require "cases/helper" require "cases/migration/helper" require 'bigdecimal/util' require 'models/person' require 'models/topic' require 'models/developer' require MIGRATIONS_ROOT + "/valid/2_we_need_reminders" require MIGRATIONS_ROOT + "/rename/1_we_need_things" require MIGRATIONS_ROOT + "/rename/2_rename_things" require MIGRATIONS_ROOT + "/decimal/1_give_me_big_numbers" class BigNumber < ActiveRecord::Base; end class Reminder < ActiveRecord::Base; end class Thing < ActiveRecord::Base; end class MigrationTest < ActiveRecord::TestCase self.use_transactional_fixtures = false fixtures :people def setup super %w(reminders people_reminders prefix_reminders_suffix).each do |table| Reminder.connection.drop_table(table) rescue nil end Reminder.reset_column_information ActiveRecord::Migration.verbose = true ActiveRecord::Migration.message_count = 0 end def teardown ActiveRecord::Base.connection.initialize_schema_migrations_table ActiveRecord::Base.connection.execute "DELETE FROM #{ActiveRecord::Migrator.schema_migrations_table_name}" %w(things awesome_things prefix_things_suffix p_awesome_things_s ).each do |table| Thing.connection.drop_table(table) rescue nil end Thing.reset_column_information %w(reminders people_reminders prefix_reminders_suffix).each do |table| Reminder.connection.drop_table(table) rescue nil end Reminder.reset_column_information %w(last_name key bio age height wealth birthday favorite_day moment_of_truth male administrator funny).each do |column| Person.connection.remove_column('people', column) rescue nil end Person.connection.remove_column("people", "first_name") rescue nil Person.connection.remove_column("people", "middle_name") rescue nil Person.connection.add_column("people", "first_name", :string, :limit => 40) Person.reset_column_information end def test_create_table_with_force_true_does_not_drop_nonexisting_table if Person.connection.table_exists?(:testings2) Person.connection.drop_table :testings2 end # using a copy as we need the drop_table method to # continue to work for the ensure block of the test temp_conn = Person.connection.dup assert_not_equal temp_conn, Person.connection temp_conn.create_table :testings2, :force => true do |t| t.column :foo, :string end ensure Person.connection.drop_table :testings2 rescue nil end def connection ActiveRecord::Base.connection end def test_migration_instance_has_connection migration = Class.new(ActiveRecord::Migration).new assert_equal connection, migration.connection end def test_method_missing_delegates_to_connection migration = Class.new(ActiveRecord::Migration) { def connection Class.new { def create_table; "hi mom!"; end }.new end }.new assert_equal "hi mom!", migration.method_missing(:create_table) end def test_add_table_with_decimals Person.connection.drop_table :big_numbers rescue nil assert !BigNumber.table_exists? GiveMeBigNumbers.up assert BigNumber.create( :bank_balance => 1586.43, :big_bank_balance => BigDecimal("1000234000567.95"), :world_population => 6000000000, :my_house_population => 3, :value_of_e => BigDecimal("2.7182818284590452353602875") ) b = BigNumber.first assert_not_nil b assert_not_nil b.bank_balance assert_not_nil b.big_bank_balance assert_not_nil b.world_population assert_not_nil b.my_house_population assert_not_nil b.value_of_e # TODO: set world_population >= 2**62 to cover 64-bit platforms and test # is_a?(Bignum) assert_kind_of Integer, b.world_population assert_equal 6000000000, b.world_population assert_kind_of Fixnum, b.my_house_population assert_equal 3, b.my_house_population assert_kind_of BigDecimal, b.bank_balance assert_equal BigDecimal("1586.43"), b.bank_balance assert_kind_of BigDecimal, b.big_bank_balance assert_equal BigDecimal("1000234000567.95"), b.big_bank_balance # This one is fun. The 'value_of_e' field is defined as 'DECIMAL' with # precision/scale explicitly left out. By the SQL standard, numbers # assigned to this field should be truncated but that's seldom respected. if current_adapter?