| /** |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. See accompanying LICENSE file. |
| */ |
| package org.apache.hadoop.security.authentication.util; |
| |
| import junit.framework.TestCase; |
| |
| public class TestSigner extends TestCase { |
| |
| public void testNoSecret() throws Exception { |
| try { |
| new Signer(null); |
| fail(); |
| } |
| catch (IllegalArgumentException ex) { |
| } |
| } |
| |
| public void testNullAndEmptyString() throws Exception { |
| Signer signer = new Signer("secret".getBytes()); |
| try { |
| signer.sign(null); |
| fail(); |
| } catch (IllegalArgumentException ex) { |
| // Expected |
| } catch (Throwable ex) { |
| fail(); |
| } |
| try { |
| signer.sign(""); |
| fail(); |
| } catch (IllegalArgumentException ex) { |
| // Expected |
| } catch (Throwable ex) { |
| fail(); |
| } |
| } |
| |
| public void testSignature() throws Exception { |
| Signer signer = new Signer("secret".getBytes()); |
| String s1 = signer.sign("ok"); |
| String s2 = signer.sign("ok"); |
| String s3 = signer.sign("wrong"); |
| assertEquals(s1, s2); |
| assertNotSame(s1, s3); |
| } |
| |
| public void testVerify() throws Exception { |
| Signer signer = new Signer("secret".getBytes()); |
| String t = "test"; |
| String s = signer.sign(t); |
| String e = signer.verifyAndExtract(s); |
| assertEquals(t, e); |
| } |
| |
| public void testInvalidSignedText() throws Exception { |
| Signer signer = new Signer("secret".getBytes()); |
| try { |
| signer.verifyAndExtract("test"); |
| fail(); |
| } catch (SignerException ex) { |
| // Expected |
| } catch (Throwable ex) { |
| fail(); |
| } |
| } |
| |
| public void testTampering() throws Exception { |
| Signer signer = new Signer("secret".getBytes()); |
| String t = "test"; |
| String s = signer.sign(t); |
| s += "x"; |
| try { |
| signer.verifyAndExtract(s); |
| fail(); |
| } catch (SignerException ex) { |
| // Expected |
| } catch (Throwable ex) { |
| fail(); |
| } |
| } |
| |
| } |