1 files changed, 311 insertions, 0 deletions
diff --git a/activerecord/test/cases/tasks/mysql_rake_test.rb b/activerecord/test/cases/tasks/mysql_rake_test.rb
new file mode 100644
index 0000000000..f58535f044
--- /dev/null
+++ b/activerecord/test/cases/tasks/mysql_rake_test.rb
@@ -0,0 +1,311 @@
+require 'cases/helper'
+
+if current_adapter?(:MysqlAdapter, :Mysql2Adapter)
+module ActiveRecord
+  class MysqlDBCreateTest < ActiveRecord::TestCase
+    def setup
+      @connection    = stub(:create_database => true)
+      @configuration = {
+        'adapter'  => 'mysql',
+        'database' => 'my-app-db'
+      }
+
+      ActiveRecord::Base.stubs(:connection).returns(@connection)
+      ActiveRecord::Base.stubs(:establish_connection).returns(true)
+    end
+
+    def test_establishes_connection_without_database
+      ActiveRecord::Base.expects(:establish_connection).
+        with('adapter' => 'mysql', 'database' => nil)
+
+      ActiveRecord::Tasks::DatabaseTasks.create @configuration
+    end
+
+    def test_creates_database_with_default_encoding_and_collation
+      @connection.expects(:create_database).
+        with('my-app-db', charset: 'utf8', collation: 'utf8_unicode_ci')
+
+      ActiveRecord::Tasks::DatabaseTasks.create @configuration
+    end
+
+    def test_creates_database_with_given_encoding_and_default_collation
+      @connection.expects(:create_database).
+        with('my-app-db', charset: 'utf8', collation: 'utf8_unicode_ci')
+
+      ActiveRecord::Tasks::DatabaseTasks.create @configuration.merge('encoding' => 'utf8')
+    end
+
+    def test_creates_database_with_given_encoding_and_no_collation
+      @connection.expects(:create_database).
+        with('my-app-db', charset: 'latin1')
+
+      ActiveRecord::Tasks::DatabaseTasks.create @configuration.merge('encoding' => 'latin1')
+    end
+
+    def test_creates_database_with_given_collation_and_no_encoding
+      @connection.expects(:create_database).
+        with('my-app-db', collation: 'latin1_swedish_ci')
+
+      ActiveRecord::Tasks::DatabaseTasks.create @configuration.merge('collation' => 'latin1_swedish_ci')
+    end
+
+    def test_establishes_connection_to_database
+      ActiveRecord::Base.expects(:establish_connection).with(@configuration)
+
+      ActiveRecord::Tasks::DatabaseTasks.create @configuration
+    end
+
+    def test_create_when_database_exists_outputs_info_to_stderr
+      $stderr.expects(:puts).with("my-app-db already exists").once
+
+      ActiveRecord::Base.connection.stubs(:create_database).raises(
+        ActiveRecord::StatementInvalid.new("Can't create database 'dev'; database exists:")
+      )
+
+      ActiveRecord::Tasks::DatabaseTasks.create @configuration
+    end
+  end
+
+  if current_adapter?(:MysqlAdapter)
+    class MysqlDBCreateAsRootTest < ActiveRecord::TestCase
+      def setup
+        @connection    = stub("Connection", create_database: true)
+        @error         = Mysql::Error.new "Invalid permissions"
+        @configuration = {
+          'adapter'  => 'mysql',
+          'database' => 'my-app-db',
+          'username' => 'pat',
+          'password' => 'wossname'
+        }
+
+        $stdin.stubs(:gets).returns("secret\n")
+        $stdout.stubs(:print).returns(nil)
+        @error.stubs(:errno).returns(1045)
+        ActiveRecord::Base.stubs(:connection).returns(@connection)
+        ActiveRecord::Base.stubs(:establish_connection).
+          raises(@error).
