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from XRootD import client
from XRootD.client.utils import AsyncResponseHandler
from XRootD.client.flags import OpenFlags, AccessMode
from env import *
import pytest
import sys
import os
# Global open mode
open_mode = (AccessMode.UR | AccessMode.UW |
AccessMode.GR | AccessMode.GW |
AccessMode.OR | AccessMode.OW)
def test_write_sync():
f = client.File()
pytest.raises(ValueError, f.write, smallbuffer)
status, __ = f.open(smallfile, OpenFlags.DELETE, open_mode)
assert status.ok
# Write
status, __ = f.write(smallbuffer)
assert status.ok
# Read
status, response = f.read()
assert status.ok
assert len(response) == len(smallbuffer)
buffer = 'eggs and ham\n'
status, __ = f.write(buffer, offset=13, size=len(buffer) - 2)
assert status.ok
status, response = f.read()
assert status.ok
assert len(response) == len(buffer * 2) - 2
f.close()
def test_write_async():
f = client.File()
status, __ = f.open(smallfile, OpenFlags.DELETE, open_mode)
assert status.ok
# Write async
handler = AsyncResponseHandler()
status = f.write(smallbuffer, callback=handler)
status, __, __ = handler.wait()
assert status.ok
# Read sync
status, response = f.read()
assert status.ok
assert len(response) == len(smallbuffer)
f.close()
def test_open_close_sync():
f = client.File()
pytest.raises(ValueError, f.stat)
status, __ = f.open(smallfile, OpenFlags.READ)
assert status.ok
assert f.is_open()
# Close
status, __ = f.close()
assert status.ok
assert f.is_open() == False
pytest.raises(ValueError, f.stat)
f.close()
f.close()
def test_open_close_async():
f = client.File()
handler = AsyncResponseHandler()
status = f.open(smallfile, OpenFlags.READ, callback=handler)
assert status.ok
status, __, __ = handler.wait()
assert status.ok
assert f.is_open()
# Close async
handler = AsyncResponseHandler()
status = f.close(callback=handler)
assert status.ok
status, __, __ = handler.wait()
assert status.ok
assert f.is_open() == False
def test_io_limits():
f = client.File()
pytest.raises(ValueError, f.read)
status, __ = f.open(smallfile, OpenFlags.UPDATE)
assert status.ok
status, __ = f.stat()
assert status.ok
# Test read limits
pytest.raises(TypeError, f.read, 0, [1, 2])
pytest.raises(TypeError, f.read, [1, 2], 0)
pytest.raises(TypeError, f.read, 0, 10, [0, 1, 2])
pytest.raises(OverflowError, f.read, 0, -10)
pytest.raises(OverflowError, f.read, -1, 1)
pytest.raises(OverflowError, f.read, 0, 1, -1)
pytest.raises(OverflowError, f.read, 0, 10**11)
pytest.raises(OverflowError, f.read, 0, 10, 10**6)
# Test readline limits
pytest.raises(TypeError, f.readline, [0, 1], 1)
pytest.raises(TypeError, f.readline, 0, [0, 1])
pytest.raises(TypeError, f.readline, 0, 10, [0, 1])
pytest.raises(OverflowError, f.readline, -1, 1)
pytest.raises(OverflowError, f.readline, 0, -1)
pytest.raises(OverflowError, f.readline, 0, 1, -1)
pytest.raises(OverflowError, f.readline, 0, 10**11)
pytest.raises(OverflowError, f.readline, 0, 10, 10**11)
# Test write limits
data = "data that will never get written"
pytest.raises(TypeError, f.write, data, 0, [1, 2])
pytest.raises(TypeError, f.write, data, [1, 2], 0)
pytest.raises(TypeError, f.write, data, 0, 10, [0, 1, 2])
pytest.raises(OverflowError, f.write, data, 0, -10)
pytest.raises(OverflowError, f.write, data, -1, 1)
pytest.raises(OverflowError, f.write, data, 0, 1, -1)
pytest.raises(OverflowError, f.write, data, 0, 10**11)
pytest.raises(OverflowError, f.write, data, 0, 10, 10**6)
# Test vector_read limits
pytest.raises(TypeError, f.vector_read, chunks=100)
pytest.raises(TypeError, f.vector_read, chunks=[1,2,3])
pytest.raises(TypeError, f.vector_read, chunks=[("lol", "cakes")])
pytest.raises(TypeError, f.vector_read, chunks=[(1), (2)])
pytest.raises(TypeError, f.vector_read, chunks=[(1, 2), (3)])
pytest.raises(OverflowError, f.vector_read, chunks=[(-1, -100), (-100, -100)])
pytest.raises(OverflowError, f.vector_read, chunks=[(0, 10**10*10)])
# Test truncate limits
pytest.raises(TypeError, f.truncate, 0, [1, 2])
pytest.raises(TypeError, f.truncate, [1, 2], 0)
pytest.raises(OverflowError, f.truncate, -1)
pytest.raises(OverflowError, f.truncate, 100, -10)
pytest.raises(OverflowError, f.truncate, 0, 10**6)
status, __ = f.close()
assert status.ok
def test_write_big_async():
f = client.File()
pytest.raises(ValueError, f.read)
status, __ = f.open(bigfile, OpenFlags.DELETE, open_mode)
assert status.ok
rand_data = os.urandom(64 * 1024)
max_size = 512 * 1024 # 512 K
offset = 0
lst_handlers = []
while offset <= max_size:
status, __ = f.write(smallbuffer)
assert status.ok
handler = AsyncResponseHandler()
lst_handlers.append(handler)
status = f.write(rand_data, offset, callback=handler)
assert status.ok
offset = offset + len(smallbuffer) + len(rand_data)
# Wait for async write responses
for handler in lst_handlers:
status, __, __ = handler.wait()
assert status.ok
f.close()
def test_read_sync():
f = client.File()
