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Fix test_render_image_region_tile_params_big_image #6469

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Fix test_render_image_region_tile_params_big_image #6469

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2607cba
Fix test_render_image_region_tile_params_big_image
pwalczysko Jul 21, 2026
2c9d227
flake8
pwalczysko Jul 21, 2026
ace2e3f
Try to fix the other 2 failing tests with the wait_until_renderable m…
pwalczysko Jul 21, 2026
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39 changes: 39 additions & 0 deletions components/tools/OmeroWeb/test/integration/test_rendering.py
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,8 @@
import json
import omero
import omero.clients
import time
import pytest

from omeroweb.testlib import IWebTest
from omeroweb.testlib import post, get
Expand Down Expand Up @@ -452,13 +454,39 @@ def test_render_image_region_tile_params_invalid_resolution(self):
finally:
self.assert_no_leaked_rendering_engines()

def wait_until_renderable(self, image_id, timeout=60):
django_client = self.new_django_client_from_session_id(
self.client.getSessionId()
)

request_url = reverse(
"webgateway_render_image_region",
kwargs={"iid": str(image_id), "z": "0", "t": "0"},
)

deadline = time.time() + timeout
while time.time() < deadline:
response = django_client.get(
request_url,
{"tile": "0,0,0,512,512"},
)
if response.status_code == 200:
return

time.sleep(1)

pytest.fail("Timed out waiting for image to become renderable")

def test_render_image_region_tile_params_big_image(self, tmpdir):
"""
Tests the retrieval of pyramid image at different
resolution. Resolution changes is supported in that case.
"""
image_id = self.import_pyramid(tmpdir, client=self.client)

# Wait until the pyramid is renderable
self.wait_until_renderable(image_id)

request_url = reverse(
'webgateway_render_image_region',
kwargs={'iid': str(image_id), 'z': '0', 't': '0'}
Expand All @@ -470,6 +498,12 @@ def test_render_image_region_tile_params_big_image(self, tmpdir):
try:
data['tile'] = '0,0,0,512,512'
response = get(django_client, request_url, data)

if response.status_code != 200:
print(response.status_code)
print(response.content.decode(errors="replace"))

assert response.status_code == 200
tile_content = response.content
tile = Image.open(BytesIO(tile_content))
assert tile.size == (512, 512)
Expand Down Expand Up @@ -518,6 +552,9 @@ def test_render_image_region_region_params_big_image(self, tmpdir):
"""
image_id = self.import_pyramid(tmpdir, client=self.client)

# Wait until the pyramid is renderable
self.wait_until_renderable(image_id)

request_url = reverse(
'webgateway_render_image_region',
kwargs={'iid': str(image_id), 'z': '0', 't': '0'}
Expand Down Expand Up @@ -564,6 +601,8 @@ def test_render_image_region_big_image_resolution(self, tmpdir):
resolution. Resolution changes is supported in that case.
"""
image_id = self.import_pyramid(tmpdir, client=self.client)
# Wait until the pyramid is renderable
self.wait_until_renderable(image_id)
conn = omero.gateway.BlitzGateway(client_obj=self.client)
image = conn.getObject("Image", image_id)
image._prepareRenderingEngine()
Expand Down
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