bumped min python version to 3.7, added upload sessions to use in preventing infinite upload fails

tests/test_peerprofiles.py

@@ -52,7 +52,7 @@ class TestPeerProfiles(unittest.TestCase):
             p.addScore(1)
             self.assertEqual(p.score, keydb.transportinfo.get_address_info(p.address, 'success'))
 
-    def test_inc_score_with_sync_Delay(self):
+    def test_inc_score_with_sync_delay(self):
         p = peerprofiles.PeerProfiles(test_peers.pop())
         s = 0
         for x in range(2):

tests/test_upload_session.py

@@ -0,0 +1,36 @@
+#!/usr/bin/env python3
+import sys, os
+sys.path.append(".")
+sys.path.append("onionr/")
+import unittest, uuid
+TEST_DIR = 'testdata/%s-%s' % (uuid.uuid4(), os.path.basename(__file__)) + '/'
+print("Test directory:", TEST_DIR)
+os.environ["ONIONR_HOME"] = TEST_DIR
+import hashlib
+from communicatorutils import uploadblocks
+
+def hash_generator():
+    hasher = hashlib.sha3_256()
+    hasher.update(os.urandom(15))
+    return hasher.hexdigest()
+
+test_hashes = []
+for x in range(100): test_hashes.append(hash_generator())
+
+class UploadSessionTest(unittest.TestCase):
+    def test_init_fail(self):
+        s = test_hashes.pop()
+        s = uploadblocks.session.UploadSession(s)
+        self.assertEqual(s.total_fail_count, 0)
+
+    def test_init_success(self):
+        s = test_hashes.pop()
+        s = uploadblocks.session.UploadSession(s)
+        self.assertEqual(s.total_success_count, 0)
+
+    def test_invalid(self):
+        invalid = [None, 1, -1, 0, 'ab43c5b8c7b9b037d4f02fa6bc77dbb522bfcbcd7e8ea2953bf2252c6e9232a8b', lambda: None, True, False]
+        for x in invalid:
+            self.assertRaises((ValueError, AttributeError), uploadblocks.session.UploadSession, x)
+
+unittest.main()