Macintosh-Tools/python-rsrcfork
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Add tests for reading resource files from streams instead of path

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dgelessus 2020-01-21 15:20:46 +01:00
parent 5b2700bf17
commit 5391d66a78
1 changed files with 48 additions and 20 deletions
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68
tests/test_rsrcfork.py
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@ -1,5 +1,7 @@
import collections
import io
import pathlib
import typing
import unittest
import rsrcfork
@ -79,6 +81,18 @@ TESTFILE_RESOURCES = collections.OrderedDict([
])
class UnseekableStreamWrapper(io.BufferedIOBase):
_wrapped: typing.BinaryIO
def __init__(self, wrapped: typing.BinaryIO) -> None:
super().__init__()
self._wrapped = wrapped
def read(self, size: typing.Optional[int] = -1) -> bytes:
return self._wrapped.read(size)
class ResourceFileReadTests(unittest.TestCase):
def test_empty(self) -> None:
with rsrcfork.open(EMPTY_RSRC_FILE, fork="data") as rf:
@ -87,27 +101,41 @@ class ResourceFileReadTests(unittest.TestCase):
self.assertEqual(rf.file_attributes, rsrcfork.ResourceFileAttrs(0))
self.assertEqual(list(rf), [])
def test_textclipping(self) -> None:
def internal_test_textclipping(self, rf: rsrcfork.ResourceFile) -> None:
self.assertEqual(rf.header_system_data, bytes(112))
self.assertEqual(rf.header_application_data, bytes(128))
self.assertEqual(rf.file_attributes, rsrcfork.ResourceFileAttrs(0))
self.assertEqual(list(rf), list(TEXTCLIPPING_RESOURCES))
for (actual_type, actual_reses), (expected_type, expected_reses) in zip(rf.items(), TEXTCLIPPING_RESOURCES.items()):
with self.subTest(type=expected_type):
self.assertEqual(actual_type, expected_type)
self.assertEqual(list(actual_reses), list(expected_reses))
for (actual_id, actual_res), (expected_id, expected_data) in zip(actual_reses.items(), expected_reses.items()):
with self.subTest(id=expected_id):
self.assertEqual(actual_res.type, expected_type)
self.assertEqual(actual_id, expected_id)
self.assertEqual(actual_res.id, expected_id)
self.assertEqual(actual_res.name, None)
self.assertEqual(actual_res.attributes, rsrcfork.ResourceAttrs(0))
self.assertEqual(actual_res.data, expected_data)
self.assertEqual(actual_res.compressed_info, None)
def test_textclipping_seekable_stream(self) -> None:
with TEXTCLIPPING_RSRC_FILE.open("rb") as f:
with rsrcfork.ResourceFile(f) as rf:
self.internal_test_textclipping(rf)
def test_textclipping_unseekable_stream(self) -> None:
with TEXTCLIPPING_RSRC_FILE.open("rb") as f:
with UnseekableStreamWrapper(f) as usf:
with rsrcfork.ResourceFile(usf) as rf:
self.internal_test_textclipping(rf)
def test_textclipping_path_data_fork(self) -> None:
with rsrcfork.open(TEXTCLIPPING_RSRC_FILE, fork="data") as rf:
self.assertEqual(rf.header_system_data, bytes(112))
self.assertEqual(rf.header_application_data, bytes(128))
self.assertEqual(rf.file_attributes, rsrcfork.ResourceFileAttrs(0))
self.assertEqual(list(rf), list(TEXTCLIPPING_RESOURCES))
for (actual_type, actual_reses), (expected_type, expected_reses) in zip(rf.items(), TEXTCLIPPING_RESOURCES.items()):
with self.subTest(type=expected_type):
self.assertEqual(actual_type, expected_type)
self.assertEqual(list(actual_reses), list(expected_reses))
for (actual_id, actual_res), (expected_id, expected_data) in zip(actual_reses.items(), expected_reses.items()):
with self.subTest(id=expected_id):
self.assertEqual(actual_res.type, expected_type)
self.assertEqual(actual_id, expected_id)
self.assertEqual(actual_res.id, expected_id)
self.assertEqual(actual_res.name, None)
self.assertEqual(actual_res.attributes, rsrcfork.ResourceAttrs(0))
self.assertEqual(actual_res.data, expected_data)
self.assertEqual(actual_res.compressed_info, None)
self.internal_test_textclipping(rf)
def test_testfile(self) -> None:
with rsrcfork.open(TESTFILE_RSRC_FILE, fork="data") as rf: