mirror of
https://github.com/rails/rails.git
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1162 lines
41 KiB
Ruby
1162 lines
41 KiB
Ruby
# frozen_string_literal: true
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require "cases/helper"
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require "cases/migration/helper"
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require "bigdecimal/util"
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require "concurrent/atomic/count_down_latch"
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require "models/person"
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require "models/topic"
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require "models/developer"
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require "models/computer"
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require MIGRATIONS_ROOT + "/valid/2_we_need_reminders"
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require MIGRATIONS_ROOT + "/rename/1_we_need_things"
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require MIGRATIONS_ROOT + "/rename/2_rename_things"
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require MIGRATIONS_ROOT + "/decimal/1_give_me_big_numbers"
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class BigNumber < ActiveRecord::Base
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unless current_adapter?(:PostgreSQLAdapter, :SQLite3Adapter)
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attribute :value_of_e, :integer
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end
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attribute :my_house_population, :integer
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end
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class Reminder < ActiveRecord::Base; end
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class Thing < ActiveRecord::Base; end
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class MigrationTest < ActiveRecord::TestCase
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self.use_transactional_tests = false
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fixtures :people
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def setup
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super
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%w(reminders people_reminders prefix_reminders_suffix p_things_s).each do |table|
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Reminder.connection.drop_table(table) rescue nil
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end
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Reminder.reset_column_information
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@verbose_was, ActiveRecord::Migration.verbose = ActiveRecord::Migration.verbose, false
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ActiveRecord::Base.connection.schema_cache.clear!
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end
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teardown do
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ActiveRecord::Base.table_name_prefix = ""
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ActiveRecord::Base.table_name_suffix = ""
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ActiveRecord::SchemaMigration.create_table
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ActiveRecord::SchemaMigration.delete_all
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%w(things awesome_things prefix_things_suffix p_awesome_things_s).each do |table|
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Thing.connection.drop_table(table) rescue nil
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end
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Thing.reset_column_information
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%w(reminders people_reminders prefix_reminders_suffix).each do |table|
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Reminder.connection.drop_table(table) rescue nil
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end
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Reminder.reset_table_name
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Reminder.reset_column_information
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%w(last_name key bio age height wealth birthday favorite_day
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moment_of_truth male administrator funny).each do |column|
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Person.connection.remove_column("people", column) rescue nil
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end
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Person.connection.remove_column("people", "first_name") rescue nil
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Person.connection.remove_column("people", "middle_name") rescue nil
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Person.connection.add_column("people", "first_name", :string)
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Person.reset_column_information
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ActiveRecord::Migration.verbose = @verbose_was
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end
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def test_migrator_migrations_path_is_deprecated
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assert_deprecated do
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ActiveRecord::Migrator.migrations_path = "/whatever"
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end
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ensure
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assert_deprecated do
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ActiveRecord::Migrator.migrations_path = "db/migrate"
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end
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end
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def test_migration_version_matches_component_version
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assert_equal ActiveRecord::VERSION::STRING.to_f, ActiveRecord::Migration.current_version
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end
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def test_migrator_versions
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migrations_path = MIGRATIONS_ROOT + "/valid"
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old_path = ActiveRecord::Migrator.migrations_paths
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migrator = ActiveRecord::MigrationContext.new(migrations_path)
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migrator.up
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assert_equal 3, migrator.current_version
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assert_equal false, migrator.needs_migration?
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migrator.down
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assert_equal 0, migrator.current_version
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assert_equal true, migrator.needs_migration?
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ActiveRecord::SchemaMigration.create!(version: 3)
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assert_equal true, migrator.needs_migration?
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ensure
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ActiveRecord::MigrationContext.new(old_path)
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end
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def test_migration_detection_without_schema_migration_table
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ActiveRecord::Base.connection.drop_table "schema_migrations", if_exists: true
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migrations_path = MIGRATIONS_ROOT + "/valid"
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old_path = ActiveRecord::Migrator.migrations_paths
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migrator = ActiveRecord::MigrationContext.new(migrations_path)
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assert_equal true, migrator.needs_migration?
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ensure
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ActiveRecord::MigrationContext.new(old_path)
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end
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def test_any_migrations
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old_path = ActiveRecord::Migrator.migrations_paths
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migrator = ActiveRecord::MigrationContext.new(MIGRATIONS_ROOT + "/valid")
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assert_predicate migrator, :any_migrations?
