BUGFIX: topic specs were dependent on Time.now

which would fail when DST was around

app/models/topic.rb

@@ -658,11 +658,11 @@ class Topic < ActiveRecord::Base
   #  * A timestamp with timezone in JSON format. (e.g., "2013-11-26T21:00:00.000Z")
   #  * nil, to prevent the topic from automatically closing.
   def set_auto_close(arg, by_user=nil)
-    if arg.is_a?(String) and matches = /^([\d]{1,2}):([\d]{1,2})$/.match(arg.strip)
+    if arg.is_a?(String) && matches = /^([\d]{1,2}):([\d]{1,2})$/.match(arg.strip)
       now = Time.zone.now
       self.auto_close_at = Time.zone.local(now.year, now.month, now.day, matches[1].to_i, matches[2].to_i)
       self.auto_close_at += 1.day if self.auto_close_at < now
-    elsif arg.is_a?(String) and arg.include?('-') and timestamp = Time.zone.parse(arg)
+    elsif arg.is_a?(String) && arg.include?('-') && timestamp = Time.zone.parse(arg)
       self.auto_close_at = timestamp
       self.errors.add(:auto_close_at, :invalid) if timestamp < Time.zone.now
     else
@@ -672,7 +672,7 @@ class Topic < ActiveRecord::Base
 
     unless self.auto_close_at.nil?
       self.auto_close_started_at ||= Time.zone.now
-      if by_user and by_user.staff?
+      if by_user && by_user.staff?
         self.auto_close_user = by_user
       else
         self.auto_close_user ||= (self.user.staff? ? self.user : Discourse.system_user)

spec/models/topic_spec.rb

@@ -1089,46 +1089,47 @@ describe Topic do
     let(:topic)         { Fabricate.build(:topic) }
     let(:closing_topic) { Fabricate.build(:topic, auto_close_hours: 5) }
     let(:admin)         { Fabricate.build(:user, id: 123) }
+    let(:now)           { Time.zone.local(2013,11,20,8,0) }
 
     before { Discourse.stubs(:system_user).returns(admin) }
 
     it 'can take a number of hours as an integer' do
-      Timecop.freeze(Time.zone.now) do
+      Timecop.freeze(now) do
         topic.set_auto_close(72, admin)
         expect(topic.auto_close_at).to eq(3.days.from_now)
       end
     end
 
     it 'can take a number of hours as a string' do
-      Timecop.freeze(Time.zone.now) do
+      Timecop.freeze(now) do
         topic.set_auto_close('18', admin)
         expect(topic.auto_close_at).to eq(18.hours.from_now)
       end
     end
 
     it "can take a time later in the day" do
-      Timecop.freeze(Time.zone.local(2013,11,20,8,0)) do
+      Timecop.freeze(now) do
         topic.set_auto_close('13:00', admin)
         topic.auto_close_at.should == Time.zone.local(2013,11,20,13,0)
       end
     end
 
     it "can take a time for the next day" do
-      Timecop.freeze(Time.zone.local(2013,11,20,8,0)) do
+      Timecop.freeze(now) do
         topic.set_auto_close('5:00', admin)
         topic.auto_close_at.should == Time.zone.local(2013,11,21,5,0)
       end
     end
 
     it "can take a timestamp for a future time" do
-      Timecop.freeze(Time.zone.local(2013,11,20,8,0)) do
+      Timecop.freeze(now) do
         topic.set_auto_close('2013-11-22 5:00', admin)
         topic.auto_close_at.should == Time.zone.local(2013,11,22,5,0)
       end
     end
 
     it "sets a validation error when given a timestamp in the past" do
-      Timecop.freeze(Time.zone.local(2013,11,20,8,0)) do
+      Timecop.freeze(now) do
         topic.set_auto_close('2013-11-19 5:00', admin)
         topic.auto_close_at.should == Time.zone.local(2013,11,19,5,0)
         topic.errors[:auto_close_at].should be_present
@@ -1136,7 +1137,7 @@ describe Topic do
     end
 
     it "can take a timestamp with timezone" do
-      Timecop.freeze(Time.utc(2013,11,20,12,0)) do
+      Timecop.freeze(now) do
         topic.set_auto_close('2013-11-25T01:35:00-08:00', admin)
         topic.auto_close_at.should == Time.utc(2013,11,25,9,35)
       end