fix: Prevent query->count from changing query internals (#511)

Author: dplewis

src/Parse/ParseQuery.php

@@ -586,9 +586,10 @@ public function count($useMasterKey = false)
         if (ParseUser::getCurrentUser()) {
             $sessionToken = ParseUser::getCurrentUser()->getSessionToken();
         }
-        $this->limit = 0;
-        $this->count = 1;
-        $queryString = $this->buildQueryString($this->_getOptions());
+        $queryParams = $this->_getOptions();
+        $queryParams['limit'] = 0;
+        $queryParams['count'] = 1;
+        $queryString = $this->buildQueryString($queryParams);
         $result = ParseClient::_request(
             'GET',
             'classes/'.$this->className.'?'.$queryString,

tests/Parse/ParseQueryTest.php

@@ -2654,8 +2654,8 @@ public function testGetAndSetConditions()
         $query->select(['select1','select2']);
         $query->skip(24);
 
-        // sets count = 1 and limit = 0
-        $query->count();
+        // sets count = 1
+        $query->withCount();
         // reset limit up to 42
         $query->limit(42);
 
@@ -2695,6 +2695,45 @@ public function testGetAndSetConditions()
         );
     }
 
+    /**
+     * @group query-count-conditions
+     */
+    public function testCountDoesNotOverrideConditions()
+    {
+        $obj = new ParseObject('TestObject');
+        $obj->set('name', 'John');
+        $obj->set('country', 'US');
+        $obj->save();
+
+        $obj = new ParseObject('TestObject');
+        $obj->set('name', 'Bob');
+        $obj->set('country', 'US');
+        $obj->save();
+
+        $obj = new ParseObject('TestObject');
+        $obj->set('name', 'Mike');
+        $obj->set('country', 'CA');
+        $obj->save();
+
+        $query = new ParseQuery('TestObject');
+        $query->equalTo('country', 'US');
+        $query->limit(1);
+        $count = $query->count();
+        $results = $query->find();
+
+        $this->assertEquals(1, count($results));
+        $this->assertEquals(2, $count);
+
+        $this->assertSame([
+            'where' => [
+                'country' => [
+                    '$eq' => 'US'
+                ]
+            ],
+            'limit' => 1,
+        ], $query->_getOptions());
+    }
+
     public function testNotArrayConditions()
     {
         $this->expectException(
@@ -2770,8 +2809,6 @@ public function testEqualToWithSameKeyDoesNotOverrideOtherConditions()
                     '$eq' => 'bar',
                 ]
             ],
-            'limit' => 0,
-            'count' => 1,
         ], $query->_getOptions());
     }
 }