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migrator_empty = ActiveRecord::MigrationContext.new(MIGRATIONS_ROOT + "/empty")
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assert_not_predicate migrator_empty, :any_migrations?
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ensure
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ActiveRecord::MigrationContext.new(old_path)
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end
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def test_migration_version
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migrator = ActiveRecord::MigrationContext.new(MIGRATIONS_ROOT + "/version_check")
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assert_equal 0, migrator.current_version
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migrator.up(20131219224947)
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assert_equal 20131219224947, migrator.current_version
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end
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def test_create_table_with_force_true_does_not_drop_nonexisting_table
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# using a copy as we need the drop_table method to
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# continue to work for the ensure block of the test
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temp_conn = Person.connection.dup
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assert_not_equal temp_conn, Person.connection
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temp_conn.create_table :testings2, force: true do |t|
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t.column :foo, :string
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end
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ensure
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Person.connection.drop_table :testings2, if_exists: true
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end
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def test_migration_instance_has_connection
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migration = Class.new(ActiveRecord::Migration::Current).new
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assert_equal ActiveRecord::Base.connection, migration.connection
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end
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def test_method_missing_delegates_to_connection
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migration = Class.new(ActiveRecord::Migration::Current) {
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def connection
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Class.new {
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def create_table; "hi mom!"; end
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}.new
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end
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}.new
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assert_equal "hi mom!", migration.method_missing(:create_table)
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end
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def test_add_table_with_decimals
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Person.connection.drop_table :big_numbers rescue nil
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assert_not_predicate BigNumber, :table_exists?
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GiveMeBigNumbers.up
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BigNumber.reset_column_information
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assert BigNumber.create(
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bank_balance: 1586.43,
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big_bank_balance: BigDecimal("1000234000567.95"),
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world_population: 2**62,
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my_house_population: 3,
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value_of_e: BigDecimal("2.7182818284590452353602875")
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)
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b = BigNumber.first
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assert_not_nil b
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assert_not_nil b.bank_balance
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assert_not_nil b.big_bank_balance
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assert_not_nil b.world_population
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assert_not_nil b.my_house_population
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assert_not_nil b.value_of_e
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assert_kind_of Integer, b.world_population
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assert_equal 2**62, b.world_population
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assert_kind_of Integer, b.my_house_population
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assert_equal 3, b.my_house_population
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assert_kind_of BigDecimal, b.bank_balance
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assert_equal BigDecimal("1586.43"), b.bank_balance
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assert_kind_of BigDecimal, b.big_bank_balance
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assert_equal BigDecimal("1000234000567.95"), b.big_bank_balance
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# This one is fun. The 'value_of_e' field is defined as 'DECIMAL' with
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# precision/scale explicitly left out. By the SQL standard, numbers
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# assigned to this field should be truncated but that's seldom respected.
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if current_adapter?(:PostgreSQLAdapter)
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# - PostgreSQL changes the SQL spec on columns declared simply as
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# "decimal" to something more useful: instead of being given a scale
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# of 0, they take on the compile-time limit for precision and scale,
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# so the following should succeed unless you have used really wacky
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# compilation options
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assert_kind_of BigDecimal, b.value_of_e
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assert_equal BigDecimal("2.7182818284590452353602875"), b.value_of_e
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elsif current_adapter?(:SQLite3Adapter)
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# - SQLite3 stores a float, in violation of SQL
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assert_kind_of BigDecimal, b.value_of_e
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assert_in_delta BigDecimal("2.71828182845905"), b.value_of_e, 0.00000000000001
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else
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# - SQL standard is an integer
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assert_kind_of Integer, b.value_of_e
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assert_equal 2, b.value_of_e
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end
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GiveMeBigNumbers.down
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assert_raise(ActiveRecord::StatementInvalid) { BigNumber.first }
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end
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def test_filtering_migrations
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assert_no_column Person, :last_name
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assert_not_predicate Reminder, :table_exists?
