diff options
Diffstat (limited to 'activerecord/test/cases/adapters/mysql2/active_schema_test.rb')
| -rw-r--r-- | activerecord/test/cases/adapters/mysql2/active_schema_test.rb | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/activerecord/test/cases/adapters/mysql2/active_schema_test.rb b/activerecord/test/cases/adapters/mysql2/active_schema_test.rb new file mode 100644 index 0000000000..9ae2c42368 --- /dev/null +++ b/activerecord/test/cases/adapters/mysql2/active_schema_test.rb @@ -0,0 +1,195 @@ +# frozen_string_literal: true + +require "cases/helper" +require "support/connection_helper" + +class Mysql2ActiveSchemaTest < ActiveRecord::Mysql2TestCase + include ConnectionHelper + + def setup + ActiveRecord::Base.connection.singleton_class.class_eval do + alias_method :execute_without_stub, :execute + def execute(sql, name = nil) sql end + end + end + + teardown do + reset_connection + end + + def test_add_index + # add_index calls data_source_exists? and index_name_exists? which can't work since execute is stubbed + def (ActiveRecord::Base.connection).data_source_exists?(*); true; end + def (ActiveRecord::Base.connection).index_name_exists?(*); false; end + + expected = "CREATE INDEX `index_people_on_last_name` ON `people` (`last_name`) " + assert_equal expected, add_index(:people, :last_name, length: nil) + + expected = "CREATE INDEX `index_people_on_last_name` ON `people` (`last_name`(10)) " + assert_equal expected, add_index(:people, :last_name, length: 10) + + expected = "CREATE INDEX `index_people_on_last_name_and_first_name` ON `people` (`last_name`(15), `first_name`(15)) " + assert_equal expected, add_index(:people, [:last_name, :first_name], length: 15) + assert_equal expected, add_index(:people, ["last_name", "first_name"], length: 15) + + expected = "CREATE INDEX `index_people_on_last_name_and_first_name` ON `people` (`last_name`(15), `first_name`) " + assert_equal expected, add_index(:people, [:last_name, :first_name], length: { last_name: 15 }) + assert_equal expected, add_index(:people, ["last_name", "first_name"], length: { last_name: 15 }) + + expected = "CREATE INDEX `index_people_on_last_name_and_first_name` ON `people` (`last_name`(15), `first_name`(10)) " + assert_equal expected, add_index(:people, [:last_name, :first_name], length: { last_name: 15, first_name: 10 }) + assert_equal expected, add_index(:people, ["last_name", :first_name], length: { last_name: 15, "first_name" => 10 }) + + %w(SPATIAL FULLTEXT UNIQUE).each do |type| + expected = "CREATE #{type} INDEX `index_people_on_last_name` ON `people` (`last_name`) " + assert_equal expected, add_index(:people, :last_name, type: type) + end + + %w(btree hash).each do |using| + expected = "CREATE INDEX `index_people_on_last_name` USING #{using} ON `people` (`last_name`) " + assert_equal expected, add_index(:people, :last_name, using: using) + end + + expected = "CREATE INDEX `index_people_on_last_name` USING btree ON `people` (`last_name`(10)) " + assert_equal expected, add_index(:people, :last_name, length: 10, using: :btree) + + expected = "CREATE INDEX `index_people_on_last_name` USING btree ON `people` (`last_name`(10)) ALGORITHM = COPY" + assert_equal expected, add_index(:people, :last_name, length: 10, using: :btree, algorithm: :copy) + + assert_raise ArgumentError do + add_index(:people, :last_name, algorithm: :coyp) + end + + expected = "CREATE INDEX `index_people_on_last_name_and_first_name` USING btree ON `people` (`last_name`(15), `first_name`(15)) " + assert_equal expected, add_index(:people, [:last_name, :first_name], length: 15, using: :btree) + end + + def test_index_in_create + def (ActiveRecord::Base.connection).data_source_exists?(*); false; end + + %w(SPATIAL FULLTEXT UNIQUE).each do |type| + expected = "CREATE TABLE `people` (#{type} INDEX `index_people_on_last_name` (`last_name`))" + actual = ActiveRecord::Base.connection.create_table(:people, id: false) do |t| + t.index :last_name, type: type + end + assert_equal expected, actual + end + + expected = "CREATE TABLE `people` ( INDEX `index_people_on_last_name` USING btree (`last_name`(10)))" + actual = ActiveRecord::Base.connection.create_table(:people, id: false) do |t| + t.index :last_name, length: 10, using: :btree + end + assert_equal expected, actual + end + + def test_index_in_bulk_change + def (ActiveRecord::Base.connection).data_source_exists?