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;;; test-pearl-assignee-labels.el --- Tests for set-assignee / set-labels -*- 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 two drawer-field commands that resolve names to ids:
;; `pearl-set-assignee' and `pearl-set-labels'. They push via
;; the generic `--update-issue-async' and update the LINEAR-ASSIGNEE / LABELS
;; drawer. The resolver and the mutation are stubbed.
;;; Code:
(require 'test-bootstrap (expand-file-name "test-bootstrap.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))
;;; set-assignee
(ert-deftest test-pearl-set-assignee-pushes-id-and-updates-drawer ()
"Setting an assignee resolves the name, pushes the id, and updates the drawer."
(let ((pushed nil))
(test-pearl--in-org
"*** TODO Title\n:PROPERTIES:\n:LINEAR-ID: a\n:LINEAR-TEAM-ID: team-1\n:LINEAR-ASSIGNEE-ID: old\n:LINEAR-ASSIGNEE-NAME: Someone\n:END:\n"
(cl-letf (((symbol-function 'pearl--resolve-team-id)
(lambda (_kind _name _team &optional _force) "u9"))
((symbol-function 'pearl--update-issue-async)
(lambda (_id input cb) (setq pushed input) (funcall cb '(:success t)))))
(pearl-set-assignee "Craig")
(should (string= "u9" (cdr (assoc "assigneeId" pushed))))
(should (string= "Craig" (org-entry-get nil "LINEAR-ASSIGNEE-NAME")))
(should (string= "u9" (org-entry-get nil "LINEAR-ASSIGNEE-ID")))))))
(ert-deftest test-pearl-set-assignee-unresolvable-errors ()
"An unresolvable assignee name signals a user error and pushes nothing."
(let ((pushed nil))
(test-pearl--in-org
"*** TODO Title\n:PROPERTIES:\n:LINEAR-ID: a\n:LINEAR-TEAM-ID: team-1\n:END:\n"
(cl-letf (((symbol-function 'pearl--resolve-team-id)
(lambda (&rest _) nil))
((symbol-function 'pearl--update-issue-async)
(lambda (&rest _) (setq pushed t))))
(should-error (pearl-set-assignee "Nobody") :type 'user-error)
(should-not pushed)))))
(ert-deftest test-pearl-set-assignee-not-on-issue-errors ()
"Setting an assignee outside a Linear issue heading signals a user error."
(test-pearl--in-org "* Plain heading\nno id\n"
(should-error (pearl-set-assignee "Craig") :type 'user-error)))
(ert-deftest test-pearl-set-assignee-failure-preserves-drawer ()
"A failed assignee push attempts the mutation but leaves the drawer unchanged."
(let (pushed)
(test-pearl--in-org
"*** TODO Title\n:PROPERTIES:\n:LINEAR-ID: a\n:LINEAR-TEAM-ID: team-1\n:LINEAR-ASSIGNEE-ID: old\n:LINEAR-ASSIGNEE-NAME: Someone\n:END:\n"
(cl-letf (((symbol-function 'pearl--resolve-team-id)
(lambda (_kind _name _team &optional _force) "u9"))
((symbol-function 'pearl--update-issue-async)
(lambda (_id input cb) (setq pushed input) (funcall cb '(:success nil)))))
(pearl-set-assignee "Craig")
(should (string= "u9" (cdr (assoc "assigneeId" pushed))))
(should (string= "Someone" (org-entry-get nil "LINEAR-ASSIGNEE-NAME")))
(should (string= "old" (org-entry-get nil "LINEAR-ASSIGNEE-ID")))))))
;;; set-labels
(ert-deftest test-pearl-set-labels-pushes-ids-and-updates-drawer ()
"Setting labels resolves each name, pushes the id list, and updates the drawer."
(let ((pushed nil))
(test-pearl--in-org
"*** TODO Title\n:PROPERTIES:\n:LINEAR-ID: a\n:LINEAR-TEAM-ID: team-1\n:LINEAR-LABELS: []\n:END:\n"
(cl-letf (((symbol-function 'pearl--resolve-team-id)
(lambda (_kind name _team &optional _force)
(pcase name ("bug" "l1") ("p1" "l2") (_ nil))))
((symbol-function 'pearl--update-issue-async)
(lambda (_id input cb) (setq pushed input) (funcall cb '(:success t)))))
(pearl-set-labels '("bug" "p1"))
(should (equal '("l1" "l2") (cdr (assoc "labelIds" pushed))))
(should (string= "[bug, p1]" (org-entry-get nil "LINEAR-LABELS")))))))
(ert-deftest test-pearl-set-labels-clear-pushes-empty ()
"Clearing labels (empty list) pushes an empty id list and empties the drawer."
(let ((pushed 'unset))
(test-pearl--in-org
"*** TODO Title\n:PROPERTIES:\n:LINEAR-ID: a\n:LINEAR-TEAM-ID: team-1\n:LINEAR-LABELS: [bug]\n:END:\n"
(cl-letf (((symbol-function 'pearl--update-issue-async)
(lambda (_id input cb) (setq pushed input) (funcall cb '(:success t)))))
(pearl-set-labels '())
(should (equal '() (cdr (assoc "labelIds" pushed))))
(should (string= "[]" (org-entry-get nil "LINEAR-LABELS")))))))
(ert-deftest test-pearl-set-labels-unresolvable-errors ()
"An unresolvable label name signals a user error and pushes nothing."
(let ((pushed nil))
(test-pearl--in-org
"*** TODO Title\n:PROPERTIES:\n:LINEAR-ID: a\n:LINEAR-TEAM-ID: team-1\n:END:\n"
(cl-letf (((symbol-function 'pearl--resolve-team-id)
(lambda (&rest _) nil))
((symbol-function 'pearl--update-issue-async)
(lambda (&rest _) (setq pushed t))))
(should-error (pearl-set-labels '("ghost")) :type 'user-error)
(should-not pushed)))))
(ert-deftest test-pearl-set-labels-failure-preserves-drawer ()
"A failed labels push attempts the mutation but leaves the labels drawer unchanged."
(let (pushed)
(test-pearl--in-org
"*** TODO Title\n:PROPERTIES:\n:LINEAR-ID: a\n:LINEAR-TEAM-ID: team-1\n:LINEAR-LABELS: [bug]\n:END:\n"
(cl-letf (((symbol-function 'pearl--resolve-team-id)
(lambda (_kind name _team &optional _force)
(pcase name ("p1" "l2") (_ nil))))
((symbol-function 'pearl--update-issue-async)
(lambda (_id input cb) (setq pushed input) (funcall cb '(:success nil)))))
(pearl-set-labels '("p1"))
(should (equal '("l2") (cdr (assoc "labelIds" pushed))))
(should (string= "[bug]" (org-entry-get nil "LINEAR-LABELS")))))))
(provide 'test-pearl-assignee-labels)
;;; test-pearl-assignee-labels.el ends here
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