9ddc42aa93
If we get unlucky and something else (or ourselves, in another thread)
beats us to listening on our hardcoded ports, we can deadlock.
Bug: http://b/149829737
Test: ./test_adb.py
Change-Id: I8f14004a6b2e77366abad6e88786ea8941629020
(cherry picked from commit e8829c6bfc)
587 lines
23 KiB
Python
Executable file
587 lines
23 KiB
Python
Executable file
#!/usr/bin/env python3
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#
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# Copyright (C) 2015 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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"""Tests for the adb program itself.
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This differs from things in test_device.py in that there is no API for these
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things. Most of these tests involve specific error messages or the help text.
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"""
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import contextlib
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import os
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import random
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import select
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import socket
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import struct
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import subprocess
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import sys
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import threading
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import time
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import unittest
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import warnings
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def find_open_port():
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# Find an open port.
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with socket.socket() as s:
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s.bind(("localhost", 0))
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return s.getsockname()[1]
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@contextlib.contextmanager
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def fake_adbd(protocol=socket.AF_INET, port=0):
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"""Creates a fake ADB daemon that just replies with a CNXN packet."""
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serversock = socket.socket(protocol, socket.SOCK_STREAM)
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serversock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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if protocol == socket.AF_INET:
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serversock.bind(("127.0.0.1", port))
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else:
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serversock.bind(("::1", port))
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serversock.listen(1)
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# A pipe that is used to signal the thread that it should terminate.
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readsock, writesock = socket.socketpair()
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def _adb_packet(command: bytes, arg0: int, arg1: int, data: bytes) -> bytes:
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bin_command = struct.unpack("I", command)[0]
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buf = struct.pack("IIIIII", bin_command, arg0, arg1, len(data), 0,
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bin_command ^ 0xffffffff)
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buf += data
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return buf
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def _handle(sock):
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with contextlib.closing(sock) as serversock:
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rlist = [readsock, serversock]
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cnxn_sent = {}
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while True:
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read_ready, _, _ = select.select(rlist, [], [])
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for ready in read_ready:
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if ready == readsock:
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# Closure pipe
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for f in rlist:
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f.close()
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return
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elif ready == serversock:
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# Server socket
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conn, _ = ready.accept()
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rlist.append(conn)
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else:
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# Client socket
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data = ready.recv(1024)
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if not data or data.startswith(b"OPEN"):
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if ready in cnxn_sent:
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del cnxn_sent[ready]
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ready.shutdown(socket.SHUT_RDWR)
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ready.close()
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rlist.remove(ready)
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continue
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if ready in cnxn_sent:
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continue
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cnxn_sent[ready] = True
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ready.sendall(_adb_packet(b"CNXN", 0x01000001, 1024 * 1024,
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b"device::ro.product.name=fakeadb"))
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port = serversock.getsockname()[1]
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server_thread = threading.Thread(target=_handle, args=(serversock,))
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server_thread.start()
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try:
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yield port, writesock
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finally:
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writesock.close()
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server_thread.join()
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@contextlib.contextmanager
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def adb_connect(unittest, serial):
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"""Context manager for an ADB connection.
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This automatically disconnects when done with the connection.
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"""
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output = subprocess.check_output(["adb", "connect", serial])
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unittest.assertEqual(output.strip(),
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"connected to {}".format(serial).encode("utf8"))
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try:
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yield
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finally:
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# Perform best-effort disconnection. Discard the output.
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subprocess.Popen(["adb", "disconnect", serial],
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE).communicate()
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@contextlib.contextmanager
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def adb_server():
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"""Context manager for an ADB server.
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This creates an ADB server and returns the port it's listening on.
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"""
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port = find_open_port()
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read_pipe, write_pipe = os.pipe()
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if sys.platform == "win32":
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import msvcrt
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write_handle = msvcrt.get_osfhandle(write_pipe)
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os.set_handle_inheritable(write_handle, True)
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reply_fd = str(write_handle)
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else:
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os.set_inheritable(write_pipe, True)
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reply_fd = str(write_pipe)
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proc = subprocess.Popen(["adb", "-L", "tcp:localhost:{}".format(port),
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"fork-server", "server",
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"--reply-fd", reply_fd], close_fds=False)
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try:
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os.close(write_pipe)
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greeting = os.read(read_pipe, 1024)
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assert greeting == b"OK\n", repr(greeting)
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yield port
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finally:
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proc.terminate()
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proc.wait()
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class CommandlineTest(unittest.TestCase):
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"""Tests for the ADB commandline."""
