test_from_cdb.py
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# -*- coding: utf-8 -*-
# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
# See https://llvm.org/LICENSE.txt for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
import libear
from . import call_and_report
import unittest
import os.path
import string
import glob
def prepare_cdb(name, target_dir):
target_file = 'build_{0}.json'.format(name)
this_dir, _ = os.path.split(__file__)
path = os.path.normpath(os.path.join(this_dir, '..', 'src'))
source_dir = os.path.join(path, 'compilation_database')
source_file = os.path.join(source_dir, target_file + '.in')
target_file = os.path.join(target_dir, 'compile_commands.json')
with open(source_file, 'r') as in_handle:
with open(target_file, 'w') as out_handle:
for line in in_handle:
temp = string.Template(line)
out_handle.write(temp.substitute(path=path))
return target_file
def run_analyzer(directory, cdb, args):
cmd = ['analyze-build', '--cdb', cdb, '--output', directory] \
+ args
return call_and_report(cmd, [])
class OutputDirectoryTest(unittest.TestCase):
def test_regular_keeps_report_dir(self):
with libear.TemporaryDirectory() as tmpdir:
cdb = prepare_cdb('regular', tmpdir)
exit_code, reportdir = run_analyzer(tmpdir, cdb, [])
self.assertTrue(os.path.isdir(reportdir))
def test_clear_deletes_report_dir(self):
with libear.TemporaryDirectory() as tmpdir:
cdb = prepare_cdb('clean', tmpdir)
exit_code, reportdir = run_analyzer(tmpdir, cdb, [])
self.assertFalse(os.path.isdir(reportdir))
def test_clear_keeps_report_dir_when_asked(self):
with libear.TemporaryDirectory() as tmpdir:
cdb = prepare_cdb('clean', tmpdir)
exit_code, reportdir = run_analyzer(tmpdir, cdb, ['--keep-empty'])
self.assertTrue(os.path.isdir(reportdir))
class ExitCodeTest(unittest.TestCase):
def test_regular_does_not_set_exit_code(self):
with libear.TemporaryDirectory() as tmpdir:
cdb = prepare_cdb('regular', tmpdir)
exit_code, __ = run_analyzer(tmpdir, cdb, [])
self.assertFalse(exit_code)
def test_clear_does_not_set_exit_code(self):
with libear.TemporaryDirectory() as tmpdir:
cdb = prepare_cdb('clean', tmpdir)
exit_code, __ = run_analyzer(tmpdir, cdb, [])
self.assertFalse(exit_code)
def test_regular_sets_exit_code_if_asked(self):
with libear.TemporaryDirectory() as tmpdir:
cdb = prepare_cdb('regular', tmpdir)
exit_code, __ = run_analyzer(tmpdir, cdb, ['--status-bugs'])
self.assertTrue(exit_code)
def test_clear_does_not_set_exit_code_if_asked(self):
with libear.TemporaryDirectory() as tmpdir:
cdb = prepare_cdb('clean', tmpdir)
exit_code, __ = run_analyzer(tmpdir, cdb, ['--status-bugs'])
self.assertFalse(exit_code)
def test_regular_sets_exit_code_if_asked_from_plist(self):
with libear.TemporaryDirectory() as tmpdir:
cdb = prepare_cdb('regular', tmpdir)
exit_code, __ = run_analyzer(
tmpdir, cdb, ['--status-bugs', '--plist'])
self.assertTrue(exit_code)
def test_clear_does_not_set_exit_code_if_asked_from_plist(self):
with libear.TemporaryDirectory() as tmpdir:
cdb = prepare_cdb('clean', tmpdir)
exit_code, __ = run_analyzer(
tmpdir, cdb, ['--status-bugs', '--plist'])
self.assertFalse(exit_code)
class OutputFormatTest(unittest.TestCase):
@staticmethod
def get_html_count(directory):
return len(glob.glob(os.path.join(directory, 'report-*.html')))
@staticmethod
def get_plist_count(directory):
return len(glob.glob(os.path.join(directory, 'report-*.plist')))
def test_default_creates_html_report(self):
with libear.TemporaryDirectory() as tmpdir:
cdb = prepare_cdb('regular', tmpdir)
exit_code, reportdir = run_analyzer(tmpdir, cdb, [])
self.assertTrue(
os.path.exists(os.path.join(reportdir, 'index.html')))
self.assertEqual(self.get_html_count(reportdir), 2)
self.assertEqual(self.get_plist_count(reportdir), 0)
def test_plist_and_html_creates_html_report(self):
with libear.TemporaryDirectory() as tmpdir:
cdb = prepare_cdb('regular', tmpdir)
exit_code, reportdir = run_analyzer(tmpdir, cdb, ['--plist-html'])
self.assertTrue(
os.path.exists(os.path.join(reportdir, 'index.html')))
self.assertEqual(self.get_html_count(reportdir), 2)
self.assertEqual(self.get_plist_count(reportdir), 5)
def test_plist_does_not_creates_html_report(self):
with libear.TemporaryDirectory() as tmpdir:
cdb = prepare_cdb('regular', tmpdir)
exit_code, reportdir = run_analyzer(tmpdir, cdb, ['--plist'])
self.assertFalse(
os.path.exists(os.path.join(reportdir, 'index.html')))
self.assertEqual(self.get_html_count(reportdir), 0)
self.assertEqual(self.get_plist_count(reportdir), 5)
class FailureReportTest(unittest.TestCase):
def test_broken_creates_failure_reports(self):
with libear.TemporaryDirectory() as tmpdir:
cdb = prepare_cdb('broken', tmpdir)
exit_code, reportdir = run_analyzer(tmpdir, cdb, [])
self.assertTrue(
os.path.isdir(os.path.join(reportdir, 'failures')))
def test_broken_does_not_creates_failure_reports(self):
with libear.TemporaryDirectory() as tmpdir:
cdb = prepare_cdb('broken', tmpdir)
exit_code, reportdir = run_analyzer(
tmpdir, cdb, ['--no-failure-reports'])
self.assertFalse(
os.path.isdir(os.path.join(reportdir, 'failures')))
class TitleTest(unittest.TestCase):
def assertTitleEqual(self, directory, expected):
import re
patterns = [
re.compile(r'<title>(?P<page>.*)</title>'),
re.compile(r'<h1>(?P<head>.*)</h1>')
]
result = dict()
index = os.path.join(directory, 'index.html')
with open(index, 'r') as handler:
for line in handler.readlines():
for regex in patterns:
match = regex.match(line.strip())
if match:
result.update(match.groupdict())
break
self.assertEqual(result['page'], result['head'])
self.assertEqual(result['page'], expected)
def test_default_title_in_report(self):
with libear.TemporaryDirectory() as tmpdir:
cdb = prepare_cdb('broken', tmpdir)
exit_code, reportdir = run_analyzer(tmpdir, cdb, [])
self.assertTitleEqual(reportdir, 'src - analyzer results')
def test_given_title_in_report(self):
with libear.TemporaryDirectory() as tmpdir:
cdb = prepare_cdb('broken', tmpdir)
exit_code, reportdir = run_analyzer(
tmpdir, cdb, ['--html-title', 'this is the title'])
self.assertTitleEqual(reportdir, 'this is the title')