From f1418479b5f66c14de56e335752f0d65a84e0501 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Julio=20Cesar=20Laura=20Avenda=C3=B1o?=
 <juliocesar@processmaker.com>
Date: Wed, 19 Aug 2020 13:49:17 +0000
Subject: [PATCH] PMCORE-1801

---
 gulliver/system/class.form.php          |  2 +-
 tests/unit/gulliver/system/FormTest.php | 43 +++++++++++++++++++++++++
 2 files changed, 44 insertions(+), 1 deletion(-)
 create mode 100644 tests/unit/gulliver/system/FormTest.php

diff --git a/gulliver/system/class.form.php b/gulliver/system/class.form.php
index e7acf358f..732275700 100644
--- a/gulliver/system/class.form.php
+++ b/gulliver/system/class.form.php
@@ -767,7 +767,7 @@ class Form extends XmlForm
      */
     public static function createXMLFileIfNotExists($filepath)
     {
-        if (file_exists($filepath)) {
+        if (file_exists($filepath) && filesize($filepath) > 0) {
             return;
         }
         $pathParts = pathinfo($filepath);
diff --git a/tests/unit/gulliver/system/FormTest.php b/tests/unit/gulliver/system/FormTest.php
new file mode 100644
index 000000000..d60ad247b
--- /dev/null
+++ b/tests/unit/gulliver/system/FormTest.php
@@ -0,0 +1,43 @@
+<?php
+
+namespace Tests\unit\gulliver\system;
+
+use Form;
+use G;
+use Tests\TestCase;
+
+class FormTest extends TestCase
+{
+    /**
+     * Test the creation of the XML file if not exists or has no content
+     *
+     * @covers Form::createXMLFileIfNotExists()
+     * @test
+     */
+    public function it_should_test_create_xml_file_if_not_exists()
+    {
+        // Build the file path
+        $xmlForm = PATH_DYNAFORM . G::generateUniqueID() . '/' . G::generateUniqueID() . '.xml';
+
+        // The file doesn't exists, so, should be created
+        Form::createXMLFileIfNotExists($xmlForm);
+
+        // File created?
+        $this->assertFileExists($xmlForm);
+
+        // File with content?
+        $this->assertNotEmpty(file_get_contents($xmlForm));
+
+        // Delete the file
+        unlink($xmlForm);
+
+        // Create another empty
+        touch($xmlForm);
+
+        // The file exists, but is empty, should be regenerated
+        Form::createXMLFileIfNotExists($xmlForm);
+
+        // File with content?
+        $this->assertNotEmpty(file_get_contents($xmlForm));
+    }
+}