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def test_help(self):
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"""Make sure we get _something_ out of help."""
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out = subprocess.check_output(
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["adb", "help"], stderr=subprocess.STDOUT)
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self.assertGreater(len(out), 0)
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def test_version(self):
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"""Get a version number out of the output of adb."""
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lines = subprocess.check_output(["adb", "version"]).splitlines()
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version_line = lines[0]
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self.assertRegex(
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version_line, rb"^Android Debug Bridge version \d+\.\d+\.\d+$")
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if len(lines) == 2:
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# Newer versions of ADB have a second line of output for the
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# version that includes a specific revision (git SHA).
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revision_line = lines[1]
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self.assertRegex(
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revision_line, rb"^Revision [0-9a-f]{12}-android$")
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def test_tcpip_error_messages(self):
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"""Make sure 'adb tcpip' parsing is sane."""
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proc = subprocess.Popen(["adb", "tcpip"],
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stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT)
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out, _ = proc.communicate()
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self.assertEqual(1, proc.returncode)
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self.assertIn(b"requires an argument", out)
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proc = subprocess.Popen(["adb", "tcpip", "foo"],
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stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT)
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out, _ = proc.communicate()
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self.assertEqual(1, proc.returncode)
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self.assertIn(b"invalid port", out)
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class ServerTest(unittest.TestCase):
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"""Tests for the ADB server."""
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@staticmethod
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def _read_pipe_and_set_event(pipe, event):
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"""Reads a pipe until it is closed, then sets the event."""
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pipe.read()
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event.set()
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def test_handle_inheritance(self):
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"""Test that launch_server() does not inherit handles.
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launch_server() should not let the adb server inherit
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stdin/stdout/stderr handles, which can cause callers of adb.exe to hang.
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This test also runs fine on unix even though the impetus is an issue
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unique to Windows.
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"""
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# This test takes 5 seconds to run on Windows: if there is no adb server
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# running on the the port used below, adb kill-server tries to make a
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# TCP connection to a closed port and that takes 1 second on Windows;
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# adb start-server does the same TCP connection which takes another
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# second, and it waits 3 seconds after starting the server.
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# Start adb client with redirected stdin/stdout/stderr to check if it
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# passes those redirections to the adb server that it starts. To do
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# this, run an instance of the adb server on a non-default port so we
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# don't conflict with a pre-existing adb server that may already be
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# setup with adb TCP/emulator connections. If there is a pre-existing
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# adb server, this also tests whether multiple instances of the adb
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# server conflict on adb.log.
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port = find_open_port()
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try:
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# We get warnings for unclosed files for the subprocess's pipes,
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# and it's somewhat cumbersome to close them, so just ignore this.
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warnings.simplefilter("ignore", ResourceWarning)
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# Run the adb client and have it start the adb server.
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proc = subprocess.Popen(["adb", "-P", str(port), "start-server"],
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stdin=subprocess.PIPE,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE)
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# Start threads that set events when stdout/stderr are closed.
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stdout_event = threading.Event()
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stdout_thread = threading.Thread(
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target=ServerTest._read_pipe_and_set_event,
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args=(proc.stdout, stdout_event))
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stdout_thread.start()
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stderr_event = threading.Event()
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stderr_thread = threading.Thread(
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target=ServerTest._read_pipe_and_set_event,
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args=(proc.stderr, stderr_event))
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stderr_thread.start()
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# Wait for the adb client to finish. Once that has occurred, if
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# stdin/stderr/stdout are still open, it must be open in the adb
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# server.
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proc.wait()
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# Try to write to stdin which we expect is closed. If it isn't
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# closed, we should get an IOError. If we don't get an IOError,
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# stdin must still be open in the adb server. The adb client is
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# probably letting the adb server inherit stdin which would be
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# wrong.
