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 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.android_devices[0] 34 self.dut.hal.InitConventionalHal( 35 target_type="light", 36 target_basepaths=["/system/lib64/hw"], 37 target_version=1.0, 38 bits=64, 39 target_package="hal.conventional.light") 40 self.dut.hal.light.OpenConventionalHal("backlight") 41 module_name = random.choice([ 42 self.dut.hal.light.LIGHT_ID_BACKLIGHT, 43 self.dut.hal.light.LIGHT_ID_NOTIFICATIONS, 44 self.dut.hal.light.LIGHT_ID_ATTENTION 45 ]) 46 47 # TODO: broken on bullhead 48 # self.dut.hal.light.LIGHT_ID_KEYBOARD 49 # self.dut.hal.light.LIGHT_ID_BUTTONS 50 # self.dut.hal.light.LIGHT_ID_BATTERY 51 # self.dut.hal.light.LIGHT_ID_BLUETOOTH 52 # self.dut.hal.light.LIGHT_ID_WIFI 53 54 def testTurnOnLightBlackBoxFuzzing(self): 55 """A fuzz testcase which calls a function using different values.""" 56 logging.info("blackbox fuzzing") 57 genes = GenePool.CreateGenePool( 58 self.gene_pool_size, 59 self.dut.hal.light.light_state_t, 60 self.dut.hal.light.light_state_t_fuzz, 61 color=0xffffff00, 62 flashMode=self.dut.hal.light.LIGHT_FLASH_HARDWARE, 63 flashOnMs=100, 64 flashOffMs=200, 65 brightnessMode=self.dut.hal.light.BRIGHTNESS_MODE_USER) 66 for iteration in range(self.iteartion_count): 67 index = 0 68 logging.info("blackbox iteration %d", iteration) 69 for gene in genes: 70 logging.debug("Gene %d", index) 71 self.dut.hal.light.set_light(None, gene) 72 index += 1 73 evolution = GenePool.Evolution() 74 genes = evolution.Evolve(genes, 75 self.dut.hal.light.light_state_t_fuzz) 76 77 def testTurnOnLightWhiteBoxFuzzing(self): 78 """A fuzz testcase which calls a function using different values.""" 79 logging.info("whitebox fuzzing") 80 genes = GenePool.CreateGenePool( 81 self.gene_pool_size, 82 self.dut.hal.light.light_state_t, 83 self.dut.hal.light.light_state_t_fuzz, 84 color=0xffffff00, 85 flashMode=self.dut.hal.light.LIGHT_FLASH_HARDWARE, 86 flashOnMs=100, 87 flashOffMs=200, 88 brightnessMode=self.dut.hal.light.BRIGHTNESS_MODE_USER) 89 90 for iteration in range(self.iteartion_count): 91 index = 0 92 logging.info("whitebox iteration %d", iteration) 93 coverages = [] 94 for gene in genes: 95 logging.debug("Gene %d", index) 96 result = self.dut.hal.light.set_light(None, gene) 97 if len(result.processed_coverage_data) > 0: 98 logging.info("coverage: %s", 99 result.processed_coverage_data) 100 gene_coverage = [] 101 for coverage_data in result.processed_coverage_data: 102 gene_coverage.append(coverage_data) 103 coverages.append(gene_coverage) 104 index += 1 105 evolution = GenePool.Evolution() 106 genes = evolution.Evolve( 107 genes, 108 self.dut.hal.light.light_state_t_fuzz, 109 coverages=coverages) 110 111 112 if __name__ == "__main__": 113 test_runner.main() 114
