#!/usr/bin/env python3 """ Runs tests with gcov coverage support. AP_FLAKE8_CLEAN """ import argparse import os import tempfile import time import shutil import subprocess import sys os.environ['PYTHONUNBUFFERED'] = '1' os.set_blocking(sys.stdout.fileno(), True) os.set_blocking(sys.stderr.fileno(), True) tools_dir = os.path.dirname(os.path.realpath(__file__)) root_dir = os.path.realpath(os.path.join(tools_dir, '../..')) class CoverageRunner(object): """Coverage Runner Class.""" def __init__(self, verbose=False): """Set the files Path.""" self.REPORT_DIR = os.path.join(root_dir, "reports/lcov-report") self.INFO_FILE = os.path.join(root_dir, self.REPORT_DIR, "lcov.info") self.INFO_FILE_BASE = os.path.join(root_dir, self.REPORT_DIR, "lcov_base.info") self.LCOV_LOG = os.path.join(root_dir, "GCOV_lcov.log") self.GENHTML_LOG = os.path.join(root_dir, "GCOV_genhtml.log") self.autotest = os.path.join(root_dir, "Tools/autotest/autotest.py") self.verbose = verbose self.start_time = time.time() def progress(self, text): """Pretty printer.""" delta_time = time.time() - self.start_time formatted_text = "****** AT-%06.1f: %s" % (delta_time, text) print(formatted_text) def init_coverage(self, use_example=False): """Initialize ArduPilot for coverage. This needs to be run with the binaries built. """ self.progress("Initializing Coverage...") self.progress("Removing previous reports") try: shutil.rmtree(self.REPORT_DIR) except FileNotFoundError: pass try: os.makedirs(self.REPORT_DIR) except FileExistsError: pass self.progress("Checking that vehicles binaries are set up and built") binaries_dir = os.path.join(root_dir, 'build/sitl/bin') dirs_to_check = [["binaries", binaries_dir], ["tests", os.path.join(root_dir, 'build/linux/tests')]] if use_example: dirs_to_check.append(["examples", os.path.join(root_dir, 'build/linux/examples')]) for dirc in dirs_to_check: if not (self.check_build(dirc[0], dirc[1])): self.run_build() break self.progress("Zeroing previous build") retcode = subprocess.call(["lcov", "--zerocounters", "--directory", root_dir]) if retcode != 0: self.progress("Failed with retcode (%s)" % retcode) exit(1) self.progress("Initializing Coverage with current build") try: result = subprocess.run(["lcov", "--no-external", "--initial", "--capture", "--exclude", root_dir + "/modules/uavcan/*", "--exclude", root_dir + "/build/sitl/modules/*", "--directory", root_dir, "-o", self.INFO_FILE_BASE, ], stdout=subprocess.PIPE, stderr=subprocess.STDOUT, text=True, check=True) if self.verbose: print(*result.args) print(result.stdout) with open(self.LCOV_LOG, 'w') as log_file: log_file.write(result.stdout) except subprocess.CalledProcessError as err: print("ERROR :") print(err.cmd) print(err.output) exit(1) self.progress("Initialization done") def check_build(self, name, path): """Check that build directory is not empty and that binaries are built with the coverage flags.""" self.progress("Checking that %s are set up and built" % name) if os.path.exists(path): if not os.listdir(path): return False else: return False self.progress("Checking %s build configuration for coverage" % name) with open(os.path.join(path, "../compile_commands.json"), "r") as searchfile: for line in searchfile: if "-ftest-coverage" in line: return True self.progress("%s was't built with coverage support" % name) return False def run_build(self, use_example=False): """Clean the build directory and build binaries for coverage.""" os.chdir(root_dir) waf_light = os.path.join(root_dir, "modules/waf/waf-light") self.progress("Removing previous build binaries") subprocess.run([waf_light, "configure", "--debug"], check=True) subprocess.run([waf_light, "clean"], check=True) self.progress("Building examples and SITL binaries") try: if use_example: subprocess.run([waf_light, "configure", "--board=linux", "--debug", "--coverage"], check=True) subprocess.run([waf_light, "examples"], check=True) subprocess.run( [self.autotest, "--debug", "--coverage", "build.unit_tests"], check=True) subprocess.run([waf_light, "configure", "--debug", "--coverage"], check=True) subprocess.run([waf_light], check=True) except subprocess.CalledProcessError as err: print("ERROR :") print(err.cmd) print(err.output) exit(1) self.progress("Build examples and vehicle binaries done !") def run_full(self, use_example=False): """Run full coverage on maximum of ArduPilot binaries and test functions.""" self.progress("Running full test suite...") self.run_build() self.init_coverage() self.progress("Running tests") SPEEDUP = 5 TIMEOUT = 14400 if use_example: self.progress("Running run.examples") subprocess.run([self.autotest, "--timeout=" + str(TIMEOUT), "--debug", "--no-clean", "--speedup=" + str(SPEEDUP), "run.examples" ]) self.progress("Running run.unit_tests") subprocess.run( [self.autotest, "--timeout=" + str(TIMEOUT), "--debug", "--no-clean", "run.unit_tests"]) subprocess.run(["reset"]) os.set_blocking(sys.stdout.fileno(), True) os.set_blocking(sys.stderr.fileno(), True) test_list = ["Plane", "QuadPlane", "Sub", "Copter", "Helicopter", "Rover", "Tracker"] for test in test_list: self.progress("Running test.