Add tests for the new object and fix a bug

Each of the individual query chunks has their own test, in addition to a
test for the full combination of parameters that could influence a
query.

There is also a bugfix for the tag query in here, since I want, as much
as possible, to have passing tests on every commit.

test/fixtures/projects.yml

@@ -56,3 +56,13 @@ attendrailsconf:
   user_id: 2
   created_at: <%= today %>
   updated_at: <%= today %>
+
+attendgophercon:
+  id: 5
+  name: Attend Gophercon
+  description: 'Because those little gopher drawing are cute'
+  position: 2
+  state: 'active'
+  user_id: 2
+  created_at: <%= today %>
+  updated_at: <%= today %>

test/fixtures/taggings.yml

@@ -22,4 +22,16 @@ foo2:
   id: 4
   tag_id: 1
   taggable_id: 3 # Buy milk - completed
-  taggable_type: Todo
+  taggable_type: Todo
+
+bar1:
+  id: 5
+  tag_id: 2
+  taggable_id: 16
+  taggable_type: Todo
+
+bar2:
+  tag_id: 2
+  taggable_id: 20
+  taggable_type: Todo
+

test/fixtures/todos.yml

@@ -4,10 +4,17 @@
 # rails does automatically in models or controllers! Convert to utc manually!
 
 <%
+def yesterday
+  Time.zone.now.utc.beginning_of_day - 1.day
+end
 def today
   Time.zone.now.utc.beginning_of_day.to_s(:db)
 end
 
+def tomorrow
+  (Time.zone.now.utc.beginning_of_day + 1.day).to_s(:db)
+end
+
 def next_week
   1.week.from_now.utc.beginning_of_day.to_s(:db)
 end
@@ -255,3 +262,29 @@ email_broker:
   description: Ask about better stocks
   notes: ~
   state: pending
+
+package_delivered:
+  id: 20
+  context_id: 11
+  project_id: 5
+  description: Package delivery date
+  notes: ~
+  state: active
+  created_at: <%= two_weeks_ago %>
+  due: <%= today %>
+  completed_at: ~
+  show_from: ~
+  user_id: 2
+
+assemble_furniture:
+  id: 21
+  context_id: 11
+  project_id: 5
+  description: Put together the furniture we bought
+  notes: ~
+  state: completed
+  created_at: <%= two_weeks_ago %>
+  due: <%= today %>
+  completed_at: <%= yesterday %>
+  show_from: ~
+  user_id: 2