123 lines
4.8 KiB
Ruby
123 lines
4.8 KiB
Ruby
require "cases/helper"
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class ActiveSchemaTest < ActiveRecord::TestCase
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def setup
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ActiveRecord::ConnectionAdapters::MysqlAdapter.class_eval do
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alias_method :execute_without_stub, :execute
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def execute(sql, name = nil) return sql end
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end
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end
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def teardown
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ActiveRecord::ConnectionAdapters::MysqlAdapter.class_eval do
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remove_method :execute
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alias_method :execute, :execute_without_stub
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end
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end
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def test_add_index
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# add_index calls index_exists? which can't work since execute is stubbed
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ActiveRecord::ConnectionAdapters::MysqlAdapter.send(:define_method, :index_exists?) do |*|
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false
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end
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expected = "CREATE INDEX `index_people_on_last_name` ON `people` (`last_name`)"
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assert_equal expected, add_index(:people, :last_name, :length => nil)
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expected = "CREATE INDEX `index_people_on_last_name` ON `people` (`last_name`(10))"
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assert_equal expected, add_index(:people, :last_name, :length => 10)
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expected = "CREATE INDEX `index_people_on_last_name_and_first_name` ON `people` (`last_name`(15), `first_name`(15))"
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assert_equal expected, add_index(:people, [:last_name, :first_name], :length => 15)
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expected = "CREATE INDEX `index_people_on_last_name_and_first_name` ON `people` (`last_name`(15), `first_name`)"
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assert_equal expected, add_index(:people, [:last_name, :first_name], :length => {:last_name => 15})
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expected = "CREATE INDEX `index_people_on_last_name_and_first_name` ON `people` (`last_name`(15), `first_name`(10))"
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assert_equal expected, add_index(:people, [:last_name, :first_name], :length => {:last_name => 15, :first_name => 10})
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ActiveRecord::ConnectionAdapters::MysqlAdapter.send(:remove_method, :index_exists?)
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end
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def test_drop_table
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assert_equal "DROP TABLE `people`", drop_table(:people)
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end
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if current_adapter?(:MysqlAdapter)
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def test_create_mysql_database_with_encoding
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assert_equal "CREATE DATABASE `matt` DEFAULT CHARACTER SET `utf8`", create_database(:matt)
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assert_equal "CREATE DATABASE `aimonetti` DEFAULT CHARACTER SET `latin1`", create_database(:aimonetti, {:charset => 'latin1'})
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assert_equal "CREATE DATABASE `matt_aimonetti` DEFAULT CHARACTER SET `big5` COLLATE `big5_chinese_ci`", create_database(:matt_aimonetti, {:charset => :big5, :collation => :big5_chinese_ci})
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end
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def test_recreate_mysql_database_with_encoding
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create_database(:luca, {:charset => 'latin1'})
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assert_equal "CREATE DATABASE `luca` DEFAULT CHARACTER SET `latin1`", recreate_database(:luca, {:charset => 'latin1'})
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end
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end
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def test_add_column
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assert_equal "ALTER TABLE `people` ADD `last_name` varchar(255)", add_column(:people, :last_name, :string)
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end
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def test_add_column_with_limit
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assert_equal "ALTER TABLE `people` ADD `key` varchar(32)", add_column(:people, :key, :string, :limit => 32)
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end
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def test_drop_table_with_specific_database
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assert_equal "DROP TABLE `otherdb`.`people`", drop_table('otherdb.people')
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end
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def test_add_timestamps
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with_real_execute do
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begin
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ActiveRecord::Base.connection.create_table :delete_me do |t|
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end
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ActiveRecord::Base.connection.add_timestamps :delete_me
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assert column_present?('delete_me', 'updated_at', 'datetime')
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assert column_present?('delete_me', 'created_at', 'datetime')
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ensure
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ActiveRecord::Base.connection.drop_table :delete_me rescue nil
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end
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end
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end
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def test_remove_timestamps
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with_real_execute do
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begin
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ActiveRecord::Base.connection.create_table :delete_me do |t|
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t.timestamps
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end
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ActiveRecord::Base.connection.remove_timestamps :delete_me
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assert !column_present?('delete_me', 'updated_at', 'datetime')
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assert !column_present?('delete_me', 'created_at', 'datetime')
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ensure
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ActiveRecord::Base.connection.drop_table :delete_me rescue nil
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end
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end
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end
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private
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def with_real_execute
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#we need to actually modify some data, so we make execute point to the original method
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ActiveRecord::ConnectionAdapters::MysqlAdapter.class_eval do
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alias_method :execute_with_stub, :execute
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alias_method :execute, :execute_without_stub
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end
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yield
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ensure
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#before finishing, we restore the alias to the mock-up method
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ActiveRecord::ConnectionAdapters::MysqlAdapter.class_eval do
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alias_method :execute, :execute_with_stub
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end
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end
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def method_missing(method_symbol, *arguments)
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ActiveRecord::Base.connection.send(method_symbol, *arguments)
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end
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def column_present?(table_name, column_name, type)
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results = ActiveRecord::Base.connection.select_all("SHOW FIELDS FROM #{table_name} LIKE '#{column_name}'")
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results.first && results.first['Type'] == type
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end
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end
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