* Reworked how post versioning works, now more closely resembles the 1.18 strategy

test/unit/post_version_test.rb

@@ -0,0 +1,52 @@
+require_relative '../test_helper'
+
+class PostVersionTest < ActiveSupport::TestCase
+  context "A post" do
+    setup do
+      @user = Factory.create(:user)
+      CurrentUser.user = @user
+      CurrentUser.ip_addr = "127.0.0.1"
+      MEMCACHE.flush_all
+    end
+    
+    teardown do
+      CurrentUser.user = nil
+      CurrentUser.ip_addr = nil
+    end
+    
+    context "that has been created" do
+      setup do
+        @parent = Factory.create(:post)
+        @post = Factory.create(:post, :tag_string => "aaa bbb ccc", :rating => "e", :parent => @parent, :source => "xyz")
+      end
+      
+      should "also create a version" do
+        assert_equal(1, @post.versions.size)
+        @version = @post.versions.last
+        assert_equal("aaa bbb ccc", @version.add_tags)
+        assert_equal("", @version.del_tags)
+        assert_equal(@post.rating, @version.rating)
+        assert_equal(@post.parent_id, @version.parent_id)
+        assert_equal(@post.source, @version.source)
+      end
+    end
+    
+    context "that has been updated" do
+      setup do
+        @parent = Factory.create(:post)
+        @post = Factory.create(:post, :tag_string => "aaa bbb ccc", :rating => "q", :source => "xyz")
+        @post.update_attributes(:tag_string => "bbb ccc xxx", :source => "")
+      end
+      
+      should "also create a version" do
+        assert_equal(2, @post.versions.size)
+        @version = @post.versions.last
+        assert_equal("xxx", @version.add_tags)
+        assert_equal("aaa", @version.del_tags)
+        assert_nil(@version.rating)
+        assert_equal("", @version.source)
+        assert_nil(@version.parent_id)
+      end
+    end
+  end
+end