import os
import pytest
from starlette.applications import Starlette
from starlette.routing import Route
from starlette.templating import Jinja2Templates
def test_templates(tmpdir, test_client_factory):
path = os.path.join(tmpdir, "index.html")
with open(path, "w") as file:
file.write("Hello, world")
async def homepage(request):
return templates.TemplateResponse("index.html", {"request": request})
app = Starlette(
debug=True,
routes=[Route("/", endpoint=homepage)],
)
templates = Jinja2Templates(directory=str(tmpdir))
client = test_client_factory(app)
response = client.get("/")
assert response.text == "Hello, world"
assert response.template.name == "index.html"
assert set(response.context.keys()) == {"request"}
def test_template_response_requires_request(tmpdir):
templates = Jinja2Templates(str(tmpdir))
with pytest.raises(ValueError):
templates.TemplateResponse("", {})