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u_boot_pylib: Support running coverage on selected functions

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At present run_test_coverage() assumes you want code coverage for the
entire code base. This is the normal situation, but sometimes it is
useful to see the coverage provided by just a single test. Add support
for this.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2024-09-30 12:51:36 -06:00
parent 58918fa4f0
commit c95a3c8890
1 changed files with 8 additions and 5 deletions
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13
tools/u_boot_pylib/test_util.py
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@ -23,8 +23,9 @@ except:
use_concurrent = False
def run_test_coverage(prog, filter_fname, exclude_list, build_dir, required=None,
extra_args=None, single_thread='-P1'):
def run_test_coverage(prog, filter_fname, exclude_list, build_dir,
required=None, extra_args=None, single_thread='-P1',
args=None):
"""Run tests and check that we get 100% coverage
Args:
@ -42,6 +43,7 @@ def run_test_coverage(prog, filter_fname, exclude_list, build_dir, required=None
single_thread (str): Argument string to make the tests run
single-threaded. This is necessary to get proper coverage results.
The default is '-P0'
args (list of str): List of tests to run, or None to run all
Raises:
ValueError if the code coverage is not 100%
@ -66,9 +68,10 @@ def run_test_coverage(prog, filter_fname, exclude_list, build_dir, required=None
'coverage')
cmd = ('%s%s run '
'--omit "%s" %s %s %s %s' % (prefix, covtool, ','.join(glob_list),
prog, extra_args or '', test_cmd,
single_thread or '-P1'))
'--omit "%s" %s %s %s %s %s' % (prefix, covtool, ','.join(glob_list),
prog, extra_args or '', test_cmd,
single_thread or '-P1',
' '.join(args) if args else ''))
os.system(cmd)
stdout = command.output(covtool, 'report')
lines = stdout.splitlines()