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import os
import sys
import subprocess
import tempfile
import unittest
from commontest import old_test_dir, abs_test_dir
from rdiff_backup.connection import LowLevelPipeConnection, PipeConnection, \
VirtualFile, SetConnections
from rdiff_backup import Globals, rpath, FilenameMapping, Security
SourceDir = 'rdiff_backup'
regfilename = os.path.join(old_test_dir, b"various_file_types",
b"regular_file")
class LocalConnectionTest(unittest.TestCase):
"""Test the dummy connection"""
lc = Globals.local_connection
def testGetAttrs(self):
"""Test getting of various attributes"""
self.assertIsInstance(self.lc.LocalConnection, type)
try:
self.lc.asotnuhaoseu
except (NameError, KeyError):
pass
else:
unittest.fail("NameError or KeyError should be raised")
def testSetattrs(self):
"""Test setting of global attributes"""
self.lc.x = 5
self.assertEqual(self.lc.x, 5)
self.lc.x = 7
self.assertEqual(self.lc.x, 7)
def testDelattrs(self):
"""Testing deletion of attributes"""
self.lc.x = 5
del self.lc.x
try:
self.lc.x
except (NameError, KeyError):
pass
else:
unittest.fail("No exception raised")
def testReval(self):
"""Test string evaluation"""
self.assertEqual(self.lc.reval("pow", 2, 3), 8)
class LowLevelPipeConnectionTest(unittest.TestCase):
"""Test LLPC class"""
objs = ["Hello", ("Tuple", "of", "strings"), [1, 2, 3, 4], 53.34235]
excts = [TypeError("te"), NameError("ne"), os.error("oe")]
filename = tempfile.mktemp()
def testObjects(self):
"""Try moving objects across connection"""
with open(self.filename, "wb") as outpipe:
LLPC = LowLevelPipeConnection(None, outpipe)
for obj in self.objs:
LLPC._putobj(obj, 3)
with open(self.filename, "rb") as inpipe:
LLPC.inpipe = inpipe
for obj in self.objs:
gotten = LLPC._get()
self.assertEqual(gotten, (3, obj))
os.unlink(self.filename)
def testBuf(self):
"""Try moving a buffer"""
with open(self.filename, "wb") as outpipe:
LLPC = LowLevelPipeConnection(None, outpipe)
with open(regfilename, "rb") as inpipe:
inbuf = inpipe.read()
LLPC._putbuf(inbuf, 234)
with open(self.filename, "rb") as inpipe:
LLPC.inpipe = inpipe
self.assertEqual((234, inbuf), LLPC._get())
os.unlink(self.filename)
def testSendingExceptions(self):
"""Exceptions should also be sent down pipe well"""
with open(self.filename, "wb") as outpipe:
LLPC = LowLevelPipeConnection(None, outpipe)
for exception in self.excts:
LLPC._putobj(exception, 0)
with open(self.filename, "rb") as inpipe:
LLPC.inpipe = inpipe
for exception in self.excts:
incoming_exception = LLPC._get()
self.assertIsInstance(incoming_exception[1], exception.__class__)
os.unlink(self.filename)
class PipeConnectionTest(unittest.TestCase):
"""Test Pipe connection"""
def setUp(self):
"""Must start a server for this"""
pipe_cmd = "%s testing/server.py %s" \
% (sys.executable, SourceDir)
self.p = subprocess.Popen(pipe_cmd,
shell=True,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
close_fds=True)
(stdin, stdout) = (self.p.stdin, self.p.stdout)
self.conn = PipeConnection(stdout, stdin, process=self.p)
Security._security_level = "override"
def testBasic(self):
"""Test some basic pipe functions"""
self.assertEqual(self.conn.ord("a"), 97)
self.assertEqual(self.conn.pow(2, 3), 8)
self.assertEqual(self.conn.reval("ord", "a"), 97)
def testModules(self):
"""Test module emulation"""
self.assertIsInstance(self.conn.tempfile.mktemp(), str)
self.assertEqual(self.conn.os.path.join(b"a", b"b"),
os.path.join(b"a", b"b"))
rp1 = rpath.RPath(self.conn, regfilename)
self.assertTrue(rp1.isreg())
def testVirtualFiles(self):
"""Testing virtual files"""
# generate file name for temporary file
temp_file = os.path.join(abs_test_dir, b"tempout")
tempout = self.conn.open(temp_file, "wb")
self.assertIsInstance(tempout, VirtualFile)
regfilefp = open(regfilename, "rb")
rpath.copyfileobj(regfilefp, tempout)
tempout.close()
regfilefp.close()
tempoutlocal = open(temp_file, "rb")
regfilefp = open(regfilename, "rb")
self.assertTrue(rpath._cmp_file_obj(regfilefp, tempoutlocal))
