added cleanup test and test-re-runner automation script

tests/test_cleanup.py

@@ -0,0 +1,40 @@
+#!/usr/bin/env python3
+import sys, os
+sys.path.append(".")
+sys.path.append("src/")
+import uuid
+TEST_DIR = 'testdata/%s-%s' % (uuid.uuid4(), os.path.basename(__file__)) + '/'
+print("Test directory:", TEST_DIR)
+os.environ["ONIONR_HOME"] = TEST_DIR
+import unittest, json
+
+from utils import identifyhome, createdirs
+createdirs.create_dirs()
+from etc.cleanup import delete_run_files
+import filepaths
+
+
+run_file_paths = [
+    filepaths.public_API_host_file,
+    filepaths.private_API_host_file,
+    filepaths.daemon_mark_file,
+    filepaths.lock_file]
+
+def _run_paths_exist():
+    for f in run_file_paths:
+        if not os.path.exists(f):
+            return False
+    return True
+
+class TestDeleteRunFiles(unittest.TestCase):
+    def test_delete_run_files(self):
+        for x in run_file_paths:
+            with open(x, 'w') as f:
+                f.write("")
+        self.assertTrue(_run_paths_exist())
+        delete_run_files()
+        self.assertFalse(_run_paths_exist())
+
+
+
+unittest.main()