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;;; test-pearl-views.el --- Tests for Linear Custom Views -*- 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 reading and running Linear Custom Views: the cached views list,
;; the server-side `--query-view-async' run, `pearl-run-linear-view', the view
;; branch of refresh, and opening the active view in the browser. HTTP is
;; stubbed.
;;; Code:
(require 'test-bootstrap (expand-file-name "test-bootstrap.el"))
(require 'testutil-request (expand-file-name "testutil-request.el"))
(require 'cl-lib)
;;; --query-view-async
(ert-deftest test-pearl-query-view-async-extracts-issues ()
"Running a view extracts the server-side issue nodes into an ok result."
(testutil-linear-with-response
'((data (customView
(issues (nodes . [((id . "i1") (identifier . "ENG-1") (title . "A"))])
(pageInfo (hasNextPage . :json-false) (endCursor . nil))))))
(let (result)
(pearl--query-view-async "view-1" (lambda (r) (setq result r)))
(should (eq 'ok (pearl--query-result-status result)))
(should (= 1 (length (pearl--query-result-issues result)))))))
;;; --custom-views (cached)
(ert-deftest test-pearl-custom-views-caches ()
"The views list is fetched once and served from cache."
(let ((pearl-api-key "test-key")
(pearl--cache-views nil)
(calls 0))
(cl-letf (((symbol-function 'request)
(lambda (_url &rest args)
(cl-incf calls)
(funcall (plist-get args :success) :data
'((data (customViews
(nodes . [((id . "v1") (name . "My View"))])
(pageInfo (hasNextPage . :json-false)))))))))
(let ((views (pearl--custom-views)))
(should (= 1 (length views)))
(pearl--custom-views)
(should (= 1 calls))))))
(ert-deftest test-pearl-custom-views-query-omits-url ()
"The Custom Views list query must not select the unsupported `url' field.
Linear's `CustomView' type has no `url'; requesting it 400s the whole query
and leaves the run-view picker empty (the 2026-06-02 regression)."
(should-not (string-match-p "\\burl\\b" (pearl--custom-views-query))))
;;; --org-url-key (cached) and --view-url (reconstructed)
(ert-deftest test-pearl-org-url-key-caches ()
"The workspace url key is fetched once and served from cache."
(let ((pearl-api-key "test-key")
(pearl--cache-org-url-key nil)
(calls 0))
(cl-letf (((symbol-function 'request)
(lambda (_url &rest args)
(cl-incf calls)
(funcall (plist-get args :success) :data
'((data (organization (urlKey . "deepsat"))))))))
(should (string= "deepsat" (pearl--org-url-key)))
(pearl--org-url-key)
(should (= 1 calls)))))
(ert-deftest test-pearl-view-url-builds-from-urlkey ()
"A view's web URL is reconstructed from the workspace url key and view id."
(cl-letf (((symbol-function 'pearl--org-url-key) (lambda (&optional _) "deepsat")))
(should (string= "https://linear.app/deepsat/view/abc123"
(pearl--view-url "abc123")))))
(ert-deftest test-pearl-view-url-nil-when-no-urlkey ()
"With no workspace url key, the view URL is nil so callers degrade gracefully."
(cl-letf (((symbol-function 'pearl--org-url-key) (lambda (&optional _) nil)))
(should-not (pearl--view-url "abc123"))))
(ert-deftest test-pearl-view-url-nil-when-empty-view-id ()
"A nil or empty view id yields no URL rather than a malformed link."
(cl-letf (((symbol-function 'pearl--org-url-key) (lambda (&optional _) "deepsat")))
(should-not (pearl--view-url nil))
(should-not (pearl--view-url ""))))
;;; run-view
(ert-deftest test-pearl-run-view-renders-with-view-source ()
"Running a view resolves its id and renders with a view-typed source."
(let ((ran-id nil) (rendered-source nil))
(cl-letf (((symbol-function 'pearl--custom-views)
(lambda (&optional _force)
;; Nodes carry no `url' -- Linear's CustomView has none; the
;; source URL is reconstructed from the workspace url key.
'(((id . "v1") (name . "My View")))))
((symbol-function 'pearl--org-url-key) (lambda (&optional _) "deepsat"))
((symbol-function 'pearl--query-view-async)
(lambda (id cb) (setq ran-id id)
(funcall cb (pearl--make-query-result 'ok :issues nil))))
((symbol-function 'pearl--render-query-result)
(lambda (_result source) (setq rendered-source source))))
(pearl-run-linear-view "My View")
(should (string= "v1" ran-id))
(should (eq 'view (plist-get rendered-source :type)))
(should (string= "v1" (plist-get rendered-source :id)))
(should (string= "https://linear.app/deepsat/view/v1"
(plist-get rendered-source :url))))))
;;; refresh-current-view, view branch
(ert-deftest test-pearl-refresh-current-view-runs-view-source ()
"Refresh on a view source calls the view query, not the filter query."
(let ((view-ran nil)
(source '(:type view :name "My View" :id "v1" :url "https://x")))
(with-temp-buffer
(insert (format "#+title: Linear — My View\n#+LINEAR-SOURCE: %s\n\n"
(prin1-to-string source)))
(org-mode)
(cl-letf (((symbol-function 'pearl--query-view-async)
(lambda (id cb) (setq view-ran id)
(funcall cb (pearl--make-query-result 'ok :issues nil))))
((symbol-function 'pearl--merge-query-result)
(lambda (&rest _) nil)))
(pearl-refresh-current-view)
(should (string= "v1" view-ran))))))
;;; open-current-view-in-linear
(ert-deftest test-pearl-open-current-view-visits-url ()
"Opening the active view visits the source's url."
(let ((visited nil)
(source '(:type view :name "My View" :id "v1" :url "https://linear.app/view/v1")))
(with-temp-buffer
(insert (format "#+LINEAR-SOURCE: %s\n" (prin1-to-string source)))
(org-mode)
(cl-letf (((symbol-function 'browse-url) (lambda (u &rest _) (setq visited u))))
(pearl-open-current-view-in-linear)
(should (string= "https://linear.app/view/v1" visited))))))
(ert-deftest test-pearl-open-current-view-no-url-errors ()
"Opening a non-view or url-less source signals a user error."
(let ((source '(:type filter :name "My open issues" :filter (:assignee :me))))
(with-temp-buffer
(insert (format "#+LINEAR-SOURCE: %s\n" (prin1-to-string source)))
(org-mode)
(should-error (pearl-open-current-view-in-linear) :type 'user-error))))
;;; the view query fetches comments too
(ert-deftest test-pearl-view-issues-query-requests-comments ()
"The Custom View query selects capped, newest-first comments by default."
(let ((pearl-fetch-comments-in-list t)
(pearl-list-comments-count-cap 25))
(should (string-match-p "comments(first: 26, orderBy: createdAt)[[:space:]]*{[[:space:]]*nodes"
(pearl--view-issues-query)))))
(provide 'test-pearl-views)
;;; test-pearl-views.el ends here
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