require "cases/helper"
require "cases/migration/helper"
require "bigdecimal/util"
require "concurrent/atomic/count_down_latch"
require "models/person"
require "models/topic"
require "models/developer"
require "models/computer"
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
unless current_adapter?(:PostgreSQLAdapter, :SQLite3Adapter)
attribute :value_of_e, :integer
end
attribute :my_house_population, :integer
end
class Reminder < ActiveRecord::Base; end
class Thing < ActiveRecord::Base; end
class MigrationTest < ActiveRecord::TestCase
self.use_transactional_tests = false
fixtures :people
def setup
super
%w(reminders people_reminders prefix_reminders_suffix p_things_s).each do |table|
Reminder.connection.drop_table(table) rescue nil
end
Reminder.reset_column_information
@verbose_was, ActiveRecord::Migration.verbose = ActiveRecord::Migration.verbose, false
ActiveRecord::Base.connection.schema_cache.clear!
end
teardown do
ActiveRecord::Base.table_name_prefix = ""
ActiveRecord::Base.table_name_suffix = ""
ActiveRecord::SchemaMigration.create_table
ActiveRecord::SchemaMigration.delete_all
%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_table_name
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)
Person.reset_column_information
ActiveRecord::Migration.verbose = @verbose_was
end
def test_migration_version_matches_component_version
assert_equal ActiveRecord::VERSION::STRING.to_f, ActiveRecord::Migration.current_version
end
def test_migrator_versions
migrations_path = MIGRATIONS_ROOT + "/valid"
old_path = ActiveRecord::Migrator.migrations_paths
ActiveRecord::Migrator.migrations_paths = migrations_path
ActiveRecord::Migrator.up(migrations_path)
assert_equal 3, ActiveRecord::Migrator.current_version
assert_equal false, ActiveRecord::Migrator.needs_migration?
ActiveRecord::Migrator.down(MIGRATIONS_ROOT + "/valid")
assert_equal 0, ActiveRecord::Migrator.current_version
assert_equal true, ActiveRecord::Migrator.needs_migration?
ActiveRecord::SchemaMigration.create!(version: 3)
assert_equal true, ActiveRecord::Migrator.needs_migration?
ensure
ActiveRecord::Migrator.migrations_paths = old_path
end
def test_migration_detection_without_schema_migration_table
ActiveRecord::Base.connection.drop_table "schema_migrations", if_exists: true
migrations_path = MIGRATIONS_ROOT + "/valid"
old_path = ActiveRecord::Migrator.migrations_paths
ActiveRecord::Migrator.migrations_paths = migrations_path
assert_equal true, ActiveRecord::Migrator.needs_migration?
ensure
ActiveRecord::Migrator.migrations_paths = old_path
end
def test_any_migrations
old_path = ActiveRecord::Migrator.migrations_paths
ActiveRecord::Migrator.migrations_paths = MIGRATIONS_ROOT + "/valid"
assert ActiveRecord::Migrator.any_migrations?
ActiveRecord::Migrator.migrations_paths = MIGRATIONS_ROOT + "/empty"
assert_not ActiveRecord::Migrator.any_migrations?
ensure
ActiveRecord::Migrator.migrations_paths = old_path
end
def test_migration_version
assert_nothing_raised { ActiveRecord::Migrator.run(:up, MIGRATIONS_ROOT + "/version_check", 20131219224947) }
end
def test_create_table_with_force_true_does_not_drop_nonexisting_table
# 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, if_exists: true
end
def test_migration_instance_has_connection
migration = Class.new(ActiveRecord::Migration::Current).new
assert_equal ActiveRecord::Base.connection, migration.connection
end
def test_method_missing_delegates_to_connection
migration = Class.new(ActiveRecord::Migration::Current) {
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
BigNumber.reset_column_information
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 Integer, 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
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 Integer, 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_no_column Person, :last_name
assert !Reminder.table_exists?
name_filter = lambda { |migration| migration.name == "ValidPeopleHaveLastNames" }
ActiveRecord::Migrator.up(MIGRATIONS_ROOT + "/valid", &name_filter)
assert_column Person, :last_name
assert_raise(ActiveRecord::StatementInvalid) { Reminder.first }
ActiveRecord::Migrator.down(MIGRATIONS_ROOT + "/valid", &name_filter)
assert_no_column Person, :last_name
assert_raise(ActiveRecord::StatementInvalid) { Reminder.first }
end
class MockMigration < ActiveRecord::Migration::Current
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
if ActiveRecord::Base.connection.supports_ddl_transactions?
def test_migrator_one_up_with_exception_and_rollback
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
raise "Something broke"
end
}.new
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
assert_no_column Person, :last_name,
"On error, the Migrator should revert schema changes but it did not."
end
def test_migrator_one_up_with_exception_and_rollback_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
raise "Something broke"
end
}.new
migrator = ActiveRecord::Migrator.new(:up, [migration], 100)
e = assert_raise(StandardError) { migrator.run }
assert_equal "An error has occurred, this and all later migrations canceled:\n\nSomething broke", e.message
assert_no_column Person, :last_name,
"On error, the Migrator should revert schema changes but it did not."
end
def test_migration_without_transaction
assert_no_column Person, :last_name
migration = Class.new(ActiveRecord::Migration::Current) {
disable_ddl_transaction!
def version; 101 end
def migrate(x)
add_column "people", "last_name", :string
raise "Something broke"
end
}.new
migrator = ActiveRecord::Migrator.new(:up, [migration], 101)
e = assert_raise(StandardError) { migrator.migrate }
assert_equal "An error has occurred, all later migrations canceled:\n\nSomething broke", e.message
assert_column Person, :last_name,
"without ddl transactions, the Migrator should not rollback on error but it did."
