Added error logging to {detected_text} processing, #499

tests/test_template.py

@@ -1,4 +1,5 @@
 """ Test template.py """
+import json
 import os
 import re
 
@@ -7,6 +8,7 @@ from photoinfo_mock import PhotoInfoMock
 
 import osxphotos
 from osxphotos.exiftool import get_exiftool_path
+from osxphotos.export_db import ExportDBInMemory
 from osxphotos.phototemplate import (
     TEMPLATE_SUBSTITUTIONS,
     TEMPLATE_SUBSTITUTIONS_MULTI_VALUED,
@@ -1177,3 +1179,13 @@ def test_detected_text(photosdb):
     for template, value in TEMPLATE_VALUES_DETECTED_TEXT.items():
         rendered, _ = photo.render_template(template)
         assert value in "".join(rendered)
+
+
+def test_detected_text_caching(photosdb):
+    """Test {detected_text} template caches values"""
+    exportdb = ExportDBInMemory(None)
+    exportdb.set_detected_text_for_uuid(UUID_DETECTED_TEXT, json.dumps([["foo", 0.9]]))
+    photo = photosdb.get_photo(UUID_DETECTED_TEXT)
+    options = RenderOptions(exportdb=exportdb)
+    rendered, _ = photo.render_template("{detected_text}", options=options)
+    assert rendered[0] == "foo"