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Fixed struct test to not use unittest.

This commit is contained in:
Martin Blais 2006-06-02 13:03:43 +00:00
parent d21a7fffb1
commit 7f7386cfd2
1 changed files with 72 additions and 66 deletions
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138
Lib/test/test_struct.py
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@ -2,7 +2,6 @@ from test.test_support import TestFailed, verbose, verify
import test.test_support
import struct
import array
import unittest
import warnings
import sys
@ -494,80 +493,87 @@ def test_1229380():
if PY_STRUCT_RANGE_CHECKING:
test_1229380()
class PackBufferTestCase(unittest.TestCase):
"""
Test the packing methods that work on buffers.
"""
def test_unpack_from( self ):
test_string = 'abcd01234'
fmt = '4s'
s = struct.Struct(fmt)
for cls in (str, buffer):
data = cls(test_string)
self.assertEquals(s.unpack_from(data), ('abcd',))
self.assertEquals(s.unpack_from(data, 2), ('cd01',))
self.assertEquals(s.unpack_from(data, 4), ('0123',))
for i in xrange(6):
self.assertEquals(s.unpack_from(data, i), (data[i:i+4],))
for i in xrange(6, len(test_string) + 1):
simple_err(s.unpack_from, data, i)
for cls in (str, buffer):
data = cls(test_string)
self.assertEquals(struct.unpack_from(fmt, data), ('abcd',))
self.assertEquals(struct.unpack_from(fmt, data, 2), ('cd01',))
self.assertEquals(struct.unpack_from(fmt, data, 4), ('0123',))
for i in xrange(6):
self.assertEquals(struct.unpack_from(fmt, data, i),
(data[i:i+4],))
for i in xrange(6, len(test_string) + 1):
simple_err(struct.unpack_from, fmt, data, i)
###########################################################################
# Packing and unpacking to/from buffers.
def test_pack_to( self ):
test_string = 'Reykjavik rocks, eow!'
writable_buf = array.array('c', ' '*100)
fmt = '21s'
s = struct.Struct(fmt)
# Copied and modified from unittest.
def assertRaises(excClass, callableObj, *args, **kwargs):
try:
callableObj(*args, **kwargs)
except excClass:
return
else:
raise RuntimeError("%s not raised." % excClass)
# Test without offset
s.pack_to(writable_buf, 0, test_string)
from_buf = writable_buf.tostring()[:len(test_string)]
self.assertEquals(from_buf, test_string)
def test_unpack_from():
test_string = 'abcd01234'
fmt = '4s'
s = struct.Struct(fmt)
for cls in (str, buffer):
data = cls(test_string)
assert s.unpack_from(data) == ('abcd',)
assert s.unpack_from(data, 2) == ('cd01',)
assert s.unpack_from(data, 4) == ('0123',)
for i in xrange(6):
assert s.unpack_from(data, i) == (data[i:i+4],)
for i in xrange(6, len(test_string) + 1):
simple_err(s.unpack_from, data, i)
for cls in (str, buffer):
data = cls(test_string)
assert struct.unpack_from(fmt, data) == ('abcd',)
assert struct.unpack_from(fmt, data, 2) == ('cd01',)
assert struct.unpack_from(fmt, data, 4) == ('0123',)
for i in xrange(6):
assert (struct.unpack_from(fmt, data, i) == (data[i:i+4],))
for i in xrange(6, len(test_string) + 1):
simple_err(struct.unpack_from, fmt, data, i)
# Test with offset.
s.pack_to(writable_buf, 10, test_string)
from_buf = writable_buf.tostring()[:len(test_string)+10]
self.assertEquals(from_buf, (test_string[:10] + test_string))
def test_pack_to():
test_string = 'Reykjavik rocks, eow!'
writable_buf = array.array('c', ' '*100)
fmt = '21s'
s = struct.Struct(fmt)
# Go beyond boundaries.
small_buf = array.array('c', ' '*10)
self.assertRaises(struct.error, s.pack_to, small_buf, 0, test_string)
self.assertRaises(struct.error, s.pack_to, small_buf, 2, test_string)
# Test without offset
s.pack_to(writable_buf, 0, test_string)
from_buf = writable_buf.tostring()[:len(test_string)]
assert from_buf == test_string
def test_pack_to_fn( self ):
test_string = 'Reykjavik rocks, eow!'
writable_buf = array.array('c', ' '*100)
fmt = '21s'
pack_to = lambda *args: struct.pack_to(fmt, *args)
# Test with offset.
s.pack_to(writable_buf, 10, test_string)
from_buf = writable_buf.tostring()[:len(test_string)+10]
assert from_buf == (test_string[:10] + test_string)
# Test without offset
pack_to(writable_buf, 0, test_string)
from_buf = writable_buf.tostring()[:len(test_string)]
self.assertEquals(from_buf, test_string)
# Go beyond boundaries.
small_buf = array.array('c', ' '*10)
assertRaises(struct.error, s.pack_to, small_buf, 0, test_string)
assertRaises(struct.error, s.pack_to, small_buf, 2, test_string)
# Test with offset.
pack_to(writable_buf, 10, test_string)
from_buf = writable_buf.tostring()[:len(test_string)+10]
self.assertEquals(from_buf, (test_string[:10] + test_string))
def test_pack_to_fn():
test_string = 'Reykjavik rocks, eow!'
writable_buf = array.array('c', ' '*100)
fmt = '21s'
pack_to = lambda *args: struct.pack_to(fmt, *args)
# Go beyond boundaries.
small_buf = array.array('c', ' '*10)
self.assertRaises(struct.error, pack_to, small_buf, 0, test_string)
self.assertRaises(struct.error, pack_to, small_buf, 2, test_string)
# Test without offset
pack_to(writable_buf, 0, test_string)
from_buf = writable_buf.tostring()[:len(test_string)]
assert from_buf == test_string
# Test with offset.
pack_to(writable_buf, 10, test_string)
from_buf = writable_buf.tostring()[:len(test_string)+10]
assert from_buf == (test_string[:10] + test_string)
# Go beyond boundaries.
small_buf = array.array('c', ' '*10)
assertRaises(struct.error, pack_to, small_buf, 0, test_string)
assertRaises(struct.error, pack_to, small_buf, 2, test_string)
def test_main():
test.test_support.run_unittest(PackBufferTestCase)
# Test methods to pack and unpack from buffers rather than strings.
test_unpack_from()
test_pack_to()
test_pack_to_fn()
if __name__ == "__main__":
test_main()