Write Message to File¶
Requirements:
write to a file
Use the same pattern learned in the previous exercise to write to the file.
open(file_name: str, mode: str)
Starter Code¶
def write_msg_to_file(msg: str, file_name: str) ->< None>:
"""Will write a message to a file
Args:
msg: The message to write.
file_name: The name of the file to write the message in.
"""
pass
Tests¶
import pytest
import os
import uuid
from main import write_msg_to_file
def remove_file(file_name: str) -> None:
if os.path.exists(file_name):
os.remove(file_name)
def read_file(filename: str) -> None:
with open(filename, "r") as f:
return f.read().strip()
@pytest.fixture(autouse=True)
def clear_test_files():
yield
files = os.listdir()
for f in files:
if f.endswith(".test_txt"):
os.remove(f)
def test_write_msg_to_file_hello():
filename = "hello.test_txt"
contents = "hello world!"
write_msg_to_file(contents, filename)
assert read_file(filename) == contents
def test_write_msg_to_file_acceptance():
for _ in range(10):
filename = f"{uuid.uuid4().hex}.test_txt"
contents = f"{uuid.uuid4().hex}"
write_msg_to_file(contents, filename)
assert read_file(filename) == contents