127 lines
4.8 KiB
Python
127 lines
4.8 KiB
Python
import StringIO
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import mock
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from twisted.internet import defer
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from twisted.test import proto_helpers
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from twisted.trial import unittest
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from lbrynet.core import Peer
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from lbrynet.core.server import BlobRequestHandler
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from lbrynet.core.PaymentRateManager import NegotiatedPaymentRateManager, BasePaymentRateManager
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from tests.mocks import BlobAvailabilityTracker as DummyBlobAvailabilityTracker
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class TestBlobRequestHandlerQueries(unittest.TestCase):
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def setUp(self):
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self.blob_manager = mock.Mock()
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self.payment_rate_manager = NegotiatedPaymentRateManager(BasePaymentRateManager(0.001), DummyBlobAvailabilityTracker())
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self.handler = BlobRequestHandler.BlobRequestHandler(self.blob_manager, None, self.payment_rate_manager)
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def test_empty_response_when_empty_query(self):
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self.assertEqual({}, self.successResultOf(self.handler.handle_queries({})))
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def test_error_set_when_rate_is_missing(self):
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query = {'requested_blob': 'blob'}
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deferred = self.handler.handle_queries(query)
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response = {'incoming_blob': {'error': 'RATE_UNSET'}}
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self.assertEqual(response, self.successResultOf(deferred))
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def test_error_set_when_rate_too_low(self):
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query = {
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'blob_data_payment_rate': '-1.0',
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'requested_blob': 'blob'
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}
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deferred = self.handler.handle_queries(query)
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response = {
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'blob_data_payment_rate': 'RATE_TOO_LOW',
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'incoming_blob': {'error': 'RATE_UNSET'}
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}
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self.assertEqual(response, self.successResultOf(deferred))
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def test_response_when_rate_too_low(self):
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query = {
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'blob_data_payment_rate': '-1.0',
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}
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deferred = self.handler.handle_queries(query)
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response = {
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'blob_data_payment_rate': 'RATE_TOO_LOW',
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}
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self.assertEqual(response, self.successResultOf(deferred))
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def test_blob_unavailable_when_blob_not_validated(self):
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blob = mock.Mock()
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blob.is_validated.return_value = False
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self.blob_manager.get_blob.return_value = defer.succeed(blob)
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query = {
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'blob_data_payment_rate': 1.0,
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'requested_blob': 'blob'
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}
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deferred = self.handler.handle_queries(query)
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response = {
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'blob_data_payment_rate': 'RATE_ACCEPTED',
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'incoming_blob': {'error': 'BLOB_UNAVAILABLE'}
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}
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self.assertEqual(response, self.successResultOf(deferred))
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def test_blob_unavailable_when_blob_cannot_be_opened(self):
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blob = mock.Mock()
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blob.is_validated.return_value = True
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blob.open_for_reading.return_value = None
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self.blob_manager.get_blob.return_value = defer.succeed(blob)
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query = {
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'blob_data_payment_rate': 0.0,
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'requested_blob': 'blob'
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}
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deferred = self.handler.handle_queries(query)
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response = {
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'blob_data_payment_rate': 'RATE_ACCEPTED',
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'incoming_blob': {'error': 'BLOB_UNAVAILABLE'}
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}
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self.assertEqual(response, self.successResultOf(deferred))
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def test_blob_details_are_set_when_all_conditions_are_met(self):
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blob = mock.Mock()
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blob.is_validated.return_value = True
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blob.open_for_reading.return_value = True
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blob.blob_hash = 'DEADBEEF'
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blob.length = 42
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peer = mock.Mock()
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peer.host = "1.2.3.4"
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self.handler.peer = peer
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self.blob_manager.get_blob.return_value = defer.succeed(blob)
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query = {
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'blob_data_payment_rate': 1.0,
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'requested_blob': 'blob'
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}
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deferred = self.handler.handle_queries(query)
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response = {
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'blob_data_payment_rate': 'RATE_ACCEPTED',
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'incoming_blob': {
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'blob_hash': 'DEADBEEF',
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'length': 42
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}
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}
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result = self.successResultOf(deferred)
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self.assertEqual(response, result)
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class TestBlobRequestHandlerSender(unittest.TestCase):
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def test_nothing_happens_if_not_currently_uploading(self):
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handler = BlobRequestHandler.BlobRequestHandler(None, None, None)
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handler.currently_uploading = None
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deferred = handler.send_blob_if_requested(None)
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self.assertEqual(True, self.successResultOf(deferred))
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def test_file_is_sent_to_consumer(self):
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# TODO: also check that the expected payment values are set
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consumer = proto_helpers.StringTransport()
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test_file = StringIO.StringIO('test')
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handler = BlobRequestHandler.BlobRequestHandler(None, None, None)
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handler.peer = mock.create_autospec(Peer.Peer)
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handler.currently_uploading = mock.Mock()
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handler.read_handle = test_file
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handler.send_blob_if_requested(consumer)
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while consumer.producer:
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consumer.producer.resumeProducing()
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self.assertEqual(consumer.value(), 'test')
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