+          then.returns(true)
+      end
+
+      if defined?(::Mysql)
+        def test_root_password_is_requested
+          assert_permissions_granted_for "pat"
+          $stdin.expects(:gets).returns("secret\n")
+
+          ActiveRecord::Tasks::DatabaseTasks.create @configuration
+        end
+      end
+
+      def test_connection_established_as_root
+        assert_permissions_granted_for "pat"
+        ActiveRecord::Base.expects(:establish_connection).with(
+          'adapter'  => 'mysql',
+          'database' => nil,
+          'username' => 'root',
+          'password' => 'secret'
+        )
+
+        ActiveRecord::Tasks::DatabaseTasks.create @configuration
+      end
+
+      def test_database_created_by_root
+        assert_permissions_granted_for "pat"
+        @connection.expects(:create_database).
+          with('my-app-db', :charset => 'utf8', :collation => 'utf8_unicode_ci')
+
+        ActiveRecord::Tasks::DatabaseTasks.create @configuration
+      end
+
+      def test_grant_privileges_for_normal_user
+        assert_permissions_granted_for "pat"
+        ActiveRecord::Tasks::DatabaseTasks.create @configuration
+      end
+
+      def test_do_not_grant_privileges_for_root_user
+        @configuration['username'] = 'root'
+        @configuration['password'] = ''
+        ActiveRecord::Tasks::DatabaseTasks.create @configuration
+      end
+
+      def test_connection_established_as_normal_user
+        assert_permissions_granted_for "pat"
+        ActiveRecord::Base.expects(:establish_connection).returns do
+          ActiveRecord::Base.expects(:establish_connection).with(
+            'adapter'  => 'mysql',
+            'database' => 'my-app-db',
+            'username' => 'pat',
+            'password' => 'secret'
+          )
+
+          raise @error
+        end
+
+        ActiveRecord::Tasks::DatabaseTasks.create @configuration
+      end
+
+      def test_sends_output_to_stderr_when_other_errors
+        @error.stubs(:errno).returns(42)
+
+        $stderr.expects(:puts).at_least_once.returns(nil)
+
+        ActiveRecord::Tasks::DatabaseTasks.create @configuration
+      end
+
+      private
+        def assert_permissions_granted_for(db_user)
+          db_name = @configuration['database']
+          db_password = @configuration['password']
+          @connection.expects(:execute).with("GRANT ALL PRIVILEGES ON #{db_name}.* TO '#{db_user}'@'localhost' IDENTIFIED BY '#{db_password}' WITH GRANT OPTION;")
+        end
+    end
+  end
+
+  class MySQLDBDropTest < ActiveRecord::TestCase
+    def setup
+      @connection    = stub(:drop_database => true)
+      @configuration = {
+        'adapter'  => 'mysql',
+        'database' => 'my-app-db'
+      }
+
+      ActiveRecord::Base.stubs(:connection).returns(@connection)
+      ActiveRecord::Base.stubs(:establish_connection).returns(true)
+    end
+
+    def test_establishes_connection_to_mysql_database
+      ActiveRecord::Base.expects(:establish_connection).with @configuration
+
+      ActiveRecord::Tasks::DatabaseTasks.drop @configuration
+    end
+
+    def test_drops_database
+      @connection.expects(:drop_database).with('my-app-db')
+
+      ActiveRecord::Tasks::DatabaseTasks.drop @configuration
+    end
+  end
+
+  class MySQLPurgeTest < ActiveRecord::TestCase
+    def setup
+      @connection    = stub(:recreate_database => true)
+      @configuration = {
+        'adapter'  => 'mysql',
+        'database' => 'test-db'
+      }
+
+      ActiveRecord::Base.stubs(:connection).returns(@connection)
+      ActiveRecord::Base.stubs(:establish_connection).returns(true)
+    end
+
+    def test_establishes_connection_to_the_appropriate_database
+      ActiveRecord::Base.expects(:establish_connection).with(@configuration)
+
+      ActiveRecord::Tasks::DatabaseTasks.purge @configuration
+    end
+
+    def test_recreates_database_with_the_default_options
+      @connection.expects(:recreate_database).
