Duplicate code is one of the most pungent code smells. A rule that is often used is to re-structure code once it is duplicated in three or more places.
Common duplication problems, and corresponding solutions are:
| 1 | <?php  | 
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| 6 | class JwtWrapperHashTest extends TestCase  | 
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| 7 | { | 
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| 8 | |||
| 9 | /**  | 
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| 10 | * @var JwtWrapper  | 
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| 11 | */  | 
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| 12 | protected $object;  | 
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| 13 | |||
| 14 | protected $dataToToken = ["name" => "John", "id"=>"1"];  | 
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| 15 | protected $server = "example.com";  | 
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| 16 | |||
| 17 | /**  | 
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| 18 | * @var \ByJG\Util\JwtKeyInterface  | 
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| 19 | */  | 
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| 20 | protected $jwtKey;  | 
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| 21 | |||
| 22 | protected function setUp()  | 
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| 23 |     { | 
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| 24 |         $this->jwtKey = \ByJG\Util\JwtKeySecret::getInstance("secrect_key_for_test", false); | 
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| 25 | |||
| 26 | unset($_SERVER["HTTP_AUTHORIZATION"]);  | 
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| 27 | $this->object = new JwtWrapper($this->server, $this->jwtKey);  | 
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| 28 | }  | 
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| 29 | |||
| 30 | protected function tearDown()  | 
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| 31 |     { | 
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| 32 | $this->object = null;  | 
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| 33 | unset($_SERVER["HTTP_AUTHORIZATION"]);  | 
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| 34 | }  | 
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| 35 | |||
| 36 | |||
| 37 | public function testSuccessfulFlow1()  | 
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| 38 |     { | 
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| 39 | $jwt = $this->object->createJwtData($this->dataToToken);  | 
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| 40 | |||
| 41 | $this->assertEquals([  | 
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| 42 | 'iat' => $jwt["iat"], // Not deterministic for the test  | 
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| 43 | 'jti' => $jwt["jti"], // Not deterministic for the test  | 
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| 44 | 'iss' => "example.com",  | 
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| 45 | 'nbf' => $jwt["iat"],  | 
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| 46 | 'exp' => $jwt["iat"] + 60,  | 
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| 47 | 'data' => $this->dataToToken  | 
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| 48 | ], $jwt);  | 
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| 49 | |||
| 50 | $token = $this->object->generateToken($jwt);  | 
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| 51 | |||
| 52 | $data = $this->object->extractData($token);  | 
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| 53 | |||
| 54 | $expectedData = new stdClass();  | 
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| 55 | $expectedData->iat = $jwt["iat"]; // Not deterministic for the test  | 
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| 56 | $expectedData->jti = $jwt["jti"]; // Not deterministic for the test  | 
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| 57 | $expectedData->iss = "example.com";  | 
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| 58 | $expectedData->nbf = $jwt["iat"];  | 
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| 59 | $expectedData->exp = $jwt["iat"] + 60;  | 
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| 60 | $expectedData->data = (object)$this->dataToToken;  | 
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| 61 | |||
| 62 | $this->assertEquals(  | 
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| 63 | $expectedData,  | 
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| 64 | $data  | 
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| 65 | );  | 
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| 66 | |||
| 67 | }  | 
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| 68 | |||
| 69 | public function testSuccessfulFlow2()  | 
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| 70 |     { | 
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| 71 | $jwt = $this->object->createJwtData($this->dataToToken);  | 
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| 72 | |||
| 73 | $this->assertEquals([  | 
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| 74 | 'iat' => $jwt["iat"], // Not deterministic for the test  | 
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| 75 | 'jti' => $jwt["jti"], // Not deterministic for the test  | 
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| 76 | 'iss' => "example.com",  | 
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| 77 | 'nbf' => $jwt["iat"],  | 
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| 78 | 'exp' => $jwt["iat"] + 60,  | 
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| 79 | 'data' => $this->dataToToken  | 
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| 80 | ], $jwt);  | 
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| 81 | |||
| 82 | $token = $this->object->generateToken($jwt);  | 
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| 83 | |||
| 84 | $_SERVER["HTTP_AUTHORIZATION"] = "Bearer $token";  | 
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| 85 | |||
| 86 | $data = $this->object->extractData();  | 
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| 87 | |||
| 88 | $expectedData = new stdClass();  | 
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| 89 | $expectedData->iat = $jwt["iat"]; // Not deterministic for the test  | 
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| 90 | $expectedData->jti = $jwt["jti"]; // Not deterministic for the test  | 
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| 91 | $expectedData->iss = "example.com";  | 
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| 92 | $expectedData->nbf = $jwt["iat"];  | 
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| 93 | $expectedData->exp = $jwt["iat"] + 60;  | 
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| 94 | $expectedData->data = (object)$this->dataToToken;  | 