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with self.assertRaises(IOError):
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proc.stdin.write(b"x")
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proc.stdin.flush()
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# Wait a few seconds for stdout/stderr to be closed (in the success
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# case, this won't wait at all). If there is a timeout, that means
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# stdout/stderr were not closed and and they must be open in the adb
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# server, suggesting that the adb client is letting the adb server
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# inherit stdout/stderr which would be wrong.
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self.assertTrue(stdout_event.wait(5), "adb stdout not closed")
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self.assertTrue(stderr_event.wait(5), "adb stderr not closed")
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stdout_thread.join()
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stderr_thread.join()
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finally:
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# If we started a server, kill it.
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subprocess.check_output(["adb", "-P", str(port), "kill-server"],
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stderr=subprocess.STDOUT)
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@unittest.skipUnless(
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os.name == "posix",
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"adb doesn't yet support IPv6 on Windows",
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)
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def test_starts_on_ipv6_localhost(self):
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"""
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Tests that the server can start up on ::1 and that it's accessible
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"""
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server_port = find_open_port()
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try:
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subprocess.check_output(
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["adb", "-L", "tcp:[::1]:{}".format(server_port), "server"],
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stderr=subprocess.STDOUT,
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)
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with fake_adbd() as (port, _):
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with adb_connect(self, serial="localhost:{}".format(port)):
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pass
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finally:
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# If we started a server, kill it.
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subprocess.check_output(
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["adb", "-P", str(server_port), "kill-server"],
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stderr=subprocess.STDOUT,
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)
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class EmulatorTest(unittest.TestCase):
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"""Tests for the emulator connection."""
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def _reset_socket_on_close(self, sock):
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"""Use SO_LINGER to cause TCP RST segment to be sent on socket close."""
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# The linger structure is two shorts on Windows, but two ints on Unix.
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linger_format = "hh" if os.name == "nt" else "ii"
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l_onoff = 1
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l_linger = 0
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sock.setsockopt(socket.SOL_SOCKET, socket.SO_LINGER,
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struct.pack(linger_format, l_onoff, l_linger))
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# Verify that we set the linger structure properly by retrieving it.
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linger = sock.getsockopt(socket.SOL_SOCKET, socket.SO_LINGER, 16)
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self.assertEqual((l_onoff, l_linger),
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struct.unpack_from(linger_format, linger))
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def test_emu_kill(self):
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"""Ensure that adb emu kill works.
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Bug: https://code.google.com/p/android/issues/detail?id=21021
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"""
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with contextlib.closing(
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socket.socket(socket.AF_INET, socket.SOCK_STREAM)) as listener:
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# Use SO_REUSEADDR so subsequent runs of the test can grab the port
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# even if it is in TIME_WAIT.
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listener.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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listener.bind(("127.0.0.1", 0))
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listener.listen(4)
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port = listener.getsockname()[1]
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# Now that listening has started, start adb emu kill, telling it to
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# connect to our mock emulator.
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proc = subprocess.Popen(
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["adb", "-s", "emulator-" + str(port), "emu", "kill"],
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stderr=subprocess.STDOUT)
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accepted_connection, addr = listener.accept()
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with contextlib.closing(accepted_connection) as conn:
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# If WSAECONNABORTED (10053) is raised by any socket calls,
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# then adb probably isn't reading the data that we sent it.
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conn.sendall(("Android Console: type 'help' for a list "
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"of commands\r\n").encode("utf8"))
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conn.sendall(b"OK\r\n")
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with contextlib.closing(conn.makefile()) as connf:
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line = connf.readline()
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if line.startswith("auth"):
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# Ignore the first auth line.
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line = connf.readline()
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self.assertEqual("kill\n", line)
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self.assertEqual("quit\n", connf.readline())
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conn.sendall(b"OK: killing emulator, bye bye\r\n")
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# Use SO_LINGER to send TCP RST segment to test whether adb
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# ignores WSAECONNRESET on Windows. This happens with the
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# real emulator because it just calls exit() without closing
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# the socket or calling shutdown(SD_SEND). At process
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# termination, Windows sends a TCP RST segment for every
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# open socket that shutdown(SD_SEND) wasn't used on.
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self._reset_socket_on_close(conn)
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# Wait for adb to finish, so we can check return code.
