| """Test module to collect test executable hashsum.""" |
| from litsupport import testplan |
| import hashlib |
| import logging |
| import platform |
| |
| |
| def compute(context): |
| if hasattr(context, 'executable_hash'): |
| return |
| executable = context.executable |
| try: |
| # Darwin's "strip" doesn't support these arguments. |
| if platform.system() != 'Darwin': |
| stripped_executable = executable + '.stripped' |
| testplan.check_call([context.config.strip_tool, |
| '--remove-section=.comment', |
| "--remove-section='.note*'", |
| '-o', stripped_executable, |
| executable]) |
| executable = stripped_executable |
| |
| h = hashlib.md5() |
| h.update(open(executable, 'rb').read()) |
| context.executable_hash = h.hexdigest() |
| except Exception: |
| logging.info('Could not calculate hash for %s' % executable) |
| context.executable_hash = '' |
| |
| |
| def same_as_previous(context): |
| """Check whether hash has changed compared to the results in |
| config.previous_results.""" |
| previous_results = context.config.previous_results |
| testname = context.test.getFullName() |
| executable_hash = context.executable_hash |
| if previous_results and "tests" in previous_results: |
| for test in previous_results["tests"]: |
| if "name" not in test or test["name"] != testname: |
| continue |
| if "metrics" not in test: |
| continue |
| metrics = test["metrics"] |
| return "hash" in metrics and metrics["hash"] == executable_hash |
| return False |
| |
| |
| def _getHash(context): |
| compute(context) |
| return {'hash': context.executable_hash} |
| |
| |
| def mutatePlan(context, plan): |
| plan.metric_collectors.append(_getHash) |
