#!/usr/bin/env python # # Copyright (C) 2017 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 logging from vts.runners.host import asserts from vts.runners.host import base_test from vts.runners.host import const from vts.runners.host import test_runner from vts.utils.python.controllers import android_device from vts.utils.python.file import file_utils HWBINDER_PATH = "/dev/hwbinder" class VtsKernelHwBinderTest(base_test.BaseTestClass): """Test case to validate existence of hwbinder node. """ def setUpClass(self): self.dut = self.registerController(android_device)[0] self.dut.shell.InvokeTerminal( "VtsKernelHwBinderTest") # creates a remote shell instance. self.shell = self.dut.shell.VtsKernelHwBinderTest def testHwbinderExistence(self): """Checks that hwbinder node exists. """ logging.info("Testing existence of %s", HWBINDER_PATH) asserts.assertTrue( file_utils.Exists(HWBINDER_PATH, self.shell), "%s: File does not exist." % HWBINDER_PATH) try: permissions = file_utils.GetPermission(HWBINDER_PATH, self.shell) asserts.assertTrue(file_utils.IsReadWrite(permissions), "%s: File has invalid permissions (%s)" % (HWBINDER_PATH, permissions)) except (ValueError, IOError) as e: asserts.fail("Failed to assert permissions: %s" % str(e)) if __name__ == "__main__": test_runner.main()