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 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.android_devices[0] 36 self.dut.hal.InitConventionalHal( 37 target_type="light", 38 target_basepaths=["/system/lib64/hw"], 39 target_version=1.0, 40 bits=64, 41 target_package="hal.conventional.light") 42 self.dut.hal.light.OpenConventionalHal("backlight") 43 module_name = random.choice([ 44 self.dut.hal.light.LIGHT_ID_BACKLIGHT, 45 self.dut.hal.light.LIGHT_ID_NOTIFICATIONS, 46 self.dut.hal.light.LIGHT_ID_ATTENTION 47 ]) 48 49 if self.coverage.enabled: 50 self.coverage.LoadArtifacts() 51 self.coverage.InitializeDeviceCoverage(self.dut) 52 53 # TODO: broken on bullhead 54 # self.dut.hal.light.LIGHT_ID_KEYBOARD 55 # self.dut.hal.light.LIGHT_ID_BUTTONS 56 # self.dut.hal.light.LIGHT_ID_BATTERY 57 # self.dut.hal.light.LIGHT_ID_BLUETOOTH 58 # self.dut.hal.light.LIGHT_ID_WIFI 59 60 def testTurnOnLightBlackBoxFuzzing(self): 61 """A fuzz testcase which calls a function using different values.""" 62 logging.info("blackbox fuzzing") 63 genes = GenePool.CreateGenePool( 64 self.gene_pool_size, 65 self.dut.hal.light.light_state_t, 66 self.dut.hal.light.light_state_t_fuzz, 67 color=0xffffff00, 68 flashMode=self.dut.hal.light.LIGHT_FLASH_HARDWARE, 69 flashOnMs=100, 70 flashOffMs=200, 71 brightnessMode=self.dut.hal.light.BRIGHTNESS_MODE_USER) 72 for iteration in range(self.iteartion_count): 73 index = 0 74 logging.info("blackbox iteration %d", iteration) 75 for gene in genes: 76 logging.debug("Gene %d", index) 77 self.dut.hal.light.set_light(None, gene) 78 index += 1 79 evolution = GenePool.Evolution() 80 genes = evolution.Evolve(genes, 81 self.dut.hal.light.light_state_t_fuzz) 82 83 def testTurnOnLightWhiteBoxFuzzing(self): 84 """A fuzz testcase which calls a function using different values.""" 85 logging.info("whitebox fuzzing") 86 genes = GenePool.CreateGenePool( 87 self.gene_pool_size, 88 self.dut.hal.light.light_state_t, 89 self.dut.hal.light.light_state_t_fuzz, 90 color=0xffffff00, 91 flashMode=self.dut.hal.light.LIGHT_FLASH_HARDWARE, 92 flashOnMs=100, 93 flashOffMs=200, 94 brightnessMode=self.dut.hal.light.BRIGHTNESS_MODE_USER) 95 96 last_coverage_data = {} 97 for iteration in range(self.iteartion_count): 98 index = 0 99 logging.info("whitebox iteration %d", iteration) 100 coverages = [] 101 for gene in genes: 102 logging.debug("Gene %d", index) 103 result = self.dut.hal.light.set_light(None, gene) 104 if len(result.processed_coverage_data) > 0: 105 gene_coverage = [] 106 logging.info("coverage: %s", 107 result.processed_coverage_data) 108 for processed_coverage_data in result.processed_coverage_data: 109 gene_coverage.append(processed_coverage_data) 110 coverages.append(gene_coverage) 111 last_coverage_data = {} 112 for coverage_msg in result.raw_coverage_data: 113 logging.info("coverage file_path %s", 114 coverage_msg.file_path) 115 logging.info("coverage gcda len %d bytes", 116 len(coverage_msg.gcda)) 117 last_coverage_data[ 118 coverage_msg.file_path] = coverage_msg.gcda 119 index += 1 120 evolution = GenePool.Evolution() 121 genes = evolution.Evolve( 122 genes, 123 self.dut.hal.light.light_state_t_fuzz, 124 coverages=coverages) 125 126 if self.coverage.enabled: 127 self.coverage.SetCoverageData(last_coverage_data) 128 129 130 if __name__ == "__main__": 131 test_runner.main() 132
