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tests: Consume streaming responses.

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Fixes warnings like “ResourceWarning: unclosed file <_io.FileIO
name='/srv/zulip/var/044e5d44-87aa-4c43-abbb-28a144fa6654/test-backend/run_1238680/worker_0/test_uploads/files/thumbnail/2/1e/jmUuDhQC8WlaSRCuc0zQyx7D/img.tif/100x75.webp'
mode='rb' closefd=True>” with warnings enabled.

deque(…, 0) is an efficient way to consume an iterator documented at
https://docs.python.org/3/library/itertools.html#itertools-recipes
under consume.

Signed-off-by: Anders Kaseorg <anders@zulip.com>
This commit is contained in:
Anders Kaseorg
2024-07-16 14:53:27 -07:00
committed by Tim Abbott
parent c7281b406f
commit d574200423
3 changed files with 34 additions and 2 deletions
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20
zerver/tests/test_thumbnail.py
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@@ -12,7 +12,12 @@ from django.http.request import MediaType
from django.test import override_settings
from zerver.lib.test_classes import ZulipTestCase
from zerver.lib.test_helpers import get_test_image_file, ratelimit_rule, read_test_image_file
from zerver.lib.test_helpers import (
consume_response,
get_test_image_file,
ratelimit_rule,
read_test_image_file,
)
from zerver.lib.thumbnail import (
BadImageError,
BaseThumbnailFormat,
@@ -503,11 +508,13 @@ class TestThumbnailRetrieval(ZulipTestCase):
response = self.client_get(f"/user_uploads/{path_id}")
self.assertEqual(response.status_code, 200)
self.assertEqual(response.headers["Content-Type"], "image/gif")
consume_response(response)
# Format we don't have
response = self.client_get(f"/user_uploads/thumbnail/{path_id}/1x1.png")
self.assertEqual(response.status_code, 404)
self.assertEqual(response.headers["Content-Type"], "image/png")
consume_response(response)
# Exit the block, triggering the thumbnailing worker
@@ -520,6 +527,7 @@ class TestThumbnailRetrieval(ZulipTestCase):
int(thumbnail_response.headers["Content-Length"]),
int(response.headers["Content-Length"]),
)
consume_response(thumbnail_response)
animated_response = self.client_get(f"/user_uploads/thumbnail/{path_id}/{webp_anim!s}")
self.assertEqual(animated_response.status_code, 200)
@@ -528,11 +536,13 @@ class TestThumbnailRetrieval(ZulipTestCase):
int(thumbnail_response.headers["Content-Length"]),
int(animated_response.headers["Content-Length"]),
)
consume_response(animated_response)
# Invalid thumbnail format
response = self.client_get(f"/user_uploads/thumbnail/{path_id}/bogus")
self.assertEqual(response.status_code, 404)
self.assertEqual(response.headers["Content-Type"], "image/png")
consume_response(response)
# path_id for a non-image
with (
@@ -546,15 +556,18 @@ class TestThumbnailRetrieval(ZulipTestCase):
response = self.client_get(f"/user_uploads/thumbnail/{text_path_id}/{webp_still!s}")
self.assertEqual(response.status_code, 404)
self.assertEqual(response.headers["Content-Type"], "image/png")
consume_response(response)
# Shrink the list of formats, and check that we can still get
# the thumbnails that were generated at the time
with self.mock_formats([webp_still]):
response = self.client_get(f"/user_uploads/thumbnail/{path_id}/{webp_still!s}")
self.assertEqual(response.status_code, 200)
consume_response(response)
response = self.client_get(f"/user_uploads/thumbnail/{path_id}/{webp_anim!s}")
self.assertEqual(response.status_code, 200)
consume_response(response)
# Grow the format list, and check that fetching that new
# format generates all of the missing formats
@@ -569,6 +582,7 @@ class TestThumbnailRetrieval(ZulipTestCase):
small_response = self.client_get(f"/user_uploads/thumbnail/{path_id}/{jpeg_still!s}")
self.assertEqual(small_response.status_code, 200)
self.assertEqual(small_response.headers["Content-Type"], "image/jpeg")
consume_response(small_response)
# This made two thumbnails
self.assertEqual(thumb_mock.call_count, 2)
@@ -576,6 +590,7 @@ class TestThumbnailRetrieval(ZulipTestCase):
big_response = self.client_get(f"/user_uploads/thumbnail/{path_id}/{big_jpeg_still!s}")
self.assertEqual(big_response.status_code, 200)
self.assertEqual(big_response.headers["Content-Type"], "image/jpeg")
consume_response(big_response)
thumb_mock.assert_not_called()
self.assertLess(
@@ -598,6 +613,7 @@ class TestThumbnailRetrieval(ZulipTestCase):
still_response = self.client_get(f"/user_uploads/thumbnail/{path_id}/{webp_still!s}")
self.assertEqual(still_response.status_code, 200)
self.assertEqual(still_response.headers["Content-Type"], "image/webp")
consume_response(still_response)
# We can request -anim -- we didn't render it, but we the
# "closest we rendered" logic kicks in, and we get the
@@ -605,6 +621,7 @@ class TestThumbnailRetrieval(ZulipTestCase):
animated_response = self.client_get(f"/user_uploads/thumbnail/{path_id}/{webp_anim!s}")
self.assertEqual(animated_response.status_code, 200)
self.assertEqual(animated_response.headers["Content-Type"], "image/webp")
consume_response(animated_response)
# Double-check that we don't actually have the animated version, by comparing file sizes
self.assertEqual(
animated_response.headers["Content-Length"],
@@ -614,6 +631,7 @@ class TestThumbnailRetrieval(ZulipTestCase):
response = self.client_get(f"/user_uploads/thumbnail/{path_id}/{jpeg_still!s}")
self.assertEqual(response.status_code, 200)
self.assertEqual(response.headers["Content-Type"], "image/jpeg")
consume_response(response)
def test_closest_format(self) -> None:
self.login_user(self.example_user("hamlet"))