From: Brian Warner Date: Mon, 16 Apr 2007 20:07:36 +0000 (-0700) Subject: download: improve test coverage on our IDownloadTarget classes, make FileHandle retur... X-Git-Tag: tahoe_v0.1.0-0-UNSTABLE~99 X-Git-Url: https://git.rkrishnan.org/pf/content/en/%3C?a=commitdiff_plain;h=7dabb68a51b673499c5894439d6d1c51456d43d5;p=tahoe-lafs%2Ftahoe-lafs.git download: improve test coverage on our IDownloadTarget classes, make FileHandle return the filehandle when its done so that it is easier to close --- diff --git a/src/allmydata/download.py b/src/allmydata/download.py index 959d3fa7..9eba5681 100644 --- a/src/allmydata/download.py +++ b/src/allmydata/download.py @@ -372,6 +372,11 @@ class Data: return self.data class FileHandle: + """Use me to download data to a pre-defined filehandle-like object. I + will use the target's write() method. I will *not* close the filehandle: + I leave that up to the originator of the filehandle. The download process + will return the filehandle when it completes. + """ implements(IDownloadTarget) def __init__(self, filehandle): self._filehandle = filehandle @@ -387,7 +392,7 @@ class FileHandle: def register_canceller(self, cb): pass def finish(self): - pass + return self._filehandle class Downloader(service.MultiService): """I am a service that allows file downloading. diff --git a/src/allmydata/test/test_system.py b/src/allmydata/test/test_system.py index 83d03f97..08e83689 100644 --- a/src/allmydata/test/test_system.py +++ b/src/allmydata/test/test_system.py @@ -126,7 +126,9 @@ class SystemTest(unittest.TestCase): d.addCallback(_do_upload) def _upload_done(uri): log.msg("upload finished: uri is %s" % (uri,)) + self.uri = uri dl = self.clients[1].getServiceNamed("downloader") + self.downloader = dl d1 = dl.download_to_data(uri) return d1 d.addCallback(_upload_done) @@ -134,6 +136,28 @@ class SystemTest(unittest.TestCase): log.msg("download finished") self.failUnlessEqual(data, DATA) d.addCallback(_download_done) + + target_filename = os.path.join(self.basedir, "download.target") + def _download_to_filename(res): + return self.downloader.download_to_filename(self.uri, + target_filename) + d.addCallback(_download_to_filename) + def _download_to_filename_done(res): + newdata = open(target_filename, "rb").read() + self.failUnlessEqual(newdata, DATA) + d.addCallback(_download_to_filename_done) + + target_filename2 = os.path.join(self.basedir, "download.target2") + def _download_to_filehandle(res): + fh = open(target_filename2, "wb") + return self.downloader.download_to_filehandle(self.uri, fh) + d.addCallback(_download_to_filehandle) + def _download_to_filehandle_done(fh): + fh.close() + newdata = open(target_filename2, "rb").read() + self.failUnlessEqual(newdata, DATA) + d.addCallback(_download_to_filehandle_done) + return d test_upload_and_download.timeout = 300