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test_staticfiles.py
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test_staticfiles.py
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import os
import pathlib
import stat
import time
import anyio
import pytest
from starlette.applications import Starlette
from starlette.exceptions import HTTPException
from starlette.middleware import Middleware
from starlette.middleware.base import BaseHTTPMiddleware
from starlette.requests import Request
from starlette.routing import Mount
from starlette.staticfiles import StaticFiles
def test_staticfiles(tmpdir, test_client_factory):
path = os.path.join(tmpdir, "example.txt")
with open(path, "w") as file:
file.write("<file content>")
app = StaticFiles(directory=tmpdir)
client = test_client_factory(app)
response = client.get("/example.txt")
assert response.status_code == 200
assert response.text == "<file content>"
def test_staticfiles_with_pathlib(tmpdir, test_client_factory):
base_dir = pathlib.Path(tmpdir)
path = base_dir / "example.txt"
with open(path, "w") as file:
file.write("<file content>")
app = StaticFiles(directory=base_dir)
client = test_client_factory(app)
response = client.get("/example.txt")
assert response.status_code == 200
assert response.text == "<file content>"
def test_staticfiles_head_with_middleware(tmpdir, test_client_factory):
"""
see https://github.com/encode/starlette/pull/935
"""
path = os.path.join(tmpdir, "example.txt")
with open(path, "w") as file:
file.write("x" * 100)
async def does_nothing_middleware(request: Request, call_next):
response = await call_next(request)
return response
routes = [Mount("/static", app=StaticFiles(directory=tmpdir), name="static")]
middleware = [Middleware(BaseHTTPMiddleware, dispatch=does_nothing_middleware)]
app = Starlette(routes=routes, middleware=middleware)
client = test_client_factory(app)
response = client.head("/static/example.txt")
assert response.status_code == 200
assert response.headers.get("content-length") == "100"
def test_staticfiles_with_package(test_client_factory):
app = StaticFiles(packages=["tests"])
client = test_client_factory(app)
response = client.get("/example.txt")
assert response.status_code == 200
assert response.text == "123\n"
app = StaticFiles(packages=[("tests", "statics")])
client = test_client_factory(app)
response = client.get("/example.txt")
assert response.status_code == 200
assert response.text == "123\n"
def test_staticfiles_post(tmpdir, test_client_factory):
path = os.path.join(tmpdir, "example.txt")
with open(path, "w") as file:
file.write("<file content>")
routes = [Mount("/", app=StaticFiles(directory=tmpdir), name="static")]
app = Starlette(routes=routes)
client = test_client_factory(app)
response = client.post("/example.txt")
assert response.status_code == 405
assert response.text == "Method Not Allowed"
def test_staticfiles_with_directory_returns_404(tmpdir, test_client_factory):
path = os.path.join(tmpdir, "example.txt")
with open(path, "w") as file:
file.write("<file content>")
routes = [Mount("/", app=StaticFiles(directory=tmpdir), name="static")]
app = Starlette(routes=routes)
client = test_client_factory(app)
response = client.get("/")
assert response.status_code == 404
assert response.text == "Not Found"
def test_staticfiles_with_missing_file_returns_404(tmpdir, test_client_factory):
path = os.path.join(tmpdir, "example.txt")
with open(path, "w") as file:
file.write("<file content>")
routes = [Mount("/", app=StaticFiles(directory=tmpdir), name="static")]
app = Starlette(routes=routes)
client = test_client_factory(app)
response = client.get("/404.txt")
assert response.status_code == 404
assert response.text == "Not Found"
def test_staticfiles_instantiated_with_missing_directory(tmpdir):
with pytest.raises(RuntimeError) as exc_info:
path = os.path.join(tmpdir, "no_such_directory")
StaticFiles(directory=path)
assert "does not exist" in str(exc_info.value)
def test_staticfiles_configured_with_missing_directory(tmpdir, test_client_factory):
path = os.path.join(tmpdir, "no_such_directory")
app = StaticFiles(directory=path, check_dir=False)
client = test_client_factory(app)
with pytest.raises(RuntimeError) as exc_info:
client.get("/example.txt")
assert "does not exist" in str(exc_info.value)
def test_staticfiles_configured_with_file_instead_of_directory(
tmpdir, test_client_factory
):
path = os.path.join(tmpdir, "example.txt")
with open(path, "w") as file:
file.write("<file content>")
app = StaticFiles(directory=path, check_dir=False)
client = test_client_factory(app)
with pytest.raises(RuntimeError) as exc_info:
client.get("/example.txt")
assert "is not a directory" in str(exc_info.value)
def test_staticfiles_config_check_occurs_only_once(tmpdir, test_client_factory):
app = StaticFiles(directory=tmpdir)
client = test_client_factory(app)
assert not app.config_checked
with pytest.raises(HTTPException):
client.get("/")
assert app.config_checked
with pytest.raises(HTTPException):
client.get("/")
def test_staticfiles_prevents_breaking_out_of_directory(tmpdir):
directory = os.path.join(tmpdir, "foo")
os.mkdir(directory)
file_path = os.path.join(tmpdir, "example.txt")
with open(file_path, "w") as file:
file.write("outside root dir")
app = StaticFiles(directory=directory)
