commit df4601af8ce70e48ffd4362556c2b07e4a6f53db Author: Dominic Hamon dominic@measurementlab.net Date: Sat Mar 30 13:44:08 2013 +0000

Add Dominic Hamon's nettest for running tests written with other interpreters.

* Fixes #8011. --- nettests/experimental/script.py | 90 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 90 insertions(+)

diff --git a/nettests/experimental/script.py b/nettests/experimental/script.py new file mode 100644 index 0000000..4772f65 --- /dev/null +++ b/nettests/experimental/script.py @@ -0,0 +1,90 @@ +from ooni import nettest +from ooni.utils import log +from twisted.internet import defer, protocol, reactor +from twisted.python import usage + +import os + + +def which(program): + def is_exe(fpath): + return os.path.isfile(fpath) and os.access(fpath, os.X_OK) + + fpath, fname = os.path.split(program) + if fpath: + if is_exe(program): + return program + else: + for path in os.environ["PATH"].split(os.pathsep): + path = path.strip('"') + exe_file = os.path.join(path, program) + if is_exe(exe_file): + return exe_file + return None + + +class UsageOptions(usage.Options): + optParameters = [ + ['interpreter', 'i', '', 'The interpreter to use'], + ['script', 's', '', 'The script to run'] + ] + + +class ScriptProcessProtocol(protocol.ProcessProtocol): + def __init__(self, test_case): + self.test_case = test_case + self.deferred = defer.Deferred() + + def connectionMade(self): + log.debug("connectionMade") + self.transport.closeStdin() + self.test_case.report['lua_output'] = "" + + def outReceived(self, data): + log.debug('outReceived: %s' % data) + self.test_case.report['lua_output'] += data + + def errReceived(self, data): + log.err('Script error: %s' % data) + self.transport.signalProcess('KILL') + + def processEnded(self, status): + rc = status.value.exitCode + log.debug('processEnded: %s, %s' % \ + (rc, self.test_case.report['lua_output'])) + if rc == 0: + self.deferred.callback(self) + else: + self.deferred.errback(rc) + + +# TODO: Maybe the script requires a back-end. +class Script(nettest.NetTestCase): + name = "Script test" + version = "0.1" + authors = "Dominic Hamon" + + usageOptions = UsageOptions + requiredOptions = ['interpreter', 'script'] + + def test_run_script(self): + """ + We run the script specified in the usage options and take whatever + is printed to stdout as the results of the test. + """ + processProtocol = ScriptProcessProtocol(self) + + interpreter = self.localOptions['interpreter'] + if not which(interpreter): + log.err('Unable to find %s executable in PATH.' % interpreter) + return + + reactor.spawnProcess(processProtocol, + interpreter, + args=[interpreter, self.localOptions['script']], + env={'HOME': os.environ['HOME']}, + usePTY=True) + + if not reactor.running: + reactor.run() + return processProtocol.deferred