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# -*- coding: utf-8 -*-
from __future__ import absolute_import
from __future__ import print_function
from __future__ import unicode_literals
from io import BytesIO
from unittest import TestCase
import sys
from six import add_metaclass
from hwp5.bintype import read_type
from hwp5.dataio import ARRAY, N_ARRAY
from hwp5.dataio import BSTR
from hwp5.dataio import BYTE
from hwp5.dataio import Enum
from hwp5.dataio import EnumType
from hwp5.dataio import Flags
from hwp5.dataio import INT8
from hwp5.dataio import INT16
from hwp5.dataio import INT32
from hwp5.dataio import UINT8
from hwp5.dataio import UINT16
from hwp5.dataio import UINT32
from hwp5.dataio import ParseError
from hwp5.dataio import Struct
from hwp5.dataio import StructType
from hwp5.dataio import decode_utf16le_with_hypua
from hwp5.dataio import typed_struct_attributes
from hwp5.dataio import _parse_flags_args
PY3 = sys.version_info.major == 3
if PY3:
long = int
unicode = str
class TestArray(TestCase):
def test_new(self):
t1 = ARRAY(INT32, 3)
t2 = ARRAY(INT32, 3)
assert t1 is t2
assert N_ARRAY(INT32, INT32) is N_ARRAY(INT32, INT32)
def test_BSTR(self):
assert type(BSTR(u'abc')) is unicode
def test_hello(self):
assert INT32.basetype is int
def test_slots(self):
a = INT32()
self.assertRaises(Exception, setattr, a, 'randomattr', 1)
class TestTypedAttributes(TestCase):
def test_typed_struct_attributes(self):
class SomeRandomStruct(Struct):
@staticmethod
def attributes():
yield INT32, 'a'
yield BSTR, 'b'
yield ARRAY(INT32, 3), 'c'
attributes = dict(a=1, b=u'abc', c=(4, 5, 6))
typed_attributes = typed_struct_attributes(
SomeRandomStruct, attributes, dict()
)
typed_attributes = list(typed_attributes)
expected = [dict(name='a', type=INT32, value=1),
dict(name='b', type=BSTR, value='abc'),
dict(name='c', type=ARRAY(INT32, 3), value=(4, 5, 6))]
self.assertEqual(expected, typed_attributes)
def test_typed_struct_attributes_inherited(self):
class Hello(Struct):
@staticmethod
def attributes():
yield INT32, 'a'
class Hoho(Hello):
@staticmethod
def attributes():
yield BSTR, 'b'
attributes = dict(a=1, b=u'abc', c=(2, 2))
result = typed_struct_attributes(Hoho, attributes, dict())
result = list(result)
expected = [dict(name='a', type=INT32, value=1),
dict(name='b', type=BSTR, value='abc'),
dict(name='c', type=tuple, value=(2, 2))]
self.assertEqual(expected, result)
class TestStructType(TestCase):
def test_assign_enum_flags_name(self):
@add_metaclass(StructType)
class Foo(object):
bar = Enum()
baz = Flags(UINT16)
self.assertEqual('bar', Foo.bar.__name__)
self.assertEqual(Foo, Foo.bar.scoping_struct)
self.assertEqual('baz', Foo.baz.__name__)
def test_parse_members(self):
@add_metaclass(StructType)
class A(object):
@classmethod
def attributes(cls):
yield UINT8, 'uint8'
yield UINT16, 'uint16'
yield UINT32, 'uint32'
values = dict(uint8=8, uint16=16, uint32=32)
def getvalue(member):
return values[member['name']]
context = dict()
result = list(A.parse_members(context, getvalue))
self.assertEqual([dict(name='uint8', type=UINT8, value=8),
dict(name='uint16', type=UINT16, value=16),
dict(name='uint32', type=UINT32, value=32)], result)
def test_parse_members_condition(self):
def uint32_is_32(context, values):
return values['uint32'] == 32
@add_metaclass(StructType)
class A(object):
@classmethod
def attributes(cls):
yield UINT8, 'uint8'
yield UINT16, 'uint16'
yield UINT32, 'uint32'
yield dict(type=UINT32, name='extra', condition=uint32_is_32)
values = dict(uint8=8, uint16=16, uint32=32, extra=666)
def getvalue(member):
return values[member['name']]
context = dict()
result = list(A.parse_members(context, getvalue))
self.assertEqual([dict(name='uint8', type=UINT8, value=8),
dict(name='uint16', type=UINT16, value=16),
dict(name='uint32', type=UINT32, value=32),
dict(name='extra', type=UINT32, value=666,
condition=uint32_is_32)],
result)
def test_parse_members_empty(self):
@add_metaclass(StructType)
class A(object):
pass
value = dict()
def getvalue(member):
return value[member['name']]
context = dict()
result = list(A.parse_members_with_inherited(context, getvalue))
self.assertEqual([], result)
def test_parse_members_inherited(self):
@add_metaclass(StructType)
class A(object):
@classmethod
def attributes(cls):
yield UINT8, 'uint8'
yield UINT16, 'uint16'
yield UINT32, 'uint32'
class B(A):
@classmethod
def attributes(cls):
yield INT8, 'int8'
