[CORD-1440] Moving the generative toolchain in a library

Change-Id: Ifa8e8f930ac34e1f8952099b7e34842a52f4664d
diff --git a/lib/xos-genx/tests/test_cli.py b/lib/xos-genx/tests/test_cli.py
new file mode 100644
index 0000000..af21253
--- /dev/null
+++ b/lib/xos-genx/tests/test_cli.py
@@ -0,0 +1,39 @@
+import unittest
+import os
+from mock import patch
+from xosgenx.xosgen import XosGen
+
+class Args:
+    pass
+
+class XOSGeneratorTest(unittest.TestCase):
+    """
+    Testing the CLI binding for the XOS Generative Toolchain
+    """
+
+    def test_generator(self):
+        """
+        [XOS-GenX] The CLI entry point should correctly parse params
+        """
+        args = Args()
+        args.files = ['tests/xproto/test.xproto']
+        args.target = 'tests/xtarget/test.xtarget'
+        args.output = 'tests/out/dir/'
+        args.write_to_file = "target"
+        args.dest_file = None
+        args.dest_extension = None
+
+        expected_args = Args()
+        expected_args.files = [os.path.abspath(os.getcwd() + '/' + args.files[0])]
+        expected_args.target = os.path.abspath(os.getcwd() + '/' + args.target)
+        expected_args.output = os.path.abspath(os.getcwd() + '/' + args.output)
+
+        with patch("xosgenx.xosgen.XOSGenerator.generate") as generator:
+            XosGen.init(args)
+            actual_args = generator.call_args[0][0]
+            self.assertEqual(actual_args.files, expected_args.files)
+            self.assertEqual(actual_args.target, expected_args.target)
+            self.assertEqual(actual_args.output, expected_args.output)
+
+if __name__ == '__main__':
+    unittest.main()
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