u-boot-brain/tools/patman/test_util.py
Simon Glass c07ab6effb binman: Rename the main module
Python does not like the module name being the same as the module
directory. To allow buildman modules to be used from other tools, rename
it.

Signed-off-by: Simon Glass <sjg@chromium.org>
2020-04-26 14:25:21 -06:00

88 lines
3.0 KiB
Python

# SPDX-License-Identifier: GPL-2.0+
#
# Copyright (c) 2016 Google, Inc
#
from contextlib import contextmanager
import glob
import os
import sys
import command
from io import StringIO
PYTHON = 'python%d' % sys.version_info[0]
def RunTestCoverage(prog, filter_fname, exclude_list, build_dir, required=None):
"""Run tests and check that we get 100% coverage
Args:
prog: Program to run (with be passed a '-t' argument to run tests
filter_fname: Normally all *.py files in the program's directory will
be included. If this is not None, then it is used to filter the
list so that only filenames that don't contain filter_fname are
included.
exclude_list: List of file patterns to exclude from the coverage
calculation
build_dir: Build directory, used to locate libfdt.py
required: List of modules which must be in the coverage report
Raises:
ValueError if the code coverage is not 100%
"""
# This uses the build output from sandbox_spl to get _libfdt.so
path = os.path.dirname(prog)
if filter_fname:
glob_list = glob.glob(os.path.join(path, '*.py'))
glob_list = [fname for fname in glob_list if filter_fname in fname]
else:
glob_list = []
glob_list += exclude_list
glob_list += ['*libfdt.py', '*site-packages*', '*dist-packages*']
test_cmd = 'test' if 'binman' in prog else '-t'
cmd = ('PYTHONPATH=$PYTHONPATH:%s/sandbox_spl/tools %s-coverage run '
'--omit "%s" %s %s -P1' % (build_dir, PYTHON, ','.join(glob_list),
prog, test_cmd))
os.system(cmd)
stdout = command.Output('%s-coverage' % PYTHON, 'report')
lines = stdout.splitlines()
if required:
# Convert '/path/to/name.py' just the module name 'name'
test_set = set([os.path.splitext(os.path.basename(line.split()[0]))[0]
for line in lines if '/etype/' in line])
missing_list = required
missing_list.discard('__init__')
missing_list.difference_update(test_set)
if missing_list:
print('Missing tests for %s' % (', '.join(missing_list)))
print(stdout)
ok = False
coverage = lines[-1].split(' ')[-1]
ok = True
print(coverage)
if coverage != '100%':
print(stdout)
print("Type '%s-coverage html' to get a report in "
'htmlcov/index.html' % PYTHON)
print('Coverage error: %s, but should be 100%%' % coverage)
ok = False
if not ok:
raise ValueError('Test coverage failure')
# Use this to suppress stdout/stderr output:
# with capture_sys_output() as (stdout, stderr)
# ...do something...
@contextmanager
def capture_sys_output():
capture_out, capture_err = StringIO(), StringIO()
old_out, old_err = sys.stdout, sys.stderr
try:
sys.stdout, sys.stderr = capture_out, capture_err
yield capture_out, capture_err
finally:
sys.stdout, sys.stderr = old_out, old_err