Merge ca57472 into ac60f99

freezegun/api.py

@@ -3,6 +3,7 @@
 import inspect
 import sys
 import time
+import uuid
 import calendar
 import unittest
 import platform
@@ -18,6 +19,16 @@
 real_date = datetime.date
 real_datetime = datetime.datetime
 
+try:
+    real_uuid_generate_time = uuid._uuid_generate_time
+except ImportError:
+    real_uuid_generate_time = None
+
+try:
+    real_uuid_create = uuid._UuidCreate
+except ImportError:
+    real_uuid_create = None
+
 try:
     import copy_reg as copyreg
 except ImportError:
@@ -373,6 +384,8 @@ def start(self):
         time.localtime = fake_localtime
         time.gmtime = fake_gmtime
         time.strftime = fake_strftime
+        uuid._uuid_generate_time = None
+        uuid._UuidCreate = None
 
         copyreg.dispatch_table[real_datetime] = pickle_fake_datetime
         copyreg.dispatch_table[real_date] = pickle_fake_date
@@ -473,6 +486,9 @@ def stop(self):
         time.localtime = time.localtime.previous_localtime_function
         time.strftime = time.strftime.previous_strftime_function
 
+        uuid._uuid_generate_time = real_uuid_generate_time
+        uuid._UuidCreate = real_uuid_create
+
     def decorate_callable(self, func):
         def wrapper(*args, **kwargs):
             with self:

tests/test_uuid.py

@@ -0,0 +1,24 @@
+import datetime
+import uuid
+
+from freezegun import freeze_time
+
+
+def time_from_uuid(value):
+    """Converts an UUID(1) to it's datetime value"""
+    uvalue = value if isinstance(value, uuid.UUID) else uuid.UUID(value)
+
+    assert uvalue.version == 1
+
+    return (datetime.datetime(1582, 10, 15) +
+            datetime.timedelta(microseconds=uvalue.time // 10))
+
+def test_uuid1():
+    # Test that the uuid.uuid1() methods generate a value from the freezed date
+    # This was not always the case as python is
+    # using the system's one if available through ctypes
+    target = datetime.datetime(2017, 2, 6, 14, 8, 21)
+
+    with freeze_time(target):
+        assert time_from_uuid(uuid.uuid1()) == target
+