Improve config specs so they dont rely on config.yml

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

spec/gitlab_config_spec.rb

@@ -5,20 +5,27 @@ describe GitlabConfig do
   let(:config) { GitlabConfig.new }
 
   describe :redis do
-    subject { config.redis }
-
-    it { should be_a(Hash) }
-    it { should have_key('bin') }
-    it { should have_key('host') }
-    it { should have_key('port') }
-    it { should have_key('database') }
-    it { should have_key('namespace') }
+    before do
+      config.instance_variable_set(:@config, YAML.load(<<eos
+redis:
+  bin: /usr/bin/redis-cli
+  host: 127.0.1.1
+  port: 6378
+  pass: secure
+  database: 1
+  socket: /var/run/redis/redis.sock
+  namespace: my:gitlab
+eos
+                                   ))
     end
 
-  describe :redis_namespace do
-    subject { config.redis_namespace }
-
-    it { should eq('resque:gitlab') }
+    it { config.redis['bin'].should eq('/usr/bin/redis-cli') }
+    it { config.redis['host'].should eq('127.0.1.1') }
+    it { config.redis['port'].should eq(6378) }
+    it { config.redis['database'].should eq(1) }
+    it { config.redis['namespace'].should eq('my:gitlab') }
+    it { config.redis['socket'].should eq('/var/run/redis/redis.sock') }
+    it { config.redis['pass'].should eq('secure') }
   end
 
   describe :gitlab_url do