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name_filter = lambda { |migration| migration.name == "ValidPeopleHaveLastNames" }
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migrator = ActiveRecord::MigrationContext.new(MIGRATIONS_ROOT + "/valid")
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migrator.up(&name_filter)
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assert_column Person, :last_name
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assert_raise(ActiveRecord::StatementInvalid) { Reminder.first }
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migrator.down(&name_filter)
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assert_no_column Person, :last_name
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assert_raise(ActiveRecord::StatementInvalid) { Reminder.first }
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end
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class MockMigration < ActiveRecord::Migration::Current
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attr_reader :went_up, :went_down
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def initialize
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@went_up = false
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@went_down = false
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end
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def up
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@went_up = true
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super
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end
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def down
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@went_down = true
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super
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end
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end
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def test_instance_based_migration_up
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migration = MockMigration.new
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assert !migration.went_up, "have not gone up"
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assert !migration.went_down, "have not gone down"
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migration.migrate :up
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assert migration.went_up, "have gone up"
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assert !migration.went_down, "have not gone down"
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end
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def test_instance_based_migration_down
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migration = MockMigration.new
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assert !migration.went_up, "have not gone up"
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assert !migration.went_down, "have not gone down"
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migration.migrate :down
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assert !migration.went_up, "have gone up"
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assert migration.went_down, "have not gone down"
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end
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if ActiveRecord::Base.connection.supports_ddl_transactions?
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def test_migrator_one_up_with_exception_and_rollback
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assert_no_column Person, :last_name
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migration = Class.new(ActiveRecord::Migration::Current) {
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def version; 100 end
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def migrate(x)
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add_column "people", "last_name", :string
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raise "Something broke"
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end
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}.new
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migrator = ActiveRecord::Migrator.new(:up, [migration], 100)
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e = assert_raise(StandardError) { migrator.migrate }
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assert_equal "An error has occurred, this and all later migrations canceled:\n\nSomething broke", e.message
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assert_no_column Person, :last_name,
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"On error, the Migrator should revert schema changes but it did not."
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end
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def test_migrator_one_up_with_exception_and_rollback_using_run
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assert_no_column Person, :last_name
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migration = Class.new(ActiveRecord::Migration::Current) {
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def version; 100 end
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def migrate(x)
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add_column "people", "last_name", :string
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raise "Something broke"
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end
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}.new
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migrator = ActiveRecord::Migrator.new(:up, [migration], 100)
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e = assert_raise(StandardError) { migrator.run }
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assert_equal "An error has occurred, this and all later migrations canceled:\n\nSomething broke", e.message
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assert_no_column Person, :last_name,
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"On error, the Migrator should revert schema changes but it did not."
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end
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def test_migration_without_transaction
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assert_no_column Person, :last_name
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migration = Class.new(ActiveRecord::Migration::Current) {
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disable_ddl_transaction!
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def version; 101 end
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def migrate(x)
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add_column "people", "last_name", :string
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raise "Something broke"
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end
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}.new
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migrator = ActiveRecord::Migrator.new(:up, [migration], 101)
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e = assert_raise(StandardError) { migrator.migrate }
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assert_equal "An error has occurred, all later migrations canceled:\n\nSomething broke", e.message
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assert_column Person, :last_name,
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"without ddl transactions, the Migrator should not rollback on error but it did."
