51 lines
1.7 KiB
Python
51 lines
1.7 KiB
Python
from django.forms import FileField, FileInput, Form
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from .base import WidgetTest
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class FileInputTest(WidgetTest):
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widget = FileInput()
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def test_render(self):
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"""
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FileInput widgets never render the value attribute. The old value
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isn't useful if a form is updated or an error occurred.
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"""
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self.check_html(
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self.widget,
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"email",
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"test@example.com",
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html='<input type="file" name="email">',
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)
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self.check_html(
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self.widget, "email", "", html='<input type="file" name="email">'
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)
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self.check_html(
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self.widget, "email", None, html='<input type="file" name="email">'
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)
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def test_value_omitted_from_data(self):
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self.assertIs(self.widget.value_omitted_from_data({}, {}, "field"), True)
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self.assertIs(
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self.widget.value_omitted_from_data({}, {"field": "value"}, "field"), False
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)
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def test_use_required_attribute(self):
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# False when initial data exists. The file input is left blank by the
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# user to keep the existing, initial value.
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self.assertIs(self.widget.use_required_attribute(None), True)
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self.assertIs(self.widget.use_required_attribute("resume.txt"), False)
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def test_fieldset(self):
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class TestForm(Form):
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template_name = "forms_tests/use_fieldset.html"
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field = FileField(widget=self.widget)
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form = TestForm()
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self.assertIs(self.widget.use_fieldset, False)
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self.assertHTMLEqual(
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'<div><label for="id_field">Field:</label><input id="id_field" '
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'name="field" required type="file"></div>',
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form.render(),
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)
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