PHPLIB-133: Support typeMap option in FindOne

src/Operation/FindOne.php

@@ -3,6 +3,7 @@
 namespace MongoDB\Operation;
 
 use MongoDB\Driver\Server;
+use MongoDB\Exception\InvalidArgumentTypeException;
 
 /**
  * Operation for finding a single document with the find command.
@@ -15,6 +16,7 @@ use MongoDB\Driver\Server;
 class FindOne implements Executable
 {
     private $find;
+    private $options;
 
     /**
      * Constructs a find command for finding a single document.
@@ -42,6 +44,8 @@ class FindOne implements Executable
      *    "$orderby" also exists in the modifiers document, this option will
      *    take precedence.
      *
+     *  * typeMap (array): Type map for BSON deserialization.
+     *
      * @param string       $databaseName   Database name
      * @param string       $collectionName Collection name
      * @param array|object $filter         Query by which to filter documents
@@ -50,12 +54,18 @@ class FindOne implements Executable
      */
     public function __construct($databaseName, $collectionName, $filter, array $options = array())
     {
+        if (isset($options['typeMap']) && ! is_array($options['typeMap'])) {
+            throw new InvalidArgumentTypeException('"typeMap" option', $options['typeMap'], 'array');
+        }
+
         $this->find = new Find(
             $databaseName,
             $collectionName,
             $filter,
             array('limit' => -1) + $options
         );
+
+        $this->options = $options;
     }
 
     /**
@@ -68,6 +78,11 @@ class FindOne implements Executable
     public function execute(Server $server)
     {
         $cursor = $this->find->execute($server);
+
+        if (isset($this->options['typeMap'])) {
+            $cursor->setTypeMap($this->options['typeMap']);
+        }
+
         $document = current($cursor->toArray());
 
         return ($document === false) ? null : $document;

tests/Operation/FindOneFunctionalTest.php

+<?php
+
+namespace MongoDB\Tests\Operation;
+
+use MongoDB\Driver\BulkWrite;
+use MongoDB\Operation\FindOne;
+
+class FindOneFunctionalTest extends FunctionalTestCase
+{
+    /**
+     * @dataProvider provideTypeMapOptionsAndExpectedDocument
+     */
+    public function testTypeMapOption(array $typeMap, $expectedDocument)
+    {
+        $this->createFixtures(1);
+
+        $operation = new FindOne($this->getDatabaseName(), $this->getCollectionName(), [], ['typeMap' => $typeMap]);
+        $document = $operation->execute($this->getPrimaryServer());
+
+        $this->assertEquals($expectedDocument, $document);
+    }
+
+    public function provideTypeMapOptionsAndExpectedDocument()
+    {
+        return [
+            [
+                ['root' => 'array', 'document' => 'array'],
+                ['_id' => 1, 'x' => ['foo' => 'bar']],
+            ],
+            [
+                ['root' => 'object', 'document' => 'array'],
+                (object) ['_id' => 1, 'x' => ['foo' => 'bar']],
+            ],
+            [
+                ['root' => 'array', 'document' => 'stdClass'],
+                ['_id' => 1, 'x' => (object) ['foo' => 'bar']],
+            ],
+        ];
+    }
+
+    /**
+     * Create data fixtures.
+     *
+     * @param integer $n
+     */
+    private function createFixtures($n)
+    {
+        $bulkWrite = new BulkWrite(true);
+
+        for ($i = 1; $i <= $n; $i++) {
+            $bulkWrite->insert([
+                '_id' => $i,
+                'x' => (object) ['foo' => 'bar'],
+            ]);
+        }
+
+        $result = $this->manager->executeBulkWrite($this->getNamespace(), $bulkWrite);
+
+        $this->assertEquals($n, $result->getInsertedCount());
+    }
+}

tests/Operation/FindOneTest.php

+<?php
+
+namespace MongoDB\Tests\Operation;
+
+use MongoDB\Operation\FindOne;
+
+class FindOneTest extends TestCase
+{
+    /**
+     * @expectedException MongoDB\Exception\InvalidArgumentException
+     * @dataProvider provideInvalidConstructorTypeMapOptions
+     */
+    public function testConstructorTypeMapOption($typeMap)
+    {
+        new FindOne($this->getDatabaseName(), $this->getCollectionName(), [], ['typeMap' => $typeMap]);
+    }
+
+    public function provideInvalidConstructorTypeMapOptions()
+    {
+        return $this->wrapValuesForDataProvider($this->getInvalidArrayValues());
+    }
+}

tests/Operation/TestCase.php

@@ -20,6 +20,11 @@ abstract class TestCase extends BaseTestCase
         return $this->wrapValuesForDataProvider($this->getInvalidBooleanValues());
     }
 
+    protected function getInvalidArrayValues()
+    {
+        return array(123, 3.14, 'foo', true, new stdClass);
+    }
+
     protected function getInvalidBooleanValues()
     {
         return array(123, 3.14, 'foo', array(), new stdClass);