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gns3-server/tests/utils/test_images.py

205 lines
6.6 KiB
Python

# -*- coding: utf-8 -*-
#
# Copyright (C) 2014 GNS3 Technologies Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# 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, see <http://www.gnu.org/licenses/>.
import os
import sys
import threading
from unittest.mock import patch
from gns3server.utils import force_unix_path
from gns3server.utils.images import md5sum, remove_checksum, images_directories, list_images
def test_images_directories(tmpdir):
path1 = tmpdir / "images1" / "QEMU" / "test1.bin"
path1.write("1", ensure=True)
path1 = force_unix_path(str(path1))
path2 = tmpdir / "images2" / "test2.bin"
path2.write("1", ensure=True)
path2 = force_unix_path(str(path2))
with patch("gns3server.config.Config.get_section_config", return_value={
"images_path": str(tmpdir / "images1"),
"additional_images_path": "/tmp/null24564;{}".format(tmpdir / "images2"),
"local": False}):
# /tmp/null24564 is ignored because doesn't exists
res = images_directories("qemu")
assert res[0] == force_unix_path(str(tmpdir / "images1" / "QEMU"))
assert res[1] == force_unix_path(str(tmpdir / "images2"))
assert res[2] == force_unix_path(str(tmpdir / "images1"))
assert len(res) == 3
def test_md5sum(tmpdir):
fake_img = str(tmpdir / 'hello载')
with open(fake_img, 'w+') as f:
f.write('hello')
assert md5sum(fake_img) == '5d41402abc4b2a76b9719d911017c592'
with open(str(tmpdir / 'hello载.md5sum')) as f:
assert f.read() == '5d41402abc4b2a76b9719d911017c592'
def test_md5sum_stopped_event(tmpdir):
fake_img = str(tmpdir / 'hello_stopped')
with open(fake_img, 'w+') as f:
f.write('hello')
event = threading.Event()
event.set()
assert md5sum(fake_img, stopped_event=event) is None
assert not os.path.exists(str(tmpdir / 'hello_stopped.md5sum'))
def test_md5sum_existing_digest(tmpdir):
fake_img = str(tmpdir / 'hello')
with open(fake_img, 'w+') as f:
f.write('hello')
with open(str(tmpdir / 'hello.md5sum'), 'w+') as f:
f.write('aaaaa02abc4b2a76b9719d911017c592')
assert md5sum(fake_img) == 'aaaaa02abc4b2a76b9719d911017c592'
def test_md5sum_existing_digest_but_missing_image(tmpdir):
fake_img = str(tmpdir / 'hello')
with open(str(tmpdir / 'hello.md5sum'), 'w+') as f:
f.write('aaaaa02abc4b2a76b9719d911017c592')
assert md5sum(fake_img) is None
def test_md5sum_none(tmpdir):
assert md5sum(None) is None
def test_remove_checksum(tmpdir):
with open(str(tmpdir / 'hello.md5sum'), 'w+') as f:
f.write('aaaaa02abc4b2a76b9719d911017c592')
remove_checksum(str(tmpdir / 'hello'))
assert not os.path.exists(str(tmpdir / 'hello.md5sum'))
remove_checksum(str(tmpdir / 'not_exists'))
def test_list_images(tmpdir):
# IOS image in the images directory
ios_image_1 = tmpdir / "images1" / "IOS" / "ios_image_1.image"
ios_image_1.write(b'\x7fELF\x01\x02\x01', ensure=True)
ios_image_1 = force_unix_path(str(ios_image_1))
# IOS image in an additional images path
ios_image_2 = tmpdir / "images2" / "ios_image_2.image"
ios_image_2.write(b'\x7fELF\x01\x02\x01', ensure=True)
ios_image_2 = force_unix_path(str(ios_image_2))
# Not a valid elf file
not_elf_file = tmpdir / "images1" / "IOS" / "not_elf.image"
not_elf_file.write(b'NOTANELF', ensure=True)
not_elf_file = force_unix_path(str(not_elf_file))
# Invalid image because it is very small
small_file = tmpdir / "images1" / "too_small.image"
small_file.write(b'1', ensure=True)
if sys.platform.startswith("linux"):
# 64-bit IOU image
iou_image_1 = tmpdir / "images1" / "IOU" / "iou64.bin"
iou_image_1.write(b'\x7fELF\x02\x01\x01', ensure=True)
iou_image_1 = force_unix_path(str(iou_image_1))
# 32-bit IOU image
iou_image_2 = tmpdir / "images1" / "IOU" / "iou32.bin"
iou_image_2.write(b'\x7fELF\x01\x01\x01', ensure=True) # 32-bit IOU image
iou_image_2 = force_unix_path(str(iou_image_2))
# Qemu image
qemu_image_1 = tmpdir / "images1" / "QEMU" / "qemu_image.qcow2"
qemu_image_1.write("1234567", ensure=True)
qemu_image_1 = force_unix_path(str(qemu_image_1))
# ELF file inside the Qemu
elf_file = tmpdir / "images1" / "QEMU" / "elf_file.bin"
elf_file.write(b'\x7fELF\x02\x01\x01', ensure=True) # ELF file
elf_file = force_unix_path(str(elf_file))
md5sum_file = tmpdir / "images1" / "QEMU" / "image.qcow2.md5sum"
md5sum_file.write("1", ensure=True)
md5sum_file = force_unix_path(str(md5sum_file))
with patch("gns3server.config.Config.get_section_config", return_value={
"images_path": str(tmpdir / "images1"),
"additional_images_path": "/tmp/null24564;{}".format(str(tmpdir / "images2")),
"local": False}):
assert list_images("dynamips") == [
{
'filename': 'ios_image_1.image',
'filesize': 7,
'md5sum': 'b0d5aa897d937aced5a6b1046e8f7e2e',
'path': 'ios_image_1.image'
},
{
'filename': 'ios_image_2.image',
'filesize': 7,
'md5sum': 'b0d5aa897d937aced5a6b1046e8f7e2e',
'path': str(ios_image_2)
}
]
if sys.platform.startswith("linux"):
assert list_images("iou") == [
{
'filename': 'iou64.bin',
'filesize': 7,
'md5sum': 'c73626d23469519894d58bc98bee9655',
'path': 'iou64.bin'
},
{
'filename': 'iou32.bin',
'filesize': 7,
'md5sum': 'e573e8f5c93c6c00783f20c7a170aa6c',
'path': 'iou32.bin'
}
]
assert list_images("qemu") == [
{
'filename': 'qemu_image.qcow2',
'filesize': 7,
'md5sum': 'fcea920f7412b5da7be0cf42b8c93759',
'path': 'qemu_image.qcow2'
}
]