fix table lock hints on SQL Anywhere

lib/Doctrine/DBAL/Platforms/SQLAnywherePlatform.php

@@ -60,26 +60,22 @@ class SQLAnywherePlatform extends AbstractPlatform
 
     /**
      * {@inheritdoc}
-     *
-     * @throws \InvalidArgumentException
      */
     public function appendLockHint($fromClause, $lockMode)
     {
         switch (true) {
             case $lockMode === LockMode::NONE:
-                $lockClause = ' WITH (NOLOCK)';
-                break;
+                return $fromClause . ' WITH (NOLOCK)';
+
             case $lockMode === LockMode::PESSIMISTIC_READ:
-                $lockClause = ' WITH (UPDLOCK)';
-                break;
+                return $fromClause . ' WITH (UPDLOCK)';
+
             case $lockMode === LockMode::PESSIMISTIC_WRITE:
-                $lockClause = ' WITH (XLOCK)';
-                break;
+                return $fromClause . ' WITH (XLOCK)';
+
             default:
-                throw new \InvalidArgumentException('Invalid lock mode: ' . $lockMode);
+                return $fromClause;
         }
-
-        return $fromClause . $lockClause;
     }
 
     /**

tests/Doctrine/Tests/DBAL/Platforms/SQLAnywherePlatformTest.php

@@ -220,29 +220,28 @@ class SQLAnywherePlatformTest extends AbstractPlatformTestCase
         );
     }
 
-    public function testAppendsLockHints()
+    /**
+     * @dataProvider getLockHints
+     */
+    public function testAppendsLockHint($lockMode, $lockHint)
     {
-        $fromClause = 'SELECT * FROM lock_hints';
+        $fromClause = 'FROM users';
+        $expectedResult = $fromClause . $lockHint;
 
-        $this->assertEquals(
-            $fromClause . ' WITH (NOLOCK)',
-            $this->_platform->appendLockHint($fromClause, LockMode::NONE)
-        );
-        $this->assertEquals(
-            $fromClause . ' WITH (UPDLOCK)',
-            $this->_platform->appendLockHint($fromClause, LockMode::PESSIMISTIC_READ)
-        );
-        $this->assertEquals(
-            $fromClause . ' WITH (XLOCK)',
-            $this->_platform->appendLockHint($fromClause, LockMode::PESSIMISTIC_WRITE)
-        );
+        $this->assertSame($expectedResult, $this->_platform->appendLockHint($fromClause, $lockMode));
     }
 
-    public function testCannotAppendInvalidLockHint()
+    public function getLockHints()
     {
-        $this->setExpectedException('\InvalidArgumentException');
-
-        $this->_platform->appendLockHint('SELECT * FROM lock_hints', 'invalid_lock_mode');
+        return array(
+            array(null, ''),
+            array(false, ''),
+            array(true, ''),
+            array(LockMode::NONE, ' WITH (NOLOCK)'),
+            array(LockMode::OPTIMISTIC, ''),
+            array(LockMode::PESSIMISTIC_READ, ' WITH (UPDLOCK)'),
+            array(LockMode::PESSIMISTIC_WRITE, ' WITH (XLOCK)'),
+        );
     }
 
     public function testHasCorrectMaxIdentifierLength()