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test_fastapi.py
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import json
import re
from time import time
from urllib.parse import quote
from fastapi import FastAPI
from slack_sdk.signature import SignatureVerifier
from slack_sdk.web import WebClient
from starlette.requests import Request
from starlette.testclient import TestClient
from slack_bolt.adapter.fastapi import SlackRequestHandler
from slack_bolt.app import App
from slack_bolt.oauth.oauth_settings import OAuthSettings
from tests.mock_web_api_server import (
setup_mock_web_api_server,
cleanup_mock_web_api_server,
)
from tests.utils import remove_os_env_temporarily, restore_os_env
class TestFastAPI:
signing_secret = "secret"
valid_token = "xoxb-valid"
mock_api_server_base_url = "http://localhost:8888"
signature_verifier = SignatureVerifier(signing_secret)
web_client = WebClient(token=valid_token, base_url=mock_api_server_base_url,)
def setup_method(self):
self.old_os_env = remove_os_env_temporarily()
setup_mock_web_api_server(self)
def teardown_method(self):
cleanup_mock_web_api_server(self)
restore_os_env(self.old_os_env)
def generate_signature(self, body: str, timestamp: str):
return self.signature_verifier.generate_signature(
body=body, timestamp=timestamp,
)
def build_headers(self, timestamp: str, body: str):
content_type = (
"application/json"
if body.startswith("{")
else "application/x-www-form-urlencoded"
)
return {
"content-type": content_type,
"x-slack-signature": self.generate_signature(body, timestamp),
"x-slack-request-timestamp": timestamp,
}
def test_events(self):
app = App(client=self.web_client, signing_secret=self.signing_secret,)
def event_handler():
pass
app.event("app_mention")(event_handler)
input = {
"token": "verification_token",
"team_id": "T111",
"enterprise_id": "E111",
"api_app_id": "A111",
"event": {
"client_msg_id": "9cbd4c5b-7ddf-4ede-b479-ad21fca66d63",
"type": "app_mention",
"text": "<@W111> Hi there!",
"user": "W222",
"ts": "1595926230.009600",
"team": "T111",
"channel": "C111",
"event_ts": "1595926230.009600",
},
"type": "event_callback",
"event_id": "Ev111",
"event_time": 1595926230,
"authed_users": ["W111"],
}
timestamp, body = str(int(time())), json.dumps(input)
api = FastAPI()
app_handler = SlackRequestHandler(app)
@api.post("/slack/events")
async def endpoint(req: Request):
return await app_handler.handle(req)
client = TestClient(api)
response = client.post(
"/slack/events", data=body, headers=self.build_headers(timestamp, body),
)
assert response.status_code == 200
assert self.mock_received_requests["/auth.test"] == 1
def test_shortcuts(self):
app = App(client=self.web_client, signing_secret=self.signing_secret,)
def shortcut_handler(ack):
ack()
app.shortcut("test-shortcut")(shortcut_handler)
input = {
"type": "shortcut",
"token": "verification_token",
"action_ts": "111.111",
"team": {
"id": "T111",
"domain": "workspace-domain",
"enterprise_id": "E111",
"enterprise_name": "Org Name",
},
"user": {"id": "W111", "username": "primary-owner", "team_id": "T111"},
"callback_id": "test-shortcut",
"trigger_id": "111.111.xxxxxx",
}
timestamp, body = str(int(time())), f"payload={quote(json.dumps(input))}"
api = FastAPI()
app_handler = SlackRequestHandler(app)
@api.post("/slack/events")
async def endpoint(req: Request):
return await app_handler.handle(req)
client = TestClient(api)
response = client.post(
"/slack/events", data=body, headers=self.build_headers(timestamp, body),
)
assert response.status_code == 200
assert self.mock_received_requests["/auth.test"] == 1
def test_commands(self):
app = App(client=self.web_client, signing_secret=self.signing_secret,)
def command_handler(ack):
ack()
app.command("/hello-world")(command_handler)
input = (
"token=verification_token"
"&team_id=T111"
"&team_domain=test-domain"
"&channel_id=C111"
"&channel_name=random"
"&user_id=W111"
"&user_name=primary-owner"
"&command=%2Fhello-world"
"&text=Hi"
"&enterprise_id=E111"
"&enterprise_name=Org+Name"
"&response_url=https%3A%2F%2Fhooks.slack.com%2Fcommands%2FT111%2F111%2Fxxxxx"
"&trigger_id=111.111.xxx"
)
timestamp, body = str(int(time())), input
api = FastAPI()
app_handler = SlackRequestHandler(app)
@api.post("/slack/events")
async def endpoint(req: Request):
return await app_handler.handle(req)
client = TestClient(api)
response = client.post(
"/slack/events", data=body, headers=self.build_headers(timestamp, body),
)
assert response.status_code == 200
assert self.mock_received_requests["/auth.test"] == 1
def test_oauth(self):
app = App(
client=self.web_client,
signing_secret=self.signing_secret,
oauth_settings=OAuthSettings(
client_id="111.111",
client_secret="xxx",
scopes=["chat:write", "commands"],
),
)
api = FastAPI()
app_handler = SlackRequestHandler(app)
@api.get("/slack/install")
async def endpoint(req: Request):
return await app_handler.handle(req)
client = TestClient(api)
response = client.get("/slack/install", allow_redirects=False)
assert response.status_code == 302
assert re.match(
"https://slack.com/oauth/v2/authorize\\?state=[^&]+&client_id=111.111&scope=chat:write,commands&user_scope=",
response.headers["Location"],
)