/** * Testing the custom base64 encoding */ public function testBase64Encode() { $string = 'this is my + string !@#$'; $header = new Header('test'); $jwt = new Jwt($header); $result = $jwt->base64Encode($string); $this->assertEquals($result, 'dGhpcyBpcyBteSArIHN0cmluZyAhQCMk'); }