Cleaned up TopicUserSpec, introduces clearing of pinned topics

spec/components/pinned_check_spec.rb

@@ -0,0 +1,58 @@
+require 'pinned_check'
+
+describe PinnedCheck do
+
+  #let(:topic) { Fabricate.build(:topic) }
+
+  let(:pinned_at) { 12.hours.ago }
+  let(:unpinned_topic) { Fabricate.build(:topic) }
+  let(:pinned_topic) { Fabricate.build(:topic, pinned_at: pinned_at) }
+
+  context "without a topic_user record (either anonymous or never been in the topic)" do
+
+    it "returns false if the topic is not pinned" do
+      PinnedCheck.new(unpinned_topic).should_not be_pinned
+    end
+
+    it "returns true if the topic is pinned" do
+      PinnedCheck.new(unpinned_topic).should_not be_pinned
+    end
+
+  end
+
+  context "with a topic_user record" do
+    let(:user) { Fabricate.build(:user) }
+    let(:unpinned_topic_user) { Fabricate.build(:topic_user, user: user, topic: unpinned_topic) }
+
+    describe "unpinned topic" do
+      let(:topic_user) { TopicUser.new(topic: unpinned_topic, user: user) }
+
+      it "returns false" do
+        PinnedCheck.new(unpinned_topic, topic_user).should_not be_pinned
+      end
+
+    end
+
+    describe "pinned topic" do
+      let(:topic_user) { TopicUser.new(topic: pinned_topic, user: user) }
+
+      it "is pinned if the topic_user's cleared_pinned_at is blank" do
+        PinnedCheck.new(pinned_topic, topic_user).should be_pinned
+      end
+
+      it "is not pinned if the topic_user's cleared_pinned_at is later than when it was pinned_at" do
+        topic_user.cleared_pinned_at = (pinned_at + 1.hour)
+        PinnedCheck.new(pinned_topic, topic_user).should_not be_pinned
+      end
+
+      it "is pinned if the topic_user's cleared_pinned_at is earlier than when it was pinned_at" do
+        topic_user.cleared_pinned_at = (pinned_at - 3.hours)
+        PinnedCheck.new(pinned_topic, topic_user).should be_pinned
+      end
+    end
+
+
+  end
+
+end
+