#!/usr/bin/env python
"""Test cppcheck-htmlreport."""
import os
import contextlib
import shutil
import subprocess
import sys
import tempfile
if sys.version_info < (2, 7):
# For TestCase.assertIn().
import unittest2 as unittest
else:
import unittest
ROOT_DIR = os.path.split(os.path.abspath(os.path.dirname(__file__)))[0]
CPPCHECK_BIN = os.path.join(ROOT_DIR, 'cppcheck')
HTML_REPORT_BIN = os.path.join(os.path.abspath(os.path.dirname(__file__)),
'cppcheck-htmlreport')
class TestHTMLReport(unittest.TestCase):
def testError(self):
with runCheck(os.path.join(
ROOT_DIR,
'samples', 'memleak', 'bad.c')) as (report, output_directory):
self.assertIn('', report)
self.assertIn('Memory leak:', report)
self.assertIn('bad.c', report)
detail_filename = os.path.join(output_directory, '0.html')
self.assertTrue(
os.path.exists(detail_filename))
with open(detail_filename) as input_file:
detail_contents = input_file.read()
self.assertIn('', detail_contents)
self.assertIn('Memory leak:', detail_contents)
def testNoError(self):
with runCheck(os.path.join(
ROOT_DIR,
'samples', 'memleak', 'good.c')) as (report, output_directory):
self.assertIn('', report)
self.assertNotIn('Memory leak:', report)
self.assertNotIn('good.c', report)
self.assertFalse(
os.path.exists(os.path.join(output_directory, '0.html')))
@contextlib.contextmanager
def runCheck(source_file):
"""Run cppcheck and cppcheck-htmlreport.
Yield a tuple containing the resulting HTML report index and the directory
path.
"""
output_directory = tempfile.mkdtemp(dir='.')
xml_filename = os.path.join(output_directory, 'output.xml')
with open(xml_filename, 'w') as output_file:
subprocess.check_call(
[CPPCHECK_BIN, '--xml', source_file],
stderr=output_file)
assert os.path.exists(xml_filename)
subprocess.check_call(
[HTML_REPORT_BIN,
'--file=' + xml_filename,
'--report-dir=' + output_directory])
with open(os.path.join(output_directory, 'index.html')) as index_file:
index_contents = index_file.read()
yield (index_contents, output_directory)
shutil.rmtree(output_directory)
if __name__ == '__main__':
unittest.main()