require "cases/migration/helper"
module ActiveRecord
class Migration
class ColumnAttributesTest < ActiveRecord::TestCase
include ActiveRecord::Migration::TestHelper
self.use_transactional_fixtures = false
def test_add_column_newline_default
string = "foo\nbar"
add_column 'test_models', 'command', :string, :default => string
TestModel.reset_column_information
assert_equal string, TestModel.new.command
end
def test_add_remove_single_field_using_string_arguments
assert_no_column TestModel, :last_name
add_column 'test_models', 'last_name', :string
assert_column TestModel, :last_name
remove_column 'test_models', 'last_name'
assert_no_column TestModel, :last_name
end
def test_add_remove_single_field_using_symbol_arguments
assert_no_column TestModel, :last_name
add_column :test_models, :last_name, :string
assert_column TestModel, :last_name
remove_column :test_models, :last_name
assert_no_column TestModel, :last_name
end
def test_add_column_without_limit
# TODO: limit: nil should work with all adapters.
skip "MySQL wrongly enforces a limit of 255" if current_adapter?(:MysqlAdapter, :Mysql2Adapter)
add_column :test_models, :description, :string, limit: nil
TestModel.reset_column_information
assert_nil TestModel.columns_hash["description"].limit
end
if current_adapter?(:MysqlAdapter, :Mysql2Adapter)
def test_unabstracted_database_dependent_types
add_column :test_models, :intelligence_quotient, :tinyint
TestModel.reset_column_information
assert_match(/tinyint/, TestModel.columns_hash['intelligence_quotient'].sql_type)
end
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) values (people_seq.nextval, 12345678901234567890.0123456789)"
elsif current_adapter?(:MysqlAdapter) && Mysql.client_version < 50003 #before MySQL 5.0.3 decimals stored as strings
connection.execute "insert into test_models (wealth) values ('12345678901234567890.0123456789')"
elsif current_adapter?(:PostgreSQLAdapter)
connection.execute "insert into test_models (wealth) values (12345678901234567890.0123456789)"
else
connection.execute "insert into test_models (wealth) values (12345678901234567890.0123456789)"
end
# SELECT
row = TestModel.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.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
if current_adapter?(:SQLite3Adapter)
def test_change_column_preserve_other_column_precision_and_scale
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
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.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)
# Oracle doesn't differentiate between date/time
assert_equal Time, bob.favorite_day.class
else
assert_equal Date, bob.favorite_day.class
end
assert_instance_of TrueClass, bob.male?
assert_kind_of BigDecimal, bob.wealth
end
if current_adapter?(:MysqlAdapter, :Mysql2Adapter, :PostgreSQLAdapter)
def test_out_of_range_limit_should_raise
assert_raise(ActiveRecordError) { add_column :test_models, :integer_too_big, :integer, :limit => 10 }
unless current_adapter?(:PostgreSQLAdapter)
assert_raise(ActiveRecordError) { add_column :test_models, :text_too_big, :integer, :limit => 0xfffffffff }
end
end
end
end
end
end