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| 95 | |||
| 96 | $this->assertEquals(  | 
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| 97 | $expectedData,  | 
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| 98 | $data  | 
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| 99 | );  | 
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| 100 | |||
| 101 | }  | 
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| 102 | |||
| 103 | /**  | 
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| 104 | * @throws \ByJG\Util\JwtWrapperException  | 
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| 105 | * @expectedException \ByJG\Util\JwtWrapperException  | 
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| 106 | */  | 
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| 107 | public function testTokenWrongServerSameSecret()  | 
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| 108 |     { | 
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| 109 | $jwt = $this->object->createJwtData($this->dataToToken);  | 
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| 110 | $token = $this->object->generateToken($jwt);  | 
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| 111 | |||
| 112 |         $jwtWrapper = new JwtWrapper("otherserver.com", $this->jwtKey); | 
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| 113 | |||
| 114 | $jwtWrapper->extractData($token);  | 
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| 115 | }  | 
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| 116 | |||
| 117 | /**  | 
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| 118 | * @throws \ByJG\Util\JwtWrapperException  | 
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| 119 | * @expectedException \Firebase\JWT\SignatureInvalidException  | 
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| 120 | */  | 
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| 121 | public function testTokenWrongSecret()  | 
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| 122 |     { | 
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| 123 | $jwt = $this->object->createJwtData($this->dataToToken);  | 
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| 124 | $token = $this->object->generateToken($jwt);  | 
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| 125 | |||
| 126 |         $jwtWrapper = new JwtWrapper($this->server, new \ByJG\Util\JwtKeySecret("some_creepy_secret", true)); | 
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| 127 | |||
| 128 | $jwtWrapper->extractData($token);  | 
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| 129 | }  | 
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| 130 | |||
| 131 | /**  | 
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| 132 | * @throws \ByJG\Util\JwtWrapperException  | 
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| 133 | * @expectedException \Firebase\JWT\ExpiredException  | 
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| 134 | */  | 
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| 135 | public function testExpiredToken()  | 
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| 136 |     { | 
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| 137 | $jwt = $this->object->createJwtData($this->dataToToken,1);  | 
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| 138 | $token = $this->object->generateToken($jwt);  | 
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| 139 | |||
| 140 | sleep(2);  | 
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| 141 | |||
| 142 | $this->object->extractData($token);  | 
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| 143 | }  | 
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| 144 | |||
| 145 | /**  | 
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| 146 | * @throws \ByJG\Util\JwtWrapperException  | 
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| 147 | * @expectedException \Firebase\JWT\BeforeValidException  | 
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| 148 | */  | 
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| 149 | public function testNotBeforeToken()  | 
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| 150 |     { | 
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| 151 | $jwt = $this->object->createJwtData($this->dataToToken,60, 60);  | 
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| 152 | $token = $this->object->generateToken($jwt);  | 
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| 153 | |||
| 154 | $this->object->extractData($token);  | 
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| 155 | }  | 
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| 156 | |||
| 157 | /**  | 
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| 158 | * @throws \ByJG\Util\JwtWrapperException  | 
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| 159 | * @expectedException \ByJG\Util\JwtWrapperException  | 
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| 160 | */  | 
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| 161 | public function testGetEmptyAuthorizationBearer()  | 
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| 162 |     { | 
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| 163 | $this->object->extractData();  | 
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| 164 | }  | 
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| 165 | |||
| 166 | /**  | 
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| 167 | * @throws \ByJG\Util\JwtWrapperException  | 
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| 168 | * @expectedException UnexpectedValueException  | 
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| 169 | */  | 
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| 170 | public function testGetInvalidTokenSequence()  | 
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| 171 |     { | 
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| 172 |         $this->object->extractData("invalidtoken"); | 
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| 173 | }  | 
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| 174 | |||
| 175 | /**  | 
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| 176 | * @throws \ByJG\Util\JwtWrapperException  | 
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| 177 | * @expectedException DomainException  | 
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| 178 | */  | 
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| 179 | public function testGetInvalidToken()  | 
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| 180 |     { | 
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| 181 |         $this->object->extractData("invalidtoken.hasthree.parts"); | 
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| 182 | }  | 
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| 183 | }  | 
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| 184 |