cppcheck/test/cli/testutils.py

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import logging
import os
import subprocess
# Create Cppcheck project file
import sys
def create_gui_project_file(project_file, root_path=None, import_project=None, paths=None, exclude_paths=None, suppressions=None, addon=None):
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cppcheck_xml = ('<?xml version="1.0" encoding="UTF-8"?>\n'
'<project version="1">\n')
if root_path:
cppcheck_xml += ' <root name="' + root_path + '"/>\n'
if import_project:
cppcheck_xml += ' <importproject>' + import_project + '</importproject>\n'
if paths:
cppcheck_xml += ' <paths>\n'
for path in paths:
cppcheck_xml += ' <dir name="' + path + '"/>\n'
cppcheck_xml += ' </paths>\n'
if exclude_paths:
cppcheck_xml += ' <exclude>\n'
for path in exclude_paths:
cppcheck_xml += ' <path name="' + path + '"/>\n'
cppcheck_xml += ' </exclude>\n'
if suppressions:
cppcheck_xml += ' <suppressions>\n'
for suppression in suppressions:
cppcheck_xml += ' <suppression'
if 'fileName' in suppression:
cppcheck_xml += ' fileName="' + suppression['fileName'] + '"'
cppcheck_xml += '>' + suppression['id'] + '</suppression>\n'
cppcheck_xml += ' </suppressions>\n'
if addon:
cppcheck_xml += ' <addons>\n'
cppcheck_xml += ' <addon>%s</addon>\n' % addon
cppcheck_xml += ' </addons>\n'
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cppcheck_xml += '</project>\n'
f = open(project_file, 'wt')
f.write(cppcheck_xml)
f.close()
def __lookup_cppcheck_exe():
# path the script is located in
script_path = os.path.dirname(os.path.realpath(__file__))
exe_name = "cppcheck"
if sys.platform == "win32":
exe_name += ".exe"
exe_path = None
if 'TEST_CPPCHECK_EXE_LOOKUP_PATH' in os.environ:
lookup_paths = [os.environ['TEST_CPPCHECK_EXE_LOOKUP_PATH']]
else:
lookup_paths = [os.path.join(script_path, '..', '..'), '.']
for base in lookup_paths:
for path in ('', 'bin', os.path.join('bin', 'debug')):
tmp_exe_path = os.path.join(base, path, exe_name)
if os.path.isfile(tmp_exe_path):
exe_path = tmp_exe_path
break
if exe_path:
print("using '{}'".format(exe_path))
return exe_path
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# Run Cppcheck with args
def cppcheck(args, env=None):
exe = __lookup_cppcheck_exe()
assert exe is not None, 'no cppcheck binary found'
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logging.info(exe + ' ' + ' '.join(args))
p = subprocess.Popen([exe] + args, stdout=subprocess.PIPE, stderr=subprocess.PIPE, env=env)
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comm = p.communicate()
stdout = comm[0].decode(encoding='utf-8', errors='ignore').replace('\r\n', '\n')
stderr = comm[1].decode(encoding='utf-8', errors='ignore').replace('\r\n', '\n')
if stdout.find('\nActive checkers:') > 0:
stdout = stdout[:1 + stdout.find('\nActive checkers:')]
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return p.returncode, stdout, stderr
def assert_cppcheck(args, ec_exp=None, out_exp=None, err_exp=None, env=None):
exitcode, stdout, stderr = cppcheck(args, env)
if ec_exp is not None:
assert exitcode == ec_exp, stdout
if out_exp is not None:
out_lines = stdout.splitlines()
assert out_lines == out_exp, stdout
if err_exp is not None:
err_lines = stderr.splitlines()
assert err_lines == err_exp, stderr