mirror of
https://github.com/tahoe-lafs/tahoe-lafs.git
synced 2024-12-19 13:07:56 +00:00
132 lines
3.8 KiB
Python
132 lines
3.8 KiB
Python
"""
|
|
Integration tests for getting and putting files, including reading from stdin
|
|
and stdout.
|
|
"""
|
|
|
|
from subprocess import Popen, PIPE, check_output, check_call
|
|
import sys
|
|
|
|
import pytest
|
|
from pytest_twisted import ensureDeferred
|
|
from twisted.internet import reactor
|
|
|
|
from .util import run_in_thread, cli, reconfigure
|
|
|
|
DATA = b"abc123 this is not utf-8 decodable \xff\x00\x33 \x11"
|
|
try:
|
|
DATA.decode("utf-8")
|
|
except UnicodeDecodeError:
|
|
pass # great, what we want
|
|
else:
|
|
raise ValueError("BUG, the DATA string was decoded from UTF-8")
|
|
|
|
|
|
@pytest.fixture(scope="session")
|
|
def get_put_alias(alice):
|
|
cli(alice, "create-alias", "getput")
|
|
|
|
|
|
def read_bytes(path):
|
|
with open(path, "rb") as f:
|
|
return f.read()
|
|
|
|
|
|
@run_in_thread
|
|
def test_put_from_stdin(alice, get_put_alias, tmpdir):
|
|
"""
|
|
It's possible to upload a file via `tahoe put`'s STDIN, and then download
|
|
it to a file.
|
|
"""
|
|
tempfile = str(tmpdir.join("file"))
|
|
p = Popen(
|
|
["tahoe", "--node-directory", alice.node_dir, "put", "-", "getput:fromstdin"],
|
|
stdin=PIPE
|
|
)
|
|
p.stdin.write(DATA)
|
|
p.stdin.close()
|
|
assert p.wait() == 0
|
|
|
|
cli(alice, "get", "getput:fromstdin", tempfile)
|
|
assert read_bytes(tempfile) == DATA
|
|
|
|
|
|
@run_in_thread
|
|
def test_get_to_stdout(alice, get_put_alias, tmpdir):
|
|
"""
|
|
It's possible to upload a file, and then download it to stdout.
|
|
"""
|
|
tempfile = tmpdir.join("file")
|
|
with tempfile.open("wb") as f:
|
|
f.write(DATA)
|
|
cli(alice, "put", str(tempfile), "getput:tostdout")
|
|
|
|
p = Popen(
|
|
["tahoe", "--node-directory", alice.node_dir, "get", "getput:tostdout", "-"],
|
|
stdout=PIPE
|
|
)
|
|
assert p.stdout.read() == DATA
|
|
assert p.wait() == 0
|
|
|
|
|
|
@run_in_thread
|
|
def test_large_file(alice, get_put_alias, tmp_path):
|
|
"""
|
|
It's possible to upload and download a larger file.
|
|
|
|
We avoid stdin/stdout since that's flaky on Windows.
|
|
"""
|
|
tempfile = tmp_path / "file"
|
|
with tempfile.open("wb") as f:
|
|
f.write(DATA * 1_000_000)
|
|
cli(alice, "put", str(tempfile), "getput:largefile")
|
|
|
|
outfile = tmp_path / "out"
|
|
check_call(
|
|
["tahoe", "--node-directory", alice.node_dir, "get", "getput:largefile", str(outfile)],
|
|
)
|
|
assert outfile.read_bytes() == tempfile.read_bytes()
|
|
|
|
|
|
@ensureDeferred
|
|
async def test_upload_download_immutable_different_default_max_segment_size(alice, get_put_alias, tmpdir, request):
|
|
"""
|
|
Tahoe-LAFS used to have a default max segment size of 128KB, and is now
|
|
1MB. Test that an upload created when 128KB was the default can be
|
|
downloaded with 1MB as the default (i.e. old uploader, new downloader), and
|
|
vice versa, (new uploader, old downloader).
|
|
"""
|
|
tempfile = tmpdir.join("file")
|
|
large_data = DATA * 100_000
|
|
assert len(large_data) > 2 * 1024 * 1024
|
|
with tempfile.open("wb") as f:
|
|
f.write(large_data)
|
|
|
|
async def set_segment_size(segment_size):
|
|
await reconfigure(
|
|
reactor,
|
|
request,
|
|
alice,
|
|
(1, 1, 1),
|
|
None,
|
|
max_segment_size=segment_size
|
|
)
|
|
|
|
# 1. Upload file 1 with default segment size set to 1MB
|
|
await set_segment_size(1024 * 1024)
|
|
cli(alice, "put", str(tempfile), "getput:seg1024kb")
|
|
|
|
# 2. Download file 1 with default segment size set to 128KB
|
|
await set_segment_size(128 * 1024)
|
|
assert large_data == check_output(
|
|
["tahoe", "--node-directory", alice.node_dir, "get", "getput:seg1024kb", "-"]
|
|
)
|
|
|
|
# 3. Upload file 2 with default segment size set to 128KB
|
|
cli(alice, "put", str(tempfile), "getput:seg128kb")
|
|
|
|
# 4. Download file 2 with default segment size set to 1MB
|
|
await set_segment_size(1024 * 1024)
|
|
assert large_data == check_output(
|
|
["tahoe", "--node-directory", alice.node_dir, "get", "getput:seg128kb", "-"]
|
|
)
|