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selftests: tc-testing: fix list_categories() crash on list type

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list_categories() builds a set directly from the 'category'
field of each test case. Since 'category' is a list,
set(map(...)) attempts to insert lists into a set, which
raises:

  TypeError: unhashable type: 'list'

Flatten category lists and collect unique category names
using set.update() instead.

Signed-off-by: Naveen Anandhan <mr.navi8680@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Naveen Anandhan 2026-02-28 13:17:35 +05:30 • committed by David S. Miller
parent 46d0d6f50d
commit fbdfa8da05
1 changed files with 7 additions and 3 deletions
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10
tools/testing/selftests/tc-testing/tdc_helper.py
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@ -38,10 +38,14 @@ def list_test_cases(testlist):
def list_categories(testlist):
""" Show all categories that are present in a test case file. """
categories = set(map(lambda x: x['category'], testlist))
"""Show all unique categories present in the test cases."""
categories = set()
for t in testlist:
if 'category' in t:
categories.update(t['category'])
print("Available categories:")
print(", ".join(str(s) for s in categories))
print(", ".join(sorted(categories)))
print("")