(*); true; end + def (ActiveRecord::Base.connection).index_name_exists?(*); false; end + + %w(SPATIAL FULLTEXT UNIQUE).each do |type| + expected = "ALTER TABLE `people` ADD #{type} INDEX `index_people_on_last_name` (`last_name`)" + actual = ActiveRecord::Base.connection.change_table(:people, bulk: true) do |t| + t.index :last_name, type: type + end + assert_equal expected, actual + end + + expected = "ALTER TABLE `people` ADD INDEX `index_people_on_last_name` USING btree (`last_name`(10)), ALGORITHM = COPY" + actual = ActiveRecord::Base.connection.change_table(:people, bulk: true) do |t| + t.index :last_name, length: 10, using: :btree, algorithm: :copy + end + assert_equal expected, actual + end + + def test_drop_table + assert_equal "DROP TABLE `people`", drop_table(:people) + end + + def test_create_mysql_database_with_encoding + assert_equal "CREATE DATABASE `matt` DEFAULT CHARACTER SET `utf8`", create_database(:matt) + assert_equal "CREATE DATABASE `aimonetti` DEFAULT CHARACTER SET `latin1`", create_database(:aimonetti, charset: "latin1") + assert_equal "CREATE DATABASE `matt_aimonetti` DEFAULT COLLATE `utf8mb4_bin`", create_database(:matt_aimonetti, collation: "utf8mb4_bin") + end + + def test_recreate_mysql_database_with_encoding + create_database(:luca, charset: "latin1") + assert_equal "CREATE DATABASE `luca` DEFAULT CHARACTER SET `latin1`", recreate_database(:luca, charset: "latin1") + end + + def test_add_column + assert_equal "ALTER TABLE `people` ADD `last_name` varchar(255)", add_column(:people, :last_name, :string) + end + + def test_add_column_with_limit + assert_equal "ALTER TABLE `people` ADD `key` varchar(32)", add_column(:people, :key, :string, limit: 32) + end + + def test_drop_table_with_specific_database + assert_equal "DROP TABLE `otherdb`.`people`", drop_table("otherdb.people") + end + + def test_add_timestamps + with_real_execute do + begin + ActiveRecord::Base.connection.create_table :delete_me + ActiveRecord::Base.connection.add_timestamps :delete_me, null: true + assert column_present?("delete_me", "updated_at", "datetime") + assert column_present?("delete_me", "created_at", "datetime") + ensure + ActiveRecord::Base.connection.drop_table :delete_me rescue nil + end + end + end + + def test_remove_timestamps + with_real_execute do + begin + ActiveRecord::Base.connection.create_table :delete_me do |t| + t.timestamps null: true + end + ActiveRecord::Base.connection.remove_timestamps :delete_me, null: true + assert !column_present?("delete_me", "updated_at", "datetime") + assert !column_present?("delete_me", "created_at", "datetime") + ensure + ActiveRecord::Base.connection.drop_table :delete_me rescue nil + end + end + end + + def test_indexes_in_create + ActiveRecord::Base.connection.stubs(:data_source_exists?).with(:temp).returns(false) + ActiveRecord::Base.connection.stubs(:index_name_exists?).with(:index_temp_on_zip).returns(false) + + expected = "CREATE TEMPORARY TABLE `temp` ( INDEX `index_temp_on_zip` (`zip`)) AS SELECT id, name, zip FROM a_really_complicated_query" + actual = ActiveRecord::Base.connection.create_table(:temp, temporary: true, as: "SELECT id, name, zip FROM a_really_complicated_query") do |t| + t.index :zip + end + + assert_equal expected, actual + end + + private + def with_real_execute + ActiveRecord::Base.connection.singleton_class.class_eval do + alias_method :execute_with_stub, :execute + remove_method :execute + alias_method :execute, :execute_without_stub + end + + yield + ensure + ActiveRecord::Base.connection.singleton_class.class_eval do + remove_method :execute + alias_method :execute, :execute_with_stub + end + end + + def method_missing(method_symbol, *arguments) + ActiveRecord::Base.connection.send(method_symbol, *arguments) + end + + def column_present?(table_name, column_name, type) + results = ActiveRecord::Base.connection.select_all("SHOW FIELDS FROM #{table_name} LIKE '#{column_name}'") + results.first && results.first["Type"] == type + end +end |