php - Can PHPUnit test stub methods not be overwritten? -

in tests, created test stub class , mock output of method "save" return default value. have in setup() method initiate before each test runs:

//  auth adapter $this->authmock = $this->getmockbuilder('app\\auth')     ->disableoriginalconstructor()     ->getmock();  // defaut, we'll make authenticate return fail result $this->authmock     ->method('authenticate')     ->willreturn(0); 

this inject service locator overwriting 1 used app (the real app\auth). however, during actual tests, may wish change output of method

// here, we'll make authenticate return success result $this->authmock     ->method('authenticate')     ->willreturn(1); 

anyway, once identified issue, poc, put these 1 after other , right enough seems phpunit doesn't allow me overwrite declared mocked method return value:

//  auth adapter $this->authmock = $this->getmockbuilder('app\\auth')     ->disableoriginalconstructor()     ->getmock();  // defaut, we'll make authenticate return fail result $this->authmock     ->method('authenticate')     ->willreturn(0);  // here, we'll make authenticate return success result $this->authmock     ->method('authenticate')     ->willreturn(1); 

var_dump($this->authmock->authenticate()); exit; // returns 0 :(

i'm sure in past able this. unless previous version of phpunit. i'm using 4.8.*. way can this? default want authenticate return fail, tests may want override success (so act though user authenticated)

i can't recall ever being able mock same method twice, define helper function:

protected function mockauthresult($result = 0) {...} 

another option define:

protected $authresult; 

and in setup:

$this->authresult = 0; // fail default $this->authmock     ->method('authenticate')     ->willreturn($this->authresult); 

and can override individual tests.