%s" % test) subprocess.run([self.autotest, "--timeout=" + str(TIMEOUT), "--debug", "--no-clean", "test.%s" % test, ]) # TODO add any other execution path/s we can to maximise the actually # used code, can we run other tests or things? Replay, perhaps? self.update_stats() def update_stats(self): """Update Coverage statistics only. Assumes that coverage tests have been run. """ self.progress("Generating Coverage statistics") with open(self.LCOV_LOG, 'a') as log_file: # we cannot use subprocess.PIPE and result.stdout to get the output as it will be too long and trigger # BlockingIOError: [Errno 11] write could not complete without blocking # thus we ouput to temp file, and print the file line by line... with tempfile.NamedTemporaryFile(mode="w+") as tmp_file: try: self.progress("Capturing Coverage statistics") subprocess.run(["lcov", "--no-external", "--capture", "--directory", root_dir, "-o", self.INFO_FILE, ], stdout=tmp_file, stderr=subprocess.STDOUT, text=True, check=True) if self.verbose: tmp_file.seek(0) content = tmp_file.read().splitlines() for line in content: print(line, flush=True) log_file.write(line) self.progress("Matching Coverage with binaries") subprocess.run(["lcov", "--add-tracefile", self.INFO_FILE_BASE, "--add-tracefile", self.INFO_FILE, ], stdout=tmp_file, stderr=subprocess.STDOUT, text=True, check=True) if self.verbose: tmp_file.seek(0) content = tmp_file.read().splitlines() for line in content: # print(line, flush=True) # not usefull to print log_file.write(line) # remove files we do not intentionally test: self.progress("Removing unwanted coverage statistics") subprocess.run(["lcov", "--remove", self.INFO_FILE, ".waf*", root_dir + "/modules/gtest/*", root_dir + "/modules/uavcan/*", root_dir + "/build/linux/libraries/*", root_dir + "/build/sitl/libraries/*", root_dir + "/build/sitl/modules/*", root_dir + "/libraries/*/examples/*", "-o", self.INFO_FILE ], stdout=tmp_file, stderr=subprocess.STDOUT, text=True, check=True) if self.verbose: tmp_file.seek(0) content = tmp_file.read().splitlines() for line in content: # print(line, flush=True) # not usefull to print log_file.write(line) except subprocess.CalledProcessError as err: print("ERROR :") print(err.cmd) print(err.output) sys.exit(1) with open(self.GENHTML_LOG, 'w+') as log_file: try: self.progress("Generating HTML files") subprocess.run(["genhtml", self.INFO_FILE, "-o", self.REPORT_DIR, "--demangle-cpp", ], stdout=log_file, stderr=subprocess.STDOUT, text=True, check=True) log_file.seek(0) content = log_file.read().splitlines() if self.verbose: for line in content[1: -3]: print(line, flush=True) for line in content[-3:]: print(line, flush=True) except subprocess.CalledProcessError as err: print("ERROR :") print(err.cmd) print(err.output) exit(1) self.progress("Coverage successful. Open " + self.REPORT_DIR + "/index.html") if __name__ == '__main__': parser = argparse.ArgumentParser(description='Runs tests with gcov coverage support.') parser.add_argument('-v', '--verbose', action='store_true', help='Output everything on terminal.') group = parser.add_mutually_exclusive_group() group.add_argument('-i', '--init', action='store_true', help='Initialise ArduPilot for coverage. It should be run after building the binaries.') group.add_argument('-f', '--full', action='store_true', help='Run ArduPilot full coverage. This will run all tests and example. It is really long.') group.add_argument('-b', '--build', action='store_true', help='Clean the build directory and build binaries for coverage.') group.add_argument('-u', '--update', action='store_true', help='Update coverage statistics. To be used after running some tests.') args = parser.parse_args() runner = CoverageRunner(verbose=args.verbose) if args.init: runner.init_coverage() sys.exit(0) if args.full: runner.run_full() sys.exit(0) if args.build: runner.run_build() sys.exit(0) if args.update: runner.update_stats() sys.exit(0) parser.print_help() sys.exit(0)