diff options
| -rw-r--r-- | modules/font-config.el | 75 | ||||
| -rw-r--r-- | tests/test-font-config--frame-lifecycle.el | 75 |
2 files changed, 114 insertions, 36 deletions
diff --git a/modules/font-config.el b/modules/font-config.el index 39d21364c..4821b89e1 100644 --- a/modules/font-config.el +++ b/modules/font-config.el @@ -153,36 +153,38 @@ :italic-slant italic :line-spacing nil)))) -(with-eval-after-load 'fontaine - ;; Track which frames have had fonts applied - (defvar cj/fontaine-configured-frames nil - "List of frames that have had fontaine configuration applied.") +;; Track which frames have had fonts applied +(defvar cj/fontaine-configured-frames nil + "List of frames that have had fontaine configuration applied.") + +(declare-function fontaine-set-preset "fontaine") - (defun cj/apply-font-settings-to-frame (&optional frame) - "Apply font settings to FRAME if not already configured. +(defun cj/apply-font-settings-to-frame (&optional frame) + "Apply font settings to FRAME if not already configured. If FRAME is nil, uses the selected frame." - (let ((target-frame (or frame (selected-frame)))) - (unless (member target-frame cj/fontaine-configured-frames) - (with-selected-frame target-frame - (when (env-gui-p) - (fontaine-set-preset 'default) - (push target-frame cj/fontaine-configured-frames)))))) - - (defun cj/cleanup-frame-list (frame) - "Remove FRAME from the configured frames list when deleted." - (setq cj/fontaine-configured-frames - (delq frame cj/fontaine-configured-frames))) + (let ((target-frame (or frame (selected-frame)))) + (unless (member target-frame cj/fontaine-configured-frames) + (with-selected-frame target-frame + (when (env-gui-p) + (fontaine-set-preset 'default) + (push target-frame cj/fontaine-configured-frames)))))) + +(defun cj/cleanup-frame-list (frame) + "Remove FRAME from the configured frames list when deleted." + (setq cj/fontaine-configured-frames + (delq frame cj/fontaine-configured-frames))) +(with-eval-after-load 'fontaine ;; Handle daemon mode and regular mode (if (daemonp) - (progn - ;; Apply to each new frame in daemon mode - (add-hook 'server-after-make-frame-hook #'cj/apply-font-settings-to-frame) - ;; Clean up deleted frames from tracking list - (add-hook 'delete-frame-functions #'cj/cleanup-frame-list)) - ;; Apply immediately in non-daemon mode - (when (env-gui-p) - (cj/apply-font-settings-to-frame)))) + (progn + ;; Apply to each new frame in daemon mode + (add-hook 'server-after-make-frame-hook #'cj/apply-font-settings-to-frame) + ;; Clean up deleted frames from tracking list + (add-hook 'delete-frame-functions #'cj/cleanup-frame-list)) + ;; Apply immediately in non-daemon mode + (when (env-gui-p) + (cj/apply-font-settings-to-frame)))) ;; ----------------------------- Font Install Check ---------------------------- ;; convenience function to indicate whether a font is available by name. @@ -196,22 +198,23 @@ If FRAME is nil, uses the selected frame." ;; ------------------------------- All The Icons ------------------------------- ;; icons made available through fonts +(declare-function all-the-icons-install-fonts "all-the-icons") + +(defun cj/maybe-install-all-the-icons-fonts (&optional _frame) + "Install all-the-icons fonts if needed and we have a GUI." + (when (and (env-gui-p) + (not (cj/font-installed-p "all-the-icons"))) + (all-the-icons-install-fonts t) + ;; Remove this hook after successful installation + (remove-hook 'server-after-make-frame-hook #'cj/maybe-install-all-the-icons-fonts))) + (use-package all-the-icons :demand t :config - ;; Check for font installation after frame creation - (defun cj/maybe-install-all-the-icons-fonts (&optional _frame) - "Install all-the-icons fonts if needed and we have a GUI." - (when (and (env-gui-p) - (not (cj/font-installed-p "all-the-icons"))) - (all-the-icons-install-fonts t) - ;; Remove this hook after successful installation - (remove-hook 'server-after-make-frame-hook #'cj/maybe-install-all-the-icons-fonts))) - ;; Handle both daemon and non-daemon modes (if (daemonp) - (add-hook 'server-after-make-frame-hook #'cj/maybe-install-all-the-icons-fonts) - (cj/maybe-install-all-the-icons-fonts))) + (add-hook 'server-after-make-frame-hook #'cj/maybe-install-all-the-icons-fonts) + (cj/maybe-install-all-the-icons-fonts))) (use-package all-the-icons-nerd-fonts :after all-the-icons diff --git a/tests/test-font-config--frame-lifecycle.el b/tests/test-font-config--frame-lifecycle.el new file mode 100644 index 000000000..826edbd69 --- /dev/null +++ b/tests/test-font-config--frame-lifecycle.el @@ -0,0 +1,75 @@ +;;; test-font-config--frame-lifecycle.el --- Tests for the lifted font frame helpers -*- lexical-binding: t; -*- + +;;; Commentary: +;; cj/apply-font-settings-to-frame, cj/cleanup-frame-list, and +;; cj/maybe-install-all-the-icons-fonts were defined inside use-package +;; :config / with-eval-after-load (unreachable under `make test'). Lifting +;; them to top level makes their branching unit-testable; env-gui-p and the +;; package side-effect calls are mocked at the boundary. + +;;; Code: + +(require 'ert) +(require 'cl-lib) + +(add-to-list 'load-path (expand-file-name "modules" user-emacs-directory)) +(require 'font-config) + +(defvar cj/fontaine-configured-frames) + +(ert-deftest test-font-cleanup-frame-list-removes-frame () + "Normal: cleanup drops the given frame from the configured list." + (let ((cj/fontaine-configured-frames '(fr1 fr2 fr3))) + (cj/cleanup-frame-list 'fr2) + (should (equal cj/fontaine-configured-frames '(fr1 fr3))))) + +(ert-deftest test-font-apply-gui-unconfigured-sets-preset () + "Normal: a GUI frame not yet configured gets the preset and is tracked." + (let ((cj/fontaine-configured-frames nil) + (called nil)) + (cl-letf (((symbol-function 'env-gui-p) (lambda () t)) + ((symbol-function 'fontaine-set-preset) (lambda (_p) (setq called t)))) + (cj/apply-font-settings-to-frame (selected-frame))) + (should called) + (should (member (selected-frame) cj/fontaine-configured-frames)))) + +(ert-deftest test-font-apply-already-configured-is-noop () + "Boundary: an already-configured frame is not re-preset." + (let ((cj/fontaine-configured-frames (list (selected-frame))) + (called nil)) + (cl-letf (((symbol-function 'env-gui-p) (lambda () t)) + ((symbol-function 'fontaine-set-preset) (lambda (_p) (setq called t)))) + (cj/apply-font-settings-to-frame (selected-frame))) + (should-not called))) + +(ert-deftest test-font-apply-non-gui-is-noop () + "Boundary: without a GUI nothing is applied or tracked." + (let ((cj/fontaine-configured-frames nil) + (called nil)) + (cl-letf (((symbol-function 'env-gui-p) (lambda () nil)) + ((symbol-function 'fontaine-set-preset) (lambda (_p) (setq called t)))) + (cj/apply-font-settings-to-frame (selected-frame))) + (should-not called) + (should-not (member (selected-frame) cj/fontaine-configured-frames)))) + +(ert-deftest test-font-maybe-install-icons-gui-missing-installs () + "Normal: GUI present and font missing triggers the install." + (let ((installed nil)) + (cl-letf (((symbol-function 'env-gui-p) (lambda () t)) + ((symbol-function 'cj/font-installed-p) (lambda (_n) nil)) + ((symbol-function 'all-the-icons-install-fonts) (lambda (&rest _) (setq installed t))) + ((symbol-function 'remove-hook) #'ignore)) + (cj/maybe-install-all-the-icons-fonts)) + (should installed))) + +(ert-deftest test-font-maybe-install-icons-already-present-skips () + "Boundary: an installed font means no install attempt." + (let ((installed nil)) + (cl-letf (((symbol-function 'env-gui-p) (lambda () t)) + ((symbol-function 'cj/font-installed-p) (lambda (_n) t)) + ((symbol-function 'all-the-icons-install-fonts) (lambda (&rest _) (setq installed t)))) + (cj/maybe-install-all-the-icons-fonts)) + (should-not installed))) + +(provide 'test-font-config--frame-lifecycle) +;;; test-font-config--frame-lifecycle.el ends here |