1 # Copyright 2016 The Chromium OS Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 5 import filecmp 6 import os 7 import tempfile 8 9 from autotest_lib.client.common_lib import error 10 from autotest_lib.server import test 11 12 13 _DATA_SIZE = 20 * 1000 * 1000 14 _DATA_STR = ''.join(chr(i) for i in range(256)) 15 _DATA_STR *= (len(_DATA_STR) - 1 + _DATA_SIZE) / len(_DATA_STR) 16 _DATA_STR = _DATA_STR[:_DATA_SIZE] 17 18 19 class brillo_ADBFileTransfer(test.test): 20 """Verify that ADB file transfers work.""" 21 version = 1 22 23 24 def setup(self): 25 self.temp_file = tempfile.NamedTemporaryFile() 26 self.temp_file.write(_DATA_STR) 27 self.temp_file.flush() 28 os.fsync(self.temp_file.file.fileno()) 29 30 31 def run_once(self, host=None, iterations=10): 32 """ 33 Conduct a file transfer and verify that it succeeds. 34 35 @param iterations: Number of times to perform the file transfer. 36 """ 37 38 device_temp_file = os.path.join(host.get_tmp_dir(), 'adb_test_file') 39 40 while iterations: 41 iterations -= 1 42 with tempfile.NamedTemporaryFile() as return_temp_file: 43 host.send_file(self.temp_file.name, device_temp_file, 44 delete_dest=True) 45 host.get_file(device_temp_file, return_temp_file.name, 46 delete_dest=True) 47 48 if not filecmp.cmp(self.temp_file.name, 49 return_temp_file.name, shallow=False): 50 raise error.TestFail('Got back different file than we sent') 51 52 r = host.run('cat %s' % device_temp_file) 53 if r.stdout != _DATA_STR: 54 raise error.TestFail('Cat did not return same contents we sent') 55 56 57 def cleanup(self): 58 self.temp_file.close() 59
