Added dashboard_stubs

Following a pattern already laid out in other cookbooks.
Invoke a common stub method before each test.

Change-Id: Ib52afd39b299b85db74a28182dd8d7e35138f91d

spec/server-fedora_spec.rb

@@ -1,14 +1,7 @@
 require_relative "spec_helper"
 
 describe "openstack-dashboard::server" do
-  before do
-    ::Chef::Recipe.any_instance.stub(:memcached_servers).
-      and_return ["hostA:port", "hostB:port"]
-    ::Chef::Recipe.any_instance.stub(:db_password).with("horizon").
-      and_return "test-pass"
-  end
-
-  # Fedora doesn't seem to be supported by fauxhai.
+  before { dashboard_stubs }
 
   #describe "fedora" do
   #  before do

spec/server-opensuse_spec.rb

@@ -1,12 +1,7 @@
 require_relative "spec_helper"
 
 describe "openstack-dashboard::server" do
-  before do
-    ::Chef::Recipe.any_instance.stub(:memcached_servers).
-      and_return []
-    ::Chef::Recipe.any_instance.stub(:db_password).with("horizon").
-      and_return "test-pass"
-  end
+  before { dashboard_stubs }
 
   describe "opensuse" do
     context "mysql backend" do

spec/server-redhat_spec.rb

@@ -1,12 +1,7 @@
 require_relative "spec_helper"
 
 describe "openstack-dashboard::server" do
-  before do
-    ::Chef::Recipe.any_instance.stub(:memcached_servers).
-      and_return ["hostA:port", "hostB:port"]
-    ::Chef::Recipe.any_instance.stub(:db_password).with("horizon").
-      and_return "test-pass"
-  end
+  before { dashboard_stubs }
 
   describe "redhat" do
     before do

spec/server_spec.rb

@@ -1,12 +1,7 @@
 require_relative "spec_helper"
 
 describe "openstack-dashboard::server" do
-  before do
-    ::Chef::Recipe.any_instance.stub(:memcached_servers).
-      and_return ["hostA:port", "hostB:port"]
-    ::Chef::Recipe.any_instance.stub(:db_password).with("horizon").
-      and_return "test-pass"
-  end
+  before { dashboard_stubs }
 
   describe "ubuntu" do
     before do

spec/spec_helper.rb

@@ -16,3 +16,10 @@ require "chefspec"
   :version => "12.3",
   :log_level => ::LOG_LEVEL
 }
+
+def dashboard_stubs
+  ::Chef::Recipe.any_instance.stub(:memcached_servers).
+    and_return ["hostA:port", "hostB:port"]
+  ::Chef::Recipe.any_instance.stub(:db_password).with("horizon").
+    and_return "test-pass"
+end