def test_compression():
f = open(__file__, "rb")
try:
data = f.read()
compressed = Frame.compress(data)
assert data == Frame.decompress(compressed)
finally:
f.close()
def test_compression():
f = open(__file__, "rb")
try:
data = f.read()
compressed = Frame.compress(data)
assert data == Frame.decompress(compressed)
finally:
f.close()
def testTextDelim(self):
for enc in [LATIN1_ENCODING, UTF_16BE_ENCODING, UTF_16_ENCODING,
UTF_8_ENCODING]:
f = Frame(b"XXXX")
f.encoding = enc
if enc in [LATIN1_ENCODING, UTF_8_ENCODING]:
assert (f.text_delim == b"\x00")
else:
assert (f.text_delim == b"\x00\x00")
def testTextDelim(self):
for enc in [
LATIN1_ENCODING, UTF_16BE_ENCODING, UTF_16_ENCODING,
UTF_8_ENCODING
]:
f = Frame(b"XXXX")
f.encoding = enc
if enc in [LATIN1_ENCODING, UTF_8_ENCODING]:
assert (f.text_delim == b"\x00")
else:
assert (f.text_delim == b"\x00\x00")
def testCtor(self):
f = Frame(b"ABCD")
assert f.id == b"ABCD"
assert f.header is None
assert f.decompressed_size == 0
assert f.group_id is None
assert f.encrypt_method is None
assert f.data is None
assert f.data_len == 0
assert f.encoding is None
f = Frame(b"EFGH")
assert f.id == b"EFGH"
assert f.header is None
assert f.decompressed_size == 0
assert f.group_id is None
assert f.encrypt_method is None
assert f.data is None
assert f.data_len == 0
assert f.encoding is None
def testInitEncoding(self):
# Default encodings per version
for ver in [ID3_V1_0, ID3_V1_1, ID3_V2_3, ID3_V2_4]:
f = Frame(b"XXXX")
f.header = FrameHeader(f.id, ver)
f._initEncoding()
if ver[0] == 1:
assert (f.encoding == LATIN1_ENCODING)
elif ver[:2] == (2, 3):
assert (f.encoding == UTF_16_ENCODING)
else:
assert (f.encoding == UTF_8_ENCODING)
# Invalid encoding for a version is coerced
for ver in [ID3_V1_0, ID3_V1_1]:
for enc in [UTF_8_ENCODING, UTF_16_ENCODING, UTF_16BE_ENCODING]:
f = Frame(b"XXXX")
f.header = FrameHeader(f.id, ver)
f.encoding = enc
f._initEncoding()
assert (f.encoding == LATIN1_ENCODING)
for ver in [ID3_V2_3]:
for enc in [UTF_8_ENCODING, UTF_16BE_ENCODING]:
f = Frame(b"XXXX")
f.header = FrameHeader(f.id, ver)
f.encoding = enc
f._initEncoding()
assert (f.encoding == UTF_16_ENCODING)
# No coersion for v2.4
for ver in [ID3_V2_4]:
for enc in [LATIN1_ENCODING, UTF_8_ENCODING, UTF_16BE_ENCODING,
UTF_16_ENCODING]:
f = Frame(b"XXXX")
f.header = FrameHeader(f.id, ver)
f.encoding = enc
f._initEncoding()
assert (f.encoding == enc)
def test_encryption():
with pytest.raises(NotImplementedError):
Frame.encrypt("Iceburn")
with pytest.raises(NotImplementedError):
Frame.decrypt("Iceburn")
def testInitEncoding(self):
# Default encodings per version
for ver in [ID3_V1_0, ID3_V1_1, ID3_V2_3, ID3_V2_4]:
f = Frame(b"XXXX")
f.header = FrameHeader(f.id, ver)
f._initEncoding()
if ver[0] == 1:
assert (f.encoding == LATIN1_ENCODING)
elif ver[:2] == (2, 3):
assert (f.encoding == UTF_16_ENCODING)
else:
assert (f.encoding == UTF_8_ENCODING)
# Invalid encoding for a version is coerced
for ver in [ID3_V1_0, ID3_V1_1]:
for enc in [UTF_8_ENCODING, UTF_16_ENCODING, UTF_16BE_ENCODING]:
f = Frame(b"XXXX")
f.header = FrameHeader(f.id, ver)
f.encoding = enc
f._initEncoding()
assert (f.encoding == LATIN1_ENCODING)
for ver in [ID3_V2_3]:
for enc in [UTF_8_ENCODING, UTF_16BE_ENCODING]:
f = Frame(b"XXXX")
f.header = FrameHeader(f.id, ver)
f.encoding = enc
f._initEncoding()
assert (f.encoding == UTF_16_ENCODING)
# No coersion for v2.4
for ver in [ID3_V2_4]:
for enc in [
LATIN1_ENCODING, UTF_8_ENCODING, UTF_16BE_ENCODING,
UTF_16_ENCODING
]:
f = Frame(b"XXXX")
f.header = FrameHeader(f.id, ver)
f.encoding = enc
f._initEncoding()
assert (f.encoding == enc)
def test_encryption():
assert "Iceburn" == Frame.encrypt("Iceburn")
assert "Iceburn" == Frame.decrypt("Iceburn")
def test_encryption():
with pytest.raises(NotImplementedError):
Frame.encrypt("Iceburn")
with pytest.raises(NotImplementedError):
Frame.decrypt("Iceburn")