atexit.register(handler1) atexit.register(handler2) atexit.register(handler2, 7, kw="abc") """ fname = TESTFN + ".py" f = file(fname, "w") f.write(input) f.close() p = popen("%s %s" % (executable, fname)) output = p.read() p.close() vereq(output, """\ handler2 (7,) {'kw': 'abc'} handler2 () {} handler1 """) input = """\ def direct(): print "direct exit" import sys sys.exitfunc = direct # Make sure atexit doesn't drop def indirect(): print "indirect exit" import atexit
import test_support import random # Ensure that the seed() method initializes all the hidden state. In # particular, through 2.2.1 it failed to reset a piece of state used by # (and only by) the .gauss() method. for seed in 1, 12, 123, 1234, 12345, 123456, 654321: for seeder in random.seed, random.whseed: seeder(seed) x1 = random.random() y1 = random.gauss(0, 1) seeder(seed) x2 = random.random() y2 = random.gauss(0, 1) test_support.vereq(x1, x2) test_support.vereq(y1, y2)
from test_support import vereq import time t = time.gmtime() astuple = tuple(t) vereq(len(t), len(astuple)) vereq(t, astuple) # Check that slicing works the same way; at one point, slicing t[i:j] with # 0 < i < j could produce NULLs in the result. for i in range(-len(t), len(t)): for j in range(-len(t), len(t)): vereq(t[i:j], astuple[i:j]) # Devious code could crash structseqs' contructors class C: def __getitem__(self, i): raise IndexError def __len__(self): return 9 try: repr(time.struct_time(C())) except: pass # XXX more needed
except TypeError: pass else: raise TestFailed, "del foo.__dict__" try: foo.__dict__ = {} except TypeError: pass else: raise TestFailed, "foo.__dict__ = {}" verify(foo.__dict__ is None) # Regularly initialized module, no docstring foo = module("foo") vereq(foo.__name__, "foo") vereq(foo.__doc__, None) vereq(foo.__dict__, {"__name__": "foo", "__doc__": None}) # ASCII docstring foo = module("foo", "foodoc") vereq(foo.__name__, "foo") vereq(foo.__doc__, "foodoc") vereq(foo.__dict__, {"__name__": "foo", "__doc__": "foodoc"}) # Unicode docstring foo = module("foo", u"foodoc\u1234") vereq(foo.__name__, "foo") vereq(foo.__doc__, u"foodoc\u1234") vereq(foo.__dict__, {"__name__": "foo", "__doc__": u"foodoc\u1234"})
def test_both(): "Test mmap module on Unix systems and Windows" # Create a file to be mmap'ed. if os.path.exists(TESTFN): os.unlink(TESTFN) f = open(TESTFN, 'w+') try: # unlink TESTFN no matter what # Write 2 pages worth of data to the file f.write('\0'* PAGESIZE) f.write('foo') f.write('\0'* (PAGESIZE-3) ) m = mmap.mmap(f.fileno(), 2 * PAGESIZE) f.close() # Simple sanity checks print type(m) # SF bug 128713: segfaulted on Linux print ' Position of foo:', m.find('foo') / float(PAGESIZE), 'pages' vereq(m.find('foo'), PAGESIZE) print ' Length of file:', len(m) / float(PAGESIZE), 'pages' vereq(len(m), 2*PAGESIZE) print ' Contents of byte 0:', repr(m[0]) vereq(m[0], '\0') print ' Contents of first 3 bytes:', repr(m[0:3]) vereq(m[0:3], '\0\0\0') # Modify the file's content print "\n Modifying file's content..." m[0] = '3' m[PAGESIZE +3: PAGESIZE +3+3] = 'bar' # Check that the modification worked print ' Contents of byte 0:', repr(m[0]) vereq(m[0], '3') print ' Contents of first 3 bytes:', repr(m[0:3]) vereq(m[0:3], '3\0\0') print ' Contents of second page:', repr(m[PAGESIZE-1 : PAGESIZE + 7]) vereq(m[PAGESIZE-1 : PAGESIZE + 7], '\0foobar\0') m.flush() # Test doing a regular expression match in an mmap'ed file match = re.search('[A-Za-z]+', m) if match is None: print ' ERROR: regex match on mmap failed!' else: start, end = match.span(0) length = end - start print ' Regex match on mmap (page start, length of match):', print start / float(PAGESIZE), length vereq(start, PAGESIZE) vereq(end, PAGESIZE + 6) # test seeking around (try to overflow the seek implementation) m.seek(0,0) print ' Seek to zeroth byte' vereq(m.tell(), 0) m.seek(42,1) print ' Seek to 42nd byte' vereq(m.tell(), 42) m.seek(0,2) print ' Seek to last byte' vereq(m.tell(), len(m)) print ' Try to seek to negative position...' try: m.seek(-1) except ValueError: pass else: verify(0, 'expected a ValueError but did not get it') print ' Try to seek beyond end of mmap...' try: m.seek(1,2) except ValueError: pass else: verify(0, 'expected a ValueError but did not get it') print ' Try to seek to negative position...' try: m.seek(-len(m)-1,2) except ValueError: pass else: verify(0, 'expected a ValueError but did not