diff options
Diffstat (limited to 'activerecord/test/cases')
-rw-r--r-- | activerecord/test/cases/migration_test.rb | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/activerecord/test/cases/migration_test.rb b/activerecord/test/cases/migration_test.rb index f9a2d9c47c..7ecf755ef8 100644 --- a/activerecord/test/cases/migration_test.rb +++ b/activerecord/test/cases/migration_test.rb @@ -703,6 +703,55 @@ if ActiveRecord::Base.connection.supports_migrations? Person.connection.drop_table :testings rescue nil end + def test_keeping_default_and_notnull_constaint_on_change + Person.connection.create_table :testings do |t| + t.column :title, :string + end + person_klass = Class.new(Person) + person_klass.set_table_name 'testings' + + person_klass.connection.add_column "testings", "wealth", :integer, :null => false, :default => 99 + person_klass.reset_column_information + assert_equal 99, person_klass.columns_hash["wealth"].default + assert_equal false, person_klass.columns_hash["wealth"].null + assert_nothing_raised {person_klass.connection.execute("insert into testings (title) values ('tester')")} + + # change column default to see that column doesn't lose its not null definition + person_klass.connection.change_column_default "testings", "wealth", 100 + person_klass.reset_column_information + assert_equal 100, person_klass.columns_hash["wealth"].default + assert_equal false, person_klass.columns_hash["wealth"].null + + # rename column to see that column doesn't lose its not null and/or default definition + person_klass.connection.rename_column "testings", "wealth", "money" + person_klass.reset_column_information + assert_nil person_klass.columns_hash["wealth"] + assert_equal 100, person_klass.columns_hash["money"].default + assert_equal false, person_klass.columns_hash["money"].null + + # change column + person_klass.connection.change_column "testings", "money", :integer, :null => false, :default => 1000 + person_klass.reset_column_information + assert_equal 1000, person_klass.columns_hash["money"].default + assert_equal false, person_klass.columns_hash["money"].null + + # change column, make it nullable and clear default + person_klass.connection.change_column "testings", "money", :integer, :null => true, :default => nil + person_klass.reset_column_information + assert_nil person_klass.columns_hash["money"].default + assert_equal true, person_klass.columns_hash["money"].null + + # change_column_null, make it not nullable and set null values to a default value + person_klass.connection.execute('UPDATE testings SET money = NULL') + person_klass.connection.change_column_null "testings", "money", false, 2000 + person_klass.reset_column_information + assert_nil person_klass.columns_hash["money"].default + assert_equal false, person_klass.columns_hash["money"].null + assert_equal [2000], Person.connection.select_values("SELECT money FROM testings").map { |s| s.to_i }.sort + ensure + Person.connection.drop_table :testings rescue nil + end + def test_change_column_default_to_null Person.connection.change_column_default "people", "first_name", nil Person.reset_column_information |