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require "cases/migration/helper"
module ActiveRecord
class Migration
class ColumnAttributesTest < ActiveRecord::TestCase
include ActiveRecord::Migration::TestHelper
self.use_transactional_tests = 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?(:Mysql2Adapter)
add_column :test_models, :description, :string, limit: nil
TestModel.reset_column_information
assert_nil TestModel.columns_hash["description"].limit
end
if current_adapter?(: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
unless current_adapter?(:SQLite3Adapter)
# 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)"
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!
assert_equal correct_value, row.wealth
# 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
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
unless current_adapter?(:SQLite3Adapter)
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_kind_of Integer, bob.age
assert_equal Time, bob.birthday.class
assert_equal Date, bob.favorite_day.class
assert_instance_of TrueClass, bob.male?
assert_kind_of BigDecimal, bob.wealth
end
end
if current_adapter?(: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, :text, limit: 0xfffffffff }
end
end
end
end
end
end
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