more progress towards live unread and new counts, unread message implemented, still to implement delete messages

spec/models/topic_tracking_state_spec.rb

@@ -0,0 +1,61 @@
+require 'spec_helper'
+
+describe TopicTrackingState do
+
+  let(:user) do
+    Fabricate(:user)
+  end
+
+  let(:post) do
+    Fabricate(:post)
+  end
+
+  it "can correctly publish unread" do
+    # TODO setup stuff and look at messages
+    TopicTrackingState.publish_unread(post)
+  end
+
+  it "correctly gets the tracking state" do
+    report = TopicTrackingState.report([user.id])
+    report.length.should == 0
+
+    new_post = post
+
+    report = TopicTrackingState.report([user.id])
+
+    report.length.should == 1
+    row = report[0]
+
+    row.topic_id.should == post.topic_id
+    row.highest_post_number.should == 1
+    row.last_read_post_number.should be_nil
+    row.user_id.should == user.id
+
+    # lets not leak out random users
+    TopicTrackingState.report([post.user_id]).should be_empty
+
+    # lets not return anything if we scope on non-existing topic
+    TopicTrackingState.report([user.id], post.topic_id + 1).should be_empty
+
+    # when we reply the poster should have an unread row
+    Fabricate(:post, user: user, topic: post.topic)
+
+    report = TopicTrackingState.report([post.user_id, user.id])
+    report.length.should == 1
+
+    row = report[0]
+
+    row.topic_id.should == post.topic_id
+    row.highest_post_number.should == 2
+    row.last_read_post_number.should == 1
+    row.user_id.should == post.user_id
+
+    # when we have no permission to see a category, don't show its stats
+    category = Fabricate(:category, secure: true)
+
+    post.topic.category_id = category.id
+    post.topic.save
+
+    TopicTrackingState.report([post.user_id, user.id]).count.should == 0
+  end
+end