[PATCH] pytest: Shorten traceback length by default

Simon Glass sjg at chromium.org
Wed Oct 6 04:18:00 CEST 2021

This produces a lot of code output which is not very helpful and is quite
annoying to wade through. Use the short format by default.

Signed-off-by: Simon Glass <sjg at chromium.org>

 doc/develop/py_testing.rst | 7 +++++++
 test/py/test.py            | 5 +++++
 2 files changed, 12 insertions(+)

diff --git a/doc/develop/py_testing.rst b/doc/develop/py_testing.rst
index 4f1e1f66e76..52238ca54d3 100644
--- a/doc/develop/py_testing.rst
+++ b/doc/develop/py_testing.rst
@@ -103,6 +103,13 @@ will be written to `${build_dir}/test-log.html`. This is best viewed in a web
 browser, but may be read directly as plain text, perhaps with the aid of the
 `html2text` utility.
+Controlling output
+By default a short backtrace is reported. If you would like a longer one,
+pass ``--tb=long`` when running the test. See the pytest documentation for
+more options.
 Running tests in parallel
diff --git a/test/py/test.py b/test/py/test.py
index 285fda54258..95859a66e29 100755
--- a/test/py/test.py
+++ b/test/py/test.py
@@ -17,4 +17,9 @@ if __name__ == '__main__':
     # argv; py.test test_directory_name user-supplied-arguments
     args = [os.path.dirname(__file__) + '/tests']
+    # Use short format by default
+    if not [arg for arg in args if '--tb=' in arg]:
+        args.append('--tb=short')

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