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-rw-r--r--tests/unittests/test_util.py10
1 files changed, 10 insertions, 0 deletions
diff --git a/tests/unittests/test_util.py b/tests/unittests/test_util.py
index 95990165..0a986fec 100644
--- a/tests/unittests/test_util.py
+++ b/tests/unittests/test_util.py
@@ -385,6 +385,16 @@ class TestReadDMIData(helpers.FilesystemMockingTestCase):
self.patch_mapping({})
self.assertEqual(None, util.read_dmi_data('expect-fail'))
+ def test_dots_returned_instead_of_foxfox(self):
+ # uninitialized dmi values show as \xff, return those as .
+ my_len = 32
+ dmi_value = b'\xff' * my_len + b'\n'
+ expected = '.' * my_len
+ dmi_key = 'system-product-name'
+ sysfs_key = 'product_name'
+ self._create_sysfs_file(sysfs_key, dmi_value)
+ self.assertEqual(expected, util.read_dmi_data(dmi_key))
+
class TestMultiLog(helpers.FilesystemMockingTestCase):