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# 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 `utf8mb4`", 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_not column_present?("delete_me", "updated_at", "datetime")
assert_not 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
assert_called_with(
ActiveRecord::Base.connection,
:data_source_exists?,
[:temp],
returns: false
) do
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
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
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