mia-accounting/tests/testlib.py

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# The Mia! Accounting Flask Project.
# Author: imacat@mail.imacat.idv.tw (imacat), 2023/1/27
# Copyright (c) 2023 imacat.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""The common test libraries.
"""
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import typing as t
import httpx
from flask import Flask, render_template_string
from test_site import create_app
TEST_SERVER: str = "https://testserver"
"""The test server URI."""
def create_test_app() -> Flask:
"""Creates and returns the testing Flask application.
:return: The testing Flask application.
"""
app: Flask = create_app(is_testing=True)
@app.get("/.csrf-token")
def get_csrf_token_view() -> str:
"""The test view to return the CSRF token."""
return render_template_string("{{csrf_token()}}")
return app
def get_csrf_token(client: httpx.Client) -> str:
"""Returns the CSRF token.
:param client: The httpx client.
:return: The CSRF token.
"""
return client.get("/.csrf-token").text
def get_client(app: Flask, username: str) -> tuple[httpx.Client, str]:
"""Returns a user client.
:param app: The Flask application.
:param username: The username.
:return: A tuple of the client and the CSRF token.
"""
client: httpx.Client = httpx.Client(app=app, base_url=TEST_SERVER)
client.headers["Referer"] = TEST_SERVER
csrf_token: str = get_csrf_token(client)
response: httpx.Response = client.post("/login",
data={"csrf_token": csrf_token,
"username": username})
assert response.status_code == 302
assert response.headers["Location"] == "/"
return client, csrf_token
def set_locale(client: httpx.Client, csrf_token: str,
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locale: t.Literal["en", "zh_Hant", "zh_Hans"]) -> None:
"""Sets the current locale.
:param client: The test client.
:param csrf_token: The CSRF token.
:param locale: The locale.
:return: None.
"""
response: httpx.Response = client.post("/locale",
data={"csrf_token": csrf_token,
"locale": locale,
"next": "/next"})
assert response.status_code == 302
assert response.headers["Location"] == "/next"