public function testSave() { $nid = mt_rand(0, 999999); for ($i = 0; $i < 10; $i++) { $book = new Book(array('name' => 'test_save', 'nid' => $nid)); $book->save(); } $books = Book::find(array('nid' => $nid)); $books->map(function ($book) { $book->age = 10; return $book; })->save(); $this->assertEquals(10, $books->get(0)->age); $books = Book::find(array('nid' => $nid)); $this->assertEquals(10, $books->get(0)->age); }