mirror of
https://github.com/django/django.git
synced 2024-12-29 04:26:28 +00:00
fb4c55d9ec
Thanks Moataz Al-Sharida and nawaik for reports. Co-authored-by: Shai Berger <shai@platonix.com> Co-authored-by: nessita <124304+nessita@users.noreply.github.com>
95 lines
3.4 KiB
Python
95 lines
3.4 KiB
Python
from django.core.files.uploadedfile import SimpleUploadedFile
|
|
from django.forms import FileField, FileInput, Form
|
|
from django.utils.datastructures import MultiValueDict
|
|
|
|
from .base import WidgetTest
|
|
|
|
|
|
class FileInputTest(WidgetTest):
|
|
widget = FileInput()
|
|
|
|
def test_render(self):
|
|
"""
|
|
FileInput widgets never render the value attribute. The old value
|
|
isn't useful if a form is updated or an error occurred.
|
|
"""
|
|
self.check_html(
|
|
self.widget,
|
|
"email",
|
|
"test@example.com",
|
|
html='<input type="file" name="email">',
|
|
)
|
|
self.check_html(
|
|
self.widget, "email", "", html='<input type="file" name="email">'
|
|
)
|
|
self.check_html(
|
|
self.widget, "email", None, html='<input type="file" name="email">'
|
|
)
|
|
|
|
def test_value_omitted_from_data(self):
|
|
self.assertIs(self.widget.value_omitted_from_data({}, {}, "field"), True)
|
|
self.assertIs(
|
|
self.widget.value_omitted_from_data({}, {"field": "value"}, "field"), False
|
|
)
|
|
|
|
def test_use_required_attribute(self):
|
|
# False when initial data exists. The file input is left blank by the
|
|
# user to keep the existing, initial value.
|
|
self.assertIs(self.widget.use_required_attribute(None), True)
|
|
self.assertIs(self.widget.use_required_attribute("resume.txt"), False)
|
|
|
|
def test_fieldset(self):
|
|
class TestForm(Form):
|
|
template_name = "forms_tests/use_fieldset.html"
|
|
field = FileField(widget=self.widget)
|
|
|
|
form = TestForm()
|
|
self.assertIs(self.widget.use_fieldset, False)
|
|
self.assertHTMLEqual(
|
|
'<div><label for="id_field">Field:</label><input id="id_field" '
|
|
'name="field" required type="file"></div>',
|
|
form.render(),
|
|
)
|
|
|
|
def test_multiple_error(self):
|
|
msg = "FileInput doesn't support uploading multiple files."
|
|
with self.assertRaisesMessage(ValueError, msg):
|
|
FileInput(attrs={"multiple": True})
|
|
|
|
def test_value_from_datadict_multiple(self):
|
|
class MultipleFileInput(FileInput):
|
|
allow_multiple_selected = True
|
|
|
|
file_1 = SimpleUploadedFile("something1.txt", b"content 1")
|
|
file_2 = SimpleUploadedFile("something2.txt", b"content 2")
|
|
# Uploading multiple files is allowed.
|
|
widget = MultipleFileInput(attrs={"multiple": True})
|
|
value = widget.value_from_datadict(
|
|
data={"name": "Test name"},
|
|
files=MultiValueDict({"myfile": [file_1, file_2]}),
|
|
name="myfile",
|
|
)
|
|
self.assertEqual(value, [file_1, file_2])
|
|
# Uploading multiple files is not allowed.
|
|
widget = FileInput()
|
|
value = widget.value_from_datadict(
|
|
data={"name": "Test name"},
|
|
files=MultiValueDict({"myfile": [file_1, file_2]}),
|
|
name="myfile",
|
|
)
|
|
self.assertEqual(value, file_2)
|
|
|
|
def test_multiple_default(self):
|
|
class MultipleFileInput(FileInput):
|
|
allow_multiple_selected = True
|
|
|
|
tests = [
|
|
(None, True),
|
|
({"class": "myclass"}, True),
|
|
({"multiple": False}, False),
|
|
]
|
|
for attrs, expected in tests:
|
|
with self.subTest(attrs=attrs):
|
|
widget = MultipleFileInput(attrs=attrs)
|
|
self.assertIs(widget.attrs["multiple"], expected)
|