Allow running a specific functional test via CLI

Change-Id: I5897d8121b7cc992d64f948f73f1f846615f6e46

ironic_inspector/test/functional.py

@@ -18,6 +18,7 @@ import copy
 import datetime
 import json
 import os
+import sys
 import tempfile
 import time
 import unittest
@@ -798,5 +799,10 @@ def mocked_server():
 
 
 if __name__ == '__main__':
+    if len(sys.argv) > 1:
+        test_name = sys.argv[1]
+    else:
+        test_name = None
+
     with mocked_server():
-        unittest.main(verbosity=2)
+        unittest.main(verbosity=2, defaultTest=test_name)

tox.ini

@@ -52,12 +52,12 @@ commands =
 [testenv:functional]
 basepython = python2.7
 commands =
-    python -m ironic_inspector.test.functional
+    python -m ironic_inspector.test.functional {posargs}
 
 [testenv:functional-py36]
 basepython = python3
 commands =
-    python3 -m ironic_inspector.test.functional
+    python3 -m ironic_inspector.test.functional {posargs}
 
 [testenv:genconfig]
 basepython = python3