First stab at new user education - configurable messages that pop up on a user's first

few posts/topics.

spec/controllers/education_controller_spec.rb

@@ -0,0 +1,46 @@
+require 'spec_helper'
+
+describe EducationController do
+
+  it "requires you to be logged in" do
+    lambda { xhr :get, :show, id: 'topic' }.should raise_error(Discourse::NotLoggedIn)
+  end
+
+  context 'when logged in' do
+
+    let!(:user) { log_in(:user) }
+
+    it "returns 404 from a missing id" do
+      xhr :get, :show, id: 'made-up'
+      response.response_code.should == 404
+    end
+
+    it 'raises an error with a weird id' do
+      xhr :get, :show, id: '../some-path'
+      response.should_not be_success
+    end
+
+    context 'with a valid id' do
+      
+      let(:markdown_content) { "Education *markdown* content" }
+      let(:html_content) {"HTML Content"}
+
+      before do
+        MultisiteI18n.expects(:t).with("education.new-topic", anything).returns(markdown_content)
+        PrettyText.expects(:cook).with(markdown_content).returns(html_content)
+        xhr :get, :show, id: 'new-topic'
+      end
+
+      it "succeeds" do
+        response.should be_success
+      end
+
+      it "converts markdown into HTML" do
+        response.body.should == html_content
+      end
+
+    end
+
+  end
+
+end