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#!/usr/bin/env python
# Copyright (c) 2012 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import cStringIO
import hashlib
import json
import logging
import os
import re
import shutil
import subprocess
import sys
import tempfile
import unittest
ROOT_DIR = os.path.dirname(os.path.abspath(__file__))
VERBOSE = False
class CalledProcessError(subprocess.CalledProcessError):
"""Makes 2.6 version act like 2.7"""
def __init__(self, returncode, cmd, output, cwd):
super(CalledProcessError, self).__init__(returncode, cmd)
self.output = output
self.cwd = cwd
def __str__(self):
return super(CalledProcessError, self).__str__() + (
'\n'
'cwd=%s\n%s') % (self.cwd, self.output)
class Isolate(unittest.TestCase):
def setUp(self):
# The reason is that isolate_test.py --ok is run in a temporary directory
# without access to isolate.py
import isolate
self.isolate = isolate
self.tempdir = tempfile.mkdtemp()
self.result = os.path.join(self.tempdir, 'result')
if VERBOSE:
print
def tearDown(self):
shutil.rmtree(self.tempdir)
def _expected_tree(self, files):
self.assertEquals(sorted(files), sorted(os.listdir(self.tempdir)))
def _expected_result(self, with_hash, files, args, read_only):
if sys.platform == 'win32':
mode = lambda _: 420
else:
# 4 modes are supported, 0755 (rwx), 0644 (rw), 0555 (rx), 0444 (r)
min_mode = 0444
if not read_only:
min_mode |= 0200
def mode(filename):
return (min_mode | 0111) if filename.endswith('.py') else min_mode
expected = {
u'command':
[unicode(sys.executable)] +
[unicode(x) for x in args],
u'files': dict((unicode(f), {u'mode': mode(f)}) for f in files),
u'relative_cwd': u'.',
u'read_only': False,
}
if with_hash:
for filename in expected[u'files']:
# Calculate our hash.
h = hashlib.sha1()
h.update(open(os.path.join(ROOT_DIR, filename), 'rb').read())
expected[u'files'][filename][u'sha-1'] = h.hexdigest()
actual = json.load(open(self.result, 'rb'))
self.assertEquals(expected, actual)
return expected
def _execute(self, args, need_output=False):
cmd = [
sys.executable, os.path.join(ROOT_DIR, 'isolate.py'),
'--root', ROOT_DIR,
'--result', self.result,
]
if need_output or not VERBOSE:
stdout = subprocess.PIPE
stderr = subprocess.STDOUT
else:
cmd.extend(['-v'] * 3)
stdout = None
stderr = None
cwd = ROOT_DIR
p = subprocess.Popen(
cmd + args,
stdout=stdout,
stderr=stderr,
cwd=cwd,
universal_newlines=True)
out = p.communicate()[0]
if p.returncode:
raise CalledProcessError(p.returncode, cmd, out, cwd)
return out
def test_help_modes(self):
# Check coherency in the help and implemented modes.
p = subprocess.Popen(
[sys.executable, os.path.join(ROOT_DIR, 'isolate.py'), '--help'],
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
cwd=ROOT_DIR)
out = p.communicate()[0].splitlines()
self.assertEquals(0, p.returncode)
out = out[out.index('') + 1:]
out = out[:out.index('')]
modes = [re.match(r'^ (\w+) .+', l) for l in out]
modes = tuple(m.group(1) for m in modes if m)
# Keep the list hard coded.
expected = ('check', 'hashtable', 'remap', 'run', 'trace')
self.assertEquals(expected, modes)
self.assertEquals(expected, modes)
for mode in modes:
self.assertTrue(hasattr(self, 'test_%s' % mode), mode)
self._expected_tree([])
def test_check(self):
cmd = [
'--mode', 'check',
'isolate_test.py',
]
self._execute(cmd)
self._expected_tree(['result'])
self._expected_result(
False,
['isolate_test.py'],
[os.path.join('.', 'isolate_test.py')],
False)
def test_check_non_existant(self):
cmd = [
'--mode', 'check',
'NonExistentFile',
]
try:
self._execute(cmd)
self.fail()
except subprocess.CalledProcessError:
pass
self._expected_tree([])
def test_check_directory_no_slash(self):