yield INT16, 'int16'
yield INT32, 'int32'
value = dict(uint8=8, uint16=16, uint32=32,
int8=-1, int16=-16, int32=-32)
def getvalue(member):
return value[member['name']]
context = dict()
result = list(B.parse_members_with_inherited(context, getvalue))
self.assertEqual([dict(name='uint8', type=UINT8, value=8),
dict(name='uint16', type=UINT16, value=16),
dict(name='uint32', type=UINT32, value=32),
dict(name='int8', type=INT8, value=-1),
dict(name='int16', type=INT16, value=-16),
dict(name='int32', type=INT32, value=-32)],
result)
class TestEnumType(TestCase):
def test_enum(self):
Foo = EnumType(
str('Foo'),
(int,),
dict(items=['a', 'b', 'c'], moreitems=dict(d=1, e=4))
)
self.assertRaises(AttributeError, getattr, Foo, 'items')
self.assertRaises(AttributeError, getattr, Foo, 'moreitems')
# class members
self.assertEqual(0, Foo.a)
self.assertEqual(1, Foo.b)
self.assertEqual(2, Foo.c)
self.assertEqual(1, Foo.d)
self.assertEqual(4, Foo.e)
self.assertTrue(isinstance(Foo.a, Foo))
# same instances
self.assertTrue(Foo(0) is Foo(0))
self.assertTrue(Foo(0) is Foo.a)
# not an instance of int
self.assertTrue(Foo(0) is not 0)
# instance names
self.assertEqual('a', Foo.a.name)
self.assertEqual('b', Foo.b.name)
# aliases
self.assertEqual('b', Foo.d.name)
self.assertTrue(Foo.b is Foo.d)
# repr
self.assertEqual('Foo.a', repr(Foo(0)))
self.assertEqual('Foo.b', repr(Foo(1)))
self.assertEqual('Foo.e', repr(Foo(4)))
# frozen attribute set
self.assertRaises(AttributeError, setattr, Foo(0), 'bar', 0)
if sys.platform.startswith('java'): # Jython 2.5.3
self.assertRaises(TypeError, setattr, Foo(0), 'name', 'a')
else:
self.assertRaises(AttributeError, setattr, Foo(0), 'name', 'a')
# undefined value
# self.assertRaises(ValueError, Foo, 5)
# undefined value: warning but not error
undefined = Foo(5)
self.assertTrue(isinstance(undefined, Foo))
self.assertEqual(None, undefined.name)
self.assertEqual('Foo(5)', repr(undefined))
# can't define anymore
self.assertRaises(TypeError, Foo, 5, 'f')
# duplicate names
self.assertRaises(Exception, Enum, 'a', a=1)
class TestFlags(TestCase):
def test_parse_args(self):
x = list(_parse_flags_args([0, 1, long, 'bit01']))
bit01 = ('bit01', (0, 1, long))
self.assertEqual([bit01], x)
x = list(_parse_flags_args([2, 3, 'bit23']))
bit23 = ('bit23', (2, 3, int))
self.assertEqual([bit23], x)
x = list(_parse_flags_args([4, long, 'bit4']))
bit4 = ('bit4', (4, 4, long))
self.assertEqual([bit4], x)
x = list(_parse_flags_args([5, 'bit5']))
bit5 = ('bit5', (5, 5, int))
x = list(_parse_flags_args([0, 1, long, 'bit01',
2, 3, 'bit23',
4, long, 'bit4',
5, 'bit5']))
self.assertEqual([bit01, bit23, bit4, bit5], x)
def test_basetype(self):
MyFlags = Flags(UINT32)
self.assertEqual(UINT32, MyFlags.basetype)
def test_bitfields(self):
MyEnum = Enum(a=1, b=2)
MyFlags = Flags(
UINT32,
0, 1, 'field0',
2, 4, MyEnum, 'field2'
)
bitfields = MyFlags.bitfields
f = bitfields['field0']
self.assertEqual((0, 1, int),
(f.lsb, f.msb, f.valuetype))
f = bitfields['field2']
self.assertEqual((2, 4, MyEnum),
(f.lsb, f.msb, f.valuetype))
@property
def ByteFlags(self):
return Flags(BYTE,
0, 3, 'low',
4, 7, 'high')
def test_dictvalue(self):
flags = self.ByteFlags(0xf0)
self.assertEqual(dict(low=0, high=0xf),
flags.dictvalue())
class TestReadStruct(TestCase):
def test_read_parse_error(self):
class Foo(Struct):
def attributes():
yield INT16, 'a'
attributes = staticmethod(attributes)
stream = BytesIO()
record = dict()
context = dict(record=record)
try:
read_type(Foo, context, stream)
assert False, 'ParseError expected'
except ParseError as e:
self.assertEqual(Foo, e.binevents[0][1]['type'])
self.assertEqual('a', e.binevents[-1][1]['name'])
self.assertEqual(0, e.offset)
class TestBSTR(TestCase):
def test_read(self):
f = BytesIO(b'\x03\x00' + u'가나다'.encode('utf-16le'))
s = BSTR.read(f)
self.assertEqual(u'가나다', s)
pua = u'\ub098\ub78f\u302e\ub9d0\u302f\uebd4\ubbf8\u302e'
pua_utf16le = pua.encode('utf-16le')
if PY3:
lengthbyte = bytes([len(pua)])
else:
lengthbyte = chr(len(pua))
f = BytesIO(lengthbyte + b'\x00' + pua_utf16le)
jamo = BSTR.read(f)
expected = u'\ub098\ub78f\u302e\ub9d0\u302f\uebd4\ubbf8\u302e'
self.assertEqual(expected, jamo)
class TestDecodeUTF16LEPUA(TestCase):
def test_decode(self):
expected = u'가나다'
bytes = expected.encode('utf-16le')
u = decode_utf16le_with_hypua(bytes)
self.assertEqual(expected, u)
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