from ipfs.api import IpfsApi
from ipfs.unixfs import UnixFs
fs = UnixFs(IpfsApi())
with fs.open("QmPZ9gcCEpqKTo6aq61g2nXGUhM4iCL3ewB6LDXZCtioEB", "r") as f:
for line in f.readlines():
print(line, end = "")
class TestUnixFs(unittest.TestCase):
"""These test cases need a running daemon. Use a VM or a IPFS test node.
Use the `DEBUG` class attribute and the decorator to skip tests or run only some.
#todo: implement mocks where possible
"""
DEBUG = False # set this flag to skip tests while debugging the unit
@classmethod
def setUpClass(cls):
cls.KEY_LOGO_PNG = "QmUYndb1SkY49khYAg9Zn2yp9Z44cRFtqMnVAZP5qes8ce"
cls.HASH_LOGO_PNG = "026423abaa74bfb92287b467ed88afbf5958df73"
cls.KEY_WORLD_JPEG = "QmYGVhjTfVvBAAf2SAWMJsTDheo7UuyjQigGahmB8YU3ZH"
cls.HASH_WORLD_JPEG = "8de181b2c86088e941f2127d6338e60fb9d8b4c5"
cls.KEY_README = "QmPZ9gcCEpqKTo6aq61g2nXGUhM4iCL3ewB6LDXZCtioEB"
cls.KEY_DIR = "QmR9MzChjp1MdFWik7NjEjqKQMzVmBkdK3dz14A6B5Cupm"
cls.FILES_IMG_DIR = ('bug.png', 'dark-world.jpg', 'favicon.ico', 'git.png', 'help.png', 'info.png', 'log.png', 'logo.png', 'world.jpg')
def setUp(self):
self.fs = UnixFs(IpfsApi())
@unittest.skipIf(DEBUG, "debug")
def test_small_file_readall(self):
with self.fs.open(self.KEY_LOGO_PNG, "rb") as f:
self.assertEqual(self.HASH_LOGO_PNG, sha1(f.read()).hexdigest())
@unittest.skipIf(DEBUG, "debug")
def test_big_file_readall(self):
with self.fs.open(self.KEY_WORLD_JPEG, "rb") as f:
self.assertEqual(self.HASH_WORLD_JPEG, sha1(f.read()).hexdigest())
@unittest.skipIf(DEBUG, "debug")
def test_small_file_seek_and_read(self):
with self.fs.open(self.KEY_LOGO_PNG, "rb") as f:
self.assertEqual(64, f.seek(64, io.SEEK_CUR))
self.assertEqual(128, f.seek(64, io.SEEK_CUR))
self.assertEqual(256, f.seek(256, io.SEEK_SET))
self.assertEqual(24610, f.seek(-256, io.SEEK_END))
self.assertEqual(
b'\x04$\x00_\x85$\xfb^\xf8\xe8]\x7f;}\xa8\xb7',
f.read(16))
@unittest.skipIf(DEBUG, "debug")
def test_readinto(self):
buf = bytearray(32)
with self.fs.open(self.KEY_LOGO_PNG, "rb") as f:
self.assertEqual(32, f.readinto(buf))
self.assertEqual(
b'\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00\x00\x02\x80\x00\x00\x01\x00\x08\x06\x00\x00\x00#\x95\xc7',
buf)
@unittest.skipIf(DEBUG, "debug")
def test_read_and_tell(self):
with self.fs.open(self.KEY_LOGO_PNG, "rb") as f:
self.assertEqual(0, f.tell())
f.read(16)
self.assertEqual(16, f.tell())
@unittest.skipIf(DEBUG, "debug")
def test_read_text_file(self):
with self.fs.open(self.KEY_README) as f:
self.assertEqual(
"Hello and Welcome to IPFS!",
f.read(26))
@unittest.skipIf(DEBUG, "debug")
def test_read_more_than_available(self):
with self.fs.open(self.KEY_README, "rb") as f:
f.read(1090)
self.assertEqual(b"\n", f.read(10))
self.assertEqual(b"", f.read(10))
def test_dir_by_key(self):
d = self.fs.dir(self.KEY_DIR)
self.assertEqual(
"/ipfs/" + self.KEY_DIR,
d.path)
self.assertEqual(
('bundle.js', 'bundle.js.map', 'index.html', 'static', 'style.css'),
d.listdir())
def test_dir_relative_simple(self):
d = self.fs.dir(self.KEY_DIR)
d2 = d.dir("static")
self.assertEqual(
"/ipfs/QmR9MzChjp1MdFWik7NjEjqKQMzVmBkdK3dz14A6B5Cupm/static",
d2.path)
self.assertEqual(
('fonts', 'img'),
d2.listdir())
def test_dir_relative(self):
d = self.fs.dir(self.KEY_DIR)
d2 = d.dir("static")
d3 = d2.dir("img")
d4 = d.dir("static/img")
self.assertEqual(
"/ipfs/QmR9MzChjp1MdFWik7NjEjqKQMzVmBkdK3dz14A6B5Cupm/static/img",
d3.path)
self.assertEqual(self.FILES_IMG_DIR, d3.listdir())
self.assertEqual(d3, d4)
self.assertEqual(
"/ipfs/QmR9MzChjp1MdFWik7NjEjqKQMzVmBkdK3dz14A6B5Cupm/static/img",
d4.path)
self.assertEqual(self.FILES_IMG_DIR, d4.listdir())
def test_dir_read_file(self):
d = self.fs.dir(self.KEY_DIR)
d2 = d.dir("static/img")
with d2.file("logo.png").open("rb") as f:
self.assertEqual(self.HASH_LOGO_PNG, sha1(f.read()).hexdigest())
def tearDown(self):
del self.fs
@classmethod
def tearDownClass(cls):
del cls
def setUp(self):
self.fs = UnixFs(IpfsApi())
from ipfs.api import IpfsApi
from ipfs.unixfs import UnixFs
fs = UnixFs(IpfsApi())
with fs.open("QmPZ9gcCEpqKTo6aq61g2nXGUhM4iCL3ewB6LDXZCtioEB", "r") as f:
for line in f.readlines():
print(line, end="")
