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import io
import os
import platform
import sys
import pytest
from aiofiles import tempfile
@pytest.mark.parametrize("mode", ["r+", "w+", "rb+", "wb+"])
async def test_temporary_file(mode):
"""Test temporary file."""
data = b"Hello World!\n" if "b" in mode else "Hello World!\n"
async with tempfile.TemporaryFile(mode=mode) as f:
for _ in range(3):
await f.write(data)
await f.flush()
await f.seek(0)
async for line in f:
assert line == data
@pytest.mark.parametrize("mode", ["r+", "w+", "rb+", "wb+"])
@pytest.mark.skipif(
sys.version_info >= (3, 12),
reason=("3.12+ doesn't support tempfile.NamedTemporaryFile.delete"),
)
async def test_named_temporary_file(mode):
data = b"Hello World!" if "b" in mode else "Hello World!"
filename = None
async with tempfile.NamedTemporaryFile(mode=mode) as f:
await f.write(data)
await f.flush()
await f.seek(0)
assert await f.read() == data
filename = f.name
assert os.path.exists(filename)
assert os.path.isfile(filename)
assert f.delete
assert not os.path.exists(filename)
@pytest.mark.parametrize("mode", ["r+", "w+", "rb+", "wb+"])
@pytest.mark.skipif(
sys.version_info < (3, 12),
reason=("3.12+ doesn't support tempfile.NamedTemporaryFile.delete"),
)
async def test_named_temporary_file_312(mode):
data = b"Hello World!" if "b" in mode else "Hello World!"
filename = None
async with tempfile.NamedTemporaryFile(mode=mode) as f:
await f.write(data)
await f.flush()
await f.seek(0)
assert await f.read() == data
filename = f.name
assert os.path.exists(filename)
assert os.path.isfile(filename)
assert not os.path.exists(filename)
@pytest.mark.parametrize("mode", ["r+", "w+", "rb+", "wb+"])
@pytest.mark.skipif(
sys.version_info < (3, 12), reason=("3.12+ supports delete_on_close")
)
async def test_named_temporary_delete_on_close(mode):
data = b"Hello World!" if "b" in mode else "Hello World!"
filename = None
async with tempfile.NamedTemporaryFile(mode=mode, delete_on_close=True) as f:
await f.write(data)
await f.flush()
await f.close()
filename = f.name
assert not os.path.exists(filename)
async with tempfile.NamedTemporaryFile(mode=mode, delete_on_close=False) as f:
await f.write(data)
await f.flush()
await f.close()
filename = f.name
assert os.path.exists(filename)
assert not os.path.exists(filename)
@pytest.mark.parametrize("mode", ["r+", "w+", "rb+", "wb+"])
async def test_spooled_temporary_file(mode):
"""Test spooled temporary file."""
data = b"Hello World!" if "b" in mode else "Hello World!"
async with tempfile.SpooledTemporaryFile(max_size=len(data) + 1, mode=mode) as f:
await f.write(data)
await f.flush()
if "b" in mode:
assert type(f._file._file) is io.BytesIO
await f.write(data)
await f.flush()
if "b" in mode:
assert type(f._file._file) is not io.BytesIO
await f.seek(0)
assert await f.read() == data + data
@pytest.mark.skipif(
platform.system() == "Windows", reason="Doesn't work on Win properly"
)
@pytest.mark.parametrize(
"test_string, newlines", [("LF\n", "\n"), ("CRLF\r\n", "\r\n")]
)
async def test_spooled_temporary_file_newlines(test_string, newlines):
"""
Test `newlines` property in spooled temporary file.
issue https://github.com/Tinche/aiofiles/issues/118
"""
async with tempfile.SpooledTemporaryFile(mode="w+") as f:
await f.write(test_string)
await f.flush()
await f.seek(0)
assert f.newlines is None
await f.read()
assert f.newlines == newlines
@pytest.mark.parametrize("prefix, suffix", [("a", "b"), ("c", "d"), ("e", "f")])
async def test_temporary_directory(prefix, suffix, tmp_path):
"""Test temporary directory."""
dir_path = None
async with tempfile.TemporaryDirectory(
suffix=suffix, prefix=prefix, dir=tmp_path
) as d:
dir_path = d
assert os.path.exists(dir_path)
assert os.path.isdir(dir_path)
assert d[-1] == suffix
assert d.split(os.sep)[-1][0] == prefix
assert not os.path.exists(dir_path)
|
