Let inspect on AR classes work when the table doesn't exist. Closes #9194 [tarmo, nzkoz]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@7278 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activerecord/lib/active_record/base.rb

@@ -912,9 +912,11 @@ module ActiveRecord #:nodoc:
           super
         elsif abstract_class?
           "#{super}(abstract)"
-        else
+        elsif table_exists?
           attr_list = columns.map { |c| "#{c.name}: #{c.type}" } * ', '
           "#{super}(#{attr_list})"
+        else
+          "#{super}(Table doesn't exist)"
         end
       end
 

activerecord/test/base_test.rb

@@ -1696,6 +1696,10 @@ class BasicsTest < Test::Unit::TestCase
     assert_equal %(#<Topic id: 1>), Topic.find(:first, :select => 'id', :conditions => 'id = 1').inspect
     assert_equal %(#<Topic id: 1, title: "The First Topic">), Topic.find(:first, :select => 'id, title', :conditions => 'id = 1').inspect
   end
+  
+  def test_inspect_class_without_table
+    assert_equal "NonExistentTable(Table doesn't exist)", NonExistentTable.inspect
+  end
 
   def test_attribute_for_inspect
     t = topics(:first)