870372055d
Make pylint happy (and our code cleaner) and drop unused arguments (or prefix with an underscore if we do not control the ABI).
99 lines
3.1 KiB
Python
99 lines
3.1 KiB
Python
import contextlib
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import ctypes
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import http.server
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import json
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import os
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import socketserver
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import subprocess
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import tempfile
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import threading
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import unittest
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import osbuild.sources
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def errcheck(ret, _func, _args):
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if ret == -1:
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e = ctypes.get_errno()
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raise OSError(e, os.strerror(e))
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CLONE_NEWNET = 0x40000000
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libc = ctypes.CDLL('libc.so.6', use_errno=True)
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libc.setns.errcheck = errcheck
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@contextlib.contextmanager
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def netns():
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# Grab a reference to the current namespace.
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with open("/proc/self/ns/net") as oldnet:
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# Create a new namespace and enter it.
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libc.unshare(CLONE_NEWNET)
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# Up the loopback device in the new namespace.
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subprocess.run(["ip", "link", "set", "up", "dev", "lo"], check=True)
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try:
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yield
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finally:
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# Revert to the old namespace, dropping our
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# reference to the new one.
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libc.setns(oldnet.fileno(), CLONE_NEWNET)
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@contextlib.contextmanager
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def fileServer():
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with netns():
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# This is leaked until the program exits, but inaccessible after the with
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# due to the network namespace.
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barrier = threading.Barrier(2)
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thread = threading.Thread(target=runFileServer, args=(barrier,))
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thread.daemon = True
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thread.start()
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barrier.wait()
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yield
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def runFileServer(barrier):
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httpd = socketserver.TCPServer(('', 80), http.server.SimpleHTTPRequestHandler)
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barrier.wait()
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httpd.serve_forever()
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class TestSources(unittest.TestCase):
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def setUp(self):
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self.sources = 'test/sources_tests'
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def check_case(self, source, case, api_path):
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expects = case["expects"]
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if expects == "error":
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with self.assertRaises(RuntimeError):
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osbuild.sources.get(source, case["checksums"], api_path=api_path)
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elif expects == "success":
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r = osbuild.sources.get(source, case["checksums"], api_path=api_path)
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self.assertEqual(r, {})
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else:
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raise ValueError(f"invalid expectation: {expects}")
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def check_source(self, source):
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source_options = {}
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with open(f"{self.sources}/{source}/sources.json") as f:
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source_options = json.load(f)
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for case in os.listdir(f"{self.sources}/{source}/cases"):
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with self.subTest(case=case):
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case_options = {}
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with open(f"{self.sources}/{source}/cases/{case}") as f:
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case_options = json.load(f)
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with tempfile.TemporaryDirectory() as tmpdir, \
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fileServer(), \
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osbuild.sources.SourcesServer(
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f"{tmpdir}/sources-api",
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"./sources", source_options,
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f"{tmpdir}/cache", f"{tmpdir}/dst"):
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self.check_case(source, case_options, f"{tmpdir}/sources-api")
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self.check_case(source, case_options, f"{tmpdir}/sources-api")
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def test_sources(self):
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for source in os.listdir(self.sources):
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with self.subTest(source=source):
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self.check_source(source)
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