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#! /usr/bin/env python3
#
# Copyright (C) 2018 Garmin Ltd.
#
# SPDX-License-Identifier: GPL-2.0-only
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import unittest
import threading
import sqlite3
import hashlib
import urllib.request
import json
from . import create_server
class TestHashEquivalenceServer(unittest.TestCase):
def setUp(self):
# Start an in memory hash equivalence server in the background bound to
# an ephemeral port
db = sqlite3.connect(':memory:', check_same_thread=False)
self.server = create_server(('localhost', 0), db)
self.server_addr = 'http://localhost:%d' % self.server.socket.getsockname()[1]
self.server_thread = threading.Thread(target=self.server.serve_forever)
self.server_thread.start()
def tearDown(self):
# Shutdown server
s = getattr(self, 'server', None)
if s is not None:
self.server.shutdown()
self.server_thread.join()
self.server.server_close()
def send_get(self, path):
url = '%s/%s' % (self.server_addr, path)
request = urllib.request.Request(url)
response = urllib.request.urlopen(request)
return json.loads(response.read().decode('utf-8'))
def send_post(self, path, data):
headers = {'content-type': 'application/json'}
url = '%s/%s' % (self.server_addr, path)
request = urllib.request.Request(url, json.dumps(data).encode('utf-8'), headers)
response = urllib.request.urlopen(request)
return json.loads(response.read().decode('utf-8'))
def test_create_hash(self):
# Simple test that hashes can be created
taskhash = '35788efcb8dfb0a02659d81cf2bfd695fb30faf9'
outhash = '2765d4a5884be49b28601445c2760c5f21e7e5c0ee2b7e3fce98fd7e5970796f'
unihash = 'f46d3fbb439bd9b921095da657a4de906510d2cd'
d = self.send_get('v1/equivalent?method=TestMethod&taskhash=%s' % taskhash)
self.assertIsNone(d, msg='Found unexpected task, %r' % d)
d = self.send_post('v1/equivalent', {
'taskhash': taskhash,
'method': 'TestMethod',
'outhash': outhash,
'unihash': unihash,
})
self.assertEqual(d['unihash'], unihash, 'Server returned bad unihash')
def test_create_equivalent(self):
# Tests that a second reported task with the same outhash will be
# assigned the same unihash
taskhash = '53b8dce672cb6d0c73170be43f540460bfc347b4'
outhash = '5a9cb1649625f0bf41fc7791b635cd9c2d7118c7f021ba87dcd03f72b67ce7a8'
unihash = 'f37918cc02eb5a520b1aff86faacbc0a38124646'
d = self.send_post('v1/equivalent', {
'taskhash': taskhash,
'method': 'TestMethod',
'outhash': outhash,
'unihash': unihash,
})
self.assertEqual(d['unihash'], unihash, 'Server returned bad unihash')
# Report a different task with the same outhash. The returned unihash
# should match the first task
taskhash2 = '3bf6f1e89d26205aec90da04854fbdbf73afe6b4'
unihash2 = 'af36b199320e611fbb16f1f277d3ee1d619ca58b'
d = self.send_post('v1/equivalent', {
'taskhash': taskhash2,
'method': 'TestMethod',
'outhash': outhash,
'unihash': unihash2,
})
self.assertEqual(d['unihash'], unihash, 'Server returned bad unihash')
def test_duplicate_taskhash(self):
# Tests that duplicate reports of the same taskhash with different
# outhash & unihash always return the unihash from the first reported
# taskhash
taskhash = '8aa96fcffb5831b3c2c0cb75f0431e3f8b20554a'
outhash = 'afe240a439959ce86f5e322f8c208e1fedefea9e813f2140c81af866cc9edf7e'
unihash = '218e57509998197d570e2c98512d0105985dffc9'
d = self.send_post('v1/equivalent', {
'taskhash': taskhash,
'method': 'TestMethod',
'outhash': outhash,
'unihash': unihash,
})
d = self.send_get('v1/equivalent?method=TestMethod&taskhash=%s' % taskhash)
self.assertEqual(d['unihash'], unihash)
outhash2 = '0904a7fe3dc712d9fd8a74a616ddca2a825a8ee97adf0bd3fc86082c7639914d'
unihash2 = 'ae9a7d252735f0dafcdb10e2e02561ca3a47314c'
d = self.send_post('v1/equivalent', {
'taskhash': taskhash,
'method': 'TestMethod',
'outhash': outhash2,
'unihash': unihash2
})
d = self.send_get('v1/equivalent?method=TestMethod&taskhash=%s' % taskhash)
self.assertEqual(d['unihash'], unihash)
outhash3 = '77623a549b5b1a31e3732dfa8fe61d7ce5d44b3370f253c5360e136b852967b4'
unihash3 = '9217a7d6398518e5dc002ed58f2cbbbc78696603'
d = self.send_post('v1/equivalent', {
'taskhash': taskhash,
'method': 'TestMethod',
'outhash': outhash3,
'unihash': unihash3
})
d = self.send_get('v1/equivalent?method=TestMethod&taskhash=%s' % taskhash)
self.assertEqual(d['unihash'], unihash)
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