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require "cases/helper"
class ActiveSchemaTest < ActiveRecord::TestCase
def setup
@connection = ActiveRecord::Base.remove_connection
ActiveRecord::Base.establish_connection(@connection)
ActiveRecord::Base.connection.singleton_class.class_eval do
alias_method :execute_without_stub, :execute
def execute(sql, name = nil) return sql end
end
end
teardown do
ActiveRecord::Base.remove_connection
ActiveRecord::Base.establish_connection(@connection)
end
def test_add_index
# add_index calls table_exists? and index_name_exists? which can't work since execute is stubbed
def (ActiveRecord::Base.connection).table_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)
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})
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})
%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_drop_table
assert_equal "DROP TABLE `people`", drop_table(:people)
end
if current_adapter?(:Mysql2Adapter)
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 CHARACTER SET `big5` COLLATE `big5_chinese_ci`", create_database(:matt_aimonetti, {:charset => :big5, :collation => :big5_chinese_ci})
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
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
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
end
ActiveRecord::Base.connection.remove_timestamps :delete_me
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(:table_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`) ) ENGINE=InnoDB 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
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