Methods
T
Included Modules
Instance Public methods
test_add_column_newline_default()
# File activerecord/test/cases/migration/column_attributes_test.rb, line 10
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
test_add_column_with_precision_and_scale()
# File activerecord/test/cases/migration/column_attributes_test.rb, line 98
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
test_add_column_without_limit()
# File activerecord/test/cases/migration/column_attributes_test.rb, line 38
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
test_add_remove_single_field_using_string_arguments()
# File activerecord/test/cases/migration/column_attributes_test.rb, line 18
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
test_add_remove_single_field_using_symbol_arguments()
# File activerecord/test/cases/migration/column_attributes_test.rb, line 28
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
test_change_column_preserve_other_column_precision_and_scale()
# File activerecord/test/cases/migration/column_attributes_test.rb, line 107
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
test_native_decimal_insert_manual_vs_automatic()

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.

# File activerecord/test/cases/migration/column_attributes_test.rb, line 58
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!
  assert_equal correct_value, row.wealth
end
test_native_types()
# File activerecord/test/cases/migration/column_attributes_test.rb, line 125
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.

  assert_equal BigDecimal.new("0012345678901234567890.0123456789"), bob.wealth

  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
test_out_of_range_limit_should_raise()
# File activerecord/test/cases/migration/column_attributes_test.rb, line 175
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
test_unabstracted_database_dependent_types()
# File activerecord/test/cases/migration/column_attributes_test.rb, line 47
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