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ensure
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Person.reset_column_information
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if Person.column_names.include?("last_name")
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Person.connection.remove_column("people", "last_name")
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end
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end
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end
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def test_schema_migrations_table_name
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original_schema_migrations_table_name = ActiveRecord::Base.schema_migrations_table_name
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assert_equal "schema_migrations", ActiveRecord::SchemaMigration.table_name
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ActiveRecord::Base.table_name_prefix = "prefix_"
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ActiveRecord::Base.table_name_suffix = "_suffix"
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Reminder.reset_table_name
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assert_equal "prefix_schema_migrations_suffix", ActiveRecord::SchemaMigration.table_name
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ActiveRecord::Base.schema_migrations_table_name = "changed"
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Reminder.reset_table_name
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assert_equal "prefix_changed_suffix", ActiveRecord::SchemaMigration.table_name
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ActiveRecord::Base.table_name_prefix = ""
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ActiveRecord::Base.table_name_suffix = ""
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Reminder.reset_table_name
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assert_equal "changed", ActiveRecord::SchemaMigration.table_name
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ensure
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ActiveRecord::Base.schema_migrations_table_name = original_schema_migrations_table_name
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Reminder.reset_table_name
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end
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def test_internal_metadata_table_name
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original_internal_metadata_table_name = ActiveRecord::Base.internal_metadata_table_name
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assert_equal "ar_internal_metadata", ActiveRecord::InternalMetadata.table_name
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ActiveRecord::Base.table_name_prefix = "p_"
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ActiveRecord::Base.table_name_suffix = "_s"
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Reminder.reset_table_name
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assert_equal "p_ar_internal_metadata_s", ActiveRecord::InternalMetadata.table_name
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ActiveRecord::Base.internal_metadata_table_name = "changed"
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Reminder.reset_table_name
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assert_equal "p_changed_s", ActiveRecord::InternalMetadata.table_name
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ActiveRecord::Base.table_name_prefix = ""
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ActiveRecord::Base.table_name_suffix = ""
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Reminder.reset_table_name
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assert_equal "changed", ActiveRecord::InternalMetadata.table_name
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ensure
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ActiveRecord::Base.internal_metadata_table_name = original_internal_metadata_table_name
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Reminder.reset_table_name
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end
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def test_internal_metadata_stores_environment
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current_env = ActiveRecord::ConnectionHandling::DEFAULT_ENV.call
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migrations_path = MIGRATIONS_ROOT + "/valid"
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old_path = ActiveRecord::Migrator.migrations_paths
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migrator = ActiveRecord::MigrationContext.new(migrations_path)
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migrator.up
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assert_equal current_env, ActiveRecord::InternalMetadata[:environment]
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original_rails_env = ENV["RAILS_ENV"]
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original_rack_env = ENV["RACK_ENV"]
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ENV["RAILS_ENV"] = ENV["RACK_ENV"] = "foofoo"
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new_env = ActiveRecord::ConnectionHandling::DEFAULT_ENV.call
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assert_not_equal current_env, new_env
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sleep 1 # mysql by default does not store fractional seconds in the database
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migrator.up
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assert_equal new_env, ActiveRecord::InternalMetadata[:environment]
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ensure
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migrator = ActiveRecord::MigrationContext.new(old_path)
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ENV["RAILS_ENV"] = original_rails_env
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ENV["RACK_ENV"] = original_rack_env
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migrator.up
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end
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def test_internal_metadata_stores_environment_when_other_data_exists
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ActiveRecord::InternalMetadata.delete_all
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ActiveRecord::InternalMetadata[:foo] = "bar"
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current_env = ActiveRecord::ConnectionHandling::DEFAULT_ENV.call
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migrations_path = MIGRATIONS_ROOT + "/valid"
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old_path = ActiveRecord::Migrator.migrations_paths
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current_env = ActiveRecord::ConnectionHandling::DEFAULT_ENV.call
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migrator = ActiveRecord::MigrationContext.new(migrations_path)
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migrator.up
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assert_equal current_env, ActiveRecord::InternalMetadata[:environment]
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assert_equal "bar", ActiveRecord::InternalMetadata[:foo]
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ensure
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migrator = ActiveRecord::MigrationContext.new(old_path)
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migrator.up
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end
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def test_proper_table_name_on_migration
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reminder_class = new_isolated_reminder_class
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migration = ActiveRecord::Migration.new
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assert_equal "table", migration.proper_table_name("table")
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assert_equal "table", migration.proper_table_name(:table)
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assert_equal "reminders", migration.proper_table_name(reminder_class)
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reminder_class.reset_table_name
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assert_equal reminder_class.table_name, migration.proper_table_name(reminder_class)
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# Use the model's own prefix/suffix if a model is given
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ActiveRecord::Base.table_name_prefix = "ARprefix_"
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ActiveRecord::Base.table_name_suffix = "_ARsuffix"
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reminder_class.table_name_prefix = "prefix_"
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reminder_class.table_name_suffix = "_suffix"
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reminder_class.reset_table_name
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assert_equal "prefix_reminders_suffix", migration.proper_table_name(reminder_class)
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reminder_class.table_name_prefix = ""
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reminder_class.table_name_suffix = ""
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reminder_class.reset_table_name
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# Use AR::Base's prefix/suffix if string or symbol is given
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ActiveRecord::Base.table_name_prefix = "prefix_"
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ActiveRecord::Base.table_name_suffix = "_suffix"
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reminder_class.reset_table_name
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assert_equal "prefix_table_suffix", migration.proper_table_name("table", migration.table_name_options)
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assert_equal "prefix_table_suffix", migration.proper_table_name(:table, migration.table_name_options)
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end
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def test_rename_table_with_prefix_and_suffix
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assert_not_predicate Thing, :table_exists?
