mirror of
https://github.com/django/django.git
synced 2024-12-23 01:25:58 +00:00
103 lines
3.9 KiB
Python
103 lines
3.9 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" />')
|