In the new python test framework, we cannot use the fetch_asset()
function from Avocado anymore, so we have to provide our own
implementation now instead. Thus add such a function based on the
urllib python module for this purpose.
Signed-off-by: Thomas Huth <th...@redhat.com>
---
tests/functional/qemu_test/__init__.py | 36 ++++++++++++++++++++++++++
1 file changed, 36 insertions(+)
diff --git a/tests/functional/qemu_test/__init__.py
b/tests/functional/qemu_test/__init__.py
index e73705d40a..77c3b14d34 100644
--- a/tests/functional/qemu_test/__init__.py
+++ b/tests/functional/qemu_test/__init__.py
@@ -11,6 +11,8 @@
# This work is licensed under the terms of the GNU GPL, version 2 or
# later. See the COPYING file in the top-level directory.
+import hashlib
+import urllib.request
import logging
import os
import pycotap
@@ -23,6 +25,7 @@
import unittest
from pathlib import Path
+from shutil import copyfileobj
from qemu.machine import QEMUMachine
from qemu.utils import (get_info_usernet_hostfwd_port, kvm_available,
tcg_available)
@@ -215,6 +218,39 @@ def setUp(self, bin_prefix):
if not os.path.exists(self.workdir):
os.makedirs(self.workdir)
+ def check_hash(self, file_name, expected_hash):
+ if not expected_hash:
+ return True
+ if len(expected_hash) == 40:
+ sum_prog = 'sha1sum'
+ elif len(expected_hash) == 64:
+ sum_prog = 'sha256sum'
+ elif len(expected_hash) == 128:
+ sum_prog = 'sha512sum'
+ else:
+ raise Exception("unknown hash type")
+ checksum = subprocess.check_output([sum_prog, file_name]).split()[0]
+ return expected_hash == checksum.decode("utf-8")
+
+ def fetch_asset(self, url, asset_hash):
+ cache_dir = os.path.expanduser("~/.cache/qemu/download")
+ if not os.path.exists(cache_dir):
+ os.makedirs(cache_dir)
+ fname = os.path.join(cache_dir,
+ hashlib.sha256(url.encode("utf-8")).hexdigest())
+ if os.path.exists(fname) and self.check_hash(fname, asset_hash):
+ return fname
+ self.log.info("Downloading %s to %s...", url, fname)
+ dl_fname = fname + ".download"
+ with urllib.request.urlopen(url) as src:
+ with open(dl_fname, "wb+") as dst:
+ copyfileobj(src, dst)
+ if not self.check_hash(dl_fname, asset_hash):
+ os.remove(dl_fname)
+ raise Exception("Hash of " + url + " does not match")
+ os.rename(dl_fname, fname)
+ return fname
+
def main():
tr = pycotap.TAPTestRunner(message_log = pycotap.LogMode.LogToError,
test_output_log =
pycotap.LogMode.LogToError)
--
2.45.2