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ActiveRecord::Base.table_name_prefix = "p_"
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ActiveRecord::Base.table_name_suffix = "_s"
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Thing.reset_table_name
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Thing.reset_sequence_name
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WeNeedThings.up
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Thing.reset_column_information
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assert Thing.create("content" => "hello world")
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assert_equal "hello world", Thing.first.content
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RenameThings.up
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Thing.table_name = "p_awesome_things_s"
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assert_equal "hello world", Thing.first.content
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ensure
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Thing.reset_table_name
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Thing.reset_sequence_name
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end
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|
|
def test_add_drop_table_with_prefix_and_suffix
|
|
assert_not_predicate Reminder, :table_exists?
|
|
ActiveRecord::Base.table_name_prefix = "prefix_"
|
|
ActiveRecord::Base.table_name_suffix = "_suffix"
|
|
Reminder.reset_table_name
|
|
Reminder.reset_sequence_name
|
|
Reminder.reset_column_information
|
|
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
|
|
Reminder.reset_sequence_name
|
|
end
|
|
|
|
def test_create_table_with_binary_column
|
|
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" }
|
|
|
|
assert_nil data_column.default
|
|
ensure
|
|
Person.connection.drop_table :binary_testings, if_exists: true
|
|
end
|
|
|
|
unless mysql_enforcing_gtid_consistency?
|
|
def test_create_table_with_query
|
|
Person.connection.create_table :table_from_query_testings, as: "SELECT id FROM people WHERE id = 1"
|
|
|
|
columns = Person.connection.columns(:table_from_query_testings)
|
|
assert_equal [1], Person.connection.select_values("SELECT * FROM table_from_query_testings")
|
|
assert_equal 1, columns.length
|
|
assert_equal "id", columns.first.name
|
|
ensure
|
|
Person.connection.drop_table :table_from_query_testings rescue nil
|
|
end
|
|
|
|
def test_create_table_with_query_from_relation
|
|
Person.connection.create_table :table_from_query_testings, as: Person.select(:id).where(id: 1)
|
|
|
|
columns = Person.connection.columns(:table_from_query_testings)
|
|
assert_equal [1], Person.connection.select_values("SELECT * FROM table_from_query_testings")
|
|
assert_equal 1, columns.length
|
|
assert_equal "id", columns.first.name
|
|
ensure
|
|
Person.connection.drop_table :table_from_query_testings rescue nil
|
|
end
|
|
end
|
|
|
|
if current_adapter?(:SQLite3Adapter)
|
|
def test_allows_sqlite3_rollback_on_invalid_column_type
|
|
Person.connection.create_table :something, force: true do |t|
|
|
t.column :number, :integer
|
|
t.column :name, :string
|
|
t.column :foo, :bar
|
|
end
|
|
assert Person.connection.column_exists?(:something, :foo)
|
|
assert_nothing_raised { Person.connection.remove_column :something, :foo, :bar }
|
|
assert_not Person.connection.column_exists?(:something, :foo)
|
|
assert Person.connection.column_exists?(:something, :name)
|
|
assert Person.connection.column_exists?(:something, :number)
|
|
ensure
|
|
Person.connection.drop_table :something, if_exists: true
|
|
end
|
|
end
|
|
|
|
if current_adapter? :OracleAdapter
|
|
def test_create_table_with_custom_sequence_name
|
|
# 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
|
|
end
|
|
|
|
if current_adapter?(:Mysql2Adapter, :PostgreSQLAdapter)
|
|
def test_out_of_range_integer_limit_should_raise
|
|
e = 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
|
|
|
|
assert_match(/No integer type has byte size 10/, e.message)
|
|
ensure
|
|
Person.connection.drop_table :test_integer_limits, if_exists: true
|
|
end
|
|
end
|
|
|
|
if current_adapter?(:Mysql2Adapter)
|
|
def test_out_of_range_text_limit_should_raise
|
|
e = assert_raise(ActiveRecord::ActiveRecordError, "text limit didn't raise") do
|
|
Person.connection.create_table :test_text_limits, force: true do |t|
|
|
t.text :bigtext, limit: 0xfffffffff
|
|
end
|
|
end
|
|
|
|
assert_match(/No text type has byte length #{0xfffffffff}/, e.message)
|
|
ensure
|
|
Person.connection.drop_table :test_text_limits, if_exists: true
|
|
end
|
|
end
|
|
|
|
if ActiveRecord::Base.connection.supports_advisory_locks?
