1 #!/usr/bin/env python 2 # 3 # Copyright (C) 2016 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 copy 19 import logging 20 import random 21 import time 22 23 from vts.runners.host import base_test 24 from vts.runners.host import test_runner 25 from vts.utils.python.controllers import android_device 26 from vts.utils.python.fuzzer import GenePool 27 28 29 class StandaloneLightFuzzTest(base_test.BaseTestClass): 30 """A standalone fuzz testcase for the conventional lights HAL.""" 31 32 def setUpClass(self): 33 required_params = ["gene_pool_size", "iteartion_count"] 34 self.getUserParams(required_params) 35 self.dut = self.registerController(android_device)[0] 36 self.dut.hal.InitConventionalHal(target_type="light", 37 target_basepaths=["/system/lib64/hw"], 38 target_version=1.0, 39 bits=64, 40 target_package="hal.conventional.light") 41 self.dut.hal.light.OpenConventionalHal("backlight") 42 module_name = random.choice( 43 [self.dut.hal.light.LIGHT_ID_BACKLIGHT, 44 self.dut.hal.light.LIGHT_ID_NOTIFICATIONS, 45 self.dut.hal.light.LIGHT_ID_ATTENTION]) 46 47 if self.coverage.enabled: 48 self.coverage.LoadArtifacts() 49 self.coverage.InitializeDeviceCoverage(self.dut) 50 51 # TODO: broken on bullhead 52 # self.dut.hal.light.LIGHT_ID_KEYBOARD 53 # self.dut.hal.light.LIGHT_ID_BUTTONS 54 # self.dut.hal.light.LIGHT_ID_BATTERY 55 # self.dut.hal.light.LIGHT_ID_BLUETOOTH 56 # self.dut.hal.light.LIGHT_ID_WIFI 57 58 def testTurnOnLightBlackBoxFuzzing(self): 59 """A fuzz testcase which calls a function using different values.""" 60 logging.info("blackbox fuzzing") 61 genes = GenePool.CreateGenePool( 62 self.gene_pool_size, 63 self.dut.hal.light.light_state_t, 64 self.dut.hal.light.light_state_t_fuzz, 65 color=0xffffff00, 66 flashMode=self.dut.hal.light.LIGHT_FLASH_HARDWARE, 67 flashOnMs=100, 68 flashOffMs=200, 69 brightnessMode=self.dut.hal.light.BRIGHTNESS_MODE_USER) 70 for iteration in range(self.iteartion_count): 71 index = 0 72 logging.info("blackbox iteration %d", iteration) 73 for gene in genes: 74 logging.debug("Gene %d", index) 75 self.dut.hal.light.set_light(None, gene) 76 index += 1 77 evolution = GenePool.Evolution() 78 genes = evolution.Evolve(genes, 79 self.dut.hal.light.light_state_t_fuzz) 80 81 def testTurnOnLightWhiteBoxFuzzing(self): 82 """A fuzz testcase which calls a function using different values.""" 83 logging.info("whitebox fuzzing") 84 genes = GenePool.CreateGenePool( 85 self.gene_pool_size, 86 self.dut.hal.light.light_state_t, 87 self.dut.hal.light.light_state_t_fuzz, 88 color=0xffffff00, 89 flashMode=self.dut.hal.light.LIGHT_FLASH_HARDWARE, 90 flashOnMs=100, 91 flashOffMs=200, 92 brightnessMode=self.dut.hal.light.BRIGHTNESS_MODE_USER) 93 94 last_coverage_data = {} 95 for iteration in range(self.iteartion_count): 96 index = 0 97 logging.info("whitebox iteration %d", iteration) 98 coverages = [] 99 for gene in genes: 100 logging.debug("Gene %d", index) 101 result = self.dut.hal.light.set_light(None, gene) 102 if len(result.processed_coverage_data) > 0: 103 gene_coverage = [] 104 logging.info("coverage: %s", result.processed_coverage_data) 105 for processed_coverage_data in result.processed_coverage_data: 106 gene_coverage.append(processed_coverage_data) 107 coverages.append(gene_coverage) 108 last_coverage_data = {} 109 for coverage_msg in result.raw_coverage_data: 110 logging.info("coverage file_path %s", 111 coverage_msg.file_path) 112 logging.info("coverage gcda len %d bytes", 113 len(coverage_msg.gcda)) 114 last_coverage_data[coverage_msg.file_path] = coverage_msg.gcda 115 index += 1 116 evolution = GenePool.Evolution() 117 genes = evolution.Evolve(genes, 118 self.dut.hal.light.light_state_t_fuzz, 119 coverages=coverages) 120 121 if self.coverage.enabled: 122 self.coverage.SetCoverageData(last_coverage_data) 123 124 125 if __name__ == "__main__": 126 test_runner.main() 127
