Add specs for topic create with auto_close_time. Just ignore auto_close_time from users who are not authorized to use it instead of raising an error.

spec/components/topic_creator_spec.rb

@@ -0,0 +1,47 @@
+require 'spec_helper'
+
+describe TopicCreator do
+
+  let(:user)      { Fabricate(:user) }
+  let(:moderator) { Fabricate(:moderator) }
+  let(:admin)     { Fabricate(:admin) }
+
+  let(:valid_attrs) { Fabricate.attributes_for(:topic) }
+
+  describe '#create' do
+    context 'success cases' do
+      before do
+        TopicCreator.any_instance.expects(:save_topic).returns(true)
+        TopicCreator.any_instance.expects(:watch_topic).returns(true)
+        SiteSetting.stubs(:allow_duplicate_topic_titles?).returns(true)
+      end
+
+      it "should be possible for an admin to create a topic" do
+        TopicCreator.create(admin, Guardian.new(admin), valid_attrs).should be_valid
+      end
+
+      it "should be possible for a moderator to create a topic" do
+        TopicCreator.create(moderator, Guardian.new(moderator), valid_attrs).should be_valid
+      end
+
+      context 'regular user' do
+        before { SiteSetting.stubs(:min_trust_to_create_topic).returns(TrustLevel.levels[:newuser]) }
+
+        it "should be possible for a regular user to create a topic" do
+          TopicCreator.create(user, Guardian.new(user), valid_attrs).should be_valid
+        end
+
+        it "should be possible for a regular user to create a topic with blank auto_close_time" do
+          TopicCreator.create(user, Guardian.new(user), valid_attrs.merge(auto_close_time: '')).should be_valid
+        end
+
+        it "ignores auto_close_time without raising an error" do
+          topic = TopicCreator.create(user, Guardian.new(user), valid_attrs.merge(auto_close_time: '24'))
+          topic.should be_valid
+          topic.auto_close_at.should be_nil
+        end
+      end
+    end
+  end
+
+end