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+;;; test-pearl-default-view.el --- Tests for the configurable default view -*- 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:
+
+;; Unit tests for the default-view resolver and the `pearl-open-default-view'
+;; dispatcher (phase 1 of docs/default-view-spec.org).  The resolver returns
+;; the active scope's default -- `pearl-default-view' in legacy mode, the
+;; active account's `:default-view' in accounts mode.  The open command
+;; dispatches nil -> my open issues, a known local-view name -> that view, and
+;; a stale name -> my open issues with a message (never an error).  The two
+;; fetch commands are stubbed so no network is touched.
+
+;;; Code:
+
+(require 'test-bootstrap (expand-file-name "test-bootstrap.el"))
+
+;;; pearl--resolve-default-view -- scope resolution
+
+(ert-deftest test-pearl-resolve-default-view-legacy-nil ()
+  "Legacy mode, no default set: the resolver returns nil."
+  (let ((pearl-accounts nil)
+        (pearl-default-view nil))
+    (should-not (pearl--resolve-default-view))))
+
+(ert-deftest test-pearl-resolve-default-view-legacy-name ()
+  "Legacy mode with a default set: the resolver returns the local-view name."
+  (let ((pearl-accounts nil)
+        (pearl-default-view "My active work"))
+    (should (string-equal "My active work" (pearl--resolve-default-view)))))
+
+(ert-deftest test-pearl-resolve-default-view-accounts-reads-active ()
+  "Accounts mode: the resolver returns the *active* account's :default-view."
+  (let ((pearl-accounts
+         '(("work" :api-key-source (:literal "kw") :org-file "/tmp/w.org"
+            :default-view "Work board")
+           ("home" :api-key-source (:literal "kh") :org-file "/tmp/h.org"
+            :default-view "Home triage")))
+        (pearl-default-account nil)
+        (pearl-active-account "work"))
+    (should (string-equal "Work board" (pearl--resolve-default-view)))))
+
+(ert-deftest test-pearl-resolve-default-view-accounts-switch ()
+  "Accounts mode: switching the active account switches the resolved default."
+  (let ((pearl-accounts
+         '(("work" :api-key-source (:literal "kw") :org-file "/tmp/w.org"
+            :default-view "Work board")
+           ("home" :api-key-source (:literal "kh") :org-file "/tmp/h.org"
+            :default-view "Home triage")))
+        (pearl-default-account nil)
+        (pearl-active-account "home"))
+    (should (string-equal "Home triage" (pearl--resolve-default-view)))))
+
+(ert-deftest test-pearl-resolve-default-view-accounts-unset ()
+  "Accounts mode, active account has no :default-view: the resolver returns nil.
+The legacy `pearl-default-view' does not leak in when accounts are configured."
+  (let ((pearl-accounts
+         '(("work" :api-key-source (:literal "kw") :org-file "/tmp/w.org")))
+        (pearl-default-account nil)
+        (pearl-active-account "work")
+        (pearl-default-view "Legacy default"))
+    (should-not (pearl--resolve-default-view))))
+
+(ert-deftest test-pearl-resolve-account-carries-default-view ()
+  "`pearl--resolve-account' surfaces the account's :default-view in its context."
+  (let ((pearl-accounts
+         '(("work" :api-key-source (:literal "kw") :org-file "/tmp/w.org"
+            :default-view "Work board"))))
+    (should (string-equal "Work board"
+                          (plist-get (pearl--resolve-account "work") :default-view)))))
+
+;;; pearl-open-default-view -- dispatch
+
+(ert-deftest test-pearl-open-default-view-nil-runs-my-open-issues ()
+  "An unset default dispatches to `pearl-list-issues' (my open issues)."
+  (let ((pearl-accounts nil)
+        (pearl-default-view nil)
+        (calls nil))
+    (cl-letf (((symbol-function 'pearl-list-issues)
+               (lambda (&rest args) (push (cons 'list args) calls)))
+              ((symbol-function 'pearl-run-local-view)
+               (lambda (name) (push (cons 'view name) calls))))
+      (pearl-open-default-view)
+      (should (equal calls '((list)))))))
+
+(ert-deftest test-pearl-open-default-view-name-runs-local-view ()
+  "A default naming an existing local view dispatches to `pearl-run-local-view'."
+  (let ((pearl-accounts nil)
+        (pearl-default-view "My active work")
+        (pearl-local-views '(("My active work" :filter (:assignee :me :open t))))
+        (calls nil))
+    (cl-letf (((symbol-function 'pearl-list-issues)
+               (lambda (&rest args) (push (cons 'list args) calls)))
+              ((symbol-function 'pearl-run-local-view)
+               (lambda (name) (push (cons 'view name) calls))))
+      (pearl-open-default-view)
+      (should (equal calls '((view . "My active work")))))))
+
+(ert-deftest test-pearl-open-default-view-stale-name-falls-back ()
+  "A default naming a deleted local view falls back to my open issues, no error.
+It dispatches to `pearl-list-issues' and never calls `pearl-run-local-view'."
+  (let ((pearl-accounts nil)
+        (pearl-default-view "Deleted view")
+        (pearl-local-views '(("Some other view" :filter (:open t))))
+        (calls nil)
+        (messaged nil))
+    (cl-letf (((symbol-function 'pearl-list-issues)
+               (lambda (&rest args) (push (cons 'list args) calls)))
+              ((symbol-function 'pearl-run-local-view)
+               (lambda (name) (push (cons 'view name) calls)))
+              ((symbol-function 'message)
+               (lambda (&rest args) (setq messaged (or messaged args)))))
+      (pearl-open-default-view)
+      (should (equal calls '((list))))
+      (should messaged))))
+
+(provide 'test-pearl-default-view)
+;;; test-pearl-default-view.el ends here