[1.11.x] Fixed #28414 -- Fixed ClearableFileInput rendering as a subwidget of MultiWidget.

Backport of d4da39685b5974849c73e4c4dc6e07dfdf21c67a from master

1 files changed, 13 insertions, 1 deletions

diff --git a/tests/forms_tests/widget_tests/test_clearablefileinput.py b/tests/forms_tests/widget_tests/test_clearablefileinput.py
index 1e52f0f62e..8a075569c0 100644
--- a/tests/forms_tests/widget_tests/test_clearablefileinput.py
+++ b/tests/forms_tests/widget_tests/test_clearablefileinput.py
@@ -1,5 +1,5 @@
 from django.core.files.uploadedfile import SimpleUploadedFile
-from django.forms import ClearableFileInput
+from django.forms import ClearableFileInput, MultiWidget
 from django.utils.encoding import python_2_unicode_compatible
 
 from .base import WidgetTest
@@ -77,6 +77,18 @@ class ClearableFileInputTest(WidgetTest):
         """
         self.check_html(self.widget, 'myfile', None, html='<input type="file" name="myfile" />')
 
+    def test_render_as_subwidget(self):
+        """A ClearableFileInput as a subwidget of MultiWidget."""
+        widget = MultiWidget(widgets=(self.widget,))
+        self.check_html(widget, 'myfile', [FakeFieldFile()], html=(
+            """
+            Currently: <a href="something">something</a>
+            <input type="checkbox" name="myfile_0-clear" id="myfile_0-clear_id" />
+            <label for="myfile_0-clear_id">Clear</label><br />
+            Change: <input type="file" name="myfile_0" />
+            """
+        ))
+
     def test_clear_input_checked_returns_false(self):
         """
         ClearableFileInput.value_from_datadict returns False if the clear