = if metadata.key?(:example_group)
+                              metadata[:example_group]
+                            else
+                              metadata[:parent_example_group]
+                            end
 
-            if example_group && example_group.any?
+            if example_group
               [vcr_cassette_name_for[example_group], description].join('/')
             else
               description