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add test for concurrent header access

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Victor Shyba 2019-06-25 22:53:03 -03:00 committed by Lex Berezhny
parent c5aeac6898
commit f09c18539b
1 changed files with 20 additions and 0 deletions
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20
torba/tests/client_tests/unit/test_headers.py
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@ -1,4 +1,6 @@
import asyncio
import os
import tempfile
from urllib.request import Request, urlopen
from torba.testcase import AsyncioTestCase
@ -91,3 +93,21 @@ class BasicHeadersTests(BitcoinHeadersTestCase):
self.assertEqual(headers.height, 32250)
await headers.connect(len(headers), remainder)
self.assertEqual(headers.height, 32259)
async def test_concurrency(self):
BLOCKS = 30
headers_temporary_file = tempfile.mktemp()
headers = MainHeaders(headers_temporary_file)
await headers.open()
self.addCleanup(os.remove, headers_temporary_file)
async def writer():
for block_index in range(BLOCKS):
await headers.connect(block_index, self.get_bytes(block_bytes(block_index + 1), block_bytes(block_index)))
async def reader():
for block_index in range(BLOCKS):
while len(headers) < block_index:
await asyncio.sleep(0.000001)
assert headers[block_index]['block_height'] == block_index
reader_task = asyncio.create_task(reader())
await writer()
await reader_task