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proc.communicate()
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# If this fails, adb probably isn't ignoring WSAECONNRESET when
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# reading the response from the adb emu kill command (on Windows).
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self.assertEqual(0, proc.returncode)
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def test_emulator_connect(self):
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"""Ensure that the emulator can connect.
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Bug: http://b/78991667
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"""
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with adb_server() as server_port:
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with fake_adbd() as (port, _):
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serial = "emulator-{}".format(port - 1)
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# Ensure that the emulator is not there.
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try:
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subprocess.check_output(["adb", "-P", str(server_port),
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"-s", serial, "get-state"],
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stderr=subprocess.STDOUT)
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self.fail("Device should not be available")
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except subprocess.CalledProcessError as err:
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self.assertEqual(
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err.output.strip(),
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"error: device '{}' not found".format(serial).encode("utf8"))
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# Let the ADB server know that the emulator has started.
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with contextlib.closing(
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socket.socket(socket.AF_INET, socket.SOCK_STREAM)) as sock:
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sock.connect(("localhost", server_port))
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command = "host:emulator:{}".format(port).encode("utf8")
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sock.sendall(b"%04x%s" % (len(command), command))
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# Ensure the emulator is there.
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subprocess.check_call(["adb", "-P", str(server_port),
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"-s", serial, "wait-for-device"])
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output = subprocess.check_output(["adb", "-P", str(server_port),
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"-s", serial, "get-state"])
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self.assertEqual(output.strip(), b"device")
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class ConnectionTest(unittest.TestCase):
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"""Tests for adb connect."""
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def test_connect_ipv4_ipv6(self):
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"""Ensure that `adb connect localhost:1234` will try both IPv4 and IPv6.
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Bug: http://b/30313466
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"""
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for protocol in (socket.AF_INET, socket.AF_INET6):
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try:
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with fake_adbd(protocol=protocol) as (port, _):
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serial = "localhost:{}".format(port)
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with adb_connect(self, serial):
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pass
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except socket.error:
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print("IPv6 not available, skipping")
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continue
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def test_already_connected(self):
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"""Ensure that an already-connected device stays connected."""
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with fake_adbd() as (port, _):
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serial = "localhost:{}".format(port)
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with adb_connect(self, serial):
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# b/31250450: this always returns 0 but probably shouldn't.
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output = subprocess.check_output(["adb", "connect", serial])
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self.assertEqual(
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output.strip(),
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"already connected to {}".format(serial).encode("utf8"))
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@unittest.skip("Currently failing b/123247844")
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def test_reconnect(self):
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"""Ensure that a disconnected device reconnects."""
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with fake_adbd() as (port, _):
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serial = "localhost:{}".format(port)
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with adb_connect(self, serial):
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# Wait a bit to give adb some time to connect.
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time.sleep(0.25)
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output = subprocess.check_output(["adb", "-s", serial,
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"get-state"])
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self.assertEqual(output.strip(), b"device")
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# This will fail.
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proc = subprocess.Popen(["adb", "-s", serial, "shell", "true"],
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stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT)
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output, _ = proc.communicate()
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self.assertEqual(output.strip(), b"error: closed")
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subprocess.check_call(["adb", "-s", serial, "wait-for-device"])
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output = subprocess.check_output(["adb", "-s", serial,
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"get-state"])
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self.assertEqual(output.strip(), b"device")
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# Once we explicitly kick a device, it won't attempt to
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# reconnect.
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output = subprocess.check_output(["adb", "disconnect", serial])
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self.assertEqual(
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output.strip(),
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"disconnected {}".format(serial).encode("utf8"))
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try:
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subprocess.check_output(["adb", "-s", serial, "get-state"],
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stderr=subprocess.STDOUT)
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self.fail("Device should not be available")
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except subprocess.CalledProcessError as err:
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self.assertEqual(
|
|
err.output.strip(),
|
|
"error: device '{}' not found".format(serial).encode("utf8"))
|
|
|
|
|
|
class DisconnectionTest(unittest.TestCase):
|
|
"""Tests for adb disconnect."""
|
|
|
|
def test_disconnect(self):
|
|
"""Ensure that `adb disconnect` takes effect immediately."""
