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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
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