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;;; test-pearl-fields.el --- Tests for command-managed drawer fields -*- 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 the command-managed drawer fields that need no name->id
;; resolution helper: set-priority and set-state. Covers the generic
;; issueUpdate helper (stubbed at the HTTP boundary), the heading cookie and
;; keyword/drawer mutators, and the two commands' push + buffer-update paths.
;;; 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, default mapping bound."
(declare (indent 1))
`(let ((pearl-state-to-todo-mapping
'(("Todo" . "TODO") ("In Progress" . "IN-PROGRESS") ("Done" . "DONE")))
(org-todo-keywords '((sequence "TODO" "IN-PROGRESS" "|" "DONE"))))
(with-temp-buffer
(insert ,content)
(org-mode)
(goto-char (point-min))
,@body)))
;;; --update-issue-async (generic issueUpdate)
(ert-deftest test-pearl-update-issue-async-success ()
"A successful generic issueUpdate reports success and the timestamp."
(testutil-linear-with-response
'((data (issueUpdate (success . t) (issue (id . "a") (updatedAt . "t1")))))
(let (result)
(pearl--update-issue-async "a" '(("priority" . 2)) (lambda (r) (setq result r)))
(should (eq t (plist-get result :success)))
(should (string= "t1" (plist-get result :updated-at))))))
(ert-deftest test-pearl-update-issue-async-soft-fail ()
"A non-success generic issueUpdate reports failure rather than erroring."
(testutil-linear-with-response
'((data (issueUpdate (success . :json-false) (issue . nil))))
(let ((called nil) result)
(pearl--update-issue-async "a" '(("priority" . 2)) (lambda (r) (setq called t result r)))
(should called)
(should-not (plist-get result :success)))))
;;; --set-priority-cookie
(ert-deftest test-pearl-set-priority-cookie-replaces ()
"Setting a priority rewrites the heading cookie."
(test-pearl--in-org "*** TODO [#C] Title\n:PROPERTIES:\n:LINEAR-ID: a\n:END:\n"
(pearl--set-priority-cookie 1)
(goto-char (point-min))
(should (string-match-p "^\\*\\*\\* TODO \\[#A\\] Title" (thing-at-point 'line t)))))
(ert-deftest test-pearl-set-priority-cookie-low ()
"Low priority renders the #D cookie."
(test-pearl--in-org "*** TODO [#C] Title\n:PROPERTIES:\n:LINEAR-ID: a\n:END:\n"
(pearl--set-priority-cookie 4)
(goto-char (point-min))
(should (string-match-p "^\\*\\*\\* TODO \\[#D\\] Title" (thing-at-point 'line t)))))
(ert-deftest test-pearl-set-priority-cookie-none-removes ()
"Priority None removes the cookie."
(test-pearl--in-org "*** TODO [#C] Title\n:PROPERTIES:\n:LINEAR-ID: a\n:END:\n"
(pearl--set-priority-cookie 0)
(goto-char (point-min))
(should (string-match-p "^\\*\\*\\* TODO Title" (thing-at-point 'line t)))
(should-not (string-match-p "\\[#" (thing-at-point 'line t)))))
;;; pearl-set-priority
(ert-deftest test-pearl-set-priority-pushes-and-updates-cookie ()
"Setting priority pushes the numeric value and rewrites the cookie."
(let ((pushed nil))
(test-pearl--in-org "*** TODO [#C] Title\n:PROPERTIES:\n:LINEAR-ID: a\n:END:\n"
(cl-letf (((symbol-function 'pearl--update-issue-async)
(lambda (_id input cb) (setq pushed input) (funcall cb '(:success t)))))
(re-search-forward "Title")
(pearl-set-priority "High")
(should (equal 2 (cdr (assoc "priority" pushed))))
(goto-char (point-min))
(should (string-match-p "\\[#B\\]" (thing-at-point 'line t)))))))
(ert-deftest test-pearl-set-priority-not-on-issue-errors ()
"Setting priority outside a Linear issue heading signals a user error."
(test-pearl--in-org "* Plain heading\nno id\n"
(should-error (pearl-set-priority "High") :type 'user-error)))
;;; --set-heading-state
(ert-deftest test-pearl-set-heading-state-updates-keyword-and-drawer ()
"Setting the heading state updates the TODO keyword and the LINEAR-STATE drawer."
(test-pearl--in-org
"*** TODO [#B] Title\n:PROPERTIES:\n:LINEAR-ID: a\n:LINEAR-STATE-ID: old\n:LINEAR-STATE-NAME: Todo\n:END:\n"
(pearl--set-heading-state "In Progress" "s2")
(goto-char (point-min))
(should (string-match-p "^\\*\\*\\* IN-PROGRESS " (thing-at-point 'line t)))
(should (string= "In Progress" (org-entry-get nil "LINEAR-STATE-NAME")))
(should (string= "s2" (org-entry-get nil "LINEAR-STATE-ID")))))
(ert-deftest test-pearl-set-heading-state-does-not-fire-sync-hook ()
"Setting the keyword must not trigger the Linear org-todo sync hook."
(let ((fired nil))
(test-pearl--in-org
"*** TODO [#B] Title\n:PROPERTIES:\n:LINEAR-ID: a\n:END:\n"
(let ((org-after-todo-state-change-hook (list (lambda () (setq fired t)))))
(pearl--set-heading-state "Done" "s3")
(should-not fired)))))
;;; pearl-set-state
(ert-deftest test-pearl-set-state-pushes-id-and-updates-heading ()
"Setting state resolves the name to an id, pushes it, and updates the heading."
(let ((pushed nil))
(test-pearl--in-org
"*** TODO [#B] Title\n:PROPERTIES:\n:LINEAR-ID: a\n:LINEAR-TEAM-ID: team-1\n:END:\n"
(cl-letf (((symbol-function 'pearl--team-states)
(lambda (_team) '(((id . "s1") (name . "Todo"))
((id . "s2") (name . "In Progress")))))
((symbol-function 'pearl--update-issue-async)
(lambda (_id input cb) (setq pushed input) (funcall cb '(:success t)))))
(pearl-set-state "In Progress")
(should (string= "s2" (cdr (assoc "stateId" pushed))))
(goto-char (point-min))
(should (string-match-p "^\\*\\*\\* IN-PROGRESS " (thing-at-point 'line t)))
(should (string= "In Progress" (org-entry-get nil "LINEAR-STATE-NAME")))))))
(ert-deftest test-pearl-set-state-not-on-issue-errors ()
"Setting state outside a Linear issue heading signals a user error."
(test-pearl--in-org "* Plain heading\nno id\n"
(should-error (pearl-set-state "Done") :type 'user-error)))
(provide 'test-pearl-fields)
;;; test-pearl-fields.el ends here
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