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	he possibility for it being null was likely an oversight -- it should have been removed after the early migrations to backfill the field when it was added. We've confirmed there are no existing violations of this invariant in Zulip Cloud.
		
			
				
	
	
		
			74 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			74 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
from typing import Any
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from unittest import mock
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from zerver.lib.attachments import user_attachments
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from zerver.lib.test_classes import ZulipTestCase
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from zerver.models import Attachment
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class AttachmentsTests(ZulipTestCase):
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    def setUp(self) -> None:
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        super().setUp()
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        user_profile = self.example_user("cordelia")
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        self.attachment = Attachment.objects.create(
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            file_name="test.txt",
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            path_id="foo/bar/test.txt",
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            owner=user_profile,
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            realm=user_profile.realm,
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            size=512,
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        )
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    def test_list_by_user(self) -> None:
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        user_profile = self.example_user("cordelia")
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        self.login_user(user_profile)
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        result = self.client_get("/json/attachments")
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        self.assert_json_success(result)
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        attachments = user_attachments(user_profile)
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        self.assertEqual(result.json()["attachments"], attachments)
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    def test_remove_attachment_exception(self) -> None:
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        user_profile = self.example_user("cordelia")
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        self.login_user(user_profile)
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        with mock.patch("zerver.lib.attachments.delete_message_image", side_effect=Exception()):
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            result = self.client_delete(f"/json/attachments/{self.attachment.id}")
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        self.assert_json_error(
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            result, "An error occurred while deleting the attachment. Please try again later."
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        )
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    @mock.patch("zerver.lib.attachments.delete_message_image")
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    def test_remove_attachment(self, ignored: Any) -> None:
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        user_profile = self.example_user("cordelia")
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        self.login_user(user_profile)
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        result = self.client_delete(f"/json/attachments/{self.attachment.id}")
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        self.assert_json_success(result)
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        attachments = user_attachments(user_profile)
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        self.assertEqual(attachments, [])
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    def test_list_another_user(self) -> None:
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        user_profile = self.example_user("iago")
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        self.login_user(user_profile)
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        result = self.client_get("/json/attachments")
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        self.assert_json_success(result)
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        self.assertEqual(result.json()["attachments"], [])
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    def test_remove_another_user(self) -> None:
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        user_profile = self.example_user("iago")
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        self.login_user(user_profile)
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        result = self.client_delete(f"/json/attachments/{self.attachment.id}")
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        self.assert_json_error(result, "Invalid attachment")
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        user_profile_to_remove = self.example_user("cordelia")
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        attachments = user_attachments(user_profile_to_remove)
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        self.assertEqual(attachments, [self.attachment.to_dict()])
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    def test_list_unauthenticated(self) -> None:
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        result = self.client_get("/json/attachments")
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        self.assert_json_error(
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            result, "Not logged in: API authentication or user session required", status_code=401
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        )
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    def test_delete_unauthenticated(self) -> None:
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        result = self.client_delete(f"/json/attachments/{self.attachment.id}")
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        self.assert_json_error(
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            result, "Not logged in: API authentication or user session required", status_code=401
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        )
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