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author | Ned Batchelder <ned@nedbatchelder.com> | 2015-04-25 09:31:06 -0400 |
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committer | Ned Batchelder <ned@nedbatchelder.com> | 2015-04-25 09:31:06 -0400 |
commit | 9cb10daca96cd61bb4c7afdd4affb6c878e22245 (patch) | |
tree | 51f1bbc65c91c961763b4d2fc88480003bcb5b9b /tests/test_testing.py | |
parent | 087da3175829f5fdb0db0c372872b905304cda55 (diff) | |
download | python-coveragepy-git-9cb10daca96cd61bb4c7afdd4affb6c878e22245.tar.gz |
Refactor datetime recency testing into a tested test helper
Diffstat (limited to 'tests/test_testing.py')
-rw-r--r-- | tests/test_testing.py | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/test_testing.py b/tests/test_testing.py index 75db7e50..08ff257d 100644 --- a/tests/test_testing.py +++ b/tests/test_testing.py @@ -1,6 +1,7 @@ # -*- coding: utf-8 -*- """Tests that our test infrastructure is really working!""" +import datetime import os import sys @@ -80,6 +81,27 @@ class CoverageTestTest(CoverageTest): with self.assertRaises(AssertionError): self.assert_starts_with("xyz\nabc", "a") + def test_assert_recent_datetime(self): + def now_delta(seconds): + """Make a datetime `seconds` seconds from now.""" + return datetime.datetime.now() + datetime.timedelta(seconds=seconds) + + # Default delta is 10 seconds. + self.assert_recent_datetime(now_delta(0)) + self.assert_recent_datetime(now_delta(-9)) + with self.assertRaises(AssertionError): + self.assert_recent_datetime(now_delta(-11)) + with self.assertRaises(AssertionError): + self.assert_recent_datetime(now_delta(1)) + + # Delta is settable. + self.assert_recent_datetime(now_delta(0), seconds=120) + self.assert_recent_datetime(now_delta(-100), seconds=120) + with self.assertRaises(AssertionError): + self.assert_recent_datetime(now_delta(-1000), seconds=120) + with self.assertRaises(AssertionError): + self.assert_recent_datetime(now_delta(1), seconds=120) + def test_sub_python_is_this_python(self): # Try it with a Python command. os.environ['COV_FOOBAR'] = 'XYZZY' |