chainqueue/tests/test_cache.py

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# standard imports
import os
import logging
import unittest
import math
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# external imports
from hexathon import add_0x
from chainlib.chain import ChainSpec
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# local imports
from chainqueue import QueueEntry
from chainqueue.cache import (
CacheTokenTx,
CacheFilter,
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)
# test imports
from tests.base_shep import TestShepBase
from tests.common import (
MockTokenCache,
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MockCacheTokenTx,
)
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logging.basicConfig(level=logging.DEBUG)
logg = logging.getLogger()
class MockNormalizer:
def address(self, v):
return 'address' + v
def value(self, v):
dv = int(math.log10(v) + 1)
return float(v / (10 ** dv))
def hash(self, v):
return 'ashbashhash' + v
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class TestCache(TestShepBase):
def setUp(self):
super(TestCache, self).setUp()
self.chain_spec = ChainSpec('foo', 'bar', 42, 'baz')
self.cache = MockTokenCache()
def test_cache_instance(self):
normalizer = MockNormalizer()
a = b'foo'
tx = MockCacheTokenTx(normalizer=normalizer)
tx.deserialize(a)
self.assertTrue(isinstance(tx.value, float))
self.assertEqual(tx.sender[:4], 'addr')
self.assertEqual(tx.recipient[:4], 'addr')
self.assertEqual(tx.tx_hash[:11], 'ashbashhash')
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def test_cache_putget(self):
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a = b'foo'
tx = MockCacheTokenTx()
tx.deserialize(a)
self.cache.put(self.chain_spec, tx)
tx_retrieved = self.cache.get(self.chain_spec, tx.tx_hash)
self.assertEqual(tx, tx_retrieved)
def test_cache_filter(self):
normalizer = MockNormalizer()
fltr = CacheFilter(normalizer=normalizer)
sender = os.urandom(20).hex()
fltr.add_senders(sender)
recipient_one = os.urandom(20).hex()
recipient_two = os.urandom(20).hex()
fltr.add_recipients([recipient_one, recipient_two])
self.assertEqual(fltr.senders[0][:4], 'addr')
self.assertEqual(fltr.recipients[1][:4], 'addr')
def test_cache_query(self):
a = os.urandom(20).hex()
fltr = CacheFilter(nonce=42)
self.cache.count(fltr)
self.assertEqual(self.cache.last_filter, fltr)
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if __name__ == '__main__':
unittest.main()