On 18/07/2025 13.04, Manos Pitsidianakis wrote:
Add CLI argument to list tests and exit.

Example output (current dir is build directory under root dir):

   $ export PYTHONPATH=../python:../tests/functional
   $ export QEMU_TEST_QEMU_BINARY="$(pwd)/qemu-system-aarch64"
   $ ./pyvenv/bin/python3 ../tests/functional/test_aarch64_virt.py --list-tests
   test_aarch64_virt_gicv2 
(test_aarch64_virt.Aarch64VirtMachine.test_aarch64_virt_gicv2)
   test_aarch64_virt_gicv3 
(test_aarch64_virt.Aarch64VirtMachine.test_aarch64_virt_gicv3)
   test_alpine_virt_tcg_gic_max 
(test_aarch64_virt.Aarch64VirtMachine.test_alpine_virt_tcg_gic_max)

Signed-off-by: Manos Pitsidianakis <manos.pitsidiana...@linaro.org>
---
  tests/functional/qemu_test/testcase.py | 16 ++++++++++++----
  1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/tests/functional/qemu_test/testcase.py 
b/tests/functional/qemu_test/testcase.py
index 
9b00c63e6ca7a2a669fd456f1d1b51501ce4a726..bfee6638edf6f9853ead1e3809ae3c9152089406
 100644
--- a/tests/functional/qemu_test/testcase.py
+++ b/tests/functional/qemu_test/testcase.py
@@ -50,6 +50,11 @@ def parse_args(test_name: str) -> argparse.Namespace:
          "This is equivalent to setting QEMU_TEST_KEEP_SCRATCH=1 in the "
          "environment.",
      )
+    parser.add_argument(
+        "--list-tests",
+        action="store_true",
+        help="List all tests that would be executed and exit.",
+    )
      return parser.parse_args()
@@ -280,10 +285,13 @@ def tearDown(self): def main():
          path = os.path.basename(sys.argv[0])[:-3]
-        # If argparse receives --help or an unknown argument, it will raise a
-        # SystemExit which will get caught by the test runner. Parse the
-        # arguments here too to handle that case.
-        parse_args(path)
+        args = parse_args(path)

As mentioned for the initial --debug patch already: How's about changing that "args" into a class variable instead and get rid of the parse_args() in the setUp() function?

 Thomas

+        if args.list_tests:
+            loader = unittest.TestLoader()
+            for test_suite in loader.loadTestsFromName(path):
+                for test in test_suite:
+                    print(test)
+            return
cache = os.environ.get("QEMU_TEST_PRECACHE", None)
          if cache is not None:



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