|
|
def test_migrator_generates_valid_lock_id
|
|
migration = Class.new(ActiveRecord::Migration::Current).new
|
|
migrator = ActiveRecord::Migrator.new(:up, [migration], 100)
|
|
|
|
lock_id = migrator.send(:generate_migrator_advisory_lock_id)
|
|
|
|
assert ActiveRecord::Base.connection.get_advisory_lock(lock_id),
|
|
"the Migrator should have generated a valid lock id, but it didn't"
|
|
assert ActiveRecord::Base.connection.release_advisory_lock(lock_id),
|
|
"the Migrator should have generated a valid lock id, but it didn't"
|
|
end
|
|
|
|
def test_generate_migrator_advisory_lock_id
|
|
# It is important we are consistent with how we generate this so that
|
|
# exclusive locking works across migrator versions
|
|
migration = Class.new(ActiveRecord::Migration::Current).new
|
|
migrator = ActiveRecord::Migrator.new(:up, [migration], 100)
|
|
|
|
lock_id = migrator.send(:generate_migrator_advisory_lock_id)
|
|
|
|
current_database = ActiveRecord::Base.connection.current_database
|
|
salt = ActiveRecord::Migrator::MIGRATOR_SALT
|
|
expected_id = Zlib.crc32(current_database) * salt
|
|
|
|
assert lock_id == expected_id, "expected lock id generated by the migrator to be #{expected_id}, but it was #{lock_id} instead"
|
|
assert lock_id.bit_length <= 63, "lock id must be a signed integer of max 63 bits magnitude"
|
|
end
|
|
|
|
def test_migrator_one_up_with_unavailable_lock
|
|
assert_no_column Person, :last_name
|
|
|
|
migration = Class.new(ActiveRecord::Migration::Current) {
|
|
def version; 100 end
|
|
def migrate(x)
|
|
add_column "people", "last_name", :string
|
|
end
|
|
}.new
|
|
|
|
migrator = ActiveRecord::Migrator.new(:up, [migration], 100)
|
|
lock_id = migrator.send(:generate_migrator_advisory_lock_id)
|
|
|
|
with_another_process_holding_lock(lock_id) do
|
|
assert_raise(ActiveRecord::ConcurrentMigrationError) { migrator.migrate }
|
|
end
|
|
|
|
assert_no_column Person, :last_name,
|
|
"without an advisory lock, the Migrator should not make any changes, but it did."
|
|
end
|
|
|
|
def test_migrator_one_up_with_unavailable_lock_using_run
|
|
assert_no_column Person, :last_name
|
|
|
|
migration = Class.new(ActiveRecord::Migration::Current) {
|
|
def version; 100 end
|
|
def migrate(x)
|
|
add_column "people", "last_name", :string
|
|
end
|
|
}.new
|
|
|
|
migrator = ActiveRecord::Migrator.new(:up, [migration], 100)
|
|
lock_id = migrator.send(:generate_migrator_advisory_lock_id)
|
|
|
|
with_another_process_holding_lock(lock_id) do
|
|
assert_raise(ActiveRecord::ConcurrentMigrationError) { migrator.run }
|
|
end
|
|
|
|
assert_no_column Person, :last_name,
|
|
"without an advisory lock, the Migrator should not make any changes, but it did."