get it') # Try resizing map print ' Attempting resize()' try: m.resize( 512 ) except SystemError: # resize() not supported # No messages are printed, since the output of this test suite # would then be different across platforms. pass else: # resize() is supported verify(len(m) == 512, "len(m) is %d, but expecting 512" % (len(m),) ) # Check that we can no longer seek beyond the new size. try: m.seek(513,0) except ValueError: pass else: verify(0, 'Could seek beyond the new size') m.close() finally: try: f.close() except OSError: pass try: os.unlink(TESTFN) except OSError: pass # Test for "access" keyword parameter try: mapsize = 10 print " Creating", mapsize, "byte test data file." open(TESTFN, "wb").write("a"*mapsize) print " Opening mmap with access=ACCESS_READ" f = open(TESTFN, "rb") m = mmap.mmap(f.fileno(), mapsize, access=mmap.ACCESS_READ) verify(m[:] == 'a'*mapsize, "Readonly memory map data incorrect.") print " Ensuring that readonly mmap can't be slice assigned." try: m[:] = 'b'*mapsize except TypeError: pass else: verify(0, "Able to write to readonly memory map") print " Ensuring that readonly mmap can't be item assigned." try: m[0] = 'b' except TypeError: pass else: verify(0, "Able to write to readonly memory map") print " Ensuring that readonly mmap can't be write() to." try: m.seek(0,0) m.write('abc') except TypeError: pass else: verify(0, "Able to write to readonly memory map") print " Ensuring that readonly mmap can't be write_byte() to." try: m.seek(0,0) m.write_byte('d') except TypeError: pass else: verify(0, "Able to write to readonly memory map") print " Ensuring that readonly mmap can't be resized." try: m.resize(2*mapsize) except SystemError: # resize is not universally supported pass except TypeError: pass else: verify(0, "Able to resize readonly memory map") del m, f verify(open(TESTFN, "rb").read() == 'a'*mapsize, "Readonly memory map data file was modified") print " Opening mmap with access=ACCESS_WRITE" f = open(TESTFN, "r+b") m = mmap.mmap(f.fileno(), mapsize, access=mmap.ACCESS_WRITE) print " Modifying write-through memory map." m[:] = 'c'*mapsize verify(m[:] == 'c'*mapsize, "Write-through memory map memory not updated properly.") m.flush() del m, f verify(open(TESTFN).read() == 'c'*mapsize, "Write-through memory map data file not updated properly.") print " Opening mmap with access=ACCESS_COPY" f = open(TESTFN, "r+b") m = mmap.mmap(f.fileno(), mapsize, access=mmap.ACCESS_COPY) print " Modifying copy-on-write memory map." m[:] = 'd'*mapsize verify(m[:] == 'd' * mapsize, "Copy-on-write memory map data not written correctly.") m.flush() verify(open(TESTFN, "rb").read() == 'c'*mapsize, "Copy-on-write test data file should not be modified.") try: print " Ensuring copy-on-write maps cannot be resized." m.resize(2*mapsize) except TypeError: pass else: verify(0, "Copy-on-write mmap resize did not raise exception.") del m, f try: print " Ensuring invalid access parameter raises exception." f = open(TESTFN, "r+b") m = mmap.mmap(f.fileno(), mapsize, access=4) except ValueError: pass else: verify(0, "Invalid access code should have raised exception.") if os.name == "posix": # Try incompatible flags, prot and access parameters. f = open(TESTFN, "r+b") try: m = mmap.mmap(f.fileno(), mapsize, flags=mmap.MAP_PRIVATE, prot=mmap.PROT_READ, access=mmap.ACCESS_WRITE) except ValueError: pass else: verify(0, "Incompatible parameters should raise ValueError.") finally: try: os.unlink(TESTFN) except OSError: pass # Do a tougher .find() test. SF bug 515943 pointed out that, in 2.2, # searching for data with embedded \0 bytes didn't work. f = open(TESTFN, 'w+') try: # unlink TESTFN no matter what data = 'aabaac\x00deef\x00\x00aa\x00' n = len(data) f.write(data) m = mmap.mmap(f.fileno(), n) f.close() for start in range(n+1): for finish in range(start, n+1): slice = data[start : finish] vereq(m.find(slice), data.find(slice)) vereq(m.find(slice + 'x'), -1) finally: try: os.unlink(TESTFN) except OSError: pass print ' Test passed'
from test_support import verify, vereq, TESTFN
from test_support import vereq import time t = time.gmtime() astuple = tuple(t) vereq(len(t), len(astuple)) vereq(t, astuple) # Check that slicing works the same way; at one point, slicing t[i:j] with # 0 < i < j could produce NULLs in the result. for i in range(-len(t), len(t)): for j in range(-len(t), len(t)): vereq(t[i:j], astuple[i:j]) # XXX more needed