Move src/tools/isolate to src/tools/swarm_client as a DEPS.

tools/isolate/tests/trace_inputs_test.py

-#!/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 logging
-import os
-import unittest
-import sys
-
-BASE_DIR = unicode(os.path.dirname(os.path.abspath(__file__)))
-ROOT_DIR = os.path.dirname(BASE_DIR)
-sys.path.insert(0, ROOT_DIR)
-
-FILE_PATH = unicode(os.path.abspath(__file__))
-
-import trace_inputs
-
-
-def join_norm(*args):
-  """Joins and normalizes path in a single step."""
-  return unicode(os.path.normpath(os.path.join(*args)))
-
-
-class TraceInputs(unittest.TestCase):
-  def test_process_quoted_arguments(self):
-    test_cases = (
-      ('"foo"', ['foo']),
-      ('"foo", "bar"', ['foo', 'bar']),
-      ('"foo"..., "bar"', ['foo', 'bar']),
-      ('"foo", "bar"...', ['foo', 'bar']),
-      (
-        '"/browser_tests", "--type=use,comma"',
-        ['/browser_tests', '--type=use,comma']
-      ),
-      (
-        '"/browser_tests", "--ignored=\\" --type=renderer \\""',
-        ['/browser_tests', '--ignored=" --type=renderer "']
-      ),
-    )
-    for actual, expected in test_cases:
-      self.assertEquals(
-          expected, trace_inputs.strace_process_quoted_arguments(actual))
-
-  def test_process_escaped_arguments(self):
-    test_cases = (
-      ('foo\\0', ['foo']),
-      ('foo\\001bar\\0', ['foo', 'bar']),
-      ('\\"foo\\"\\0', ['"foo"']),
-    )
-    for actual, expected in test_cases:
-      self.assertEquals(
-          expected,
-          trace_inputs.Dtrace.Context.process_escaped_arguments(actual))
-
-  def test_variable_abs(self):
-    value = trace_inputs.Results.File(None, '/foo/bar', False, False)
-    actual = value.replace_variables({'$FOO': '/foo'})
-    self.assertEquals('$FOO/bar', actual.path)
-    self.assertEquals('$FOO/bar', actual.full_path)
-    self.assertEquals(True, actual.tainted)
-
-  def test_variable_rel(self):
-    value = trace_inputs.Results.File('/usr', 'foo/bar', False, False)
-    actual = value.replace_variables({'$FOO': 'foo'})
-    self.assertEquals('$FOO/bar', actual.path)
-    self.assertEquals(os.path.join('/usr', '$FOO/bar'), actual.full_path)
-    self.assertEquals(True, actual.tainted)
-
-  def test_native_case_end_with_os_path_sep(self):
-    # Make sure the trailing os.path.sep is kept.
-    path = trace_inputs.get_native_path_case(ROOT_DIR) + os.path.sep
-    self.assertEquals(trace_inputs.get_native_path_case(path), path)
-
-  def test_native_case_non_existing(self):
-    # Make sure it doesn't throw on non-existing files.
-    non_existing = 'trace_input_test_this_file_should_not_exist'
-    path = os.path.expanduser('~/' + non_existing)
-    self.assertFalse(os.path.exists(path))
-    path = trace_inputs.get_native_path_case(ROOT_DIR) + os.path.sep
-    self.assertEquals(trace_inputs.get_native_path_case(path), path)
-
-  if sys.platform in ('darwin', 'win32'):
-    def test_native_case_not_sensitive(self):
-      # The home directory is almost guaranteed to have mixed upper/lower case
-      # letters on both Windows and OSX.
-      # This test also ensures that the output is independent on the input
-      # string case.
-      path = os.path.expanduser('~')
-      self.assertTrue(os.path.isdir(path))
-      # This test assumes the variable is in the native path case on disk, this
-      # should be the case. Verify this assumption:
-      self.assertEquals(path, trace_inputs.get_native_path_case(path))
-      self.assertEquals(
-          trace_inputs.get_native_path_case(path.lower()),
-          trace_inputs.get_native_path_case(path.upper()))
-
-    def test_native_case_not_sensitive_non_existent(self):
-      # This test also ensures that the output is independent on the input
-      # string case.
