Generate image in get_image_from_mock_server instead of using a stati…

…c file

Dockerfile

@@ -51,8 +51,6 @@ WORKDIR /app_install
 ADD requirements_dev.txt requirements_dev.txt
 RUN pip install -r requirements_dev.txt
 
-RUN mkdir -p /static && chown datapunt /static
-
 WORKDIR /src
 USER datapunt
 

docker-compose.yml

@@ -53,8 +53,6 @@ services:
       USE_JWKS_TEST_KEY: 'true'
       MOCK_GET_IMAGE_FROM_SERVER: 'true'
       METADATA_SERVER_BASE_URL: 'http://metadata-server:8000'
-    volumes:
-    - ./static:/static
     command: python manage.py runserver 0.0.0.0:8000
 
   test:

src/iiif/image_server.py

@@ -1,9 +1,11 @@
 import logging
 import re
+from io import BytesIO
 
 import requests
 from django.conf import settings
 from django.http import HttpResponse
+from PIL import Image
 from requests.exceptions import RequestException
 
 from main.utils import ImmediateHttpResponse
@@ -41,13 +43,19 @@ def create_file_url_and_headers(url_info, metadata):
         return iiif_image_url, {"Authorization": settings.WABO_AUTHORIZATION}
 
 
+def create_mock_image(format):
+    img = Image.new("RGB", (32, 32), color="green")
+    buf = BytesIO()
+    img.save(buf, format=format)
+    return buf.getvalue()
+
+
 # For develop/test environments where we don't have access to the upstream server
 def get_image_from_mock_server():
     response = requests.Response()
     response.status_code = 200
-    with open(settings.STATIC_IMAGE, "rb") as f:
-        response._content = f.read()
-    response.headers["Content-Type"] = "image/png"
+    response.headers["Content-Type"] = "image/jpeg"
+    response._content = create_mock_image("JPEG")
     return response