Added --test_args parameter that passes its value as -a flag to autoserv.

Review URL: http://codereview.chromium.org/1794004

autotest

@@ -57,6 +57,9 @@ parser.allow_interspersed_args = True
 
 DEFAULT_BOARD = os.environ.get('DEFAULT_BOARD', '')
 
+parser.add_option('--args', dest='args', action='store',
+                  default='',
+                  help='The arguments to pass to the test control file.')
 parser.add_option('--autox', dest='autox', action='store_true',
                   default=True,
                   help='Build autox along with autotest [default].')
@@ -188,12 +191,14 @@ def build_autotest(options):
   return run(emerge_cmd)
 
 
-def run_autoserv(board, args):
+def run_autoserv(options, args):
   environ = os.environ
+
+  environ['AUTOSERV_TEST_ARGS'] = options.args
   environ['AUTOSERV_ARGS'] = ' '.join(args)
   environ['FEATURES'] = ('%s -buildpkg -digest noauto' %
                          environ.get('FEATURES', ''))
-  ebuild_cmd = ['ebuild-%s' % board,
+  ebuild_cmd = ['ebuild-%s' % options.board,
                 '../third_party/chromiumos-overlay/chromeos-base/'
                 'autotest/autotest-0.0.1.ebuild',
                 'clean', 'unpack', 'test']
@@ -216,7 +221,7 @@ def main():
     ssh_key_file = os.path.join(os.path.dirname(me),
                                 'mod_for_test_scripts/ssh_keys/testing_rsa')
     os.chmod(ssh_key_file, 0400)
-    run_autoserv(options.board, args)
+    run_autoserv(options, args)
 
 
 if __name__ == '__main__':

run_remote_tests.sh

@@ -14,6 +14,7 @@
 
 get_default_board
 
+DEFINE_string args "" "Command line arguments for test, separated with comma" a
 DEFINE_string board "$DEFAULT_BOARD" \
     "The board for which you are building autotest"
 DEFINE_string chroot "${DEFAULT_CHROOT_DIR}" "alternate chroot location" c
@@ -242,6 +243,12 @@ function main() {
     if [[ ${FLAGS_verbose} -eq $FLAGS_TRUE ]]; then
       verbose="--verbose"
     fi
+    local args=()
+    if [[ -n "${FLAGS_args}" ]]; then
+      local with_spaces=""
+      with_spaces=${FLAGS_args//,/ }
+      args=("-a" "${with_spaces}")
+    fi
 
     RAN_ANY_TESTS=${FLAGS_TRUE}
 
@@ -253,7 +260,8 @@ function main() {
     fi
 
     ${enter_chroot} ${autotest} --board "${FLAGS_board}" -m "${FLAGS_remote}" \
-      "${option}" "${control_file}" -r "${results_dir}" ${verbose}
+      "${option}" "${control_file}" -r "${results_dir}" ${verbose} \
+      "${args[@]}"
 
     results_dir="${TMP}/${results_dir_name}"
     local test_status="${results_dir}/status.log"