1 files changed, 61 insertions, 0 deletions
diff --git a/modules/simpletest/tests/password.test b/modules/simpletest/tests/password.test
new file mode 100644
index 000000000..20e77f28d
--- /dev/null
+++ b/modules/simpletest/tests/password.test
@@ -0,0 +1,61 @@
+<?php
+// $Id$
+
+/**
+ * @file
+ * Provides unit tests for password.inc.
+ */
+
+/**
+ * Unit tests for password hashing API.
+ */
+class PasswordHashingTest extends DrupalWebTestCase {
+  protected $profile = 'testing';
+
+  public static function getInfo() {
+    return array(
+      'name' => 'Password hashing',
+      'description' => 'Password hashing unit tests.',
+      'group' => 'System',
+    );
+  }
+
+  function setUp() {
+    require_once DRUPAL_ROOT . '/' . variable_get('password_inc', 'includes/password.inc');
+    parent::setUp();
+  }
+
+  /**
+   * Test password hashing.
+   */
+  function testPasswordHashing() {
+    // Set a log2 iteration count that is deliberately out of bounds to test
+    // that it is corrected to be within bounds.
+    variable_set('password_count_log2', 1);
+    // Set up a fake $account with a password 'baz', hashed with md5.
+    $password = 'baz';
+    $account = (object) array('name' => 'foo', 'pass' => md5($password));
+    // The md5 password should be flagged as needing an update.
+    $this->assertTrue(user_needs_new_hash($account), t('User with md5 password needs a new hash.'));
+    // Re-hash the password.
+    $old_hash = $account->pass;
+    $account->pass = user_hash_password($password);
+    $this->assertIdentical(_password_get_count_log2($account->pass), DRUPAL_MIN_HASH_COUNT, t('Re-hashed password has the minimum number of log2 iterations.'));
+    $this->assertTrue($account->pass != $old_hash, t('Password hash changed.'));
+    $this->assertTrue(user_check_password($password, $account), t('Password check succeeds.'));
+    // Since the log2 setting hasn't changed and the user has a valid password,
+    // user_needs_new_hash() should return FALSE.
+    $this->assertFalse(user_needs_new_hash($account), t('User does not need a new hash.'));
+    // Increment the log2 iteration to MIN + 1.
+    variable_set('password_count_log2', DRUPAL_MIN_HASH_COUNT + 1);
+    $this->assertTrue(user_needs_new_hash($account), t('User needs a new hash after incrementing the log2 count.'));
+    // Re-hash the password.
+    $old_hash = $account->pass;
+    $account->pass = user_hash_password($password);
+    $this->assertIdentical(_password_get_count_log2($account->pass), DRUPAL_MIN_HASH_COUNT + 1, t('Re-hashed password has the correct number of log2 iterations.'));
+    $this->assertTrue($account->pass != $old_hash, t('Password hash changed again.'));
+    // Now the hash should be OK.
+    $this->assertFalse(user_needs_new_hash($account), t('Re-hashed password does not need a new hash.'));
+    $this->assertTrue(user_check_password($password, $account), t('Password check succeeds with re-hashed password.'));
+  }
+}