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import os
from datetime import datetime, timedelta
from pathlib import Path
from time import mktime
from wsgiref.handlers import format_date_time
import httpx
import pytest
from httpcore import Request
import hishel
from hishel._utils import generate_key
date_header = format_date_time(mktime((datetime.now() - timedelta(hours=2)).timetuple()))
def test_client_301():
with hishel.MockTransport() as transport:
transport.add_responses([httpx.Response(301, headers=[(b"Location", b"https://example.com")])])
with hishel.CacheClient(transport=transport, storage=hishel.InMemoryStorage()) as client:
client.request(
"GET",
"https://www.example.com",
)
response = client.request(
"GET",
"https://www.example.com",
)
assert response.extensions["from_cache"]
def test_empty_cachefile_handling(use_temp_dir):
with hishel.MockTransport() as transport:
transport.add_responses(
[
httpx.Response(
status_code=200,
headers=[
("Cache-Control", "public, max-age=86400, s-maxage=86400"),
("Date", date_header),
],
text="test",
)
for _ in range(2)
]
)
with hishel.CacheClient(storage=hishel.FileStorage(), transport=transport) as client:
request = Request(b"GET", "https://example.com/")
key = generate_key(request)
filedir = Path(os.getcwd() + "/.cache/hishel/" + key)
client.get("https://example.com/")
response = client.get("https://example.com/")
assert response.status_code == 200
assert response.text == "test"
assert response.extensions["from_cache"]
with open(filedir, "w+", encoding="utf-8") as file:
file.truncate(0)
assert os.path.getsize(filedir) == 0
response = client.get("https://example.com/")
assert response.status_code == 200
assert response.text == "test"
assert response.extensions["from_cache"] is False
response = client.get("https://example.com/")
assert response.extensions["from_cache"]
def test_post_caching():
with hishel.MockTransport() as transport:
transport.add_responses(
[
httpx.Response(
status_code=200,
headers=[
("Cache-Control", "public, max-age=86400, s-maxage=86400"),
("Date", date_header),
],
text=f"test-{idx}",
)
for idx in range(2)
]
)
with hishel.CacheClient(
storage=hishel.InMemoryStorage(),
transport=transport,
controller=hishel.Controller(cacheable_methods=["POST"]),
) as client:
# Create cache file.
response = client.post("https://example.com", json={"test": 1})
assert response.status_code == 200
assert not response.extensions["from_cache"]
assert response.text == "test-0"
# Get from cache file.
response = client.post("https://example.com", json={"test": 1})
assert response.status_code == 200
assert response.extensions["from_cache"]
assert response.text == "test-0"
# Create a new cache file
response = client.post("https://example.com", json={"test": 2})
assert response.status_code == 200
assert not response.extensions["from_cache"]
assert response.text == "test-1"
# Take second response from cache
response = client.post("https://example.com", json={"test": 2})
assert response.status_code == 200
assert response.extensions["from_cache"]
assert response.text == "test-1"
# Check on first response
response = client.post("https://example.com", json={"test": 1})
assert response.status_code == 200
assert response.extensions["from_cache"]
assert response.text == "test-0"
def test_client_get():
with hishel.MockTransport() as transport:
transport.add_responses(
[
httpx.Response(
status_code=200,
headers=[
("Cache-Control", "public, max-age=86400, s-maxage=86400"),
("Date", date_header),
],
text="test text",
)
]
)
with hishel.CacheClient(storage=hishel.InMemoryStorage(), transport=transport) as client:
response = client.get("https://example.com")
assert response.status_code == 200
assert not response.extensions["from_cache"]
assert response.text == "test text"
response = client.get("https://example.com")
assert response.status_code == 200
assert response.extensions["from_cache"]
assert response.text == "test text"
def test_client_head():
with hishel.MockTransport() as transport:
transport.add_responses(
[
httpx.Response(
status_code=200,
headers=[
("Cache-Control", "public, max-age=86400, s-maxage=86400"),
("Date", date_header),
],
)
for _ in range(2)
]
)
with hishel.CacheClient(storage=hishel.InMemoryStorage(), transport=transport) as client:
response = client.head("https://example.com")
assert response.status_code == 200
assert not response.extensions["from_cache"]
response = client.head("https://example.com")
assert response.status_code == 200
assert not response.extensions["from_cache"]
def test_force_cache():
with hishel.MockTransport() as transport:
transport.add_responses(
[
httpx.Response(
status_code=200,
headers=[
("Cache-Control", "no-store"),
("Date", date_header),
],
)
for _ in range(3)
]
)
with hishel.CacheClient(
storage=hishel.InMemoryStorage(),
controller=hishel.Controller(cacheable_methods=["HEAD"]),
transport=transport,
) as client:
response = client.head("https://example.com")
assert response.status_code == 200
assert not response.extensions["from_cache"]
# Check that "no-store" is respected
response = client.head("https://example.com")
assert response.status_code == 200
assert not response.extensions["from_cache"]
response = client.head("https://example.com", extensions={"force_cache": True})
assert response.status_code == 200
assert not response.extensions["from_cache"]
response = client.head("https://example.com", extensions={"force_cache": True})
assert response.status_code == 200
assert response.extensions["from_cache"]
def test_cache_disabled():
with hishel.MockTransport() as transport:
transport.add_responses(
[
httpx.Response(
status_code=200,
headers=[
("Cache-Control", "public, max-age=86400, s-maxage=86400"),
("Date", date_header),
],
)
for _ in range(2)
]
)
with hishel.CacheClient(storage=hishel.InMemoryStorage(), transport=transport) as client:
response = client.get(
"https://www.example.com/cacheable-endpoint", extensions={"cache_disabled": True}
)
assert response.status_code == 200
assert not response.extensions["from_cache"]
response = client.get(
"https://www.example.com/cacheable-endpoint", extensions={"cache_disabled": True}
)
assert response.status_code == 200
assert not response.extensions["from_cache"]
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