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urlfetcher: Add http and ftp unit test mocking

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This commit is contained in:
Cole Robinson 2019-06-07 20:55:11 -04:00
parent 9fc20d4a97
commit 37adfb0150
6 changed files with 270 additions and 7 deletions
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87
tests/cli-test-xml/compare/virt-install-fake-ftp.xml Normal file
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@ -0,0 +1,87 @@
<domain type="test">
<name>foobar</name>
<uuid>00000000-1111-2222-3333-444444444444</uuid>
<metadata>
<libosinfo:libosinfo xmlns:libosinfo="http://libosinfo.org/xmlns/libvirt/domain/1.0">
<libosinfo:os id="http://redhat.com/rhel/6.0"/>
</libosinfo:libosinfo>
</metadata>
<memory>65536</memory>
<currentMemory>65536</currentMemory>
<vcpu>2</vcpu>
<os>
<type arch="i686">hvm</type>
<kernel>/tmp/virtinst-vmlinuz.</kernel>
<initrd>/tmp/virtinst-initrd.img.</initrd>
<cmdline>method=ftp://example.com</cmdline>
</os>
<features>
<pae/>
</features>
<clock offset="utc"/>
<on_reboot>destroy</on_reboot>
<pm>
<suspend-to-mem enabled="no"/>
<suspend-to-disk enabled="no"/>
</pm>
<devices>
<emulator>/usr/bin/test-hv</emulator>
<controller type="usb" index="0" model="ich9-ehci1"/>
<controller type="usb" index="0" model="ich9-uhci1">
<master startport="0"/>
</controller>
<controller type="usb" index="0" model="ich9-uhci2">
<master startport="2"/>
</controller>
<controller type="usb" index="0" model="ich9-uhci3">
<master startport="4"/>
</controller>
<interface type="user">
<mac address="00:11:22:33:44:55"/>
<model type="e1000"/>
</interface>
<console type="pty"/>
</devices>
</domain>
<domain type="test">
<name>foobar</name>
<uuid>00000000-1111-2222-3333-444444444444</uuid>
<metadata>
<libosinfo:libosinfo xmlns:libosinfo="http://libosinfo.org/xmlns/libvirt/domain/1.0">
<libosinfo:os id="http://redhat.com/rhel/6.0"/>
</libosinfo:libosinfo>
</metadata>
<memory>65536</memory>
<currentMemory>65536</currentMemory>
<vcpu>2</vcpu>
<os>
<type arch="i686">hvm</type>
<boot dev="hd"/>
</os>
<features>
<pae/>
</features>
<clock offset="utc"/>
<pm>
<suspend-to-mem enabled="no"/>
<suspend-to-disk enabled="no"/>
</pm>
<devices>
<emulator>/usr/bin/test-hv</emulator>
<controller type="usb" index="0" model="ich9-ehci1"/>
<controller type="usb" index="0" model="ich9-uhci1">
<master startport="0"/>
</controller>
<controller type="usb" index="0" model="ich9-uhci2">
<master startport="2"/>
</controller>
<controller type="usb" index="0" model="ich9-uhci3">
<master startport="4"/>
</controller>
<interface type="user">
<mac address="00:11:22:33:44:55"/>
<model type="e1000"/>
</interface>
<console type="pty"/>
</devices>
</domain>

