mirror of
https://github.com/django/django.git
synced 2025-10-31 09:41:08 +00:00
113 lines
4.0 KiB
Python
113 lines
4.0 KiB
Python
import os
|
|
import unittest
|
|
|
|
from django.core.exceptions import ValidationError
|
|
from django.core.files.uploadedfile import SimpleUploadedFile, TemporaryUploadedFile
|
|
from django.forms import ClearableFileInput, FileInput, ImageField, Widget
|
|
from django.test import SimpleTestCase
|
|
|
|
from . import FormFieldAssertionsMixin
|
|
|
|
try:
|
|
from PIL import Image
|
|
except ImportError:
|
|
Image = None
|
|
|
|
|
|
def get_img_path(path):
|
|
return os.path.join(
|
|
os.path.abspath(os.path.join(__file__, "..", "..")), "tests", path
|
|
)
|
|
|
|
|
|
@unittest.skipUnless(Image, "Pillow is required to test ImageField")
|
|
class ImageFieldTest(FormFieldAssertionsMixin, SimpleTestCase):
|
|
def test_imagefield_annotate_with_image_after_clean(self):
|
|
f = ImageField()
|
|
|
|
img_path = get_img_path("filepath_test_files/1x1.png")
|
|
with open(img_path, "rb") as img_file:
|
|
img_data = img_file.read()
|
|
|
|
img_file = SimpleUploadedFile("1x1.png", img_data)
|
|
img_file.content_type = "text/plain"
|
|
|
|
uploaded_file = f.clean(img_file)
|
|
|
|
self.assertEqual("PNG", uploaded_file.image.format)
|
|
self.assertEqual("image/png", uploaded_file.content_type)
|
|
|
|
def test_imagefield_annotate_with_bitmap_image_after_clean(self):
|
|
"""
|
|
This also tests the situation when Pillow doesn't detect the MIME type
|
|
of the image (#24948).
|
|
"""
|
|
from PIL.BmpImagePlugin import BmpImageFile
|
|
|
|
try:
|
|
Image.register_mime(BmpImageFile.format, None)
|
|
f = ImageField()
|
|
img_path = get_img_path("filepath_test_files/1x1.bmp")
|
|
with open(img_path, "rb") as img_file:
|
|
img_data = img_file.read()
|
|
|
|
img_file = SimpleUploadedFile("1x1.bmp", img_data)
|
|
img_file.content_type = "text/plain"
|
|
|
|
uploaded_file = f.clean(img_file)
|
|
|
|
self.assertEqual("BMP", uploaded_file.image.format)
|
|
self.assertIsNone(uploaded_file.content_type)
|
|
finally:
|
|
Image.register_mime(BmpImageFile.format, "image/bmp")
|
|
|
|
def test_file_extension_validation(self):
|
|
f = ImageField()
|
|
img_path = get_img_path("filepath_test_files/1x1.png")
|
|
with open(img_path, "rb") as img_file:
|
|
img_data = img_file.read()
|
|
img_file = SimpleUploadedFile("1x1.txt", img_data)
|
|
with self.assertRaisesMessage(
|
|
ValidationError, "File extension “txt” is not allowed."
|
|
):
|
|
f.clean(img_file)
|
|
|
|
def test_corrupted_image(self):
|
|
f = ImageField()
|
|
img_file = SimpleUploadedFile("not_an_image.jpg", b"not an image")
|
|
msg = (
|
|
"Upload a valid image. The file you uploaded was either not an "
|
|
"image or a corrupted image."
|
|
)
|
|
with self.assertRaisesMessage(ValidationError, msg):
|
|
f.clean(img_file)
|
|
with TemporaryUploadedFile(
|
|
"not_an_image_tmp.png", "text/plain", 1, "utf-8"
|
|
) as tmp_file:
|
|
with self.assertRaisesMessage(ValidationError, msg):
|
|
f.clean(tmp_file)
|
|
|
|
def test_widget_attrs_default_accept(self):
|
|
f = ImageField()
|
|
# Nothing added for non-FileInput widgets.
|
|
self.assertEqual(f.widget_attrs(Widget()), {})
|
|
self.assertEqual(f.widget_attrs(FileInput()), {"accept": "image/*"})
|
|
self.assertEqual(f.widget_attrs(ClearableFileInput()), {"accept": "image/*"})
|
|
self.assertWidgetRendersTo(
|
|
f, '<input type="file" name="f" accept="image/*" required id="id_f" />'
|
|
)
|
|
|
|
def test_widget_attrs_accept_specified(self):
|
|
f = ImageField(widget=FileInput(attrs={"accept": "image/png"}))
|
|
self.assertEqual(f.widget_attrs(f.widget), {})
|
|
self.assertWidgetRendersTo(
|
|
f, '<input type="file" name="f" accept="image/png" required id="id_f" />'
|
|
)
|
|
|
|
def test_widget_attrs_accept_false(self):
|
|
f = ImageField(widget=FileInput(attrs={"accept": False}))
|
|
self.assertEqual(f.widget_attrs(f.widget), {})
|
|
self.assertWidgetRendersTo(
|
|
f, '<input type="file" name="f" required id="id_f" />'
|
|
)
|