# We can't test this with 'requests', so we test the app directly here.
path = app.get_path({"path": "/../example.txt"})
scope = {"method": "GET"}
with pytest.raises(HTTPException) as exc_info:
anyio.run(app.get_response, path, scope)
assert exc_info.value.status_code == 404
assert exc_info.value.detail == "Not Found"
def test_staticfiles_never_read_file_for_head_method(tmpdir, test_client_factory):
path = os.path.join(tmpdir, "example.txt")
with open(path, "w") as file:
file.write("<file content>")
app = StaticFiles(directory=tmpdir)
client = test_client_factory(app)
response = client.head("/example.txt")
assert response.status_code == 200
assert response.content == b""
assert response.headers["content-length"] == "14"
def test_staticfiles_304_with_etag_match(tmpdir, test_client_factory):
path = os.path.join(tmpdir, "example.txt")
with open(path, "w") as file:
file.write("<file content>")
app = StaticFiles(directory=tmpdir)
client = test_client_factory(app)
first_resp = client.get("/example.txt")
assert first_resp.status_code == 200
last_etag = first_resp.headers["etag"]
second_resp = client.get("/example.txt", headers={"if-none-match": last_etag})
assert second_resp.status_code == 304
assert second_resp.content == b""
def test_staticfiles_304_with_last_modified_compare_last_req(
tmpdir, test_client_factory
):
path = os.path.join(tmpdir, "example.txt")
file_last_modified_time = time.mktime(
time.strptime("2013-10-10 23:40:00", "%Y-%m-%d %H:%M:%S")
)
with open(path, "w") as file:
file.write("<file content>")
os.utime(path, (file_last_modified_time, file_last_modified_time))
app = StaticFiles(directory=tmpdir)
client = test_client_factory(app)
# last modified less than last request, 304
response = client.get(
"/example.txt", headers={"If-Modified-Since": "Thu, 11 Oct 2013 15:30:19 GMT"}
)
assert response.status_code == 304
assert response.content == b""
# last modified greater than last request, 200 with content
response = client.get(
"/example.txt", headers={"If-Modified-Since": "Thu, 20 Feb 2012 15:30:19 GMT"}
)
assert response.status_code == 200
assert response.content == b"<file content>"
def test_staticfiles_html_normal(tmpdir, test_client_factory):
path = os.path.join(tmpdir, "404.html")
with open(path, "w") as file:
file.write("<h1>Custom not found page</h1>")
path = os.path.join(tmpdir, "dir")
os.mkdir(path)
path = os.path.join(path, "index.html")
with open(path, "w") as file:
file.write("<h1>Hello</h1>")
app = StaticFiles(directory=tmpdir, html=True)
client = test_client_factory(app)
response = client.get("/dir/")
assert response.url == "http://testserver/dir/"
assert response.status_code == 200
assert response.text == "<h1>Hello</h1>"
response = client.get("/dir")
assert response.url == "http://testserver/dir/"
assert response.status_code == 200
assert response.text == "<h1>Hello</h1>"
response = client.get("/dir/index.html")
assert response.url == "http://testserver/dir/index.html"
assert response.status_code == 200
assert response.text == "<h1>Hello</h1>"
response = client.get("/missing")
assert response.status_code == 404
assert response.text == "<h1>Custom not found page</h1>"
def test_staticfiles_html_without_index(tmpdir, test_client_factory):
path = os.path.join(tmpdir, "404.html")
with open(path, "w") as file:
file.write("<h1>Custom not found page</h1>")
path = os.path.join(tmpdir, "dir")
os.mkdir(path)
app = StaticFiles(directory=tmpdir, html=True)
client = test_client_factory(app)
response = client.get("/dir/")
assert response.url == "http://testserver/dir/"
assert response.status_code == 404
assert response.text == "<h1>Custom not found page</h1>"
response = client.get("/dir")
assert response.url == "http://testserver/dir"
assert response.status_code == 404
assert response.text == "<h1>Custom not found page</h1>"
response = client.get("/missing")
assert response.status_code == 404
assert response.text == "<h1>Custom not found page</h1>"
def test_staticfiles_html_without_404(tmpdir, test_client_factory):
path = os.path.join(tmpdir, "dir")
os.mkdir(path)
path = os.path.join(path, "index.html")
with open(path, "w") as file:
file.write("<h1>Hello</h1>")
app = StaticFiles(directory=tmpdir, html=True)
client = test_client_factory(app)
response = client.get("/dir/")
assert response.url == "http://testserver/dir/"
assert response.status_code == 200
assert response.text == "<h1>Hello</h1>"
response = client.get("/dir")
assert response.url == "http://testserver/dir/"
