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-rw-r--r--unittests/baseplatformtests.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/unittests/baseplatformtests.py b/unittests/baseplatformtests.py
index 9ab808394..b3572df76 100644
--- a/unittests/baseplatformtests.py
+++ b/unittests/baseplatformtests.py
@@ -484,3 +484,6 @@ class BasePlatformTests(TestCase):
def assertPathDoesNotExist(self, path):
m = f'Path {path!r} should not exist'
self.assertFalse(os.path.exists(path), msg=m)
+
+ def assertLength(self, val, length):
+ assert len(val) == length, f'{val} is not length {length}'