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# -*- encoding: UTF-8
from __future__ import unicode_literals
import sys
import os
import six
import tempfile
import unittest
import zipfile
from fs import zipfs
from fs.compress import write_zip
from fs.enums import Seek
from fs.errors import NoURL
from fs.opener import open_fs
from fs.opener.errors import NotWriteable
from fs.test import FSTestCases
from .test_archives import ArchiveTestCases
class TestWriteReadZipFS(unittest.TestCase):
def setUp(self):
fh, self._temp_path = tempfile.mkstemp()
os.close(fh)
def tearDown(self):
os.remove(self._temp_path)
def test_unicode_paths(self):
# https://github.com/PyFilesystem/pyfilesystem2/issues/135
with zipfs.ZipFS(self._temp_path, write=True) as zip_fs:
zip_fs.writetext("Файл", "some content")
with zipfs.ZipFS(self._temp_path) as zip_fs:
paths = list(zip_fs.walk.files())
for path in paths:
self.assertIsInstance(path, six.text_type)
with zip_fs.openbin(path) as f:
f.read()
class TestWriteZipFS(FSTestCases, unittest.TestCase):
"""
Test ZIPFS implementation.
When writing, a ZipFS is essentially a TempFS.
"""
def make_fs(self):
_zip_file = tempfile.TemporaryFile()
fs = zipfs.ZipFS(_zip_file, write=True)
fs._zip_file = _zip_file
return fs
def destroy_fs(self, fs):
fs.close()
del fs._zip_file
class TestReadZipFS(ArchiveTestCases, unittest.TestCase):
"""
Test Reading zip files.
"""
def compress(self, fs):
fh, self._temp_path = tempfile.mkstemp()
os.close(fh)
write_zip(fs, self._temp_path)
def load_archive(self):
return zipfs.ZipFS(self._temp_path)
def remove_archive(self):
os.remove(self._temp_path)
def test_large(self):
test_fs = open_fs("mem://")
test_fs.writebytes("test.bin", b"a" * 50000)
write_zip(test_fs, self._temp_path)
self.fs = self.load_archive()
with self.fs.openbin("test.bin") as f:
self.assertEqual(f.read(), b"a" * 50000)
with self.fs.openbin("test.bin") as f:
self.assertEqual(f.read(50000), b"a" * 50000)
with self.fs.openbin("test.bin") as f:
self.assertEqual(f.read1(), b"a" * 50000)
with self.fs.openbin("test.bin") as f:
self.assertEqual(f.read1(50000), b"a" * 50000)
def test_getinfo(self):
super(TestReadZipFS, self).test_getinfo()
top = self.fs.getinfo("top.txt", ["zip"])
if sys.platform in ("linux", "darwin"):
self.assertEqual(top.get("zip", "create_system"), 3)
def test_openbin(self):
with self.fs.openbin("top.txt") as f:
self.assertEqual(f.name, "top.txt")
with self.fs.openbin("top.txt") as f:
self.assertRaises(ValueError, f.seek, -2, Seek.set)
with self.fs.openbin("top.txt") as f:
self.assertRaises(ValueError, f.seek, 2, Seek.end)
with self.fs.openbin("top.txt") as f:
self.assertRaises(ValueError, f.seek, 0, 5)
def test_read(self):
with self.fs.openbin("top.txt") as f:
self.assertEqual(f.read(), b"Hello, World")
with self.fs.openbin("top.txt") as f:
self.assertEqual(f.read(5), b"Hello")
self.assertEqual(f.read(7), b", World")
with self.fs.openbin("top.txt") as f:
self.assertEqual(f.read(12), b"Hello, World")
def test_read1(self):
with self.fs.openbin("top.txt") as f:
self.assertEqual(f.read1(), b"Hello, World")
with self.fs.openbin("top.txt") as f:
self.assertEqual(f.read1(5), b"Hello")
