moving more column renaming tests

activerecord/test/cases/migration/rename_column_test.rb

@@ -111,6 +111,81 @@ module ActiveRecord
         change_column "test_models", "updated_at", :datetime, :null => false
         change_column "test_models", "updated_at", :datetime, :null => true
       end
+
+      def test_change_column_nullability
+        add_column "test_models", "funny", :boolean
+        assert TestModel.columns_hash["funny"].null, "Column 'funny' must initially allow nulls"
+
+        change_column "test_models", "funny", :boolean, :null => false, :default => true
+
+        TestModel.reset_column_information
+        refute TestModel.columns_hash["funny"].null, "Column 'funny' must *not* allow nulls at this point"
+
+        change_column "test_models", "funny", :boolean, :null => true
+        TestModel.reset_column_information
+        assert TestModel.columns_hash["funny"].null, "Column 'funny' must allow nulls again at this point"
+      end
+
+      def test_change_column
+        add_column 'test_models', 'age', :integer
+        add_column 'test_models', 'approved', :boolean, :default => true
+
+        label = "test_change_column Columns"
+        old_columns = connection.columns(TestModel.table_name, label)
+
+        assert old_columns.find { |c| c.name == 'age' && c.type == :integer }
+
+        change_column "test_models", "age", :string
+
+        new_columns = connection.columns(TestModel.table_name, label)
+
+        refute new_columns.find { |c| c.name == 'age' and c.type == :integer }
+        assert new_columns.find { |c| c.name == 'age' and c.type == :string }
+
+        old_columns = connection.columns(TestModel.table_name, label)
+        assert old_columns.find { |c|
+          c.name == 'approved' && c.type == :boolean && c.default == true
+        }
+
+        change_column :test_models, :approved, :boolean, :default => false
+        new_columns = connection.columns(TestModel.table_name, label)
+
+        refute new_columns.find { |c| c.name == 'approved' and c.type == :boolean and c.default == true }
+        assert new_columns.find { |c| c.name == 'approved' and c.type == :boolean and c.default == false }
+        change_column :test_models, :approved, :boolean, :default => true
+      end
+
+      def test_change_column_with_nil_default
+        add_column "test_models", "contributor", :boolean, :default => true
+        assert TestModel.new.contributor?
+
+        change_column "test_models", "contributor", :boolean, :default => nil
+        TestModel.reset_column_information
+        refute TestModel.new.contributor?
+        assert_nil TestModel.new.contributor
+      end
+
+      def test_change_column_with_new_default
+        add_column "test_models", "administrator", :boolean, :default => true
+        assert TestModel.new.administrator?
+
+        change_column "test_models", "administrator", :boolean, :default => false
+        TestModel.reset_column_information
+        refute TestModel.new.administrator?
+      end
+
+      def test_change_column_default
+        add_column "test_models", "first_name", :string
+        connection.change_column_default "test_models", "first_name", "Tester"
+
+        assert_equal "Tester", TestModel.new.first_name
+      end
+
+      def test_change_column_default_to_null
+        add_column "test_models", "first_name", :string
+        connection.change_column_default "test_models", "first_name", nil
+        assert_nil TestModel.new.first_name
+      end
     end
   end
 end

activerecord/test/cases/migration_test.rb

@@ -142,19 +142,6 @@ class MigrationTest < ActiveRecord::TestCase
     end
   end
 
-  def test_change_column_nullability
-    Person.delete_all
-    Person.connection.add_column "people", "funny", :boolean
-    Person.reset_column_information
-    assert Person.columns_hash["funny"].null, "Column 'funny' must initially allow nulls"
-    Person.connection.change_column "people", "funny", :boolean, :null => false, :default => true
-    Person.reset_column_information
-    assert !Person.columns_hash["funny"].null, "Column 'funny' must *not* allow nulls at this point"
-    Person.connection.change_column "people", "funny", :boolean, :null => true
-    Person.reset_column_information
-    assert Person.columns_hash["funny"].null, "Column 'funny' must allow nulls again at this point"
-  end
-
   def test_rename_table_with_an_index
     begin
       ActiveRecord::Base.connection.create_table :octopuses do |t|
@@ -178,64 +165,6 @@ class MigrationTest < ActiveRecord::TestCase
     end
   end
 
-  def test_change_column
-    Person.connection.add_column 'people', 'age', :integer
-    label = "test_change_column Columns"
-    old_columns = Person.connection.columns(Person.table_name, label)
-    assert old_columns.find { |c| c.name == 'age' and c.type == :integer }
-
-    assert_nothing_raised { Person.connection.change_column "people", "age", :string }
-
-    new_columns = Person.connection.columns(Person.table_name, label)
-    assert_nil new_columns.find { |c| c.name == 'age' and c.type == :integer }
-    assert new_columns.find { |c| c.name == 'age' and c.type == :string }
-
-    old_columns = Topic.connection.columns(Topic.table_name, label)
-    assert old_columns.find { |c| c.name == 'approved' and c.type == :boolean and c.default == true }
-    assert_nothing_raised { Topic.connection.change_column :topics, :approved, :boolean, :default => false }
-    new_columns = Topic.connection.columns(Topic.table_name, label)
-    assert_nil new_columns.find { |c| c.name == 'approved' and c.type == :boolean and c.default == true }
-    assert new_columns.find { |c| c.name == 'approved' and c.type == :boolean and c.default == false }
-    assert_nothing_raised { Topic.connection.change_column :topics, :approved, :boolean, :default => true }
-  end
-
-  def test_change_column_with_nil_default
-    Person.connection.add_column "people", "contributor", :boolean, :default => true
-    Person.reset_column_information
-    assert Person.new.contributor?
-
-    assert_nothing_raised { Person.connection.change_column "people", "contributor", :boolean, :default => nil }
-    Person.reset_column_information
-    assert !Person.new.contributor?
-    assert_nil Person.new.contributor
-  ensure
-    Person.connection.remove_column("people", "contributor") rescue nil
-  end
-
-  def test_change_column_with_new_default
-    Person.connection.add_column "people", "administrator", :boolean, :default => true
-    Person.reset_column_information
-    assert Person.new.administrator?
-
-    assert_nothing_raised { Person.connection.change_column "people", "administrator", :boolean, :default => false }
-    Person.reset_column_information
-    assert !Person.new.administrator?
-  ensure
-    Person.connection.remove_column("people", "administrator") rescue nil
-  end
-
-  def test_change_column_default
-    Person.connection.change_column_default "people", "first_name", "Tester"
-    Person.reset_column_information
-    assert_equal "Tester", Person.new.first_name
-  end
-
-  def test_change_column_default_to_null
-    Person.connection.change_column_default "people", "first_name", nil
-    Person.reset_column_information
-    assert_nil Person.new.first_name
-  end
-
   def test_add_table
     assert !Reminder.table_exists?