HashServiceTest.php

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<?php
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*  (c) 2009 Sebastian Kurfürst <sebastian@typo3.org>
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/**
 * Testcase for the Hash Service
 *
 * @version $Id: HashService_testcase.php 1729 2009-11-25 21:37:20Z stucki $
 * @license http://www.gnu.org/licenses/lgpl.html GNU Lesser Public License, version 3 or later
 */
class Tx_Extbase_Tests_Unit_Security_Cryptography_HashServiceTest extends Tx_Extbase_Tests_Unit_BaseTestCase {

    protected $hashService;

    public function setUp() {
        $this->hashService = new Tx_Extbase_Security_Cryptography_HashService();
    }

    /**
     * @test
     * @author Sebastian Kurfürst
     */
    public function generateHashReturnsHashStringIfStringIsGiven() {
        $hash = $this->hashService->generateHash('asdf');
        $this->assertTrue(is_string($hash));
    }

    /**
     * @test
     * @author Sebastian Kurfürst
     */
    public function generateHashReturnsHashStringWhichContainsSomeSalt() {
        $hash = $this->hashService->generateHash('asdf');
        $this->assertNotEquals(sha1('asdf'), $hash);
    }

    /**
     * @test
     * @author Sebastian Kurfürst
     */
    public function generateHashReturnsDifferentHashStringsForDifferentInputStrings() {
        $hash1 = $this->hashService->generateHash('asdf');
        $hash2 = $this->hashService->generateHash('blubb');
        $this->assertNotEquals($hash1, $hash2);
    }

    /**
     * @test
     * @expectedException Tx_Extbase_Security_Exception_InvalidArgumentForHashGeneration
     * @author Sebastian Kurfürst
     */
    public function generateHashThrowsExceptionIfNoStringGiven() {
        $hash = $this->hashService->generateHash(NULL);
    }

    /**
     * @test
     * @author Sebastian Kurfürst <sebastian@typo3.org>
     */
    public function generatedHashCanBeValidatedAgain() {
        $string = 'asdf';
        $hash = $this->hashService->generateHash($string);
        $this->assertTrue($this->hashService->validateHash($string, $hash));
    }

    /**
     * @test
     * @author Sebastian Kurfürst <sebastian@typo3.org>
     */
    public function generatedHashWillNotBeValidatedIfHashHasBeenChanged() {
        $string = 'asdf';
        $hash = 'myhash';
        $this->assertFalse($this->hashService->validateHash($string, $hash));
    }
}
?>