def test_multiple_writers_save_at_same_time(self): blob_hash = self.fake_content_hash blob_file = BlobFile(self.blob_dir, blob_hash, self.fake_content_len) writer_1, finished_d_1 = blob_file.open_for_writing(peer=1) writer_2, finished_d_2 = blob_file.open_for_writing(peer=2) blob_file.save_verified_blob(writer_1) # second write should fail to save yield self.assertFailure(blob_file.save_verified_blob(writer_2), DownloadCanceledError) # schedule a close, just to leave the reactor clean finished_d_1.addBoth(lambda x:None) finished_d_2.addBoth(lambda x:None) self.addCleanup(writer_1.close) self.addCleanup(writer_2.close)
def save_verified_blob(self, writer): result = BlobFile.save_verified_blob(self, writer) if not self.callback.called: self.callback.callback(True) return result