(:PostgreSQLAdapter) # - PostgreSQL changes the SQL spec on columns declared simply as # "decimal" to something more useful: instead of being given a scale # of 0, they take on the compile-time limit for precision and scale, # so the following should succeed unless you have used really wacky # compilation options # - SQLite2 has the default behavior of preserving all data sent in, # so this happens there too assert_kind_of BigDecimal, b.value_of_e assert_equal BigDecimal("2.7182818284590452353602875"), b.value_of_e elsif current_adapter?(:SQLite3Adapter) # - SQLite3 stores a float, in violation of SQL assert_kind_of BigDecimal, b.value_of_e assert_in_delta BigDecimal("2.71828182845905"), b.value_of_e, 0.00000000000001 else # - SQL standard is an integer assert_kind_of Fixnum, b.value_of_e assert_equal 2, b.value_of_e end GiveMeBigNumbers.down assert_raise(ActiveRecord::StatementInvalid) { BigNumber.first } end def test_filtering_migrations assert !Person.column_methods_hash.include?(:last_name) assert !Reminder.table_exists? name_filter = lambda { |migration| migration.name == "ValidPeopleHaveLastNames" } ActiveRecord::Migrator.up(MIGRATIONS_ROOT + "/valid", &name_filter) Person.reset_column_information assert Person.column_methods_hash.include?(:last_name) assert_raise(ActiveRecord::StatementInvalid) { Reminder.first } ActiveRecord::Migrator.down(MIGRATIONS_ROOT + "/valid", &name_filter) Person.reset_column_information assert !Person.column_methods_hash.include?(:last_name) assert_raise(ActiveRecord::StatementInvalid) { Reminder.first } end class MockMigration < ActiveRecord::Migration attr_reader :went_up, :went_down def initialize @went_up = false @went_down = false end def up @went_up = true super end def down @went_down = true super end end def test_instance_based_migration_up migration = MockMigration.new assert !migration.went_up, 'have not gone up' assert !migration.went_down, 'have not gone down' migration.migrate :up assert migration.went_up, 'have gone up' assert !migration.went_down, 'have not gone down' end def test_instance_based_migration_down migration = MockMigration.new assert !migration.went_up, 'have not gone up' assert !migration.went_down, 'have not gone down' migration.migrate :down assert !migration.went_up, 'have gone up' assert migration.went_down, 'have not gone down' end def test_migrator_one_up_with_exception_and_rollback unless ActiveRecord::Base.connection.supports_ddl_transactions? skip "not supported on #{ActiveRecord::Base.connection.class}" end refute Person.column_methods_hash.include?(:last_name) migration = Struct.new(:name, :version) { def migrate(x); raise 'Something broke'; end }.new('zomg', 100) migrator = ActiveRecord::Migrator.new(:up, [migration], 100) e = assert_raise(StandardError) { migrator.migrate } assert_equal "An error has occurred, this and all later migrations canceled:\n\nSomething broke", e.message Person.reset_column_information refute Person.column_methods_hash.include?(:last_name) end def test_schema_migrations_table_name ActiveRecord::Base.table_name_prefix = "prefix_" ActiveRecord::Base.table_name_suffix = "_suffix" Reminder.reset_table_name assert_equal "prefix_schema_migrations_suffix", ActiveRecord::Migrator.schema_migrations_table_name ActiveRecord::Base.table_name_prefix = "" ActiveRecord::Base.table_name_suffix = "" Reminder.reset_table_name assert_equal "schema_migrations", ActiveRecord::Migrator.schema_migrations_table_name ensure ActiveRecord::Base.table_name_prefix = "" ActiveRecord::Base.table_name_suffix = "" end def test_proper_table_name assert_equal "table", ActiveRecord::Migrator.proper_table_name('table') assert_equal "table", ActiveRecord::Migrator.proper_table_name(:table) assert_equal "reminders", ActiveRecord::Migrator.proper_table_name(Reminder) Reminder.reset_table_name assert_equal Reminder.table_name, ActiveRecord::Migrator.proper_table_name(Reminder) # Use the model's own prefix/suffix if a model is given ActiveRecord::Base.table_name_prefix = "ARprefix_" ActiveRecord::Base.table_name_suffix = "_ARsuffix" Reminder.table_name_prefix = 'prefix_' Reminder.table_name_suffix = '_suffix' Reminder.reset_table_name assert_equal "prefix_reminders_suffix", ActiveRecord::Migrator.proper_table_name(Reminder) Reminder.table_name_prefix = '' Reminder.table_name_suffix = '' Reminder.reset_table_name # Use AR::Base's prefix/suffix if string or symbol is given ActiveRecord::Base.table_name_prefix = "prefix_" ActiveRecord::Base.table_name_suffix = "_suffix" Reminder.reset_table_name assert_equal "prefix_table_suffix", ActiveRecord::Migrator.proper_table_name('table') assert_equal "prefix_table_suffix", ActiveRecord::Migrator.proper_table_name(:table) ActiveRecord::Base.table_name_prefix = "" ActiveRecord::Base.table_name_suffix = "" Reminder.reset_table_name end def test_rename_table_with_prefix_and_suffix assert !Thing.table_exists? ActiveRecord::Base.table_name_prefix = 'p_' ActiveRecord::Base.table_name_suffix = '_s' Thing.reset_table_name Thing.reset_sequence_name WeNeedThings.up assert Thing.create("content" => "hello world") assert_equal "hello world", Thing.first.content RenameThings.up Thing.table_name = "p_awesome_things_s" assert_equal "hello world", Thing.first.content ensure ActiveRecord::Base.table_name_prefix = '' ActiveRecord::Base.table_name_suffix = '' Thing.reset_table_name Thing.reset_sequence_name end def test_add_drop_table_with_prefix_and_suffix assert !Reminder.table_exists? ActiveRecord::Base.table_name_prefix = 'prefix_' ActiveRecord::Base.table_name_suffix = '_suffix' Reminder.reset_table_name Reminder.reset_sequence_name WeNeedReminders.up assert Reminder.create("content" => "hello world", "remind_at" => Time.now) assert_equal "hello world", Reminder.first.content WeNeedReminders.down assert_raise(ActiveRecord::StatementInvalid) { Reminder.first } ensure ActiveRecord::Base.table_name_prefix = '' ActiveRecord::Base.table_name_suffix = '' Reminder.reset_table_name Reminder.reset_sequence_name end def test_create_table_with_binary_column Person.connection.drop_table :binary_testings rescue nil assert_nothing_raised { Person.connection.create_table :binary_testings do |t| t.column "data", :binary, :null => false end } columns = Person.connection.columns(:binary_testings) data_column = columns.detect { |c| c.name == "data" } if current_adapter?(:MysqlAdapter) or current_adapter?(:Mysql2Adapter) assert_equal '', data_column.default else assert_nil data_column.default end Person.connection.drop_table :binary_testings rescue nil end def test_create_table_with_custom_sequence_name skip "not supported" unless current_adapter? :OracleAdapter # table name is 29 chars, the standard sequence name will # be 33 chars and should be shortened assert_nothing_raised do begin Person.connection.create_table :table_with_name_thats_just_ok do |t| t.column :foo, :string, :null => false end ensure Person.connection.drop_table :table_with_name_thats_just_ok rescue nil end end # should be all good w/ a custom sequence name assert_nothing_raised do begin Person.connection.create_table :table_with_name_thats_just_ok, :sequence_name => 'suitably_short_seq' do |t| t.column :foo, :string, :null => false end Person.connection.execute("select suitably_short_seq.nextval from dual") ensure Person.connection.drop_table :table_with_name_thats_just_ok, :sequence_name => 'suitably_short_seq' rescue nil end end # confirm the custom sequence got dropped assert_raise(ActiveRecord::StatementInvalid) do Person.connection.execute("select suitably_short_seq.nextval from dual") end end def test_out_of_range_limit_should_raise skip("MySQL and PostgreSQL only") unless current_adapter?