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;;; test-pearl-delete.el --- Tests for deleting an issue -*- lexical-binding: t; -*-
;; Copyright (C) 2026 Craig Jennings
;; Author: Craig Jennings <c@cjennings.net>
;; This program is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; Tests for `pearl--delete-issue-async' (the issueDelete mutation,
;; stubbed) and `pearl-delete-current-issue', which confirms, deletes,
;; and removes the issue subtree from the buffer on success.
;;; Code:
(require 'test-bootstrap (expand-file-name "test-bootstrap.el"))
(require 'testutil-request (expand-file-name "testutil-request.el"))
(require 'cl-lib)
(defmacro test-pearl--in-org (content &rest body)
"Run BODY in an org-mode temp buffer holding CONTENT at point-min."
(declare (indent 1))
`(with-temp-buffer
(insert ,content)
(org-mode)
(goto-char (point-min))
,@body))
;;; --delete-issue-async
(ert-deftest test-pearl-delete-issue-async-success ()
"A successful issueDelete reports success."
(testutil-linear-with-response
'((data (issueDelete (success . t))))
(let (result)
(pearl--delete-issue-async "id-1" (lambda (r) (setq result r)))
(should (eq t (plist-get result :success))))))
(ert-deftest test-pearl-delete-issue-async-soft-fail ()
"A non-success issueDelete reports failure rather than erroring."
(testutil-linear-with-response
'((data (issueDelete (success . :json-false))))
(let ((called nil) result)
(pearl--delete-issue-async "id-1" (lambda (r) (setq called t result r)))
(should called)
(should-not (plist-get result :success)))))
;;; delete-current-issue
(ert-deftest test-pearl-delete-current-issue-confirmed-removes-subtree ()
"Confirming the delete removes the issue subtree from the buffer."
(test-pearl--in-org
"* Header\n\n*** TODO ENG-1 Doomed\n:PROPERTIES:\n:LINEAR-ID: a\n:LINEAR-IDENTIFIER: ENG-1\n:END:\nbody\n*** TODO ENG-2 Survivor\n:PROPERTIES:\n:LINEAR-ID: b\n:END:\n"
(cl-letf (((symbol-function 'yes-or-no-p) (lambda (&rest _) t))
((symbol-function 'pearl--delete-issue-async)
(lambda (_id cb) (funcall cb '(:success t)))))
(re-search-forward "Doomed")
(pearl-delete-current-issue)
(goto-char (point-min))
(should-not (re-search-forward "Doomed" nil t))
;; the sibling issue is untouched
(goto-char (point-min))
(should (re-search-forward "Survivor" nil t)))))
(ert-deftest test-pearl-delete-current-issue-declined-keeps-subtree ()
"Declining the confirmation makes no API call and leaves the subtree."
(let ((called nil))
(test-pearl--in-org
"*** TODO ENG-1 Keepme\n:PROPERTIES:\n:LINEAR-ID: a\n:END:\nbody\n"
(cl-letf (((symbol-function 'yes-or-no-p) (lambda (&rest _) nil))
((symbol-function 'pearl--delete-issue-async)
(lambda (&rest _) (setq called t))))
(pearl-delete-current-issue)
(should-not called)
(goto-char (point-min))
(should (re-search-forward "Keepme" nil t))))))
(ert-deftest test-pearl-delete-current-issue-not-on-issue-errors ()
"Deleting outside a Linear issue heading signals a user error."
(test-pearl--in-org "* Plain heading\nno id\n"
(cl-letf (((symbol-function 'yes-or-no-p) (lambda (&rest _) t)))
(should-error (pearl-delete-current-issue) :type 'user-error))))
(ert-deftest test-pearl-delete-current-issue-failure-keeps-subtree ()
"A confirmed delete that fails on the remote leaves the subtree and its sibling intact."
(test-pearl--in-org
"* Header\n\n*** TODO ENG-1 Doomed\n:PROPERTIES:\n:LINEAR-ID: a\n:LINEAR-IDENTIFIER: ENG-1\n:END:\nbody\n*** TODO ENG-2 Survivor\n:PROPERTIES:\n:LINEAR-ID: b\n:END:\n"
(cl-letf (((symbol-function 'yes-or-no-p) (lambda (&rest _) t))
((symbol-function 'pearl--delete-issue-async)
(lambda (_id cb) (funcall cb '(:success nil)))))
(re-search-forward "Doomed")
(pearl-delete-current-issue)
;; the failed delete leaves the issue in place ...
(goto-char (point-min))
(should (re-search-forward "Doomed" nil t))
;; ... and the sibling subtree is untouched.
(goto-char (point-min))
(should (re-search-forward "Survivor" nil t)))))
(provide 'test-pearl-delete)
;;; test-pearl-delete.el ends here
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