async def test_tell(self):
async with s3aioFileObject(self.cfg["STFC"]["url"] +
"/buckettest/thefox2a.nc",
credentials=self.cfg["STFC"]["credentials"],
mode="rw") as s3c:
if s3c.tell() == 0:
return
else:
self.fail("s3aioFileObject.tell did not return 0")
async def test_seekable(self):
async with s3aioFileObject(self.cfg["STFC"]["url"] +
"/buckettest/thefox2a.nc",
credentials=self.cfg["STFC"]["credentials"],
mode="rw") as s3c:
if s3c.seekable():
return
else:
self.fail("s3aioFileObject.seekable returned False")
async def test_fileno(self):
async with s3aioFileObject(self.cfg["STFC"]["url"] +
"/buckettest/thefox2a.nc",
credentials=self.cfg["STFC"]["credentials"],
mode="w") as s3c:
try:
s3c.fileno()
except io.UnsupportedOperation:
return
self.fail(
"s3aioFileObject.fileno did not raise io.UnsupportedOperation")
async def test_1write(self):
async with s3aioFileObject(self.cfg["STFC"]["url"] +
"/buckettest/thefox2a.nc",
credentials=self.cfg["STFC"]["credentials"],
mode="w") as s3c:
# create random bytes - if we keep it below s3c._getsize() then it will
# only do one upload
size = await s3c._getsize()
bytes = bytearray(size)
for b in range(0, size):
bytes[b] = 128
# convert bytes to io.BytesIO
if await s3c.write(bytes) == 0:
self.fail("s3aioFileObject.write returned zero")
async def test_seek(self):
async with s3aioFileObject(self.cfg["STFC"]["url"] +
"/buckettest/thefox2a.nc",
credentials=self.cfg["STFC"]["credentials"],
mode="rw") as s3c:
# Three different methods for seek:
# whence = io.SEEK_SET
# whence = io.SEEK_CUR
# whence = io.SEEK_END
# the current pointer is on zero
if not await s3c.seek(0, whence=io.SEEK_SET) == 0:
self.fail("s3aioFileObject.seek did not return 0")
if not await s3c.seek(10, whence=io.SEEK_SET) == 10:
self.fail("s3aioFileObject.seek did not return 10")
# now on 10
try:
await s3c.seek(-1, whence=io.SEEK_SET)
except IOException:
pass
else:
self.fail("s3aioFileObject.seek did not raise IOException")
# should have failed so still on 10
# the current pointer is on ten (10)
if not await s3c.seek(-10, whence=io.SEEK_CUR) == 0:
self.fail("s3aioFileObject.seek did not return 0")
# now on 0 - should raise an exception if we seek below 0
try:
await s3c.seek(-1, whence=io.SEEK_CUR)
except IOException:
pass
else:
self.fail("s3aioFileObject.seek did not raise IOException")
# still on zero: get the size to seek past it
size = await s3c._getsize()
try:
await s3c.seek(size + 1, whence=io.SEEK_CUR)
except IOException:
pass
else:
self.fail("s3aioFileObject.seek did not raise IOException")
# still on zero - seek from the end
try:
await s3c.seek(size + 1, whence=io.SEEK_END)
except IOException:
pass
else:
self.fail("s3aioFileObject.seek did not raise IOException")
# still on 0 - seek backwards from the end
try:
await s3c.seek(-1, whence=io.SEEK_END)
except IOException:
pass
else:
self.fail("s3aioFileObject.seek did not raise IOException")
if await s3c.seek(10, whence=io.SEEK_END) != size - 10:
self.fail(
"s3aioFileObject.seek did not return {}".format(size - 10))