diff --git a/run_tests.py b/run_tests.py
old mode 100644
new mode 100755
index ddee4fd255619f7f1013cf83d04f264a9334602d..6e809a439e38ceacded74b2b4a039e1b6e610957
--- a/run_tests.py
+++ b/run_tests.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python
 import unittest
 
 #Run all tests
diff --git a/src/workflow.py b/src/workflow.py
index 5961369e431f3952c394d699c9eb81fb3f4055c4..3e0423240ba6667f808e885709a6ac363fac1256 100644
--- a/src/workflow.py
+++ b/src/workflow.py
@@ -6,6 +6,7 @@ from . import constant
 import os
 import re
 import json
+from pathlib import Path
 
 
 class Workflow:
@@ -14,7 +15,13 @@ class Workflow:
                  license = None, creativeWorkStatus = None, authors = None, 
                  version = None, keywords = None, producer = None,
                  publisher = None):
-        self.nextflow_file = Nextflow_File(file, duplicate = duplicate, display_info = display_info)
+        self.nextflow_file = Nextflow_File(
+            file,
+            duplicate=duplicate,
+            display_info=display_info,
+            output_dir=output_dir
+        )
+        self.output_dir = Path(output_dir)
         self.rocrate = None
         self.name = name
         self.datePublished = datePublished
diff --git a/tests/test_cli.py b/tests/test_cli.py
new file mode 100644
index 0000000000000000000000000000000000000000..04db2ce966d32132ac378841734805890bc444a4
--- /dev/null
+++ b/tests/test_cli.py
@@ -0,0 +1,20 @@
+import pathlib
+import unittest
+from tempfile import TemporaryDirectory
+
+from bioflow_insight_cli.main import cli
+
+
+class TestCall(unittest.TestCase):
+
+    def test_cli_works(self):
+        cli("./wf_test/main.nf", render_graphs=True)
+        cli("./wf_test/main.nf", render_graphs=False)
+
+    def test_cli_output_considered(self):
+        with TemporaryDirectory() as my_temp_dir:
+            my_results = pathlib.Path(my_temp_dir) / "my_results"
+            self.assertFalse(my_results.exists())
+            cli("./wf_test/main.nf", render_graphs=False, output_dir=str(my_results))
+            self.assertTrue(my_results.exists(), "Results should be there, output_dir not taken into account")
+