cmd = [
'--mode', 'check',
# Trailing slash missing.
os.path.join('data', 'isolate'),
]
try:
self._execute(cmd)
self.fail()
except subprocess.CalledProcessError:
pass
self._expected_tree([])
def test_check_abs_path(self):
cmd = [
'--mode', 'check',
'isolate_test.py',
'--',
os.path.join(ROOT_DIR, 'isolate_test.py'),
]
self._execute(cmd)
self._expected_tree(['result'])
self._expected_result(
False, ['isolate_test.py'], ['isolate_test.py'], False)
def test_hashtable(self):
cmd = [
'--mode', 'hashtable',
'--outdir', self.tempdir,
'isolate_test.py',
os.path.join('data', 'isolate') + os.path.sep,
]
self._execute(cmd)
files = [
'isolate_test.py',
os.path.join('data', 'isolate', 'test_file1.txt'),
os.path.join('data', 'isolate', 'test_file2.txt'),
]
data = self._expected_result(
True, files, [os.path.join('.', 'isolate_test.py')], False)
self._expected_tree(
[f['sha-1'] for f in data['files'].itervalues()] + ['result'])
def test_remap(self):
cmd = [
'--mode', 'remap',
'--outdir', self.tempdir,
'isolate_test.py',
]
self._execute(cmd)
self._expected_tree(['isolate_test.py', 'result'])
self._expected_result(
False,
['isolate_test.py'],
[os.path.join('.', 'isolate_test.py')],
False)
def test_run(self):
cmd = [
'--mode', 'run',
'isolate_test.py',
'--',
sys.executable, 'isolate_test.py', '--ok',
]
self._execute(cmd)
self._expected_tree(['result'])
# cmd[0] is not generated from infiles[0] so it's not using a relative path.
self._expected_result(
False, ['isolate_test.py'], ['isolate_test.py', '--ok'], False)
def test_run_fail(self):
cmd = [
'--mode', 'run',
'isolate_test.py',
'--',
sys.executable, 'isolate_test.py', '--fail',
]
try:
self._execute(cmd)
self.fail()
except subprocess.CalledProcessError:
pass
self._expected_tree([])
def test_trace(self):
cmd = [
'--mode', 'trace',
'isolate_test.py',
'--',
sys.executable, os.path.join(ROOT_DIR, 'isolate_test.py'), '--ok',
]
out = self._execute(cmd, True)
expected_tree = ['result', 'result.log']
if sys.platform == 'win32':
expected_tree.append('result.log.etl')
self._expected_tree(expected_tree)
# The 'result.log' log is OS-specific so we can't read it but we can read
# the gyp result.
# cmd[0] is not generated from infiles[0] so it's not using a relative path.
self._expected_result(
False, ['isolate_test.py'], ['isolate_test.py', '--ok'], False)
expected_value = {
'conditions': [
['OS=="%s"' % self.isolate.trace_inputs.get_flavor(), {
'variables': {
'isolate_files': [
'<(DEPTH)/isolate_test.py',
],
},
}],
],
}
expected_buffer = cStringIO.StringIO()
self.isolate.trace_inputs.pretty_print(expected_value, expected_buffer)
self.assertEquals(expected_buffer.getvalue(), out)
def main():
global VERBOSE
VERBOSE = '-v' in sys.argv
level = logging.DEBUG if VERBOSE else logging.ERROR
logging.basicConfig(level=level)
if len(sys.argv) == 1:
unittest.main()
if sys.argv[1] == '--ok':
return 0
if sys.argv[1] == '--fail':
return 1
unittest.main()
if __name__ == '__main__':
sys.exit(main())
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