90 lines
1.7 KiB
Python
90 lines
1.7 KiB
Python
|
# Test deflate module with stream errors.
|
||
|
|
|
||
|
|
try:
|
||
|
|
# Check if deflate & IOBase are available.
|
||
|
|
import deflate, io
|
||
|
|
|
||
|
|
io.IOBase
|
||
|
|
except (ImportError, AttributeError):
|
||
|
|
print("SKIP")
|
||
|
|
raise SystemExit
|
||
|
|
|
||
|
|
# Check if compression is enabled.
|
||
|
|
if not hasattr(deflate.DeflateIO, "write"):
|
||
|
|
print("SKIP")
|
||
|
|
raise SystemExit
|
||
|
|
|
||
|
|
formats = (deflate.RAW, deflate.ZLIB, deflate.GZIP)
|
||
|
|
|
||
|
|
# Test error on read when decompressing.
|
||
|
|
|
||
|
|
|
||
|
|
class Stream(io.IOBase):
|
||
|
|
def readinto(self, buf):
|
||
|
|
print("Stream.readinto", len(buf))
|
||
|
|
return -1
|
||
|
|
|
||
|
|
|
||
|
|
try:
|
||
|
|
deflate.DeflateIO(Stream()).read()
|
||
|
|
except OSError as er:
|
||
|
|
print(repr(er))
|
||
|
|
|
||
|
|
# Test error on write when compressing.
|
||
|
|
|
||
|
|
|
||
|
|
class Stream(io.IOBase):
|
||
|
|
def write(self, buf):
|
||
|
|
print("Stream.write", buf)
|
||
|
|
return -1
|
||
|
|
|
||
|
|
|
||
|
|
for format in formats:
|
||
|
|
try:
|
||
|
|
deflate.DeflateIO(Stream(), format).write("a")
|
||
|
|
except OSError as er:
|
||
|
|
print(repr(er))
|
||
|
|
|
||
|
|
# Test write after close.
|
||
|
|
|
||
|
|
|
||
|
|
class Stream(io.IOBase):
|
||
|
|
def write(self, buf):
|
||
|
|
print("Stream.write", buf)
|
||
|
|
return -1
|
||
|
|
|
||
|
|
def ioctl(self, cmd, arg):
|
||
|
|
print("Stream.ioctl", cmd, arg)
|
||
|
|
return 0
|
||
|
|
|
||
|
|
|
||
|
|
try:
|
||
|
|
d = deflate.DeflateIO(Stream(), deflate.RAW, 0, True)
|
||
|
|
d.close()
|
||
|
|
d.write("a")
|
||
|
|
except OSError as er:
|
||
|
|
print(repr(er))
|
||
|
|
|
||
|
|
# Test error on write when closing.
|
||
|
|
|
||
|
|
|
||
|
|
class Stream(io.IOBase):
|
||
|
|
def __init__(self):
|
||
|
|
self.num_writes = 0
|
||
|
|
|
||
|
|
def write(self, buf):
|
||
|
|
print("Stream.write", buf)
|
||
|
|
if self.num_writes >= 4:
|
||
|
|
return -1
|
||
|
|
self.num_writes += 1
|
||
|
|
return len(buf)
|
||
|
|
|
||
|
|
|
||
|
|
for format in formats:
|
||
|
|
d = deflate.DeflateIO(Stream(), format)
|
||
|
|
d.write("a")
|
||
|
|
try:
|
||
|
|
d.close()
|
||
|
|
except OSError as er:
|
||
|
|
print(repr(er))
|