self.assertEqual(f.read1(7), b", World")
with self.fs.openbin("top.txt") as f:
self.assertEqual(f.read1(12), b"Hello, World")
def test_seek_set(self):
with self.fs.openbin("top.txt") as f:
self.assertEqual(f.tell(), 0)
self.assertEqual(f.read(), b"Hello, World")
self.assertEqual(f.tell(), 12)
self.assertEqual(f.read(), b"")
self.assertEqual(f.tell(), 12)
self.assertEqual(f.seek(0), 0)
self.assertEqual(f.tell(), 0)
self.assertEqual(f.read1(), b"Hello, World")
self.assertEqual(f.tell(), 12)
self.assertEqual(f.seek(1), 1)
self.assertEqual(f.tell(), 1)
self.assertEqual(f.read(), b"ello, World")
self.assertEqual(f.tell(), 12)
self.assertEqual(f.seek(7), 7)
self.assertEqual(f.tell(), 7)
self.assertEqual(f.read(), b"World")
self.assertEqual(f.tell(), 12)
def test_seek_current(self):
with self.fs.openbin("top.txt") as f:
self.assertEqual(f.tell(), 0)
self.assertEqual(f.read(5), b"Hello")
self.assertEqual(f.tell(), 5)
self.assertEqual(f.seek(2, Seek.current), 7)
self.assertEqual(f.read1(), b"World")
self.assertEqual(f.tell(), 12)
self.assertEqual(f.seek(-1, Seek.current), 11)
self.assertEqual(f.read(), b"d")
with self.fs.openbin("top.txt") as f:
self.assertRaises(ValueError, f.seek, -1, Seek.current)
def test_seek_end(self):
with self.fs.openbin("top.txt") as f:
self.assertEqual(f.tell(), 0)
self.assertEqual(f.seek(-12, Seek.end), 0)
self.assertEqual(f.read1(5), b"Hello")
self.assertEqual(f.seek(-7, Seek.end), 5)
self.assertEqual(f.seek(-5, Seek.end), 7)
self.assertEqual(f.read(), b"World")
def test_geturl_for_fs(self):
test_file = "foo/bar/egg/foofoo"
expected = "zip://{zip_file_path}!/{file_inside_zip}".format(
zip_file_path=self._temp_path.replace("\\", "/"), file_inside_zip=test_file
)
self.assertEqual(self.fs.geturl(test_file, purpose="fs"), expected)
def test_geturl_for_fs_but_file_is_binaryio(self):
self.fs._file = six.BytesIO()
self.assertRaises(NoURL, self.fs.geturl, "test", "fs")
def test_geturl_for_download(self):
test_file = "foo/bar/egg/foofoo"
with self.assertRaises(NoURL):
self.fs.geturl(test_file)
def test_read_non_existent_file(self):
fs = zipfs.ZipFS(open(self._temp_path, "rb"))
# it has been very difficult to catch exception in __del__()
del fs._zip
try:
fs.close()
except AttributeError:
self.fail("Could not close tar fs properly")
except Exception:
self.fail("Strange exception in closing fs")
class TestReadZipFSMem(TestReadZipFS):
def make_source_fs(self):
return open_fs("mem://")
class TestDirsZipFS(unittest.TestCase):
def test_implied(self):
"""Test zipfs creates intermediate directories."""
fh, path = tempfile.mkstemp("testzip.zip")
try:
os.close(fh)
with zipfile.ZipFile(path, mode="w") as z:
z.writestr("foo/bar/baz/egg", b"hello")
with zipfs.ReadZipFS(path) as zip_fs:
foo = zip_fs.getinfo("foo", ["details"])
self.assertEqual(zip_fs.getinfo("foo/bar").name, "bar")
self.assertEqual(zip_fs.getinfo("foo/bar/baz").name, "baz")
self.assertTrue(foo.is_dir)
self.assertTrue(zip_fs.isfile("foo/bar/baz/egg"))
finally:
os.remove(path)
class TestOpener(unittest.TestCase):
def test_not_writeable(self):
with self.assertRaises(NotWriteable):
open_fs("zip://foo.zip", writeable=True)
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