diff --git a/lib/xos-genx/tests/helpers.py b/lib/xos-genx/tests/helpers.py
new file mode 100644
index 0000000..02877a3
--- /dev/null
+++ b/lib/xos-genx/tests/helpers.py
@@ -0,0 +1,20 @@
+import os
+
+# Constants
+OUTPUT_DIR = os.path.abspath(os.path.dirname(os.path.realpath(__file__)) + "/out/")
+
+TMP_TARGET_PATH = os.path.join(OUTPUT_DIR, 'tmp.xtarget')
+
+# Store in this class the args to pass at the generator
+class FakeArgs:
+    pass
+
+class XProtoTestHelpers:
+
+    @staticmethod
+    def write_tmp_target(target):
+        tmp_file = open(TMP_TARGET_PATH, 'w')
+        tmp_file.write(target)
+        tmp_file.close()
+        return TMP_TARGET_PATH
+