92 lines
3.2 KiB
Python
92 lines
3.2 KiB
Python
# The Mia! Accounting Flask Project.
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# Author: imacat@mail.imacat.idv.tw (imacat), 2023/1/27
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# Copyright (c) 2023 imacat.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""The common test libraries.
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"""
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import typing as t
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from html.parser import HTMLParser
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import httpx
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from flask import Flask
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def get_client(app: Flask, username: str) -> tuple[httpx.Client, str]:
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"""Returns a user client.
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:param app: The Flask application.
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:param username: The username.
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:return: A tuple of the client and the CSRF token.
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"""
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client: httpx.Client = httpx.Client(app=app, base_url="https://testserver")
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client.headers["Referer"] = "https://testserver"
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csrf_token: str = get_csrf_token(client, "/login")
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response: httpx.Response = client.post("/login",
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data={"csrf_token": csrf_token,
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"username": username})
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assert response.status_code == 302
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assert response.headers["Location"] == "/"
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return client, csrf_token
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def get_csrf_token(client: httpx.Client, uri: str) -> str:
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"""Returns the CSRF token from a form in a URI.
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:param client: The httpx client.
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:param uri: The URI.
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:return: The CSRF token.
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"""
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class CsrfParser(HTMLParser):
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"""The CSRF token parser."""
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def __init__(self):
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"""Constructs the CSRF token parser."""
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super().__init__()
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self.csrf_token: str | None = None
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"""The CSRF token."""
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def handle_starttag(self, tag: str,
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attrs: list[tuple[str, str | None]]) -> None:
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"""Handles when a start tag is found."""
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attrs_dict: dict[str, str] = dict(attrs)
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if attrs_dict.get("name") == "csrf_token":
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self.csrf_token = attrs_dict["value"]
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response: httpx.Response = client.get(uri)
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assert response.status_code == 200
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parser: CsrfParser = CsrfParser()
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parser.feed(response.text)
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assert parser.csrf_token is not None
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return parser.csrf_token
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def set_locale(client: httpx.Client, csrf_token: str,
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locale: t.Literal["en", "zh_Hant", "zh_Hans"]) -> None:
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"""Sets the current locale.
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:param client: The test client.
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:param csrf_token: The CSRF token.
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:param locale: The locale.
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:return: None.
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"""
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response: httpx.Response = client.post("/locale",
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data={"csrf_token": csrf_token,
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"locale": locale,
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"next": "/next"})
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assert response.status_code == 302
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assert response.headers["Location"] == "/next"
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