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import pytest
import os
import hashlib
from time import sleep
from tests.lib import * # NOQA - fixtures
from pyircbot.modules import DCC
@pytest.fixture
def dccbot(fakebot):
"""
Provide a bot loaded with the DCC module
"""
fakebot.botconfig["module_configs"]["DCC"] = {
"port_range": [40690, 40990],
"public_addr": "127.0.0.1",
"bind_host": "127.0.0.1"
}
fakebot.loadmodule("DCC")
return fakebot
def _make_test_tempfiles(length, basedir):
tmpfpath = os.path.join(basedir.dirname, "hello.bin")
with open(tmpfpath, 'wb') as fout:
fout.write(os.urandom(length))
# hash the tmpfile for later comparison
m = hashlib.sha256()
with open(tmpfpath, "rb") as ftmp:
m.update(ftmp.read())
srchash = m.hexdigest()
return tmpfpath, srchash
@pytest.mark.slow
def test_offerrecv(dccbot, tmpdir):
# allocate a temp file
flen = 1024 * 51
tmpfpath, srchash = _make_test_tempfiles(flen, tmpdir)
# offer th file over DCC
ip, port, reported_len, offer = dccbot.moduleInstances['DCC'].offer(tmpfpath)
reported_len = int(reported_len)
assert reported_len == flen, "offer reported wrong file length!"
ip = DCC.int2ip(ip)
while not offer.bound:
sleep(0.001)
# receive the file over DCC
recver = dccbot.moduleInstances['DCC'].recieve(ip, port, reported_len)
data = b''
d = hashlib.sha256()
for chunk in iter(recver):
data += chunk
d.update(chunk)
# verify hashes and lengths
assert len(data) == flen, "file not completely transferred"
assert d.hexdigest() == srchash, "file was mangled in transfer"
@pytest.mark.slow
def test_tooshortfails(dccbot, tmpdir):
# allocate a temp file
flen = 1024 * 51
tmpfpath, srchash = _make_test_tempfiles(flen, tmpdir)
# offer th file over DCC
ip, port, reported_len, offer = dccbot.moduleInstances['DCC'].offer(tmpfpath)
reported_len = int(reported_len)
assert reported_len == flen, "offer reported wrong file length!"
ip = DCC.int2ip(ip)
while not offer.bound:
sleep(0.001)
recver = dccbot.moduleInstances['DCC'].recieve(ip, port, reported_len + 1) # the magic
# fail to receive the file over DCC
# with pytest.raises(TransferFailedException):
try:
for chunk in iter(recver):
print(len(chunk))
# except DCC.TransferFailedException as te:
# return
except Exception as fe:
assert fe.args == ('Transfer failed: expected 52225 bytes but got 52224',)
return
raise Exception("Did not raise")
@pytest.mark.slow
def test_toolongfails(dccbot, tmpdir):
# allocate a temp file
flen = 1024 * 51
tmpfpath, srchash = _make_test_tempfiles(flen, tmpdir)
# offer th file over DCC
ip, port, reported_len, offer = dccbot.moduleInstances['DCC'].offer(tmpfpath)
reported_len = int(reported_len)
assert reported_len == flen, "offer reported wrong file length!"
ip = DCC.int2ip(ip)
while not offer.bound:
sleep(0.001)
recver = dccbot.moduleInstances['DCC'].recieve(ip, port, reported_len - 1) # the magic
# fail to receive the file over DCC
# with pytest.raises(TransferFailedException):
try:
for chunk in iter(recver):
print(len(chunk))
# except DCC.TransferFailedException as te:
# return
except Exception as fe:
assert fe.args == ('Transfer failed: expected 52223 bytes but got 52224',)
return
raise Exception("Did not raise")