-      non_existing = os.path.join(
-          'trace_input_test_this_dir_should_not_exist', 'really not', '')
-      path = os.path.expanduser(os.path.join('~', non_existing))
-      self.assertFalse(os.path.exists(path))
-      lower = trace_inputs.get_native_path_case(path.lower())
-      upper = trace_inputs.get_native_path_case(path.upper())
-      # Make sure non-existing element is not modified:
-      self.assertTrue(lower.endswith(non_existing.lower()))
-      self.assertTrue(upper.endswith(non_existing.upper()))
-      self.assertEquals(lower[:-len(non_existing)], upper[:-len(non_existing)])
-
-  if sys.platform != 'win32':
-    def test_symlink(self):
-      # This test will fail if the checkout is in a symlink.
-      actual = trace_inputs.split_at_symlink(None, ROOT_DIR)
-      expected = (ROOT_DIR, None, None)
-      self.assertEquals(expected, actual)
-
-      actual = trace_inputs.split_at_symlink(
-          None, os.path.join(BASE_DIR, 'trace_inputs'))
-      expected = (
-          os.path.join(BASE_DIR, 'trace_inputs'), None, None)
-      self.assertEquals(expected, actual)
-
-      actual = trace_inputs.split_at_symlink(
-          None, os.path.join(BASE_DIR, 'trace_inputs', 'files2'))
-      expected = (
-          os.path.join(BASE_DIR, 'trace_inputs'), 'files2', '')
-      self.assertEquals(expected, actual)
-
-      actual = trace_inputs.split_at_symlink(
-          ROOT_DIR, os.path.join('tests', 'trace_inputs', 'files2'))
-      expected = (
-          os.path.join('tests', 'trace_inputs'), 'files2', '')
-      self.assertEquals(expected, actual)
-      actual = trace_inputs.split_at_symlink(
-          ROOT_DIR, os.path.join('tests', 'trace_inputs', 'files2', 'bar'))
-      expected = (
-          os.path.join('tests', 'trace_inputs'), 'files2', '/bar')
-      self.assertEquals(expected, actual)
-
-    def test_native_case_symlink_right_case(self):
-      actual = trace_inputs.get_native_path_case(
-          os.path.join(BASE_DIR, 'trace_inputs'))
-      self.assertEquals('trace_inputs', os.path.basename(actual))
-
-      # Make sure the symlink is not resolved.
-      actual = trace_inputs.get_native_path_case(
-          os.path.join(BASE_DIR, 'trace_inputs', 'files2'))
-      self.assertEquals('files2', os.path.basename(actual))
-
-  if sys.platform == 'darwin':
-    def test_native_case_symlink_wrong_case(self):
-      actual = trace_inputs.get_native_path_case(
-          os.path.join(BASE_DIR, 'trace_inputs'))
-      self.assertEquals('trace_inputs', os.path.basename(actual))
-
-      # Make sure the symlink is not resolved.
-      actual = trace_inputs.get_native_path_case(
-          os.path.join(BASE_DIR, 'trace_inputs', 'Files2'))
-      self.assertEquals('files2', os.path.basename(actual))
-
-
-if sys.platform != 'win32':
-  class StraceInputs(unittest.TestCase):
-    # Represents the root process pid (an arbitrary number).
