moving column attributes tests to their own class

1 files changed, 174 insertions, 0 deletions

diff --git a/activerecord/test/cases/migration/column_attributes_test.rb b/activerecord/test/cases/migration/column_attributes_test.rb
new file mode 100644
index 0000000000..e60fe876bb
--- /dev/null
+++ b/activerecord/test/cases/migration/column_attributes_test.rb
@@ -0,0 +1,174 @@
+require "cases/helper"
+
+module ActiveRecord
+  class Migration
+    class ColumnAttributesTest < ActiveRecord::TestCase
+      self.use_transactional_fixtures = false
+
+      class TestModel < ActiveRecord::Base
+        self.table_name = 'test_models'
+      end
+
+      attr_reader :connection, :table_name
+
+      def setup
+        super
+        @connection = ActiveRecord::Base.connection
+        connection.create_table :test_models do |t|
+          t.timestamps
+        end
+
+        TestModel.reset_column_information
+      end
+
+      def teardown
+        super
+        connection.drop_table :test_models rescue nil
+      end
+
+      # We specifically do a manual INSERT here, and then test only the SELECT
+      # functionality. This allows us to more easily catch INSERT being broken,
+      # but SELECT actually working fine.
+      def test_native_decimal_insert_manual_vs_automatic
+        correct_value = '0012345678901234567890.0123456789'.to_d
+
+        connection.add_column "test_models", "wealth", :decimal, :precision => '30', :scale => '10'
+
+        # Do a manual insertion
+        if current_adapter?(:OracleAdapter)
+          connection.execute "insert into test_models (id, wealth, created_at, updated_at) values (people_seq.nextval, 12345678901234567890.0123456789, sysdate, sysdate)"
+        elsif current_adapter?(:OpenBaseAdapter) || (current_adapter?(:MysqlAdapter) && Mysql.client_version < 50003) #before mysql 5.0.3 decimals stored as strings
+          connection.execute "insert into test_models (wealth, created_at, updated_at) values ('12345678901234567890.0123456789', 0, 0)"
+        elsif current_adapter?(:PostgreSQLAdapter)
+          connection.execute "insert into test_models (wealth, created_at, updated_at) values (12345678901234567890.0123456789, now(), now())"
+        else
+          connection.execute "insert into test_models (wealth, created_at, updated_at) values (12345678901234567890.0123456789, 0, 0)"
+        end
+
+        # SELECT
+        row = TestModel.find(:first)
+        assert_kind_of BigDecimal, row.wealth
+
+        # If this assert fails, that means the SELECT is broken!
+        unless current_adapter?(:SQLite3Adapter)
+          assert_equal correct_value, row.wealth
+        end
+
+        # Reset to old state
+        TestModel.delete_all
+
+        # Now use the Rails insertion
+        TestModel.create :wealth => BigDecimal.new("12345678901234567890.0123456789")
+
+        # SELECT
+        row = TestModel.find(:first)
+        assert_kind_of BigDecimal, row.wealth
+
+        # If these asserts fail, that means the INSERT (create function, or cast to SQL) is broken!
+        unless current_adapter?(:SQLite3Adapter)
+          assert_equal correct_value, row.wealth
+        end
+      end
+
+      def test_add_column_with_precision_and_scale
+        connection.add_column 'test_models', 'wealth', :decimal, :precision => 9, :scale => 7
+
+        wealth_column = TestModel.columns_hash['wealth']
+        assert_equal 9, wealth_column.precision
+        assert_equal 7, wealth_column.scale
+      end
+
+      def test_change_column_preserve_other_column_precision_and_scale
+        skip "only on sqlite3" unless current_adapter?(:SQLite3Adapter)
+
+        connection.add_column 'test_models', 'last_name', :string
+        connection.add_column 'test_models', 'wealth', :decimal, :precision => 9, :scale => 7
+
+        wealth_column = TestModel.columns_hash['wealth']
+        assert_equal 9, wealth_column.precision
+        assert_equal 7, wealth_column.scale
+
+        connection.change_column 'test_models', 'last_name', :string, :null => false
+        TestModel.reset_column_information
+
+        wealth_column = TestModel.columns_hash['wealth']
+        assert_equal 9, wealth_column.precision
+        assert_equal 7, wealth_column.scale
+      end
+
+      def test_native_types
+        add_column "test_models", "first_name", :string
+        add_column "test_models", "last_name", :string
+        add_column "test_models", "bio", :text
+        add_column "test_models", "age", :integer
+        add_column "test_models", "height", :float
+        add_column "test_models", "wealth", :decimal, :precision => '30', :scale => '10'
+        add_column "test_models", "birthday", :datetime
+        add_column "test_models", "favorite_day", :date
+        add_column "test_models", "moment_of_truth", :datetime
+        add_column "test_models", "male", :boolean
+
+        TestModel.create :first_name => 'bob', :last_name => 'bobsen',
+          :bio => "I was born ....", :age => 18, :height => 1.78,
+          :wealth => BigDecimal.new("12345678901234567890.0123456789"),
+          :birthday => 18.years.ago, :favorite_day => 10.days.ago,
+          :moment_of_truth => "1782-10-10 21:40:18", :male => true
+
+        bob = TestModel.find(:first)
+        assert_equal 'bob', bob.first_name
+        assert_equal 'bobsen', bob.last_name
+        assert_equal "I was born ....", bob.bio
+        assert_equal 18, bob.age
+
+        # Test for 30 significant digits (beyond the 16 of float), 10 of them
+        # after the decimal place.
+
+        unless current_adapter?(:SQLite3Adapter)
+          assert_equal BigDecimal.new("0012345678901234567890.0123456789"), bob.wealth
+        end
+
+        assert_equal true, bob.male?
+
+        assert_equal String, bob.first_name.class
+        assert_equal String, bob.last_name.class
+        assert_equal String, bob.bio.class
+        assert_equal Fixnum, bob.age.class
+        assert_equal Time, bob.birthday.class
+
+        if current_adapter?(:OracleAdapter, :SybaseAdapter)
+          # Sybase, and Oracle don't differentiate between date/time
+          assert_equal Time, bob.favorite_day.class
+        else
+          assert_equal Date, bob.favorite_day.class
+        end
+
+        # Oracle adapter stores Time or DateTime with timezone value already in _before_type_cast column
+        # therefore no timezone change is done afterwards when default timezone is changed
+        unless current_adapter?(:OracleAdapter)
+          # Test DateTime column and defaults, including timezone.
+          # FIXME: moment of truth may be Time on 64-bit platforms.
+          if bob.moment_of_truth.is_a?(DateTime)
+
+            with_env_tz 'US/Eastern' do
+              bob.reload
+              assert_equal DateTime.local_offset, bob.moment_of_truth.offset
+              assert_not_equal 0, bob.moment_of_truth.offset
+              assert_not_equal "Z", bob.moment_of_truth.zone
+              # US/Eastern is -5 hours from GMT
+              assert_equal Rational(-5, 24), bob.moment_of_truth.offset
+              assert_match(/\A-05:?00\Z/, bob.moment_of_truth.zone) #ruby 1.8.6 uses HH:MM, prior versions use HHMM
+              assert_equal DateTime::ITALY, bob.moment_of_truth.start
+            end
+          end
+        end
+
+        assert_instance_of TrueClass, bob.male?
+        assert_kind_of BigDecimal, bob.wealth
+      end
+
+      def add_column(*args)
+        connection.add_column(*args)
+      end
+    end
+  end
+end