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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 logging
import os
import unittest
import sys
FILE_NAME = os.path.abspath(__file__)
ROOT_DIR = os.path.dirname(FILE_NAME)
import trace_inputs
class TraceInputs(unittest.TestCase):
def _test(self, value, expected):
actual = cStringIO.StringIO()
trace_inputs.pretty_print(value, actual)
self.assertEquals(expected, actual.getvalue())
def test_pretty_print_empty(self):
self._test({}, '{\n}\n')
def test_pretty_print_mid_size(self):
value = {
'variables': {
'bar': [
'file1',
'file2',
],
},
'conditions': [
['OS=\"foo\"', {
'variables': {
trace_inputs.KEY_UNTRACKED: [
'dir1',
'dir2',
],
trace_inputs.KEY_TRACKED: [
'file4',
'file3',
],
'command': ['python', '-c', 'print "H\\i\'"'],
'read_only': True,
'relative_cwd': 'isol\'at\\e',
},
}],
['OS=\"bar\"', {
'variables': {},
}, {
'variables': {},
}],
],
}
expected = (
"{\n"
" 'variables': {\n"
" 'bar': [\n"
" 'file1',\n"
" 'file2',\n"
" ],\n"
" },\n"
" 'conditions': [\n"
" ['OS=\"foo\"', {\n"
" 'variables': {\n"
" 'command': [\n"
" 'python',\n"
" '-c',\n"
" 'print \"H\\i\'\"',\n"
" ],\n"
" 'relative_cwd': 'isol\\'at\\\\e',\n"
" 'read_only': True\n"
" 'isolate_dependency_tracked': [\n"
" 'file4',\n"
" 'file3',\n"
" ],\n"
" 'isolate_dependency_untracked': [\n"
" 'dir1',\n"
" 'dir2',\n"
" ],\n"
" },\n"
" }],\n"
" ['OS=\"bar\"', {\n"
" 'variables': {\n"
" },\n"
" }, {\n"
" 'variables': {\n"
" },\n"
" }],\n"
" ],\n"
"}\n")
self._test(value, expected)
if trace_inputs.get_flavor() == 'linux':
class StraceInputs(unittest.TestCase):
def _test_lines(
self, lines, initial_cwd, expected_files, expected_non_existent):
context = trace_inputs.Strace.Context(lambda _: False, initial_cwd)
for line in lines:
context.on_line(*line)
actual_files, actual_non_existent = context.resolve()
self.assertEquals(sorted(expected_files), sorted(actual_files))
self.assertEquals(
sorted(expected_non_existent), sorted(actual_non_existent))
def test_empty(self):
self._test_lines([], None, [], [])
def test_close(self):
lines = [
(90, 'close(7) = 0'),
]
self._test_lines(lines, None, [], [])
def test_clone(self):
# Grand-child with relative directory.
lines = [
(86, 'clone(child_stack=0, flags=CLONE_CHILD_CLEARTID'
'|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f5350f829d0) = 14'),
(86, ') = ? <unavailable>'),
(14, 'clone(child_stack=0, flags=CLONE_CHILD_CLEARTID'
'|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f5350f829d0) = 70'),
(14, 'close(75) = 0'),
(70, 'open("%s", O_RDONLY) = 76' % os.path.basename(FILE_NAME)),
]
files = [
FILE_NAME,
]
self._test_lines(lines, ROOT_DIR, files, [])
def test_open(self):
lines = [
(42, 'execve("../out/unittests", '
'["../out/unittests"...], [/* 44 vars */]) = 0'),
(42, 'open("out/unittests.log", O_WRONLY|O_CREAT|O_APPEND, 0666) = 8'),
]
files = [
u'/home/foo_bar_user/out/unittests',
u'/home/foo_bar_user/src/out/unittests.log',
]
self._test_lines(lines, '/home/foo_bar_user/src', [], files)
def test_open_resumed(self):
lines = [
(42, 'execve("../out/unittests", '
'["../out/unittests"...], [/* 44 vars */]) = 0'),
(42, 'open("out/unittests.log", O_WRONLY|O_CREAT|O_APPEND '
'<unfinished ...>'),
(42, '<... open resumed> ) = 3'),
]
files = [
u'/home/foo_bar_user/out/unittests',
u'/home/foo_bar_user/src/out/unittests.log',
]
self._test_lines(lines, '/home/foo_bar_user/src', [], files)
def test_sig_unexpected(self):
lines = [
(27, 'exit_group(0) = ?'),
]
self._test_lines(lines, ROOT_DIR, [], [])
if __name__ == '__main__':
VERBOSE = '-v' in sys.argv
logging.basicConfig(level=logging.DEBUG if VERBOSE else logging.ERROR)
unittest.main()
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