-    _ROOT_PID = 27
-    _CHILD_PID = 14
-    _GRAND_CHILD_PID = 70
-
-    @staticmethod
-    def _load_context(lines, initial_cwd):
-      context = trace_inputs.Strace.Context(lambda _: False, initial_cwd)
-      for line in lines:
-        context.on_line(*line)
-      return context.to_results().flatten()
-
-    def _test_lines(self, lines, initial_cwd, files, command=None):
-      filepath = join_norm(initial_cwd, '../out/unittests')
-      command = command or ['../out/unittests']
-      expected = {
-        'root': {
-          'children': [],
-          'command': command,
-          'executable': filepath,
-          'files': files,
-          'initial_cwd': initial_cwd,
-          'pid': self._ROOT_PID,
-        }
-      }
-      if not files:
-        expected['root']['command'] = None
-        expected['root']['executable'] = None
-      self.assertEquals(expected, self._load_context(lines, initial_cwd))
-
-    def test_execve(self):
-      lines = [
-        (self._ROOT_PID,
-          'execve("/home/foo_bar_user/out/unittests", '
-            '["/home/foo_bar_user/out/unittests", '
-            '"--gtest_filter=AtExitTest.Basic"], [/* 44 vars */])         = 0'),
-        (self._ROOT_PID,
-          'open("out/unittests.log", O_WRONLY|O_CREAT|O_APPEND, 0666) = 8'),
-      ]
-      files = [
-        {
-          'path': u'/home/foo_bar_user/out/unittests',
-          'size': -1,
-        },
-        {
-          'path': u'/home/foo_bar_user/src/out/unittests.log',
-          'size': -1,
-        },
-      ]
-      command = [
-        '/home/foo_bar_user/out/unittests', '--gtest_filter=AtExitTest.Basic',
-      ]
-      self._test_lines(lines, '/home/foo_bar_user/src', files, command)
-
-    def test_empty(self):
-      try:
-        self._load_context([], None)
-        self.fail()
-      except trace_inputs.TracingFailure, e:
-        expected = (
-          'Found internal inconsitency in process lifetime detection '
-          'while finding the root process',
-          None,
-          None,
-          None,
-          [])
-        self.assertEquals(expected, e.args)
-
-    def test_chmod(self):
-      lines = [
-          (self._ROOT_PID, 'chmod("temp/file", 0100644) = 0'),
-      ]
-      self._test_lines(lines, '/home/foo_bar_user/src', [])
-
-    def test_close(self):
-      lines = [
-        (self._ROOT_PID, 'close(7)                          = 0'),
-      ]
-      self._test_lines(lines, '/home/foo_bar_user/src', [])
-
-    def test_clone(self):
-      # Grand-child with relative directory.
-      lines = [
-        (self._ROOT_PID,
-          'clone(child_stack=0, flags=CLONE_CHILD_CLEARTID'
-            '|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f5350f829d0) = %d' %
-            self._CHILD_PID),
-        (self._CHILD_PID,
-          'clone(child_stack=0, flags=CLONE_CHILD_CLEARTID'
-            '|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f5350f829d0) = %d' %
-            self._GRAND_CHILD_PID),
-        (self._GRAND_CHILD_PID,
-          'open("%s", O_RDONLY)       = 76' % os.path.basename(FILE_PATH)),
-      ]
-      size = os.stat(FILE_PATH).st_size
-      expected = {
-        'root': {
-          'children': [
-            {
-              'children': [
-                {
-                  'children': [],
-                  'command': None,
-                  'executable': None,
-                  'files': [
-                    {
-                      'path': FILE_PATH,
-                      'size': size,
-                    },
-                  ],
-                  'initial_cwd': BASE_DIR,
-                  'pid': self._GRAND_CHILD_PID,
-                },
-              ],
-              'command': None,
-              'executable': None,
-              'files': [],
-              'initial_cwd': BASE_DIR,
-              'pid': self._CHILD_PID,
-            },
-          ],
-          'command': None,
-          'executable': None,
-          'files': [],
-          'initial_cwd': BASE_DIR,
-          'pid': self._ROOT_PID,
-        },
-      }
-      self.assertEquals(expected, self._load_context(lines, BASE_DIR))
-
-    def test_clone_chdir(self):
-      # Grand-child with relative directory.
-      lines = [
-        (self._ROOT_PID,
-          'execve("../out/unittests", '
-            '["../out/unittests"...], [/* 44 vars */])         = 0'),
-        (self._ROOT_PID,
-          'clone(child_stack=0, flags=CLONE_CHILD_CLEARTID'
-            '|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f5350f829d0) = %d' %
-            self._CHILD_PID),
-        (self._CHILD_PID,
-          'chdir("/home_foo_bar_user/path1") = 0'),
-        (self._CHILD_PID,
-          'clone(child_stack=0, flags=CLONE_CHILD_CLEARTID'
-            '|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f5350f829d0) = %d' %
-            self._GRAND_CHILD_PID),
-        (self._GRAND_CHILD_PID,
-          'execve("../out/unittests", '
-            '["../out/unittests"...], [/* 44 vars */])         = 0'),
-        (self._ROOT_PID, 'chdir("/home_foo_bar_user/path2") = 0'),
-        (self._GRAND_CHILD_PID,
-          'open("random.txt", O_RDONLY)       = 76'),
-      ]
-      expected = {
-        'root': {
-          'children': [
-            {
-              'children': [
-                {
-                  'children': [],
-                  'command': ['../out/unittests'],
-                  'executable': '/home_foo_bar_user/out/unittests',
-                  'files': [
-                    {
-                      'path': u'/home_foo_bar_user/out/unittests',
-                      'size': -1,
-                    },
-                    {
-                      'path': u'/home_foo_bar_user/path1/random.txt',
-                      'size': -1,
-                    },
-                  ],
-                  'initial_cwd': u'/home_foo_bar_user/path1',
-                  'pid': self._GRAND_CHILD_PID,
-                },
-              ],
-              # clone does not carry over the command and executable so it is
-              # clear if an execve() call was done or not.