|
|
end
|
|
|
|
def test_with_advisory_lock_raises_the_right_error_when_it_fails_to_release_lock
|
|
migration = Class.new(ActiveRecord::Migration::Current).new
|
|
migrator = ActiveRecord::Migrator.new(:up, [migration], 100)
|
|
lock_id = migrator.send(:generate_migrator_advisory_lock_id)
|
|
|
|
e = assert_raises(ActiveRecord::ConcurrentMigrationError) do
|
|
silence_stream($stderr) do
|
|
migrator.send(:with_advisory_lock) do
|
|
ActiveRecord::Base.connection.release_advisory_lock(lock_id)
|
|
end
|
|
end
|
|
end
|
|
|
|
assert_match(
|
|
/#{ActiveRecord::ConcurrentMigrationError::RELEASE_LOCK_FAILED_MESSAGE}/,
|
|
e.message
|
|
)
|
|
end
|
|
end
|
|
|
|
private
|
|
# This is needed to isolate class_attribute assignments like `table_name_prefix`
|
|
# for each test case.
|
|
def new_isolated_reminder_class
|
|
Class.new(Reminder) {
|
|
def self.name; "Reminder"; end
|
|
def self.base_class; self; end
|
|
}
|
|
end
|
|
|
|
def with_another_process_holding_lock(lock_id)
|
|
thread_lock = Concurrent::CountDownLatch.new
|
|
test_terminated = Concurrent::CountDownLatch.new
|
|
|
|
other_process = Thread.new do
|
|
begin
|
|
conn = ActiveRecord::Base.connection_pool.checkout
|
|
conn.get_advisory_lock(lock_id)
|
|
thread_lock.count_down
|
|
test_terminated.wait # hold the lock open until we tested everything
|
|
ensure
|
|
conn.release_advisory_lock(lock_id)
|
|
ActiveRecord::Base.connection_pool.checkin(conn)
|
|
end
|
|
end
|
|
|
|
thread_lock.wait # wait until the 'other process' has the lock
|
|
|
|
yield
|
|
|
|
test_terminated.count_down
|
|
other_process.join
|
|
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
|
|
ensure
|
|
connection.drop_table :values rescue nil
|
|
end
|
|
end
|
|
|
|
class ExplicitlyNamedIndexMigrationTest < ActiveRecord::TestCase
|
|
def test_drop_index_by_name
|
|
connection = Person.connection
|
|
connection.create_table :values, force: true do |t|
|
|
t.integer :value
|
|
end
|
|
|
|
assert_nothing_raised do
|
|
connection.add_index :values, :value, name: "a_different_name"
|
|
connection.remove_index :values, column: :value, name: "a_different_name"
|
|
end
|
|
ensure
|
|
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| }
|
|
Person.reset_column_information
|
|
Person.reset_sequence_name
|
|
end
|
|
|
|
teardown do
|
|
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 null: true
|
|
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_not 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
|
|
|
|
classname = ActiveRecord::Base.connection.class.name[/[^:]*$/]
|
|
expected_query_count = {
|
|
"Mysql2Adapter" => 3, # Adding an index fires a query every time to check if an index already exists or not
|
|
"PostgreSQLAdapter" => 2,
|
|
}.fetch(classname) {
|
|
raise "need an expected query count for #{classname}"
|
|
}
|
|
|
|
assert_queries(expected_query_count) 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_not 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)
|
|
|
|
classname = ActiveRecord::Base.connection.class.name[/[^:]*$/]
|
|
expected_query_count = {
|
|
"Mysql2Adapter" => 3, # Adding an index fires a query every time to check if an index already exists or not
|
|
"PostgreSQLAdapter" => 2,
|
|
}.fetch(classname) {
|
|
raise "need an expected query count for #{classname}"
|
|
}
|
|
|
|
assert_queries(expected_query_count) do
|
|
with_bulk_change_table do |t|
|
|
t.remove_index :name
|
|
t.index :name, name: :new_name_index, unique: true
|
|
end
|
|
end
|
|
|
|
assert_not index(:index_delete_me_on_name)
|
|
|
|
new_name_index = index(:new_name_index)
|
|
assert new_name_index.unique
|
|
end
|
|
|
|
def test_changing_columns
|
|
with_bulk_change_table do |t|
|
|
t.string :name
|
|
t.date :birthdate
|
|
end
|
|
|
|
assert_not column(:name).default
|
|
assert_equal :date, column(:birthdate).type
|
|
|
|
classname = ActiveRecord::Base.connection.class.name[/[^:]*$/]
|
|
expected_query_count = {
|
|
"Mysql2Adapter" => 3, # one query for columns, one query for primary key, one query to do the bulk change
|
|
"PostgreSQLAdapter" => 3, # one query for columns, one for bulk change, one for comment
|
|
