private int runTestsExternal( final CommandRunnerParams params, Build build, Iterable<String> command, Iterable<TestRule> testRules) throws InterruptedException, IOException { TestRunningOptions options = getTestRunningOptions(params); // Walk the test rules, collecting all the specs. List<ExternalTestRunnerTestSpec> specs = Lists.newArrayList(); for (TestRule testRule : testRules) { if (!(testRule instanceof ExternalTestRunnerRule)) { params .getBuckEventBus() .post( ConsoleEvent.severe( String.format( "Test %s does not support external test running", testRule.getBuildTarget()))); return 1; } ExternalTestRunnerRule rule = (ExternalTestRunnerRule) testRule; specs.add(rule.getExternalTestRunnerSpec(build.getExecutionContext(), options)); } // Serialize the specs to a file to pass into the test runner. Path infoFile = params .getCell() .getFilesystem() .resolve(BuckConstant.SCRATCH_PATH.resolve("external_runner_specs.json")); Files.createDirectories(infoFile.getParent()); Files.deleteIfExists(infoFile); params.getObjectMapper().writerWithDefaultPrettyPrinter().writeValue(infoFile.toFile(), specs); // Launch and run the external test runner, forwarding it's stdout/stderr to the console. // We wait for it to complete then returns its error code. ListeningProcessExecutor processExecutor = new ListeningProcessExecutor(); ProcessExecutorParams processExecutorParams = ProcessExecutorParams.builder() .addAllCommand(command) .addAllCommand(withDashArguments) .addCommand("--buck-test-info", infoFile.toString()) .setDirectory(params.getCell().getFilesystem().getRootPath().toFile()) .build(); ForwardingProcessListener processListener = new ForwardingProcessListener( Channels.newChannel(params.getConsole().getStdOut()), Channels.newChannel(params.getConsole().getStdErr())); ListeningProcessExecutor.LaunchedProcess process = processExecutor.launchProcess(processExecutorParams, processListener); try { return processExecutor.waitForProcess(process, Long.MAX_VALUE, TimeUnit.DAYS); } finally { processExecutor.destroyProcess(process, /* force */ false); processExecutor.waitForProcess(process, Long.MAX_VALUE, TimeUnit.DAYS); } }
@Override public int execute(ExecutionContext context) throws InterruptedException { ListeningProcessExecutor executor = new ListeningProcessExecutor(); ProcessExecutorParams params = makeProcessExecutorParams(); SimpleProcessListener listener = new SimpleProcessListener(); // TODO(ryu2): parse output as needed try { LOG.debug("%s", command); ListeningProcessExecutor.LaunchedProcess process = executor.launchProcess(params, listener); int result = executor.waitForProcess(process, Long.MAX_VALUE, TimeUnit.SECONDS); if (result != 0) { LOG.error("Error running %s: %s", getDescription(context), listener.getStderr()); } return result; } catch (IOException e) { LOG.error(e, "Could not execute command %s", command); return 1; } }