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[PULL,06/19] qemu-iotests: allow passing unittest.main arguments to the test scripts

Message ID 20210514164514.1057680-7-mreitz@redhat.com
State New
Headers show
Series [PULL,01/19] iotests/231: Update expected deprecation message | expand

Commit Message

Max Reitz May 14, 2021, 4:45 p.m. UTC
From: Paolo Bonzini <pbonzini@redhat.com>

Python test scripts that use unittest consist of multiple tests.
unittest.main allows selecting which tests to run, but currently this
is not possible because the iotests wrapper ignores sys.argv.

unittest.main command line options also allow the user to pick the
desired options for verbosity, failfast mode, etc.  While "-d" is
currently translated to "-v", it also enables extra debug output,
and other options are not available at all.

These command line options only work if the unittest.main testRunner
argument is a type, rather than a TestRunner instance.  Therefore, pass
the class name and "verbosity" argument to unittest.main, and adjust for
the different default warnings between TextTestRunner and unittest.main.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Tested-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Message-Id: <20210323181928.311862-3-pbonzini@redhat.com>
Message-Id: <20210503110110.476887-3-pbonzini@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
 tests/qemu-iotests/iotests.py | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)
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diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py
index 55a017577f..5ead94229f 100644
--- a/tests/qemu-iotests/iotests.py
+++ b/tests/qemu-iotests/iotests.py
@@ -1308,12 +1308,16 @@  def __init__(self, stream: Optional[TextIO] = None,
-def execute_unittest(debug=False):
+def execute_unittest(argv: List[str], debug: bool = False) -> None:
     """Executes unittests within the calling module."""
-    verbosity = 2 if debug else 1
-    runner = ReproducibleTestRunner(verbosity=verbosity)
-    unittest.main(testRunner=runner)
+    # Some tests have warnings, especially ResourceWarnings for unclosed
+    # files and sockets.  Ignore them for now to ensure reproducibility of
+    # the test output.
+    unittest.main(argv=argv,
+                  testRunner=ReproducibleTestRunner,
+                  verbosity=2 if debug else 1,
+                  warnings=None if sys.warnoptions else 'ignore')
 def execute_setup_common(supported_fmts: Sequence[str] = (),
                          supported_platforms: Sequence[str] = (),
@@ -1350,7 +1354,7 @@  def execute_test(*args, test_function=None, **kwargs):
     debug = execute_setup_common(*args, **kwargs)
     if not test_function:
-        execute_unittest(debug)
+        execute_unittest(sys.argv, debug)