def test_files(self):
temp_storage.save('tests/default.txt', ContentFile('default content'))
# Attempting to access a FileField from the class raises a descriptive
# error
self.assertRaises(AttributeError, lambda: Storage.normal)
# An object without a file has limited functionality.
obj1 = Storage()
self.assertEqual(obj1.normal.name, "")
self.assertRaises(ValueError, lambda: obj1.normal.size)
# Saving a file enables full functionality.
obj1.normal.save("django_test.txt", ContentFile("content"))
self.assertEqual(obj1.normal.name, "tests/django_test.txt")
self.assertEqual(obj1.normal.size, 7)
self.assertEqual(obj1.normal.read(), "content")
obj1.normal.close()
# File objects can be assigned to FileField attributes, but shouldn't
# get committed until the model it's attached to is saved.
obj1.normal = SimpleUploadedFile("assignment.txt", "content")
dirs, files = temp_storage.listdir("tests")
self.assertEqual(dirs, [])
self.assertEqual(sorted(files), ["default.txt", "django_test.txt"])
obj1.save()
dirs, files = temp_storage.listdir("tests")
self.assertEqual(
sorted(files), ["assignment.txt", "default.txt", "django_test.txt"]
)
# Files can be read in a little at a time, if necessary.
obj1.normal.open()
self.assertEqual(obj1.normal.read(3), "con")
self.assertEqual(obj1.normal.read(), "tent")
self.assertEqual(list(obj1.normal.chunks(chunk_size=2)), ["co", "nt", "en", "t"])
obj1.normal.close()
# Save another file with the same name.
obj2 = Storage()
obj2.normal.save("django_test.txt", ContentFile("more content"))
self.assertEqual(obj2.normal.name, "tests/django_test_1.txt")
self.assertEqual(obj2.normal.size, 12)
# Push the objects into the cache to make sure they pickle properly
cache.set("obj1", obj1)
cache.set("obj2", obj2)
self.assertEqual(cache.get("obj2").normal.name, "tests/django_test_1.txt")
# Deleting an object does not delete the file it uses.
obj2.delete()
obj2.normal.save("django_test.txt", ContentFile("more content"))
self.assertEqual(obj2.normal.name, "tests/django_test_2.txt")
# Multiple files with the same name get _N appended to them.
objs = [Storage() for i in range(3)]
for o in objs:
o.normal.save("multiple_files.txt", ContentFile("Same Content"))
self.assertEqual(
[o.normal.name for o in objs],
["tests/multiple_files.txt", "tests/multiple_files_1.txt", "tests/multiple_files_2.txt"]
)
for o in objs:
o.delete()
# Default values allow an object to access a single file.
obj3 = Storage.objects.create()
self.assertEqual(obj3.default.name, "tests/default.txt")
self.assertEqual(obj3.default.read(), "default content")
obj3.default.close()
# But it shouldn't be deleted, even if there are no more objects using
# it.
obj3.delete()
obj3 = Storage()
self.assertEqual(obj3.default.read(), "default content")
obj3.default.close()
# Verify the fix for #5655, making sure the directory is only
# determined once.
obj4 = Storage()
obj4.random.save("random_file", ContentFile("random content"))
self.assertTrue(obj4.random.name.endswith("/random_file"))
# Clean up the temporary files and dir.
obj1.normal.delete()
obj2.normal.delete()
obj3.default.delete()
obj4.random.delete()
def test_files(self):
temp_storage.save('tests/default.txt', ContentFile('default content'))
# Attempting to access a FileField from the class raises a descriptive
# error
self.assertRaises(AttributeError, lambda: Storage.normal)
# An object without a file has limited functionality.
obj1 = Storage()
self.assertEqual(obj1.normal.name, "")
self.assertRaises(ValueError, lambda: obj1.normal.size)
# Saving a file enables full functionality.
obj1.normal.save("django_test.txt", ContentFile("content"))
self.assertEqual(obj1.normal.name, "tests/django_test.txt")
self.assertEqual(obj1.normal.size, 7)
self.assertEqual(obj1.normal.read(), "content")
obj1.normal.close()
# File objects can be assigned to FileField attributes, but shouldn't
# get committed until the model it's attached to is saved.
obj1.normal = SimpleUploadedFile("assignment.txt", "content")
dirs, files = temp_storage.listdir("tests")
self.assertEqual(dirs, [])
self.assertEqual(sorted(files), ["default.txt", "django_test.txt"])
obj1.save()
dirs, files = temp_storage.listdir("tests")
self.assertEqual(sorted(files),
["assignment.txt", "default.txt", "django_test.txt"])
# Files can be read in a little at a time, if necessary.
obj1.normal.open()
self.assertEqual(obj1.normal.read(3), "con")
self.assertEqual(obj1.normal.read(), "tent")
self.assertEqual(list(obj1.normal.chunks(chunk_size=2)),
["co", "nt", "en", "t"])
obj1.normal.close()
# Save another file with the same name.
obj2 = Storage()
obj2.normal.save("django_test.txt", ContentFile("more content"))
self.assertEqual(obj2.normal.name, "tests/django_test_1.txt")
self.assertEqual(obj2.normal.size, 12)
# Push the objects into the cache to make sure they pickle properly
cache.set("obj1", obj1)
cache.set("obj2", obj2)
self.assertEqual(
cache.get("obj2").normal.name, "tests/django_test_1.txt")
# Deleting an object does not delete the file it uses.
obj2.delete()
obj2.normal.save("django_test.txt", ContentFile("more content"))
self.assertEqual(obj2.normal.name, "tests/django_test_2.txt")
# Multiple files with the same name get _N appended to them.
objs = [Storage() for i in range(3)]
for o in objs:
o.normal.save("multiple_files.txt", ContentFile("Same Content"))
self.assertEqual([o.normal.name for o in objs], [
"tests/multiple_files.txt", "tests/multiple_files_1.txt",
"tests/multiple_files_2.txt"
])
for o in objs:
o.delete()
# Default values allow an object to access a single file.
obj3 = Storage.objects.create()
self.assertEqual(obj3.default.name, "tests/default.txt")
self.assertEqual(obj3.default.read(), "default content")
obj3.default.close()
# But it shouldn't be deleted, even if there are no more objects using
# it.
obj3.delete()
obj3 = Storage()
self.assertEqual(obj3.default.read(), "default content")
obj3.default.close()
# Verify the fix for #5655, making sure the directory is only
# determined once.
obj4 = Storage()
obj4.random.save("random_file", ContentFile("random content"))
self.assertTrue(obj4.random.name.endswith("/random_file"))
# Clean up the temporary files and dir.
obj1.normal.delete()
obj2.normal.delete()
obj3.default.delete()
obj4.random.delete()
def save_file(self, name):
name = temp_storage.save(name, SlowFile("Data"))
def setUp(self):
#recreate our temp dir if necessary
if not os.path.exists(temp_storage_location):
os.mkdir(temp_storage_location)
# Write out a file to be used as default content
temp_storage.save('tests/default.txt', ContentFile('default content'))
def test_file_upload_permissions(self):
name = temp_storage.save("the_file", ContentFile("data"))
actual_mode = os.stat(temp_storage.path(name))[0] & 0777
self.assertEqual(actual_mode, 0666)
def setUp(self):
#recreate our temp dir if necessary
if not os.path.exists(temp_storage_location):
os.mkdir(temp_storage_location)
# Write out a file to be used as default content
temp_storage.save('tests/default.txt', ContentFile('default content'))
