Files
btcprice/tests/test_health.py
T
magnus 6c21f172db
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Show live Bitcoin price in page title
2026-09-15 19:51:55 +02:00

100 lines
3.2 KiB
Python

import httpx
from fastapi.testclient import TestClient
from app import main
class StubAsyncClient:
def __init__(self, response=None, error=None):
self.response = response
self.error = error
self.requested_url = None
self.timeout = None
async def __aenter__(self):
return self
async def __aexit__(self, exc_type, exc, traceback):
return None
async def get(self, url, timeout):
self.requested_url = url
self.timeout = timeout
if self.error:
raise self.error
return self.response
def test_health_is_independent_of_btcdata():
response = TestClient(main.app).get("/api/health")
assert response.status_code == 200
assert response.json() == {"status": "up"}
def test_home_updates_title_from_latest_price():
response = TestClient(main.app).get("/")
assert response.status_code == 200
assert "new MutationObserver(updateTitleFromPrice)" in response.text
assert "document.title = price + ' | BTC Price'" in response.text
def test_price_fragment_exposes_formatted_price_for_title():
html = main.price_json_to_html(
'{"price": 67432.1, "prev_price": 67400, "recorded_at": ""}'
)
assert 'data-title-price="$67.432,10"' in html
assert ">$67.432,10</p>" in html
def test_ready_when_btcdata_is_healthy(monkeypatch):
request = httpx.Request("GET", "http://btcdata.test/api/health")
upstream = httpx.Response(200, request=request)
client = StubAsyncClient(response=upstream)
monkeypatch.setattr(main, "BTCDATA_URL", "http://btcdata.test")
monkeypatch.setattr(main.httpx, "AsyncClient", lambda: client)
response = TestClient(main.app).get("/api/ready")
assert response.status_code == 200
assert response.json() == {"status": "ready"}
assert client.requested_url == "http://btcdata.test/api/health"
assert client.timeout == main.READINESS_TIMEOUT_SECONDS
def test_not_ready_when_btcdata_is_unavailable(monkeypatch):
request = httpx.Request("GET", "http://btcdata.test/api/health")
error = httpx.ConnectError("connection refused", request=request)
client = StubAsyncClient(error=error)
monkeypatch.setattr(main, "BTCDATA_URL", "http://btcdata.test")
monkeypatch.setattr(main.httpx, "AsyncClient", lambda: client)
response = TestClient(main.app).get("/api/ready")
assert response.status_code == 503
assert response.json() == {"status": "not ready"}
assert "btcdata.test" not in response.text
def test_not_ready_when_btcdata_returns_an_error(monkeypatch):
request = httpx.Request("GET", "http://btcdata.test/api/health")
upstream = httpx.Response(503, request=request)
client = StubAsyncClient(response=upstream)
monkeypatch.setattr(main.httpx, "AsyncClient", lambda: client)
response = TestClient(main.app).get("/api/ready")
assert response.status_code == 503
assert response.json() == {"status": "not ready"}
def test_version_endpoint(monkeypatch):
monkeypatch.setattr(main, "APP_VERSION", "abc1234")
response = TestClient(main.app).get("/api/version")
assert response.status_code == 200
assert response.json() == {"version": "abc1234"}