pytest.raises(ValueError, f.read)
status, response = f.open(bigfile, OpenFlags.READ)
assert status.ok
status, response = f.stat()
size = response.size
status, response = f.read()
assert status.ok
assert len(response) == size
f.close()
def test_read_async():
f = client.File()
status, response = f.open(bigfile, OpenFlags.READ)
assert status.ok
status, response = f.stat()
size = response.size
handler = AsyncResponseHandler()
status = f.read(callback=handler)
assert status.ok
status, response, hostlist = handler.wait()
assert status.ok
assert len(response) == size
f.close()
def test_iteration():
f = client.File()
status, __ = f.open(smallfile, OpenFlags.DELETE)
assert status.ok
status, __ = f.write(smallbuffer)
assert status.ok
size = f.stat(force=True)[1].size
pylines = smallbuffer.split('\n')
total = 0
for i, line in enumerate(f):
total += len(line)
if pylines[i].endswith('\n'):
assert line.endswith('\n')
assert total == size
f.close()
def test_readline():
f = client.File()
f.open(smallfile, OpenFlags.DELETE, open_mode)
f.write(smallbuffer)
response = f.readline(offset=0, size=100)
assert response == 'gre\0en\n'
response = f.readline()
assert response == 'eggs\n'
response = f.readline()
assert response == 'and\n'
response = f.readline()
assert response == 'ham\n'
f.close()
f = client.File()
f.open(smallfile, OpenFlags.DELETE, open_mode)
f.write(smallbuffer[:-1])
f.readline()
f.readline()
f.readline()
response = f.readline()
assert response == 'ham'
f.close()
def test_readchunks_small():
f = client.File()
f.open(smallfile, OpenFlags.DELETE)
f.write(smallbuffer)
f.close()
f.open(smallfile, OpenFlags.READ)
size = f.stat()[1].size
total = 0
chunks = [b'gre', b'\0en', b'\neg', b'gs\n', b'and', b'\nha', b'm\n']
for i, chunk in enumerate(f.readchunks(chunksize=3)):
assert chunk == chunks[i]
total += len(chunk)
assert total == size
f.close()
def test_readchunks_big():
f = client.File()
f.open(bigfile, OpenFlags.READ)
size = f.stat()[1].size
total = 0
for chunk in f.readchunks(chunksize=1024 * 1024 * 2):
total += len(chunk)
assert total == size
f.close()
def test_vector_read_sync():
v = [(0, 100), (101, 200), (201, 200)]
vlen = sum([vec[1] for vec in v])
f = client.File()
status, __ = f.open(bigfile, OpenFlags.READ)
assert status.ok
status, stat_info = f.stat()
assert status.ok
status, response = f.vector_read(chunks=v)
# If big enough file everything shoud be ok
if (stat_info.size > max([off + sz for (off, sz) in v])):
assert status.ok
assert response.size == vlen
else:
# If file not big enough this should fail
status, __ = f.vector_read(chunks=v)
assert not status.ok
f.close()
def test_vector_read_async():
v = [(0, 100), (101, 200), (201, 200)]
vlen = sum([vec[1] for vec in v])
f = client.File()
status, __ = f.open(bigfile, OpenFlags.READ)
assert status.ok
status, stat_info = f.stat()
assert status.ok
handler = AsyncResponseHandler()
status = f.vector_read(chunks=v, callback=handler)
assert status.ok
# If big enough file everything shoud be ok
if (stat_info.size > max([off + sz for (off, sz) in v])):
status, response, hostlist = handler.wait()
assert status.ok
assert response.size == vlen
else:
status, __, __ = handler.wait()
assert not status.ok
f.close()
def test_stat_sync():
f = client.File()
pytest.raises(ValueError, f.stat)
status, __ = f.open(bigfile)
assert status.ok
status, __ = f.stat()
assert status.ok
f.close()
def test_stat_async():
f = client.File()
status, response = f.open(bigfile)
assert status.ok
handler = AsyncResponseHandler()
status = f.stat(callback=handler)
assert status.ok
status, __, __ = handler.wait()
assert status.ok
f.close()
def test_sync_sync():
f = client.File()
pytest.raises(ValueError, f.sync)
status, __ = f.open(bigfile)
assert status.ok
status, __ = f.sync()
assert status.ok
f.close()
def test_sync_async():
f = client.File()
status, response = f.open(bigfile)
assert status.ok
handler = AsyncResponseHandler()
status = f.sync(callback=handler)
status, __, __ = handler.wait()
assert status.ok
f.close()
def test_truncate_sync():
f = client.File()
pytest.raises(ValueError, f.truncate, 10000)
status, __ = f.open(smallfile, OpenFlags.DELETE)
assert status.ok
status, __ = f.truncate(size=10000)
assert status.ok
f.close()
def test_truncate_async():
f = client.File()
status, __ = f.open(smallfile, OpenFlags.DELETE)
assert status.ok
handler = AsyncResponseHandler()
status = f.truncate(size=10000, callback=handler)
assert status.ok
status, __, __ = handler.wait()
assert status.ok
f.close()
def test_misc():
f = client.File()
assert not f.is_open()
# Open
status, response = f.open(smallfile, OpenFlags.READ)
assert status.ok
assert f.is_open()
# Set/get file properties
f.set_property("ReadRecovery", "true")
f.set_property("WriteRecovery", "true")
assert f.get_property("DataServer")
# Testing context manager
f.close()
assert not f.is_open()
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