Updating tests around working with non-standard ActiveRecord models with non-sequence based primary keys.

* move into test/import_test so it runs across all supported adapters

[#60]

test/import_test.rb

@@ -19,6 +19,16 @@ describe "#import" do
     end
   end
 
+  describe "with non-default ActiveRecord models" do  
+    context "that have a non-standard primary key (that is no sequence)" do
+      it "should import models successfully" do
+        assert_difference "Widget.count", +3 do
+          Widget.import Build(3, :widgets)
+        end
+      end
+    end
+  end
+
   context "with :validation option" do
     let(:columns) { %w(title author_name) }
     let(:valid_values) { [[ "LDAP", "Jerry Carter"], ["Rails Recipes", "Chad Fowler"]] }

test/models/widget.rb

@@ -0,0 +1,3 @@
+class Widget < ActiveRecord::Base
+  self.primary_key = :w_id
+end

test/postgresql/import_test.rb

@@ -17,9 +17,4 @@ describe "#import" do
       assert_equal 1, result.num_inserts
     end
   end
-  
-  it "should import models whose primary key has no sequence if the primary key's value is specified" do
-    result = Widget.import Build(3, :widgets)
-    assert_equal 1, result.num_inserts
-  end
 end