Files
RustPython/tests/snippets/stdlib_os.py
2019-05-04 11:07:56 +03:00

125 lines
2.8 KiB
Python

import os
import time
import stat
from testutils import assert_raises
fd = os.open('README.md', 0)
assert fd > 0
os.close(fd)
assert_raises(OSError, lambda: os.read(fd, 10))
assert_raises(FileNotFoundError, lambda: os.open('DOES_NOT_EXIST', 0))
assert os.O_RDONLY == 0
assert os.O_WRONLY == 1
assert os.O_RDWR == 2
ENV_KEY = "TEST_ENV_VAR"
ENV_VALUE = "value"
assert os.getenv(ENV_KEY) == None
assert ENV_KEY not in os.environ
assert os.getenv(ENV_KEY, 5) == 5
os.environ[ENV_KEY] = ENV_VALUE
assert ENV_KEY in os.environ
assert os.getenv(ENV_KEY) == ENV_VALUE
del os.environ[ENV_KEY]
assert ENV_KEY not in os.environ
assert os.getenv(ENV_KEY) == None
if os.name == "posix":
os.putenv(ENV_KEY, ENV_VALUE)
os.unsetenv(ENV_KEY)
assert os.getenv(ENV_KEY) == None
assert os.curdir == "."
assert os.pardir == ".."
assert os.extsep == "."
if os.name == "nt":
assert os.sep == "\\"
assert os.linesep == "\r\n"
assert os.altsep == "/"
assert os.pathsep == ";"
else:
assert os.sep == "/"
assert os.linesep == "\n"
assert os.altsep == None
assert os.pathsep == ":"
class TestWithTempDir():
def __enter__(self):
if os.name == "nt":
base_folder = os.environ["TEMP"]
else:
base_folder = "/tmp"
name = base_folder + os.sep + "rustpython_test_os_" + str(int(time.time()))
os.mkdir(name)
self.name = name
return name
def __exit__(self, exc_type, exc_val, exc_tb):
# TODO: Delete temp dir
pass
FILE_NAME = "test1"
FILE_NAME2 = "test2"
FOLDER = "dir1"
CONTENT = b"testing"
CONTENT2 = b"rustpython"
CONTENT3 = b"BOYA"
with TestWithTempDir() as tmpdir:
fname = tmpdir + os.sep + FILE_NAME
with open(fname, "wb"):
pass
fd = os.open(fname, 1)
assert os.write(fd, CONTENT2) == len(CONTENT2)
assert os.write(fd, CONTENT3) == len(CONTENT3)
os.close(fd)
fd = os.open(fname, 0)
assert os.read(fd, len(CONTENT2)) == CONTENT2
assert os.read(fd, len(CONTENT3)) == CONTENT3
os.close(fd)
fname2 = tmpdir + os.sep + FILE_NAME2
with open(fname2, "wb"):
pass
folder = tmpdir + os.sep + FOLDER
os.mkdir(folder)
names = set()
paths = set()
dirs = set()
files = set()
for dir_entry in os.scandir(tmpdir):
names.add(dir_entry.name)
paths.add(dir_entry.path)
if dir_entry.is_dir():
assert stat.S_ISDIR(dir_entry.stat().st_mode) == True
dirs.add(dir_entry.name)
if dir_entry.is_file():
files.add(dir_entry.name)
assert stat.S_ISREG(dir_entry.stat().st_mode) == True
assert names == set([FILE_NAME, FILE_NAME2, FOLDER])
assert paths == set([fname, fname2, folder])
assert dirs == set([FOLDER])
assert files == set([FILE_NAME, FILE_NAME2])
# Stat
stat_res = os.stat(fname)
print(stat_res.st_mode)
assert stat.S_ISREG(stat_res.st_mode) == True
print(stat_res.st_ino)
print(stat_res.st_dev)
print(stat_res.st_nlink)
print(stat_res.st_uid)
print(stat_res.st_gid)
print(stat_res.st_size)
assert stat_res.st_size == len(CONTENT2) + len(CONTENT3)