add a test to increase code coverage

tests/sample/sigal.conf.py

@@ -16,6 +16,7 @@ files_to_copy = (("../watermark.png", "watermark.png"),)
 plugins = [
     "sigal.plugins.adjust",
     "sigal.plugins.copyright",
+    "sigal.plugins.extended_caching",
     "sigal.plugins.feeds",
     "sigal.plugins.nomedia",
     "sigal.plugins.watermark",

tests/test_extended_caching.py

@@ -8,7 +8,6 @@ CURRENT_DIR = os.path.dirname(__file__)
 
 
 def test_save_cache(settings, tmpdir):
-    settings['plugins'].append('sigal.plugins.extended_caching')
     settings['destination'] = str(tmpdir)
     gal = Gallery(settings, ncpu=1)
     extended_caching.save_cache(gal)
@@ -50,7 +49,6 @@ def test_save_cache(settings, tmpdir):
 
 
 def test_restore_cache(settings, tmpdir):
-    settings['plugins'].append('sigal.plugins.extended_caching')
     settings['destination'] = str(tmpdir)
     gal1 = Gallery(settings, ncpu=1)
     gal2 = Gallery(settings, ncpu=1)
@@ -60,7 +58,6 @@ def test_restore_cache(settings, tmpdir):
 
 
 def test_load_exif(settings, tmpdir):
-    settings['plugins'].append('sigal.plugins.extended_caching')
     settings['destination'] = str(tmpdir)
     gal1 = Gallery(settings, ncpu=1)
     gal1.albums["exifTest"].medias[2].exif = "blafoo"

tests/test_image.py

@@ -12,6 +12,7 @@ from sigal.image import (
     get_exif_data,
     get_exif_tags,
     get_iptc_data,
+    get_image_metadata,
     get_size,
     process_image,
 )
@@ -241,6 +242,13 @@ def test_get_iptc_data(caplog):
         assert ['IPTC Error in'] == [log.message[:13] for log in caplog.records]
 
 
+def test_get_image_metadata_bad(caplog):
+    test_image = 'bad_image.jpg'
+    src_file = os.path.join(CURRENT_DIR, 'sample', test_image)
+    data = get_image_metadata(src_file)
+    assert data == {'exif': {}, 'iptc': {}, 'size': {}}
+
+
 def test_iso_speed_ratings():
     data = {'ISOSpeedRatings': ()}
     simple = get_exif_tags(data)