+        with('test-db', charset: 'utf8', collation: 'utf8_unicode_ci')
+
+      ActiveRecord::Tasks::DatabaseTasks.purge @configuration
+    end
+
+    def test_recreates_database_with_the_given_options
+      @connection.expects(:recreate_database).
+        with('test-db', charset: 'latin', collation: 'latin1_swedish_ci')
+
+      ActiveRecord::Tasks::DatabaseTasks.purge @configuration.merge(
+        'encoding' => 'latin', 'collation' => 'latin1_swedish_ci')
+    end
+  end
+
+  class MysqlDBCharsetTest < ActiveRecord::TestCase
+    def setup
+      @connection    = stub(:create_database => true)
+      @configuration = {
+        'adapter'  => 'mysql',
+        'database' => 'my-app-db'
+      }
+
+      ActiveRecord::Base.stubs(:connection).returns(@connection)
+      ActiveRecord::Base.stubs(:establish_connection).returns(true)
+    end
+
+    def test_db_retrieves_charset
+      @connection.expects(:charset)
+      ActiveRecord::Tasks::DatabaseTasks.charset @configuration
+    end
+  end
+
+  class MysqlDBCollationTest < ActiveRecord::TestCase
+    def setup
+      @connection    = stub(:create_database => true)
+      @configuration = {
+        'adapter'  => 'mysql',
+        'database' => 'my-app-db'
+      }
+
+      ActiveRecord::Base.stubs(:connection).returns(@connection)
+      ActiveRecord::Base.stubs(:establish_connection).returns(true)
+    end
+
+    def test_db_retrieves_collation
+      @connection.expects(:collation)
+      ActiveRecord::Tasks::DatabaseTasks.collation @configuration
+    end
+  end
+
+  class MySQLStructureDumpTest < ActiveRecord::TestCase
+    def setup
+      @configuration = {
+        'adapter'  => 'mysql',
+        'database' => 'test-db'
+      }
+    end
+
+    def test_structure_dump
+      filename = "awesome-file.sql"
+      Kernel.expects(:system).with("mysqldump", "--result-file", filename, "--no-data", "test-db").returns(true)
+
+      ActiveRecord::Tasks::DatabaseTasks.structure_dump(@configuration, filename)
+    end
+
+    def test_warn_when_external_structure_dump_fails
+      filename = "awesome-file.sql"
+      Kernel.expects(:system).with("mysqldump", "--result-file", filename, "--no-data", "test-db").returns(false)
+
+      warnings = capture(:stderr) do
+        ActiveRecord::Tasks::DatabaseTasks.structure_dump(@configuration, filename)
+      end
+
+      assert_match(/Could not dump the database structure/, warnings)
+    end
+
+    def test_structure_dump_with_port_number
+      filename = "awesome-file.sql"
+      Kernel.expects(:system).with("mysqldump", "--port", "10000", "--result-file", filename, "--no-data", "test-db").returns(true)
+
+      ActiveRecord::Tasks::DatabaseTasks.structure_dump(
+        @configuration.merge('port' => 10000),
+        filename)
+    end
+  end
+
+  class MySQLStructureLoadTest < ActiveRecord::TestCase
+    def setup
+      @configuration = {
+        'adapter'  => 'mysql',
+        'database' => 'test-db'
+      }
+    end
+
+    def test_structure_load
+      filename = "awesome-file.sql"
+      Kernel.expects(:system).with('mysql', '--execute', %{SET FOREIGN_KEY_CHECKS = 0; SOURCE #{filename}; SET FOREIGN_KEY_CHECKS = 1}, "--database", "test-db")
+
+      ActiveRecord::Tasks::DatabaseTasks.structure_load(@configuration, filename)
+    end
+  end
+
+end
+end