-              'command': None,
-              'executable': None,
-              # This is important, since no execve call was done, it didn't
-              # touch the executable file.
-              'files': [],
-              'initial_cwd': unicode(ROOT_DIR),
-              'pid': self._CHILD_PID,
-            },
-          ],
-          'command': ['../out/unittests'],
-          'executable': join_norm(ROOT_DIR, '../out/unittests'),
-          'files': [
-            {
-              'path': join_norm(ROOT_DIR, '../out/unittests'),
-              'size': -1,
-            },
-          ],
-          'initial_cwd': unicode(ROOT_DIR),
-          'pid': self._ROOT_PID,
-        },
-      }
-      self.assertEquals(expected, self._load_context(lines, ROOT_DIR))
-
-    def test_open(self):
-      lines = [
-        (self._ROOT_PID,
-          'execve("../out/unittests", '
-            '["../out/unittests"...], [/* 44 vars */])         = 0'),
-        (self._ROOT_PID,
-          'open("out/unittests.log", O_WRONLY|O_CREAT|O_APPEND, 0666) = 8'),
-      ]
-      files = [
-        {
-          'path': u'/home/foo_bar_user/out/unittests',
-          'size': -1,
-        },
-        {
-          'path': u'/home/foo_bar_user/src/out/unittests.log',
-          'size': -1,
-        },
-      ]
-      self._test_lines(lines, '/home/foo_bar_user/src', files)
-
-    def test_open_resumed(self):
-      lines = [
-        (self._ROOT_PID,
-          'execve("../out/unittests", '
-            '["../out/unittests"...], [/* 44 vars */])         = 0'),
-        (self._ROOT_PID,
-          'open("out/unittests.log", O_WRONLY|O_CREAT|O_APPEND '
-            '<unfinished ...>'),
-        (self._ROOT_PID, '<... open resumed> )              = 3'),
-      ]
-      files = [
-        {
-          'path': u'/home/foo_bar_user/out/unittests',
-          'size': -1,
-        },
-        {
-          'path': u'/home/foo_bar_user/src/out/unittests.log',
-          'size': -1,
-        },
-      ]
-      self._test_lines(lines, '/home/foo_bar_user/src', files)
-
-    def test_rmdir(self):
-      lines = [
-          (self._ROOT_PID, 'rmdir("directory/to/delete") = 0'),
-      ]
-      self._test_lines(lines, '/home/foo_bar_user/src', [])
-
-    def test_setxattr(self):
-      lines = [
-          (self._ROOT_PID,
-           'setxattr("file.exe", "attribute", "value", 0, 0) = 0'),
-      ]
-      self._test_lines(lines, '/home/foo_bar_user/src', [])
-
-    def test_sig_unexpected(self):
-      lines = [
-        (self._ROOT_PID, 'exit_group(0)                     = ?'),
-      ]
-      self._test_lines(lines, '/home/foo_bar_user/src', [])
-
-    def test_stray(self):
-      lines = [
-        (self._ROOT_PID,
-          'execve("../out/unittests", '
-            '["../out/unittests"...], [/* 44 vars */])         = 0'),
-        (self._ROOT_PID,
-          ')                                       = ? <unavailable>'),
-      ]
-      files = [
-        {
-          'path': u'/home/foo_bar_user/out/unittests',
-          'size': -1,
-        },
-      ]
-      self._test_lines(lines, '/home/foo_bar_user/src', files)
-
-
-if __name__ == '__main__':
-  VERBOSE = '-v' in sys.argv
-  logging.basicConfig(level=logging.DEBUG if VERBOSE else logging.ERROR)
-  unittest.main()