assert response.status_code == 200
assert response.text == "<h1>Hello</h1>"
with pytest.raises(HTTPException) as exc_info:
response = client.get("/missing")
assert exc_info.value.status_code == 404
def test_staticfiles_html_only_files(tmpdir, test_client_factory):
path = os.path.join(tmpdir, "hello.html")
with open(path, "w") as file:
file.write("<h1>Hello</h1>")
app = StaticFiles(directory=tmpdir, html=True)
client = test_client_factory(app)
with pytest.raises(HTTPException) as exc_info:
response = client.get("/")
assert exc_info.value.status_code == 404
response = client.get("/hello.html")
assert response.status_code == 200
assert response.text == "<h1>Hello</h1>"
def test_staticfiles_cache_invalidation_for_deleted_file_html_mode(
tmpdir, test_client_factory
):
path_404 = os.path.join(tmpdir, "404.html")
with open(path_404, "w") as file:
file.write("<p>404 file</p>")
path_some = os.path.join(tmpdir, "some.html")
with open(path_some, "w") as file:
file.write("<p>some file</p>")
common_modified_time = time.mktime(
time.strptime("2013-10-10 23:40:00", "%Y-%m-%d %H:%M:%S")
)
os.utime(path_404, (common_modified_time, common_modified_time))
os.utime(path_some, (common_modified_time, common_modified_time))
app = StaticFiles(directory=tmpdir, html=True)
client = test_client_factory(app)
resp_exists = client.get("/some.html")
assert resp_exists.status_code == 200
assert resp_exists.text == "<p>some file</p>"
resp_cached = client.get(
"/some.html",
headers={"If-Modified-Since": resp_exists.headers["last-modified"]},
)
assert resp_cached.status_code == 304
os.remove(path_some)
resp_deleted = client.get(
"/some.html",
headers={"If-Modified-Since": resp_exists.headers["last-modified"]},
)
assert resp_deleted.status_code == 404
assert resp_deleted.text == "<p>404 file</p>"
def test_staticfiles_with_invalid_dir_permissions_returns_401(
tmpdir, test_client_factory
):
path = os.path.join(tmpdir, "example.txt")
with open(path, "w") as file:
file.write("<file content>")
os.chmod(tmpdir, stat.S_IRWXO)
routes = [Mount("/", app=StaticFiles(directory=tmpdir), name="static")]
app = Starlette(routes=routes)
client = test_client_factory(app)
response = client.get("/example.txt")
assert response.status_code == 401
assert response.text == "Unauthorized"
def test_staticfiles_with_missing_dir_returns_404(tmpdir, test_client_factory):
path = os.path.join(tmpdir, "example.txt")
with open(path, "w") as file:
file.write("<file content>")
routes = [Mount("/", app=StaticFiles(directory=tmpdir), name="static")]
app = Starlette(routes=routes)
client = test_client_factory(app)
response = client.get("/foo/example.txt")
assert response.status_code == 404
assert response.text == "Not Found"
def test_staticfiles_access_file_as_dir_returns_404(tmpdir, test_client_factory):
path = os.path.join(tmpdir, "example.txt")
with open(path, "w") as file:
file.write("<file content>")
routes = [Mount("/", app=StaticFiles(directory=tmpdir), name="static")]
app = Starlette(routes=routes)
client = test_client_factory(app)
response = client.get("/example.txt/foo")
assert response.status_code == 404
assert response.text == "Not Found"
def test_staticfiles_unhandled_os_error_returns_500(
tmpdir, test_client_factory, monkeypatch
):
def mock_timeout(*args, **kwargs):
raise TimeoutError
path = os.path.join(tmpdir, "example.txt")
with open(path, "w") as file:
file.write("<file content>")
routes = [Mount("/", app=StaticFiles(directory=tmpdir), name="static")]
app = Starlette(routes=routes)
client = test_client_factory(app, raise_server_exceptions=False)
monkeypatch.setattr("starlette.staticfiles.StaticFiles.lookup_path", mock_timeout)
response = client.get("/example.txt")
assert response.status_code == 500
assert response.text == "Internal Server Error"
def test_staticfiles_follows_symlinks_to_break_out_of_dir(
tmp_path: pathlib.Path, test_client_factory
):
statics_path = tmp_path.joinpath("statics")
statics_path.mkdir()
symlink_path = tmp_path.joinpath("symlink")
symlink_path.mkdir()
statics_file_path = statics_path.joinpath("index.html")
with open(statics_file_path, "w") as file:
file.write("<h1>Hello</h1>")
symlink_file_path = symlink_path.joinpath("index.html")
symlink_file_path.symlink_to(statics_file_path)
app = StaticFiles(directory=statics_path)
client = test_client_factory(app)
response = client.get("/index.html")
assert response.url == "http://testserver/index.html"
assert response.status_code == 200
assert response.text == "<h1>Hello</h1>"