87
tests/cli-test-xml/compare/virt-install-fake-http.xml Normal file
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@ -0,0 +1,87 @@
<domain type="test">
<name>foobar</name>
<uuid>00000000-1111-2222-3333-444444444444</uuid>
<metadata>
<libosinfo:libosinfo xmlns:libosinfo="http://libosinfo.org/xmlns/libvirt/domain/1.0">
<libosinfo:os id="http://redhat.com/rhel/6.0"/>
</libosinfo:libosinfo>
</metadata>
<memory>65536</memory>
<currentMemory>65536</currentMemory>
<vcpu>2</vcpu>
<os>
<type arch="i686">hvm</type>
<kernel>/tmp/virtinst-vmlinuz.</kernel>
<initrd>/tmp/virtinst-initrd.img.</initrd>
<cmdline>method=https://foobar.com</cmdline>
</os>
<features>
<pae/>
</features>
<clock offset="utc"/>
<on_reboot>destroy</on_reboot>
<pm>
<suspend-to-mem enabled="no"/>
<suspend-to-disk enabled="no"/>
</pm>
<devices>
<emulator>/usr/bin/test-hv</emulator>
<controller type="usb" index="0" model="ich9-ehci1"/>
<controller type="usb" index="0" model="ich9-uhci1">
<master startport="0"/>
</controller>
<controller type="usb" index="0" model="ich9-uhci2">
<master startport="2"/>
</controller>
<controller type="usb" index="0" model="ich9-uhci3">
<master startport="4"/>
</controller>
<interface type="user">
<mac address="00:11:22:33:44:55"/>
<model type="e1000"/>
</interface>
<console type="pty"/>
</devices>
</domain>
<domain type="test">
<name>foobar</name>
<uuid>00000000-1111-2222-3333-444444444444</uuid>
<metadata>
<libosinfo:libosinfo xmlns:libosinfo="http://libosinfo.org/xmlns/libvirt/domain/1.0">
<libosinfo:os id="http://redhat.com/rhel/6.0"/>
</libosinfo:libosinfo>
</metadata>
<memory>65536</memory>
<currentMemory>65536</currentMemory>
<vcpu>2</vcpu>
<os>
<type arch="i686">hvm</type>
<boot dev="hd"/>
</os>
<features>
<pae/>
</features>
<clock offset="utc"/>
<pm>
<suspend-to-mem enabled="no"/>
<suspend-to-disk enabled="no"/>
</pm>
<devices>
<emulator>/usr/bin/test-hv</emulator>
<controller type="usb" index="0" model="ich9-ehci1"/>
<controller type="usb" index="0" model="ich9-uhci1">
<master startport="0"/>
</controller>
<controller type="usb" index="0" model="ich9-uhci2">
<master startport="2"/>
</controller>
<controller type="usb" index="0" model="ich9-uhci3">
<master startport="4"/>
</controller>
<interface type="user">
<mac address="00:11:22:33:44:55"/>
<model type="e1000"/>
</interface>
<console type="pty"/>
</devices>
</domain>

2
tests/clitest.py
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@ -782,6 +782,8 @@ c.add_valid("--cdrom %(EXISTIMG2)s --os-variant win2k3 --wait 0 --print-step 2")
c.add_valid("--pxe --autostart") # --autostart flag
c.add_compare("--cdrom http://example.com/path/to/some.iso", "cdrom-url")
c.add_compare("--pxe --print-step all", "simple-pxe") # Diskless PXE install
c.add_compare("--location ftp://example.com", "fake-ftp") # fake ftp:// install using urlfetcher.py mocking
c.add_compare("--location https://foobar.com", "fake-http") # fake https:// install using urlfetcher.py mocking
c.add_invalid("--pxe --virt-type bogus") # Bogus virt-type
c.add_invalid("--pxe --arch bogus") # Bogus arch
c.add_invalid("--livecd") # LiveCD with no media

5
tests/test_urls.py
View File

@ -16,6 +16,9 @@ import virtinst.progress
from virtinst import Installer
from virtinst import Guest
# These are all functional tests
os.environ.pop("VIRTINST_TEST_SUITE", None)
class _URLTestData(object):
"""
@ -182,8 +185,6 @@ def _testURL(testdata):
def _testURLWrapper(testdata):
os.environ.pop("VIRTINST_TEST_SUITE", None)
sys.stdout.write("\nTesting %-25s " % testdata.name)
sys.stdout.flush()