(:MysqlAdapter, :Mysql2Adapter, :PostgreSQLAdapter) Person.connection.drop_table :test_limits rescue nil assert_raise(ActiveRecord::ActiveRecordError, "integer limit didn't raise") do Person.connection.create_table :test_integer_limits, :force => true do |t| t.column :bigone, :integer, :limit => 10 end end unless current_adapter?(:PostgreSQLAdapter) assert_raise(ActiveRecord::ActiveRecordError, "text limit didn't raise") do Person.connection.create_table :test_text_limits, :force => true do |t| t.column :bigtext, :text, :limit => 0xfffffffff end end end Person.connection.drop_table :test_limits rescue nil end protected def with_env_tz(new_tz = 'US/Eastern') old_tz, ENV['TZ'] = ENV['TZ'], new_tz yield ensure old_tz ? ENV['TZ'] = old_tz : ENV.delete('TZ') end end class ReservedWordsMigrationTest < ActiveRecord::TestCase def test_drop_index_from_table_named_values connection = Person.connection connection.create_table :values, :force => true do |t| t.integer :value end assert_nothing_raised do connection.add_index :values, :value connection.remove_index :values, :column => :value end connection.drop_table :values rescue nil end end if ActiveRecord::Base.connection.supports_bulk_alter? class BulkAlterTableMigrationsTest < ActiveRecord::TestCase def setup @connection = Person.connection @connection.create_table(:delete_me, :force => true) {|t| } end def teardown Person.connection.drop_table(:delete_me) rescue nil end def test_adding_multiple_columns assert_queries(1) do with_bulk_change_table do |t| t.column :name, :string t.string :qualification, :experience t.integer :age, :default => 0 t.date :birthdate t.timestamps end end assert_equal 8, columns.size [:name, :qualification, :experience].each {|s| assert_equal :string, column(s).type } assert_equal 0, column(:age).default end def test_removing_columns with_bulk_change_table do |t| t.string :qualification, :experience end [:qualification, :experience].each {|c| assert column(c) } assert_queries(1) do with_bulk_change_table do |t| t.remove :qualification, :experience t.string :qualification_experience end end [:qualification, :experience].each {|c| assert ! column(c) } assert column(:qualification_experience) end def test_adding_indexes with_bulk_change_table do |t| t.string :username t.string :name t.integer :age end # Adding an index fires a query every time to check if an index already exists or not assert_queries(3) do with_bulk_change_table do |t| t.index :username, :unique => true, :name => :awesome_username_index t.index [:name, :age] end end assert_equal 2, indexes.size name_age_index = index(:index_delete_me_on_name_and_age) assert_equal ['name', 'age'].sort, name_age_index.columns.sort assert ! name_age_index.unique assert index(:awesome_username_index).unique end def test_removing_index with_bulk_change_table do |t| t.string :name t.index :name end assert index(:index_delete_me_on_name) assert_queries(3) do with_bulk_change_table do |t| t.remove_index :name t.index :name, :name => :new_name_index, :unique => true end end assert ! index(:index_delete_me_on_name) new_name_index = index(:new_name_index) assert new_name_index.unique end def test_changing_columns with_bulk_change_table do |t| t.string :name t.date :birthdate end assert ! column(:name).default assert_equal :date, column(:birthdate).type # One query for columns (delete_me table) # One query for primary key (delete_me table) # One query to do the bulk change assert_queries(3) do with_bulk_change_table do |t| t.change :name, :string, :default => 'NONAME' t.change :birthdate, :datetime end end assert_equal 'NONAME', column(:name).default assert_equal :datetime, column(:birthdate).type end protected def with_bulk_change_table # Reset columns/indexes cache as we're changing the table @columns = @indexes = nil Person.connection.change_table(:delete_me, :bulk => true) do |t| yield t end end def column(name) columns.detect {|c| c.name == name.to_s } end def columns @columns ||= Person.connection.columns('delete_me') end def index(name) indexes.detect {|i| i.name == name.to_s } end def indexes @indexes ||= Person.connection.indexes('delete_me') end end # AlterTableMigrationsTest end class CopyMigrationsTest < ActiveRecord::TestCase def setup end def clear ActiveRecord::Base.timestamped_migrations = true to_delete = Dir[@migrations_path + "/*.rb"] - @existing_migrations File.delete(*to_delete) end def test_copying_migrations_without_timestamps ActiveRecord::Base.timestamped_migrations = false @migrations_path = MIGRATIONS_ROOT + "/valid" @existing_migrations = Dir[@migrations_path + "/*.rb"] copied = ActiveRecord::Migration.copy(@migrations_path, {:bukkits => MIGRATIONS_ROOT + "/to_copy"}) assert File.exists?(@migrations_path + "/4_people_have_hobbies.bukkits.rb") assert File.exists?(@migrations_path + "/5_people_have_descriptions.bukkits.rb") assert_equal [@migrations_path + "/4_people_have_hobbies.bukkits.rb", @migrations_path + "/5_people_have_descriptions.bukkits.rb"], copied.map(&:filename) expected = "# This migration comes from bukkits (originally 1)" assert_equal expected, IO.readlines(@migrations_path + "/4_people_have_hobbies.bukkits.rb")[0].chomp files_count = Dir[@migrations_path + "/*.rb"].length copied = ActiveRecord::Migration.copy(@migrations_path, {:bukkits => MIGRATIONS_ROOT + "/to_copy"}) assert_equal files_count, Dir[@migrations_path + "/*.rb"].length assert copied.empty? ensure clear end def test_copying_migrations_without_timestamps_from_2_sources ActiveRecord::Base.timestamped_migrations = false @migrations_path = MIGRATIONS_ROOT + "/valid" @existing_migrations = Dir[@migrations_path + "/*.rb"] sources = {} sources[:bukkits] = MIGRATIONS_ROOT + "/to_copy" sources[:omg] = MIGRATIONS_ROOT + "/to_copy2" ActiveRecord::Migration.copy(@migrations_path, sources) assert File.exists?(@migrations_path + "/4_people_have_hobbies.bukkits.rb") assert File.exists?(@migrations_path + "/5_people_have_descriptions.bukkits.rb") assert File.exists?(@migrations_path + "/6_create_articles.omg.rb") assert File.exists?(@migrations_path + "/7_create_comments.omg.rb") files_count = Dir[@migrations_path + "/*.rb"].length ActiveRecord::Migration.copy(@migrations_path, sources) assert_equal files_count, Dir[@migrations_path + "/*.rb"].length ensure clear end def test_copying_migrations_with_timestamps @migrations_path = MIGRATIONS_ROOT + "/valid_with_timestamps" @existing_migrations = Dir[@migrations_path + "/*.rb"] Time.travel_to(Time.utc(2010, 7, 26, 10, 10, 10)) do copied = ActiveRecord::Migration.copy(@migrations_path, {:bukkits => MIGRATIONS_ROOT + "/to_copy_with_timestamps"}) assert File.exists?(@migrations_path + "/20100726101010_people_have_hobbies.bukkits.rb") assert File.exists?(@migrations_path + "/20100726101011_people_have_descriptions.bukkits.rb") expected = [@migrations_path + "/20100726101010_people_have_hobbies.bukkits.rb", @migrations_path + "/20100726101011_people_have_descriptions.bukkits.rb"] assert_equal expected, copied.map(&:filename) files_count = Dir[@migrations_path + "/*.rb"].length copied = ActiveRecord::Migration.copy(@migrations_path, {:bukkits => MIGRATIONS_ROOT + "/to_copy_with_timestamps"}) assert_equal files_count, Dir[@migrations_path + "/*.rb"].length assert copied.empty? end ensure clear end def test_copying_migrations_with_timestamps_from_2_sources @migrations_path = MIGRATIONS_ROOT + "/valid_with_timestamps" @existing_migrations = Dir[@migrations_path + "/*.rb"] sources = {} sources[:bukkits] = MIGRATIONS_ROOT + "/to_copy_with_timestamps" sources[:omg] = MIGRATIONS_ROOT + "/to_copy_with_timestamps2" Time.travel_to(Time.utc(2010, 7, 26, 10, 10, 10)) do copied = ActiveRecord::Migration.copy(@migrations_path, sources) assert File.exists?