def setUp(self):
self.image_path = (
os.path.join(
os.path.dirname(__file__),
'testing/test.png'))
self.image = SimpleUploadedFile(
'test.png',
open(self.image_path).read(),
'image/png')
self.temp_image = TempImage(
original=self.image, content_type=self.image.content_type)
self.temp_image.save()
self.widget = FileUploadsImageWidget()
class FileUploadsImageWidgetTest(TestCase):
widget_name = 'test-widget'
widget_id = 'id_%s' % widget_name
expected = u'<div class="image">' \
+ '<a class="add" data-target="#modal-upload" href="#" ' \
+ 'data-source="%(uploader_url)s" data-toggle="modal" ' \
+ 'data-upload="%(uploader_upload_url)s" >' \
+ '<img src="%(img_src)s" /></a>' \
+ '<input type="hidden" id="%(widget_id)s" name="%(widget_id)s" ' \
+ 'value="%(value)s" /></div>' \
+ '<noscript><input type="file" name="%(widget_name)s" ' \
+ 'id="%(widget_id)s" /></noscript>'
defaults = {
'uploader_upload_url': reverse('file-uploader-upload'),
'uploader_url': reverse('file-uploader'),
'widget_name': widget_name,
'widget_id': widget_id}
def setUp(self):
self.image_path = (
os.path.join(
os.path.dirname(__file__),
'testing/test.png'))
self.image = SimpleUploadedFile(
'test.png',
open(self.image_path).read(),
'image/png')
self.temp_image = TempImage(
original=self.image, content_type=self.image.content_type)
self.temp_image.save()
self.widget = FileUploadsImageWidget()
def tearDown(self):
self.temp_image.delete()
def test_value_from_datadict(self):
"""
when the form is submitted the submitted filename should be transformed
into the associated temp image
"""
data = {'id_%s' % self.widget_name: self.temp_image.original.name}
files = []
result = self.widget.value_from_datadict(data, files, self.widget_name)
self.assertEquals(result.size, self.image.size)
self.assertEquals(result.content_type, self.image.content_type)
def test_render_empty(self):
"""
this test renders the widget without any
associated images temporary or otherwise
"""
value = ''
result = self.widget.render(
self.widget_name, value,
{'id': self.widget_id})
values = self.defaults.copy()
values.update(
{'value': '/static/file_uploads/images/question.small.gif',
'img_src': '/static/file_uploads/images/question.small.gif'})
self.assertEquals(result, self.expected % values)
def test_render_uploaded(self):
"""
this test simulates the situation where the form is re-rendered,
perhaps due to error and the widget must show the
*temp* image that has already been uploaded
"""
data = {'id_%s' % self.widget_name: self.temp_image.original.name}
files = []
value = self.widget.value_from_datadict(data, files, self.widget_name)
result = self.widget.render(
self.widget_name, value,
{'id': self.widget_id})
values = self.defaults.copy()
values.update(
{'value': self.temp_image.original.name,
'img_src': self.temp_image.original.name})
self.assertEquals(result, self.expected % values)
def test_render_existing(self):
"""
In this case there is an image associated with the dummy obj.
When the widget is rendered it should show the *saved* image
"""
dummy = TestDummy()
dummy.save()
dummy_image = TestDummyImage(dummy=dummy, image=self.image)
dummy_image.save()
result = self.widget.render(
self.widget_name, dummy_image.image,
{'id': 'id_%s' % self.widget_name})
values = self.defaults.copy()
values.update(
{'value': dummy_image.pk,
'img_src': dummy_image.image.name})
self.assertEquals(result, self.expected % values)
