forked from LBRYCommunity/lbry-sdk
126 lines
6 KiB
Python
126 lines
6 KiB
Python
import itertools
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from twisted.trial import unittest
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import random
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import mock
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from lbrynet.core.PaymentRateManager import NegotiatedPaymentRateManager, BasePaymentRateManager
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from lbrynet.core.Strategy import BasicAvailabilityWeightedStrategy
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from lbrynet.core.Offer import Offer
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from tests.mocks import BlobAvailabilityTracker as DummyBlobAvailabilityTracker
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MAX_NEGOTIATION_TURNS = 10
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random.seed(12345)
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def get_random_sample(list_to_sample):
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result = list_to_sample[random.randint(1, len(list_to_sample)):random.randint(1, len(list_to_sample))]
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if not result:
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return get_random_sample(list_to_sample)
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return result
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def calculate_negotation_turns(client_base, host_base, host_is_generous=True, client_is_generous=True):
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blobs = [
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'b2e48bb4c88cf46b76adf0d47a72389fae0cd1f19ed27dc509138c99509a25423a4cef788d571dca7988e1dca69e6fa0',
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'd7c82e6cac093b3f16107d2ae2b2c75424f1fcad2c7fbdbe66e4a13c0b6bd27b67b3a29c403b82279ab0f7c1c48d6787',
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'5a450b416275da4bdff604ee7b58eaedc7913c5005b7184fc3bc5ef0b1add00613587f54217c91097fc039ed9eace9dd',
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'f99d24cd50d4bfd77c2598bfbeeb8415bf0feef21200bdf0b8fbbde7751a77b7a2c68e09c25465a2f40fba8eecb0b4e0',
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'9dbda74a472a2e5861a5d18197aeba0f5de67c67e401124c243d2f0f41edf01d7a26aeb0b5fc9bf47f6361e0f0968e2c',
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'91dc64cf1ff42e20d627b033ad5e4c3a4a96856ed8a6e3fb4cd5fa1cfba4bf72eefd325f579db92f45f4355550ace8e7',
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'6d8017aba362e5c5d0046625a039513419810a0397d728318c328a5cc5d96efb589fbca0728e54fe5adbf87e9545ee07',
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'6af95cd062b4a179576997ef1054c9d2120f8592eea045e9667bea411d520262cd5a47b137eabb7a7871f5f8a79c92dd',
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'8c70d5e2f5c3a6085006198e5192d157a125d92e7378794472007a61947992768926513fc10924785bdb1761df3c37e6',
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'c84aa1fd8f5009f7c4e71e444e40d95610abc1480834f835eefb267287aeb10025880a3ce22580db8c6d92efb5bc0c9c'
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]
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host = mock.Mock()
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host.host = "1.2.3.4"
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client = mock.Mock()
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client.host = "1.2.3.5"
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client_base_prm = BasePaymentRateManager(client_base)
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client_prm = NegotiatedPaymentRateManager(client_base_prm,
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DummyBlobAvailabilityTracker(),
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generous=client_is_generous)
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host_base_prm = BasePaymentRateManager(host_base)
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host_prm = NegotiatedPaymentRateManager(host_base_prm,
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DummyBlobAvailabilityTracker(),
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generous=host_is_generous)
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blobs_to_query = get_random_sample(blobs)
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accepted = False
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turns = 0
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while not accepted:
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rate = client_prm.get_rate_blob_data(host, blobs_to_query)
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offer = Offer(rate)
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accepted = host_prm.accept_rate_blob_data(client, blobs_to_query, offer)
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turns += 1
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return turns
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class AvailabilityWeightedStrategyTests(unittest.TestCase):
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def test_first_offer_is_zero_and_second_is_not_if_offer_not_accepted(self):
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strategy = BasicAvailabilityWeightedStrategy(DummyBlobAvailabilityTracker())
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peer = "1.1.1.1"
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blobs = strategy.price_model.blob_tracker.availability.keys()
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offer1 = strategy.make_offer(peer, blobs)
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offer2 = strategy.make_offer(peer, blobs)
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self.assertEquals(offer1.rate, 0.0)
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self.assertNotEqual(offer2.rate, 0.0)
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def test_accept_zero_and_persist_if_accepted(self):
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host_strategy = BasicAvailabilityWeightedStrategy(DummyBlobAvailabilityTracker())
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client_strategy = BasicAvailabilityWeightedStrategy(DummyBlobAvailabilityTracker())
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client = "1.1.1.1"
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host = "1.1.1.2"
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blobs = host_strategy.price_model.blob_tracker.availability.keys()
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offer = client_strategy.make_offer(host, blobs)
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response1 = host_strategy.respond_to_offer(offer, client, blobs)
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client_strategy.update_accepted_offers(host, response1)
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offer = client_strategy.make_offer(host, blobs)
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response2 = host_strategy.respond_to_offer(offer, client, blobs)
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client_strategy.update_accepted_offers(host, response2)
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self.assertEquals(response1.is_too_low, False)
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self.assertEquals(response1.is_accepted, True)
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self.assertEquals(response1.rate, 0.0)
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self.assertEquals(response2.is_too_low, False)
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self.assertEquals(response2.is_accepted, True)
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self.assertEquals(response2.rate, 0.0)
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def test_how_many_turns_before_accept_with_similar_rate_settings(self):
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base_rates = [0.0001 * n for n in range(1, 10)]
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for host_base, client_base in itertools.product(base_rates, base_rates):
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turns = calculate_negotation_turns(host_base,
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client_base,
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client_is_generous=False,
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host_is_generous=False)
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self.assertGreater(MAX_NEGOTIATION_TURNS, turns)
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def test_generous_connects_in_one_turn(self):
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base_rates = [0.0001 * n for n in range(1, 10)]
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for host_base, client_base in itertools.product(base_rates, base_rates):
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turns = calculate_negotation_turns(host_base, client_base)
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self.assertEqual(1, turns)
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def test_how_many_turns_with_generous_client(self):
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base_rates = [0.0001 * n for n in range(1, 10)]
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for host_base, client_base in itertools.product(base_rates, base_rates):
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turns = calculate_negotation_turns(host_base,
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client_base,
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host_is_generous=False)
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self.assertGreater(MAX_NEGOTIATION_TURNS, turns)
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def test_how_many_turns_with_generous_host(self):
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base_rates = [0.0001 * n for n in range(1, 10)]
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for host_base, client_base in itertools.product(base_rates, base_rates):
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turns = calculate_negotation_turns(host_base,
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client_base,
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client_is_generous=False)
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self.assertGreater(MAX_NEGOTIATION_TURNS, turns)
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