|
|
|
|
def _devices(port):
|
|
output = subprocess.check_output(["adb", "-P", str(port), "devices"])
|
|
return [x.split("\t") for x in output.decode("utf8").strip().splitlines()[1:]]
|
|
|
|
with adb_server() as server_port:
|
|
with fake_adbd() as (port, sock):
|
|
device_name = "localhost:{}".format(port)
|
|
output = subprocess.check_output(["adb", "-P", str(server_port),
|
|
"connect", device_name])
|
|
self.assertEqual(output.strip(),
|
|
"connected to {}".format(device_name).encode("utf8"))
|
|
|
|
|
|
self.assertEqual(_devices(server_port), [[device_name, "device"]])
|
|
|
|
# Send a deliberately malformed packet to make the device go offline.
|
|
packet = struct.pack("IIIIII", 0, 0, 0, 0, 0, 0)
|
|
sock.sendall(packet)
|
|
|
|
# Wait a bit.
|
|
time.sleep(0.1)
|
|
|
|
self.assertEqual(_devices(server_port), [[device_name, "offline"]])
|
|
|
|
# Disconnect the device.
|
|
output = subprocess.check_output(["adb", "-P", str(server_port),
|
|
"disconnect", device_name])
|
|
|
|
# Wait a bit.
|
|
time.sleep(0.1)
|
|
|
|
self.assertEqual(_devices(server_port), [])
|
|
|
|
|
|
@unittest.skipUnless(sys.platform == "win32", "requires Windows")
|
|
class PowerTest(unittest.TestCase):
|
|
def test_resume_usb_kick(self):
|
|
"""Resuming from sleep/hibernate should kick USB devices."""
|
|
try:
|
|
usb_serial = subprocess.check_output(["adb", "-d", "get-serialno"]).strip()
|
|
except subprocess.CalledProcessError:
|
|
# If there are multiple USB devices, we don't have a way to check whether the selected
|
|
# device is USB.
|
|
raise unittest.SkipTest('requires single USB device')
|
|
|
|
try:
|
|
serial = subprocess.check_output(["adb", "get-serialno"]).strip()
|
|
except subprocess.CalledProcessError:
|
|
# Did you forget to select a device with $ANDROID_SERIAL?
|
|
raise unittest.SkipTest('requires $ANDROID_SERIAL set to a USB device')
|
|
|
|
# Test only works with USB devices because adb _power_notification_thread does not kick
|
|
# non-USB devices on resume event.
|
|
if serial != usb_serial:
|
|
raise unittest.SkipTest('requires USB device')
|
|
|
|
# Run an adb shell command in the background that takes a while to complete.
|
|
proc = subprocess.Popen(['adb', 'shell', 'sleep', '5'])
|
|
|
|
# Wait for startup of adb server's _power_notification_thread.
|
|
time.sleep(0.1)
|
|
|
|
# Simulate resuming from sleep/hibernation by sending Windows message.
|
|
import ctypes
|
|
from ctypes import wintypes
|
|
HWND_BROADCAST = 0xffff
|
|
WM_POWERBROADCAST = 0x218
|
|
PBT_APMRESUMEAUTOMATIC = 0x12
|
|
|
|
PostMessageW = ctypes.windll.user32.PostMessageW
|
|
PostMessageW.restype = wintypes.BOOL
|
|
PostMessageW.argtypes = (wintypes.HWND, wintypes.UINT, wintypes.WPARAM, wintypes.LPARAM)
|
|
result = PostMessageW(HWND_BROADCAST, WM_POWERBROADCAST, PBT_APMRESUMEAUTOMATIC, 0)
|
|
if not result:
|
|
raise ctypes.WinError()
|
|
|
|
# Wait for connection to adb shell to be broken by _power_notification_thread detecting the
|
|
# Windows message.
|
|
start = time.time()
|
|
proc.wait()
|
|
end = time.time()
|
|
|
|
# If the power event was detected, the adb shell command should be broken very quickly.
|
|
self.assertLess(end - start, 2)
|
|
|
|
|
|
def main():
|
|
"""Main entrypoint."""
|
|
random.seed(0)
|
|
unittest.main(verbosity=3)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|