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import os.path
import tempfile
from django.core.exceptions import ValidationError
from django.forms import FilePathField
from django.test import SimpleTestCase
PATH = os.path.dirname(os.path.abspath(__file__))
def fix_os_paths(x):
if isinstance(x, str):
return x.removeprefix(PATH).replace("\\", "/")
elif isinstance(x, tuple):
return tuple(fix_os_paths(list(x)))
elif isinstance(x, list):
return [fix_os_paths(y) for y in x]
else:
return x
class FilePathFieldTest(SimpleTestCase):
expected_choices = [
("/filepathfield_test_dir/__init__.py", "__init__.py"),
("/filepathfield_test_dir/a.py", "a.py"),
("/filepathfield_test_dir/ab.py", "ab.py"),
("/filepathfield_test_dir/b.py", "b.py"),
("/filepathfield_test_dir/c/__init__.py", "__init__.py"),
("/filepathfield_test_dir/c/d.py", "d.py"),
("/filepathfield_test_dir/c/e.py", "e.py"),
("/filepathfield_test_dir/c/f/__init__.py", "__init__.py"),
("/filepathfield_test_dir/c/f/g.py", "g.py"),
("/filepathfield_test_dir/h/__init__.py", "__init__.py"),
("/filepathfield_test_dir/j/__init__.py", "__init__.py"),
]
path = os.path.join(PATH, "filepathfield_test_dir") + "/"
def assertChoices(self, field, expected_choices):
self.assertEqual(fix_os_paths(field.choices), expected_choices)
def test_fix_os_paths(self):
self.assertEqual(fix_os_paths(self.path), ("/filepathfield_test_dir/"))
def test_nonexistent_path(self):
with self.assertRaisesMessage(FileNotFoundError, "nonexistent"):
FilePathField(path="nonexistent")
def test_no_options(self):
f = FilePathField(path=self.path)
expected = [
("/filepathfield_test_dir/README", "README"),
] + self.expected_choices[:4]
self.assertChoices(f, expected)
def test_clean(self):
f = FilePathField(path=self.path)
msg = "'Select a valid choice. a.py is not one of the available choices.'"
with self.assertRaisesMessage(ValidationError, msg):
f.clean("a.py")
self.assertEqual(
fix_os_paths(f.clean(self.path + "a.py")), "/filepathfield_test_dir/a.py"
)
def test_match(self):
f = FilePathField(path=self.path, match=r"^.*?\.py$")
self.assertChoices(f, self.expected_choices[:4])
def test_recursive(self):
f = FilePathField(path=self.path, recursive=True, match=r"^.*?\.py$")
expected = [
("/filepathfield_test_dir/__init__.py", "__init__.py"),
("/filepathfield_test_dir/a.py", "a.py"),
("/filepathfield_test_dir/ab.py", "ab.py"),
("/filepathfield_test_dir/b.py", "b.py"),
("/filepathfield_test_dir/c/__init__.py", "c/__init__.py"),
("/filepathfield_test_dir/c/d.py", "c/d.py"),
("/filepathfield_test_dir/c/e.py", "c/e.py"),
("/filepathfield_test_dir/c/f/__init__.py", "c/f/__init__.py"),
("/filepathfield_test_dir/c/f/g.py", "c/f/g.py"),
("/filepathfield_test_dir/h/__init__.py", "h/__init__.py"),
("/filepathfield_test_dir/j/__init__.py", "j/__init__.py"),
]
self.assertChoices(f, expected)
def test_allow_folders(self):
f = FilePathField(path=self.path, allow_folders=True, allow_files=False)
self.assertChoices(
f,
[
("/filepathfield_test_dir/c", "c"),
("/filepathfield_test_dir/h", "h"),
("/filepathfield_test_dir/j", "j"),
],
)
def test_recursive_no_folders_or_files(self):
f = FilePathField(
path=self.path, recursive=True, allow_folders=False, allow_files=False
)
self.assertChoices(f, [])
def test_set_choices_picks_up_new_files(self):
with tempfile.TemporaryDirectory() as tmp_dir:
f = FilePathField(path=tmp_dir)
self.assertEqual(f.choices, [])
tmp_file = os.path.join(tmp_dir, "new_file.txt")
open(tmp_file, "w").close()
f.set_choices()
self.assertIn((tmp_file, "new_file.txt"), f.choices)
self.assertIn((tmp_file, "new_file.txt"), f.widget.choices)
def test_recursive_folders_without_files(self):
f = FilePathField(
path=self.path, recursive=True, allow_folders=True, allow_files=False
)
self.assertChoices(
f,
[
("/filepathfield_test_dir/c", "c"),
("/filepathfield_test_dir/h", "h"),
("/filepathfield_test_dir/j", "j"),
("/filepathfield_test_dir/c/f", "c/f"),
],
)
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