public StreamedTestOutput(OutErr outErr, Path testLogPath) throws IOException {
this.testLogPath = testLogPath;
this.outErr = outErr;
this.headerFilter = TestLogHelper.getHeaderFilteringOutputStream(outErr.getOutputStream());
this.watcher = new FileWatcher(testLogPath, OutErr.create(headerFilter, headerFilter), false);
watcher.start();
}
@Override
public void close() throws IOException {
watcher.stopPumping();
try {
// The watcher thread might leak if the following call is interrupted.
// This is a relatively minor issue since the worst it could do is
// write one additional line from the test.log to the console later on
// in the build.
watcher.join();
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
}
if (!headerFilter.foundHeader()) {
try (InputStream input = testLogPath.getInputStream()) {
ByteStreams.copy(input, outErr.getOutputStream());
}
}
}
public static OutErr outErrForReporter(EventHandler rep) {
return OutErr.create(
// We don't use BufferedOutputStream here, because in general the Blaze
// code base assumes that the output streams are not buffered.
new ReporterStream(rep, EventKind.STDOUT), new ReporterStream(rep, EventKind.STDERR));
}
@Override
public int exec(List<String> args, OutErr outErr, long firstContactTime) throws Exception {
outErr.printOut(COMMAND_STDOUT);
outErr.printErr(COMMAND_STDERR);
return 42;
}
