1 # SPDX-License-Identifier: GPL-2.0+
3 # Copyright (c) 2016 Google, Inc
12 def RunTestCoverage(prog, filter_fname, exclude_list, build_dir, required=None):
13 """Run tests and check that we get 100% coverage
16 prog: Program to run (with be passed a '-t' argument to run tests
17 filter_fname: Normally all *.py files in the program's directory will
18 be included. If this is not None, then it is used to filter the
19 list so that only filenames that don't contain filter_fname are
21 exclude_list: List of file patterns to exclude from the coverage
23 build_dir: Build directory, used to locate libfdt.py
24 required: List of modules which must be in the coverage report
27 ValueError if the code coverage is not 100%
29 # This uses the build output from sandbox_spl to get _libfdt.so
30 path = os.path.dirname(prog)
32 glob_list = glob.glob(os.path.join(path, '*.py'))
33 glob_list = [fname for fname in glob_list if filter_fname in fname]
36 glob_list += exclude_list
37 glob_list += ['*libfdt.py', '*site-packages*']
38 cmd = ('PYTHONPATH=$PYTHONPATH:%s/sandbox_spl/tools python-coverage run '
39 '--omit "%s" %s -t' % (build_dir, ','.join(glob_list), prog))
41 stdout = command.Output('python-coverage', 'report')
42 lines = stdout.splitlines()
44 # Convert '/path/to/name.py' just the module name 'name'
45 test_set = set([os.path.splitext(os.path.basename(line.split()[0]))[0]
46 for line in lines if '/etype/' in line])
47 missing_list = required
48 missing_list.difference_update(test_set)
50 print 'Missing tests for %s' % (', '.join(missing_list))
54 coverage = lines[-1].split(' ')[-1]
57 if coverage != '100%':
59 print ("Type 'python-coverage html' to get a report in "
61 print 'Coverage error: %s, but should be 100%%' % coverage
64 raise ValueError('Test coverage failure')