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