cheets_CTS: verify media files after adb push.
This should help us troubleshoot network problems.
BUG=b:32978387
TEST=test_that $DUT cheets_CTS.6.0_r15.x86.android.mediastress
Change-Id: Ie7d581393a033939db1531f34970c7a3b5c52079
Reviewed-on: https://chromium-review.googlesource.com/442052
Reviewed-by: Ilja H. Friedel <ihf@chromium.org>
Tested-by: Ilja H. Friedel <ihf@chromium.org>
diff --git a/server/site_tests/cheets_CTS/cheets_CTS.py b/server/site_tests/cheets_CTS/cheets_CTS.py
index 754b961..5263a1b 100644
--- a/server/site_tests/cheets_CTS/cheets_CTS.py
+++ b/server/site_tests/cheets_CTS/cheets_CTS.py
@@ -16,6 +16,7 @@
import logging
import os
import shutil
+import subprocess
from autotest_lib.client.common_lib import error
from autotest_lib.server import utils
@@ -139,6 +140,36 @@
media = self._install_bundle(_CTS_URI['media'])
self._copy_media(media)
+ def _verify_media(self, media):
+ """Verify that the local media directory matches the DUT.
+ Used for debugging b/32978387 where we may see file corruption."""
+ # TODO(ihf): Remove function once b/32978387 is resolved.
+ # Find all files in the bbb_short and bbb_full directories, md5sum these
+ # files and sort by filename. The result for local and DUT hierarchies
+ # is piped through the diff command.
+ cmd = ('diff '
+ '<(adb shell "cd /sdcard/test; '
+ 'find ./bbb_short ./bbb_full -type f -print0 | '
+ 'xargs -0 md5sum | grep -v "\.DS_Store" | sort -k 2")'
+ '<(cd %s; '
+ 'find ./bbb_short ./bbb_full -type f -print0 | '
+ 'xargs -0 md5sum | grep -v "\.DS_Store" | sort -k 2)'
+ % media)
+ output = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE).stdout.read()
+ if output:
+ logging.error('Some media files differ on DUT /sdcard/test vs. local.')
+ logging.error(output)
+ return False
+ logging.info('Media files identical on DUT /sdcard/test vs. local.')
+ return True
+
+ def _push_media(self):
+ """Downloads, caches and pushed media files to DUT."""
+ media = self._install_bundle(_CTS_URI['media'])
+ self._copy_media(media)
+ if not self._verify_media(media):
+ raise error.TestFail('Error: saw corruption pushing media files.')
+
def _tradefed_run_command(self,
package=None,
plan=None,
