Make pillow a dependency (required for django's ImageField)

Author: SmileyChris

pyproject.toml

@@ -9,6 +9,7 @@ dependencies = [
     "django-stubs-ext>=4.2.7",
     "pyvips>=2.2.2",
     "tqdm>=4.66.2",
+    "pillow",
 ]
 requires-python = ">=3.8"
 readme = "README.md"
@@ -57,4 +58,4 @@ pythonpath = "."
 addopts = "--cov=easy_images --cov-report=term-missing"
 
 [dependency-groups]
-dev = ["pillow", "mkdocs>=1.6.1", "pytest-cov>=5.0.0", "pytest-django>=4.11.0"]
+dev = ["mkdocs>=1.6.1", "pytest-cov>=5.0.0", "pytest-django>=4.11.0"]

tests/easy_images_tests/models.py

@@ -3,7 +3,7 @@
 
 class Profile(models.Model):
     name = models.CharField(max_length=100)
-    image = models.FileField(upload_to="profile-images/")
+    image = models.ImageField(upload_to="profile-images/")
     second_image = models.FileField(upload_to="profile-images/", null=True, blank=True)
 
     def __str__(self):

tests/test_signals.py

@@ -137,3 +137,24 @@ def test_queued_img_signal(profile_queue_img):
     )
     # .queue is triggered, which triggers the queued_img signal
     assert handler.called
+
+
+@pytest.mark.django_db
+def test_imagefield_signal_trigger(profile_queue_img):
+    """Test that saving a model with an ImageField triggers the queue signal."""
+    # img and queue setup is handled by the fixture
+
+    handler = MagicMock()
+    queued_img.connect(handler)
+
+    # Use a minimal valid image content
+    content = pyvips.Image.black(10, 10).write_to_buffer(".jpg")
+    Profile.objects.create(
+        name="ImageField Test",
+        image=SimpleUploadedFile(name="test_img.jpg", content=content),
+    )
+
+    # Assert the signal was called, indicating queuing happened for ImageField
+    assert handler.called
+    # Assert no objects were actually created in DB yet due to lazy loading (default behavior)
+    assert EasyImage.objects.count() == 0