1 #!/usr/bin/env python 2 # 3 # Copyright (C) 2017 The Android Open Source Project 4 # 5 # Licensed under the Apache License, Version 2.0 (the "License"); 6 # you may not use this file except in compliance with the License. 7 # You may obtain a copy of the License at 8 # 9 # http://www.apache.org/licenses/LICENSE-2.0 10 # 11 # Unless required by applicable law or agreed to in writing, software 12 # distributed under the License is distributed on an "AS IS" BASIS, 13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 # See the License for the specific language governing permissions and 15 # limitations under the License. 16 # 17 18 import logging 19 20 from vts.runners.host import asserts 21 from vts.runners.host import base_test 22 from vts.runners.host import test_runner 23 from vts.utils.python.common import vintf_utils 24 from vts.utils.python.controllers import android_device 25 from vts.utils.python.file import target_file_utils 26 from vts.utils.python.os import path_utils 27 28 29 class VtsTrebleHidlShimTest(base_test.BaseTestClass): 30 """Ensures existence of at least one HIDL shim library (32 or 64-bit).""" 31 32 VENDOR_MANIFEST_FILE_PATH = '/vendor/manifest.xml' 33 SHIM_DIRS = [ 34 '/system/lib/', '/system/lib64/', '/vendor/lib/', '/vendor/lib64/' 35 ] 36 37 def setUpClass(self): 38 self.dut = self.registerController(android_device)[0] 39 self.dut.shell.InvokeTerminal( 40 'VtsTrebleHidlShim') # creates a remote shell instance. 41 self.shell = self.dut.shell.VtsTrebleHidlShim 42 43 def missingHidlShims(self, hal_dictionary): 44 """Finds HALs listed in hal_dictionary that are missing shims on device. 45 46 Args: 47 hal_dictionary: 48 {key: hal_name@version, value: vintf_utils.HalDescription object} 49 Returns: 50 a list of the hal_keys (hal_name@version) for which no HIDL shim was 51 found on device 52 """ 53 missing_hidl_shims = [] 54 for hal_key, hal_info in hal_dictionary.iteritems(): 55 for shim_dir in self.SHIM_DIRS: 56 hidl_shim_path = path_utils.JoinTargetPath( 57 shim_dir, hal_key + '.so') 58 found = target_file_utils.Exists(hidl_shim_path, self.shell) 59 if found: 60 break 61 if not found: 62 missing_hidl_shims.append(hal_key) 63 return missing_hidl_shims 64 65 def testHidlShimExists(self): 66 """Checks that at least one HIDL shim (32 or 64-bit) exists on device. 67 68 For all HALs registered in /vendor/manifest.xml, at least one HIDL shim 69 must exist on device under one of the dirs listed in self.SHIM_DIRS. 70 """ 71 vendor_manifest_xml = target_file_utils.ReadFileContent( 72 self.VENDOR_MANIFEST_FILE_PATH, self.shell) 73 manifest_hwbinder_hals, manifest_passthrough_hals = vintf_utils.GetHalDescriptions( 74 vendor_manifest_xml) 75 76 missing_hidl_shims_hwbinder = self.missingHidlShims( 77 manifest_hwbinder_hals) 78 missing_hidl_shims_passthrough = self.missingHidlShims( 79 manifest_passthrough_hals) 80 81 asserts.assertTrue( 82 len(missing_hidl_shims_hwbinder) == 0 and 83 len(missing_hidl_shims_passthrough) == 0, 84 ('No HIDL shim library (neither 32 or 64-bit) was found on device for the following HALs: %s, %s' 85 ) % (missing_hidl_shims_hwbinder, missing_hidl_shims_passthrough)) 86 87 88 if __name__ == "__main__": 89 test_runner.main() 90
