lib-python.2.5.test.test_zipimport.py Maven / Gradle / Ivy
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Jython is an implementation of the high-level, dynamic, object-oriented
language Python written in 100% Pure Java, and seamlessly integrated with
the Java platform. It thus allows you to run Python on any Java platform.
import sys
import os
import marshal
import imp
import struct
import time
import unittest
import zlib # implied prerequisite
from zipfile import ZipFile, ZipInfo, ZIP_STORED, ZIP_DEFLATED
from test import test_support
from test.test_importhooks import ImportHooksBaseTestCase, test_src, test_co
import zipimport
import linecache
import doctest
import inspect
import StringIO
from traceback import extract_tb, extract_stack, print_tb
raise_src = 'def do_raise(): raise TypeError\n'
# so we only run testAFakeZlib once if this test is run repeatedly
# which happens when we look for ref leaks
test_imported = False
def make_pyc(co, mtime):
data = marshal.dumps(co)
if type(mtime) is type(0.0):
# Mac mtimes need a bit of special casing
if mtime < 0x7fffffff:
mtime = int(mtime)
else:
mtime = int(-0x100000000L + long(mtime))
pyc = imp.get_magic() + struct.pack("", "exec"), NOW)
files = {TESTMOD + pyc_ext: (NOW, pyc),
"some.data": (NOW, "some data")}
self.doTest(pyc_ext, files, TESTMOD)
def testImport_WithStuff(self):
# try importing from a zipfile which contains additional
# stuff at the beginning of the file
files = {TESTMOD + ".py": (NOW, test_src)}
self.doTest(".py", files, TESTMOD,
stuff="Some Stuff"*31)
def assertModuleSource(self, module):
self.assertEqual(inspect.getsource(module), test_src)
def testGetSource(self):
files = {TESTMOD + ".py": (NOW, test_src)}
self.doTest(".py", files, TESTMOD, call=self.assertModuleSource)
def testGetCompiledSource(self):
pyc = make_pyc(compile(test_src, "", "exec"), NOW)
files = {TESTMOD + ".py": (NOW, test_src),
TESTMOD + pyc_ext: (NOW, pyc)}
self.doTest(pyc_ext, files, TESTMOD, call=self.assertModuleSource)
def runDoctest(self, callback):
files = {TESTMOD + ".py": (NOW, test_src),
"xyz.txt": (NOW, ">>> log.append(True)\n")}
self.doTest(".py", files, TESTMOD, call=callback)
def doDoctestFile(self, module):
log = []
old_master, doctest.master = doctest.master, None
try:
doctest.testfile(
'xyz.txt', package=module, module_relative=True,
globs=locals()
)
finally:
doctest.master = old_master
self.assertEqual(log,[True])
def testDoctestFile(self):
self.runDoctest(self.doDoctestFile)
def doDoctestSuite(self, module):
log = []
doctest.DocFileTest(
'xyz.txt', package=module, module_relative=True,
globs=locals()
).run()
self.assertEqual(log,[True])
def testDoctestSuite(self):
self.runDoctest(self.doDoctestSuite)
def doTraceback(self, module):
try:
module.do_raise()
except:
tb = sys.exc_info()[2].tb_next
f,lno,n,line = extract_tb(tb, 1)[0]
self.assertEqual(line, raise_src.strip())
f,lno,n,line = extract_stack(tb.tb_frame, 1)[0]
self.assertEqual(line, raise_src.strip())
s = StringIO.StringIO()
print_tb(tb, 1, s)
self.failUnless(s.getvalue().endswith(raise_src))
else:
raise AssertionError("This ought to be impossible")
def testTraceback(self):
files = {TESTMOD + ".py": (NOW, raise_src)}
self.doTest(None, files, TESTMOD, call=self.doTraceback)
class CompressedZipImportTestCase(UncompressedZipImportTestCase):
compression = ZIP_DEFLATED
class BadFileZipImportTestCase(unittest.TestCase):
def assertZipFailure(self, filename):
self.assertRaises(zipimport.ZipImportError,
zipimport.zipimporter, filename)
def testNoFile(self):
self.assertZipFailure('AdfjdkFJKDFJjdklfjs')
def testEmptyFilename(self):
self.assertZipFailure('')
def testBadArgs(self):
self.assertRaises(TypeError, zipimport.zipimporter, None)
self.assertRaises(TypeError, zipimport.zipimporter, TESTMOD, kwd=None)
def testFilenameTooLong(self):
self.assertZipFailure('A' * 33000)
def testEmptyFile(self):
test_support.unlink(TESTMOD)
open(TESTMOD, 'w+').close()
self.assertZipFailure(TESTMOD)
def testFileUnreadable(self):
test_support.unlink(TESTMOD)
fd = os.open(TESTMOD, os.O_CREAT, 000)
try:
os.close(fd)
self.assertZipFailure(TESTMOD)
finally:
# If we leave "the read-only bit" set on Windows, nothing can
# delete TESTMOD, and later tests suffer bogus failures.
os.chmod(TESTMOD, 0666)
test_support.unlink(TESTMOD)
def testNotZipFile(self):
test_support.unlink(TESTMOD)
fp = open(TESTMOD, 'w+')
fp.write('a' * 22)
fp.close()
self.assertZipFailure(TESTMOD)
# XXX: disabled until this works on Big-endian machines
def _testBogusZipFile(self):
test_support.unlink(TESTMOD)
fp = open(TESTMOD, 'w+')
fp.write(struct.pack('=I', 0x06054B50))
fp.write('a' * 18)
fp.close()
z = zipimport.zipimporter(TESTMOD)
try:
self.assertRaises(TypeError, z.find_module, None)
self.assertRaises(TypeError, z.load_module, None)
self.assertRaises(TypeError, z.is_package, None)
self.assertRaises(TypeError, z.get_code, None)
self.assertRaises(TypeError, z.get_data, None)
self.assertRaises(TypeError, z.get_source, None)
error = zipimport.ZipImportError
self.assertEqual(z.find_module('abc'), None)
self.assertRaises(error, z.load_module, 'abc')
self.assertRaises(error, z.get_code, 'abc')
self.assertRaises(IOError, z.get_data, 'abc')
self.assertRaises(error, z.get_source, 'abc')
self.assertRaises(error, z.is_package, 'abc')
finally:
zipimport._zip_directory_cache.clear()
def cleanup():
# this is necessary if test is run repeated (like when finding leaks)
global test_imported
if test_imported:
zipimport._zip_directory_cache.clear()
if hasattr(UncompressedZipImportTestCase, 'testAFakeZlib'):
delattr(UncompressedZipImportTestCase, 'testAFakeZlib')
if hasattr(CompressedZipImportTestCase, 'testAFakeZlib'):
delattr(CompressedZipImportTestCase, 'testAFakeZlib')
test_imported = True
def test_main():
cleanup()
try:
test_support.run_unittest(
UncompressedZipImportTestCase,
CompressedZipImportTestCase,
BadFileZipImportTestCase,
)
finally:
test_support.unlink(TESTMOD)
if __name__ == "__main__":
test_main()