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;;; test-system-defaults.el --- Smoke tests for system-defaults settings -*- lexical-binding: t; -*-
;;; Commentary:
;; system-defaults.el holds high-impact defaults with no behavior of its own
;; to unit-test, so these are characterization smoke tests on the *settings*
;; most likely to cause damage if they regressed silently: where Customize
;; writes land, where backups go, and whether the minibuffer GC hooks are
;; installed. Load happens in the shared sandbox (testutil-system-defaults.el).
;;
;; The module's functions (cj/disabled, the GC hook bodies, unpropertize-kill-ring,
;; cj/log-comp-warning) are covered by test-system-defaults-functions.el, and the
;; vc-follow-symlinks default by test-system-defaults-vc-follow-symlinks.el.
;;; Code:
(require 'ert)
(add-to-list 'load-path (expand-file-name "tests" user-emacs-directory))
(require 'testutil-system-defaults)
;;; custom-file redirection
(ert-deftest test-system-defaults-custom-file-redirected-to-tempfile ()
"Normal: custom-file points at a throwaway temp file, never the repo.
This is what stops accidental Customize writes from landing in tracked init."
(test-system-defaults--with-load-environment
(let ((custom-file nil))
(test-system-defaults--load)
(should (stringp custom-file))
(should (string-prefix-p (file-name-as-directory
(expand-file-name temporary-file-directory))
(expand-file-name custom-file)))
(should (string-match-p "emacs-customizations-trashbin-"
(file-name-nondirectory custom-file)))
(should-not (string-prefix-p (expand-file-name user-emacs-directory)
(expand-file-name custom-file))))))
;;; backup directory
(ert-deftest test-system-defaults-backups-redirected-under-user-emacs-dir ()
"Normal: backups are redirected into user-emacs-directory/backups.
cj/backup-directory is a defvar that only recomputes when unbound, so the
test clears it first to capture the path derived from the sandbox."
(test-system-defaults--with-load-environment
(makunbound 'cj/backup-directory)
(let ((backup-directory-alist nil))
(test-system-defaults--load)
(let ((dir (cdr (assoc "." backup-directory-alist))))
(should dir)
(should (string-prefix-p (expand-file-name user-emacs-directory)
(expand-file-name dir)))
(should (string-suffix-p "backups" (directory-file-name dir)))))))
;;; minibuffer GC hooks
(ert-deftest test-system-defaults-minibuffer-gc-hooks-registered ()
"Normal: the minibuffer GC raise/restore hooks are installed.
Their bodies are tested in test-system-defaults-functions.el; this asserts
they are actually wired onto the minibuffer hooks."
(test-system-defaults--with-load-environment
(let ((minibuffer-setup-hook nil)
(minibuffer-exit-hook nil))
(test-system-defaults--load)
(should (memq 'cj/minibuffer-setup-hook minibuffer-setup-hook))
(should (memq 'cj/minibuffer-exit-hook minibuffer-exit-hook)))))
(provide 'test-system-defaults)
;;; test-system-defaults.el ends here
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