ensure
Person.reset_column_information
if Person.column_names.include?("last_name")
Person.connection.remove_column("people", "last_name")
end
end
end
def test_schema_migrations_table_name
original_schema_migrations_table_name = ActiveRecord::Base.schema_migrations_table_name
assert_equal "schema_migrations", ActiveRecord::SchemaMigration.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::SchemaMigration.table_name
ActiveRecord::Base.schema_migrations_table_name = "changed"
Reminder.reset_table_name
assert_equal "prefix_changed_suffix", ActiveRecord::SchemaMigration.table_name
ActiveRecord::Base.table_name_prefix = ""
ActiveRecord::Base.table_name_suffix = ""
Reminder.reset_table_name
assert_equal "changed", ActiveRecord::SchemaMigration.table_name
ensure
ActiveRecord::Base.schema_migrations_table_name = original_schema_migrations_table_name
Reminder.reset_table_name
end
def test_internal_metadata_table_name
original_internal_metadata_table_name = ActiveRecord::Base.internal_metadata_table_name
assert_equal "ar_internal_metadata", ActiveRecord::InternalMetadata.table_name
ActiveRecord::Base.table_name_prefix = "p_"
ActiveRecord::Base.table_name_suffix = "_s"
Reminder.reset_table_name
assert_equal "p_ar_internal_metadata_s", ActiveRecord::InternalMetadata.table_name
ActiveRecord::Base.internal_metadata_table_name = "changed"
Reminder.reset_table_name
assert_equal "p_changed_s", ActiveRecord::InternalMetadata.table_name
ActiveRecord::Base.table_name_prefix = ""
ActiveRecord::Base.table_name_suffix = ""
Reminder.reset_table_name
assert_equal "changed", ActiveRecord::InternalMetadata.table_name
ensure
ActiveRecord::Base.internal_metadata_table_name = original_internal_metadata_table_name
Reminder.reset_table_name
end
def test_internal_metadata_stores_environment
current_env = ActiveRecord::ConnectionHandling::DEFAULT_ENV.call
migrations_path = MIGRATIONS_ROOT + "/valid"
old_path = ActiveRecord::Migrator.migrations_paths
ActiveRecord::Migrator.migrations_paths = migrations_path
ActiveRecord::Migrator.up(migrations_path)
assert_equal current_env, ActiveRecord::InternalMetadata[:environment]
original_rails_env = ENV["RAILS_ENV"]
original_rack_env = ENV["RACK_ENV"]
ENV["RAILS_ENV"] = ENV["RACK_ENV"] = "foofoo"
new_env = ActiveRecord::ConnectionHandling::DEFAULT_ENV.call
refute_equal current_env, new_env
sleep 1 # mysql by default does not store fractional seconds in the database
ActiveRecord::Migrator.up(migrations_path)
assert_equal new_env, ActiveRecord::InternalMetadata[:environment]
ensure
ActiveRecord::Migrator.migrations_paths = old_path
ENV["RAILS_ENV"] = original_rails_env
ENV["RACK_ENV"] = original_rack_env
ActiveRecord::Migrator.up(migrations_path)
end
def test_internal_metadata_stores_environment_when_other_data_exists
ActiveRecord::InternalMetadata.delete_all
ActiveRecord::InternalMetadata[:foo] = "bar"
current_env = ActiveRecord::ConnectionHandling::DEFAULT_ENV.call
migrations_path = MIGRATIONS_ROOT + "/valid"
old_path = ActiveRecord::Migrator.migrations_paths
ActiveRecord::Migrator.migrations_paths = migrations_path
current_env = ActiveRecord::ConnectionHandling::DEFAULT_ENV.call
ActiveRecord::Migrator.up(migrations_path)
assert_equal current_env, ActiveRecord::InternalMetadata[:environment]
assert_equal "bar", ActiveRecord::InternalMetadata[:foo]
ensure
ActiveRecord::Migrator.migrations_paths = old_path
end
def test_proper_table_name_on_migration
reminder_class = new_isolated_reminder_class
migration = ActiveRecord::Migration.new
assert_equal "table", migration.proper_table_name("table")
assert_equal "table", migration.proper_table_name(:table)
assert_equal "reminders", migration.proper_table_name(reminder_class)
reminder_class.reset_table_name
assert_equal reminder_class.table_name, migration.proper_table_name(reminder_class)
# 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_class.table_name_prefix = "prefix_"
reminder_class.table_name_suffix = "_suffix"
reminder_class.reset_table_name
assert_equal "prefix_reminders_suffix", migration.proper_table_name(reminder_class)
reminder_class.table_name_prefix = ""
reminder_class.table_name_suffix = ""
reminder_class.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_class.reset_table_name
assert_equal "prefix_table_suffix", migration.proper_table_name("table", migration.table_name_options)
assert_equal "prefix_table_suffix", migration.proper_table_name(:table, migration.table_name_options)
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
Thing.reset_column_information
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
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
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 !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
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 ! 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, ignore_none: true) 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
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")[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.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 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"
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 copied.empty?
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 = "# 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..1].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 copied.empty?
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
def test_deprecate_initialize_internal_tables
assert_deprecated { ActiveRecord::Base.connection.initialize_schema_migrations_table }
assert_deprecated { ActiveRecord::Base.connection.initialize_internal_metadata_table }
end
def test_deprecate_migration_keys
assert_deprecated { ActiveRecord::Base.connection.migration_keys }
end
def test_deprecate_supports_migrations
assert_deprecated { ActiveRecord::Base.connection.supports_migrations? }
end
def test_deprecate_schema_migrations_table_name
assert_deprecated { ActiveRecord::Migrator.schema_migrations_table_name }
end
end