11
virtinst/osdict.py
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@ -8,11 +8,16 @@
import datetime
import logging
import os
import re
from gi.repository import Libosinfo
def _in_testsuite():
return "VIRTINST_TEST_SUITE" in os.environ
###################
# Sorting helpers #
###################
@ -234,6 +239,12 @@ class _OSDB(object):
def guess_os_by_tree(self, location):
if location.startswith("/"):
location = "file://" + location
if _in_testsuite() and not location.startswith("file:"):
# We have mock network tests, but we don't want to pass the
# fake URL to libosinfo because it slows down the testcase
return None
try:
tree = Libosinfo.Tree.create_from_location(location, None)
except Exception as e:

85
virtinst/urlfetcher.py
View File

@ -3,6 +3,8 @@
#
# This work is licensed under the GNU GPLv2 or later.
# See the COPYING file in the top-level directory.
#
# Backends for the various URL types we support (http, https, ftp, local)
import ftplib
import io
@ -15,9 +17,74 @@ import urllib
import requests
###########################################################################
# Backends for the various URL types we support (http, https, ftp, local) #
###########################################################################
##############################
# Mocking for the test suite #
##############################
def _in_testsuite():
return "VIRTINST_TEST_SUITE" in os.environ
def _make_mock_url(url, filesyntax):
if url.endswith("treeinfo"):
# If the url is requesting treeinfo, give a fake treeinfo from
# our testsuite data
fn = ("%s/../tests/cli-test-xml/fakerhel6tree/.treeinfo" %
os.path.abspath(os.path.dirname(__file__)))
abspath = os.path.abspath(fn)
else:
# Otherwise just copy this file
abspath = os.path.abspath(__file__)
if filesyntax:
return "file://" + abspath
return abspath
class _MockRequestsResponse:
def __init__(self, url):
fn = _make_mock_url(url, filesyntax=False)
self._content = open(fn).read()
self.headers = {'content-length': len(self._content)}
def raise_for_status(self):
pass
def iter_content(self, *args, **kwargs):
dummy = args
dummy = kwargs
return [self._content.encode("utf-8")]
class _MockRequestsSession:
def close(self):
pass
def head(self, url, *args, **kwargs):
dummy = args
dummy = kwargs
return _MockRequestsResponse(url)
def get(self, url, *args, **kwargs):
dummy = args
dummy = kwargs
return _MockRequestsResponse(url)
class _MockFTPSession:
def connect(self, *args, **kwargs):
pass
def login(self, *args, **kwargs):
pass
def voidcmd(self, *args, **kwargs):
pass
def quit(self, *args, **kwargs):
pass
def size(self, url):
path = _make_mock_url(url, filesyntax=False)
return os.path.getsize(path)
###########################
# Fetcher implementations #
###########################
class _URLFetcher(object):
"""
@ -168,7 +235,10 @@ class _HTTPURLFetcher(_URLFetcher):
_session = None
def _prepare(self):
self._session = requests.Session()
if _in_testsuite():
self._session = _MockRequestsSession()
else:
self._session = requests.Session()
def _cleanup(self):
if self._session:
@ -227,7 +297,10 @@ class _FTPURLFetcher(_URLFetcher):
try:
parsed = urllib.parse.urlparse(self.location)
self._ftp = ftplib.FTP()
if _in_testsuite():
self._ftp = _MockFTPSession()
else:
self._ftp = ftplib.FTP()
username = urllib.parse.unquote(parsed.username or '')
password = urllib.parse.unquote(parsed.password or '')
self._ftp.connect(parsed.hostname, parsed.port or 0)
@ -242,6 +315,8 @@ class _FTPURLFetcher(_URLFetcher):
"""
Use urllib and ftplib to grab the file
"""
if _in_testsuite():
url = _make_mock_url(url, filesyntax=True)
request = urllib.request.Request(url)
urlobj = urllib.request.urlopen(request)
size = self._ftp.size(urllib.parse.urlparse(url)[2])