Vendor the external cookbooks

Knife-Zero doesn't include Berkshelf support, so vendoring everything in
the repo is convenient again

cookbooks/redis/spec/default_spec.rb

@@ -0,0 +1,19 @@
+require "spec_helper"
+
+describe "redis::default" do
+  let(:chef_run) do
+    ChefSpec::SoloRunner.new.converge(described_recipe)
+  end
+
+  it { expect(chef_run).to add_apt_repository("chris-lea-redis-server") }
+
+  # debian family setup
+  context "using debian platform" do
+    let(:chef_run) do
+      env_options = { platform: "debian", version: "6.0.5" }
+      ChefSpec::SoloRunner.new(env_options).converge(described_recipe)
+    end
+
+    it { expect(chef_run).to add_apt_repository("dotdeb") }
+  end
+end