(@migrations_path + "/20100726101010_people_have_hobbies.bukkits.rb") assert File.exists?(@migrations_path + "/20100726101011_people_have_descriptions.bukkits.rb") assert File.exists?(@migrations_path + "/20100726101012_create_articles.omg.rb") assert File.exists?(@migrations_path + "/20100726101013_create_comments.omg.rb") assert_equal 4, copied.length files_count = Dir[@migrations_path + "/*.rb"].length ActiveRecord::Migration.copy(@migrations_path, sources) assert_equal files_count, Dir[@migrations_path + "/*.rb"].length end ensure clear end def test_copying_migrations_with_timestamps_to_destination_with_timestamps_in_future @migrations_path = MIGRATIONS_ROOT + "/valid_with_timestamps" @existing_migrations = Dir[@migrations_path + "/*.rb"] Time.travel_to(Time.utc(2010, 2, 20, 10, 10, 10)) do ActiveRecord::Migration.copy(@migrations_path, {:bukkits => MIGRATIONS_ROOT + "/to_copy_with_timestamps"}) assert File.exists?(@migrations_path + "/20100301010102_people_have_hobbies.bukkits.rb") assert File.exists?(@migrations_path + "/20100301010103_people_have_descriptions.bukkits.rb") files_count = Dir[@migrations_path + "/*.rb"].length copied = ActiveRecord::Migration.copy(@migrations_path, {:bukkits => MIGRATIONS_ROOT + "/to_copy_with_timestamps"}) assert_equal files_count, Dir[@migrations_path + "/*.rb"].length assert copied.empty? end ensure clear end def test_skipping_migrations @migrations_path = MIGRATIONS_ROOT + "/valid_with_timestamps" @existing_migrations = Dir[@migrations_path + "/*.rb"] sources = {} sources[:bukkits] = MIGRATIONS_ROOT + "/to_copy_with_timestamps" sources[:omg] = MIGRATIONS_ROOT + "/to_copy_with_name_collision" skipped = [] on_skip = Proc.new { |name, migration| skipped << "#{name} #{migration.name}" } copied = ActiveRecord::Migration.copy(@migrations_path, sources, :on_skip => on_skip) assert_equal 2, copied.length assert_equal 1, skipped.length assert_equal ["omg PeopleHaveHobbies"], skipped ensure clear end def test_skip_is_not_called_if_migrations_are_from_the_same_plugin @migrations_path = MIGRATIONS_ROOT + "/valid_with_timestamps" @existing_migrations = Dir[@migrations_path + "/*.rb"] sources = {} sources[:bukkits] = MIGRATIONS_ROOT + "/to_copy_with_timestamps" skipped = [] on_skip = Proc.new { |name, migration| skipped << "#{name} #{migration.name}" } copied = ActiveRecord::Migration.copy(@migrations_path, sources, :on_skip => on_skip) ActiveRecord::Migration.copy(@migrations_path, sources, :on_skip => on_skip) assert_equal 2, copied.length assert_equal 0, skipped.length ensure clear end def test_copying_migrations_to_non_existing_directory @migrations_path = MIGRATIONS_ROOT + "/non_existing" @existing_migrations = [] Time.travel_to(Time.utc(2010, 7, 26, 10, 10, 10)) do copied = ActiveRecord::Migration.copy(@migrations_path, {:bukkits => MIGRATIONS_ROOT + "/to_copy_with_timestamps"}) assert File.exists?(@migrations_path + "/20100726101010_people_have_hobbies.bukkits.rb") assert File.exists?(@migrations_path + "/20100726101011_people_have_descriptions.bukkits.rb") assert_equal 2, copied.length end ensure clear Dir.delete(@migrations_path) end def test_copying_migrations_to_empty_directory @migrations_path = MIGRATIONS_ROOT + "/empty" @existing_migrations = [] Time.travel_to(Time.utc(2010, 7, 26, 10, 10, 10)) do copied = ActiveRecord::Migration.copy(@migrations_path, {:bukkits => MIGRATIONS_ROOT + "/to_copy_with_timestamps"}) assert File.exists?(@migrations_path + "/20100726101010_people_have_hobbies.bukkits.rb") assert File.exists?(@migrations_path + "/20100726101011_people_have_descriptions.bukkits.rb") assert_equal 2, copied.length end ensure clear end end