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# Copyright (C) 2016 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import adb
import argparse
import os
import unittest
import fastboot
import subprocess
import sys
# Default values for arguments
device_type = "phone"
class ShellTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.fastboot = fastboot.FastbootDevice()
def exists_validvals(self, varname, varlist, validlist):
self.assertIn(varname, varlist)
self.assertIn(varlist[varname], validlist)
return varlist[varname]
def exists_yes_no(self, varname, varlist):
return self.exists_validvals(varname, varlist, ["yes", "no"])
def exists_nonempty(self, varname, varlist):
self.assertIn(varname, varlist)
self.assertGreater(len(varlist[varname]), 0)
return varlist[varname]
def exists_integer(self, varname, varlist, base=10):
val = 0
self.assertIn(varname, varlist)
try:
val = int(varlist[varname], base)
except ValueError:
self.fail("%s (%s) is not an integer" % (varname, varlist[varname]))
return val
def get_exists(self, varname):
val = self.fastboot.getvar(varname)
self.assertIsNotNone(val)
return val
def get_exists_validvals(self, varname, validlist):
val = self.get_exists(varname)
self.assertIn(val, validlist)
return val
def get_exists_yes_no(self, varname):
return self.get_exists_validvals(varname, ["yes", "no"])
def get_exists_nonempty(self, varname):
val = self.get_exists(varname)
self.assertGreater(len(val), 0)
return val
def get_exists_integer(self, varname, base=10):
val = self.get_exists(varname)
try:
num = int(val, base)
except ValueError:
self.fail("%s (%s) is not an integer" % (varname, val))
return num
def get_slotcount(self):
slotcount = 0
try:
val = self.fastboot.getvar("slot-count")
if val != None:
slotcount = int(val)
except ValueError:
self.fail("slot-count (%s) is not an integer" % val)
except subprocess.CalledProcessError:
print "Does not appear to be an A/B device."
if not slotcount:
print "Does not appear to be an A/B device."
return slotcount
def test_getvarall(self):
"""Tests that required variables are reported by getvar all"""
var_all = self.fastboot.getvar_all()
self.exists_nonempty("version-baseband", var_all)
self.exists_nonempty("version-bootloader", var_all)
self.exists_nonempty("product", var_all)
self.exists_yes_no("secure", var_all)
self.exists_yes_no("unlocked", var_all)
self.exists_validvals("off-mode-charge", var_all, ["0", "1"])
self.assertIn("variant", var_all)
voltage = self.exists_nonempty("battery-voltage", var_all)
if voltage[-2:].lower() == "mv":
voltage = voltage[:-2]
try:
voltnum = float(voltage)
except ValueError:
self.fail("battery-voltage (%s) is not a number" % (varname, voltage))
self.exists_yes_no("battery-soc-ok", var_all)
maxdl = self.exists_integer("max-download-size", var_all, 16)
self.assertGreater(maxdl, 0)
if "slot-count" in var_all:
try:
slotcount = int(var_all["slot-count"])
except ValueError:
self.fail("slot-count (%s) is not an integer" % var_all["slot-count"])
if slotcount > 1:
# test for A/B variables
slots = [chr(slotnum+ord('a')) for slotnum in range(slotcount)]
self.exists_validvals("current-slot", var_all, slots)
# test for slot metadata
for slot in slots:
self.exists_yes_no("slot-unbootable:"+slot, var_all)
self.exists_yes_no("slot-unbootable:"+slot, var_all)
self.exists_integer("slot-retry-count:"+slot, var_all)
else:
print "This does not appear to be an A/B device."
def test_getvar_nonexistent(self):
"""Tests behaviour of nonexistent variables."""
self.assertIsNone(self.fastboot.getvar("fhqwhgads"))
def test_getvar(self):
"""Tests all variables separately"""
self.get_exists_nonempty("version-baseband")
self.get_exists_nonempty("version-bootloader")
self.get_exists_nonempty("product")
self.get_exists_yes_no("secure")
self.get_exists_yes_no("unlocked")
self.get_exists_validvals("off-mode-charge", ["0", "1"])
self.get_exists("variant")
voltage = self.get_exists_nonempty("battery-voltage")
if voltage[-2:].lower() == "mv":
voltage = voltage[:-2]
try:
voltnum = float(voltage)
except ValueError:
self.fail("battery-voltage (%s) is not a number" % voltage)
self.get_exists_yes_no("battery-soc-ok")
maxdl = self.get_exists_integer("max-download-size", 16)
self.assertGreater(maxdl, 0)
slotcount = self.get_slotcount()
if slotcount > 1:
# test for A/B variables
slots = [chr(slotnum+ord('a')) for slotnum in range(slotcount)]
self.get_exists_validvals("current-slot", slots)
# test for slot metadata
for slot in slots:
self.get_exists_yes_no("slot-unbootable:"+slot)
self.get_exists_yes_no("slot-successful:"+slot)
self.get_exists_integer("slot-retry-count:"+slot)
def test_setactive(self):
"""Tests that A/B devices can switch to each slot, and the change persists over a reboot."""
# Test invalid if not an A/B device
slotcount = self.get_slotcount()
if not slotcount:
return
maxtries = 0
slots = [chr(slotnum+ord('a')) for slotnum in range(slotcount)]
for slot in slots:
self.fastboot.set_active(slot)
self.assertEqual(slot, self.fastboot.getvar("current-slot"))
self.assertEqual("no", self.fastboot.getvar("slot-unbootable:"+slot))
self.assertEqual("no", self.fastboot.getvar("slot-successful:"+slot))
retry = self.get_exists_integer("slot-retry-count:"+slot)
if maxtries == 0:
maxtries = retry
else:
self.assertEqual(maxtries, retry)
self.fastboot.reboot(True)
self.assertEqual(slot, self.fastboot.getvar("current-slot"))
self.assertEqual("no", self.fastboot.getvar("slot-unbootable:"+slot))
self.assertEqual("no", self.fastboot.getvar("slot-successful:"+slot))
retry = self.get_exists_integer("slot-retry-count:"+slot)
if maxtries == 0:
maxtries = retry
else:
self.assertEqual(maxtries, retry)
def test_hasslot(self):
"""Tests that A/B devices report partitions that have slots."""
# Test invalid if not an A/B device
if not self.get_slotcount():
return
self.assertEqual("yes", self.fastboot.getvar("has-slot:system"))
self.assertEqual("yes", self.fastboot.getvar("has-slot:boot"))
# Additional partition on AndroidThings (IoT) devices
if device_type == "iot":
self.assertEqual("yes", self.fastboot.getvar("has-slot:oem"))
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument("--device-type", default="phone",
help="Type of device ('phone' or 'iot').")
parser.add_argument("extra_args", nargs="*")
args = parser.parse_args()
if args.device_type.lower() not in ("phone", "iot"):
raise ValueError("Unsupported device type '%s'." % args.device_type)
device_type = args.device_type.lower()
sys.argv[1:] = args.extra_args
unittest.main(verbosity=3)
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