tempoutlocal.close()
regfilefp.close()
os.unlink(temp_file)
with open(regfilename, "rb") as localfh:
self.assertTrue(rpath._cmp_file_obj(self.conn.open(
regfilename, "rb"), localfh))
def testString(self):
"""Test transmitting strings"""
self.assertEqual("32", self.conn.str(32))
self.assertEqual(32, self.conn.int("32"))
def testIterators(self):
"""Test transmission of iterators"""
i = iter([5, 10, 15] * 100)
self.assertTrue(self.conn.hasattr(i, "__next__")
and self.conn.hasattr(i, "__iter__"))
ret_val = self.conn.reval("lambda i: next(i)*next(i)", i)
self.assertEqual(ret_val, 50)
def testRPaths(self):
"""Test transmission of rpaths"""
rp = rpath.RPath(self.conn, regfilename)
self.assertEqual(self.conn.reval("lambda rp: rp.data", rp), rp.data)
self.assertTrue(self.conn.reval(
"lambda rp: rp.conn is Globals.local_connection", rp))
def testQuotedRPaths(self):
"""Test transmission of quoted rpaths"""
qrp = FilenameMapping.QuotedRPath(self.conn, regfilename)
self.assertEqual(self.conn.reval("lambda qrp: qrp.data", qrp), qrp.data)
self.assertTrue(qrp.isreg())
qrp_class_str = self.conn.reval("lambda qrp: str(qrp.__class__)", qrp)
self.assertGreater(qrp_class_str.find("QuotedRPath"), -1)
def testExceptions(self):
"""Test exceptional results"""
self.assertRaises(os.error, self.conn.os.lstat,
"asoeut haosetnuhaoseu tn")
self.assertRaises(SyntaxError, self.conn.reval, "aoetnsu aoehtnsu")
self.assertEqual(self.conn.pow(2, 3), 8)
def tearDown(self):
"""Bring down connection"""
self.conn.quit()
class RedirectedConnectionTest(unittest.TestCase):
"""Test routing and redirection"""
def setUp(self):
"""Must start two servers for this"""
self.conna = SetConnections._init_connection(
"%s testing/server.py %s" % (sys.executable, SourceDir))
self.connb = SetConnections._init_connection(
"%s testing/server.py %s" % (sys.executable, SourceDir))
def testBasic(self):
"""Test basic operations with redirection"""
self.conna.Globals.set("tmp_val", 1)
self.connb.Globals.set("tmp_val", 2)
self.assertEqual(self.conna.Globals.get("tmp_val"), 1)
self.assertEqual(self.connb.Globals.get("tmp_val"), 2)
self.conna.Globals.set("tmp_connb", self.connb)
self.connb.Globals.set("tmp_conna", self.conna)
self.assertIs(self.conna.Globals.get("tmp_connb"), self.connb)
self.assertIs(self.connb.Globals.get("tmp_conna"), self.conna)
val = self.conna.reval("Globals.get('tmp_connb').Globals.get",
"tmp_val")
self.assertEqual(val, 2)
val = self.connb.reval("Globals.get('tmp_conna').Globals.get",
"tmp_val")
self.assertEqual(val, 1)
self.assertEqual(
self.conna.reval("Globals.get('tmp_connb').pow", 2, 3), 8)
self.conna.reval("Globals.tmp_connb.reval",
"Globals.tmp_conna.Globals.set", "tmp_marker", 5)
self.assertEqual(self.conna.Globals.get("tmp_marker"), 5)
def testRpaths(self):
"""Test moving rpaths back and forth across connections"""
rp = rpath.RPath(self.conna, "foo")
self.connb.Globals.set("tmp_rpath", rp)
rp_returned = self.connb.Globals.get("tmp_rpath")
self.assertIs(rp_returned.conn, rp.conn)
self.assertEqual(rp_returned.path, rp.path)
def tearDown(self):
SetConnections.CloseConnections()
@unittest.skipIf(os.name == "nt", "No way to prolongate a Windows command")
class LengthyConnectionTest(unittest.TestCase):
"""Test what happens if a server process takes too long to quit"""
def test_killing_server_process(self):
"""Make the server process take longer"""
pipe_cmd = "%s testing/server.py %s" % (sys.executable, SourceDir)
pipe_cmd += "; sleep 10"
self.p = subprocess.Popen(pipe_cmd,
shell=True,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
close_fds=True)
(stdin, stdout) = (self.p.stdin, self.p.stdout)
self.conn = PipeConnection(stdout, stdin, process=self.p)
Security._security_level = "override"
# the sleep command should never be finished at this stage
self.conn.quit()
self.assertEqual(self.conn.process.returncode, -15) # kill -15
if __name__ == "__main__":
unittest.main()
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