}.fetch(classname) {
|
|
raise "need an expected query count for #{classname}"
|
|
}
|
|
|
|
assert_queries(expected_query_count, ignore_none: true) do
|
|
with_bulk_change_table do |t|
|
|
t.change :name, :string, default: "NONAME"
|
|
t.change :birthdate, :datetime, comment: "This is a comment"
|
|
end
|
|
end
|
|
|
|
assert_equal "NONAME", column(:name).default
|
|
assert_equal :datetime, column(:birthdate).type
|
|
assert_equal "This is a comment", column(:birthdate).comment
|
|
end
|
|
|
|
private
|
|
|
|
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
|
|
include ActiveSupport::Testing::Stream
|
|
|
|
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.exist?(@migrations_path + "/4_people_have_hobbies.bukkits.rb")
|
|
assert File.exist?(@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")[1].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_empty copied
|
|
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.exist?(@migrations_path + "/4_people_have_hobbies.bukkits.rb")
|
|
assert File.exist?(@migrations_path + "/5_people_have_descriptions.bukkits.rb")
|
|
assert File.exist?(@migrations_path + "/6_create_articles.omg.rb")
|
|
assert File.exist?(@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"]
|
|
|
|
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.exist?(@migrations_path + "/20100726101010_people_have_hobbies.bukkits.rb")
|
|
assert File.exist?(@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_empty copied
|
|
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"
|
|
|
|
travel_to(Time.utc(2010, 7, 26, 10, 10, 10)) do
|
|
copied = ActiveRecord::Migration.copy(@migrations_path, sources)
|
|
assert File.exist?(@migrations_path + "/20100726101010_people_have_hobbies.bukkits.rb")
|
|
assert File.exist?(@migrations_path + "/20100726101011_people_have_descriptions.bukkits.rb")
|
|
assert File.exist?(@migrations_path + "/20100726101012_create_articles.omg.rb")
|
|
assert File.exist?(@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"]
|
|
|
|
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.exist?(@migrations_path + "/20100301010102_people_have_hobbies.bukkits.rb")
|
|
assert File.exist?(@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_empty copied
|
|
end
|
|
ensure
|
|
clear
|
|
end
|
|
|
|
def test_copying_migrations_preserving_magic_comments
|
|
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 + "/magic")
|
|
assert File.exist?(@migrations_path + "/4_currencies_have_symbols.bukkits.rb")
|
|
assert_equal [@migrations_path + "/4_currencies_have_symbols.bukkits.rb"], copied.map(&:filename)
|
|
|
|
expected = "# frozen_string_literal: true\n# coding: ISO-8859-15\n# This migration comes from bukkits (originally 1)"
|
|
assert_equal expected, IO.readlines(@migrations_path + "/4_currencies_have_symbols.bukkits.rb")[0..2].join.chomp
|
|
|
|
files_count = Dir[@migrations_path + "/*.rb"].length
|
|
copied = ActiveRecord::Migration.copy(@migrations_path, bukkits: MIGRATIONS_ROOT + "/magic")
|
|
assert_equal files_count, Dir[@migrations_path + "/*.rb"].length
|
|
assert_empty copied
|
|
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 = []
|
|
|
|
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.exist?(@migrations_path + "/20100726101010_people_have_hobbies.bukkits.rb")
|
|
assert File.exist?(@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 = []
|
|
|
|
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.exist?(@migrations_path + "/20100726101010_people_have_hobbies.bukkits.rb")
|
|
assert File.exist?(@migrations_path + "/20100726101011_people_have_descriptions.bukkits.rb")
|
|
assert_equal 2, copied.length
|
|
end
|
|
ensure
|
|
clear
|
|
end
|
|
|
|
def test_check_pending_with_stdlib_logger
|
|
old, ActiveRecord::Base.logger = ActiveRecord::Base.logger, ::Logger.new($stdout)
|
|
quietly do
|
|
assert_nothing_raised { ActiveRecord::Migration::CheckPending.new(Proc.new {}).call({}) }
|
|
end
|
|
ensure
|
|
ActiveRecord::Base.logger = old
|
|
end
|
|
|
|
def test_unknown_migration_version_should_raise_an_argument_error
|
|
assert_raise(ArgumentError) { ActiveRecord::Migration[1.0] }
|
|
end
|
|
end
|