Trait = $this->getMockForTrait('CakeDC\Users\Traits\RandomStringTrait'); } public function tearDown() { parent::tearDown(); } public function testRandomString() { $result = $this->Trait->randomString(); $this->assertEquals(10, strlen($result)); $result = $this->Trait->randomString(30); $this->assertEquals(30, strlen($result)); $result = $this->Trait->randomString('-300'); $this->assertEquals(10, strlen($result)); $result = $this->Trait->randomString('text'); $this->assertEquals(10, strlen($result)); } }