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Diffstat (limited to 'tests/test-ai-vterm--reuse-edge-window.el')
| -rw-r--r-- | tests/test-ai-vterm--reuse-edge-window.el | 272 |
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diff --git a/tests/test-ai-vterm--reuse-edge-window.el b/tests/test-ai-vterm--reuse-edge-window.el new file mode 100644 index 00000000..a7009423 --- /dev/null +++ b/tests/test-ai-vterm--reuse-edge-window.el @@ -0,0 +1,272 @@ +;;; test-ai-vterm--reuse-edge-window.el --- Tests for edge-window reuse -*- lexical-binding: t; -*- + +;;; Commentary: +;; `cj/--ai-vterm-reuse-edge-window' is the display-buffer action that +;; reuses the window already forming the half the agent would occupy +;; (the right column on a desktop, the bottom row on a laptop) instead +;; of splitting a third window in. It runs between +;; `cj/--ai-vterm-reuse-existing-agent' and `cj/--ai-vterm-display-saved' +;; in the rule chain. +;; +;; Regression target (Craig, 2026-05-24): a frame already split into two +;; windows + F9 produced three windows with the agent wedged in instead +;; of taking the existing half. These tests assert the window *count* +;; stays put -- the dimension the older display-saved tests never checked. +;; +;; Tests build real windows (split-window) and route a fresh agent buffer +;; through the actual `cj/--ai-vterm-display-rule-list', the same pattern +;; as test-ai-vterm--display-saved.el. + +;;; Code: + +(require 'ert) +(require 'cl-lib) + +(add-to-list 'load-path (expand-file-name "modules" user-emacs-directory)) +(add-to-list 'load-path (expand-file-name "tests" user-emacs-directory)) +(require 'ai-vterm) +(require 'testutil-vterm-buffers) + +(defun cj/test--displayed-buffer-names () + "Return the buffer names shown in the selected frame, left/top to right/bottom." + (mapcar (lambda (w) (buffer-name (window-buffer w))) + (window-list nil 'never))) + +(ert-deftest test-ai-vterm--reuse-edge-window-2col-desktop-no-third-window () + "Normal: F9 in a 2-column split reuses the right column, no third window. +Desktop default direction is `right', so the agent takes the existing +right half: the frame stays at two windows [left | agent]." + (cj/test--kill-agent-buffers) + (let ((agent-name "agent [edge-2col]") + (left-name "*test-edge-left*") + (right-name "*test-edge-right*") + (cj/--ai-vterm-last-direction nil) + (cj/--ai-vterm-last-size nil)) + (unwind-protect + (save-window-excursion + (delete-other-windows) + (cl-letf (((symbol-function 'env-laptop-p) (lambda () nil))) + (let ((left-buf (get-buffer-create left-name)) + (right-buf (get-buffer-create right-name)) + (agent-buf (get-buffer-create agent-name))) + (set-window-buffer (selected-window) left-buf) + (let ((rw (split-window (selected-window) nil 'right))) + (set-window-buffer rw right-buf)) + (let ((display-buffer-alist (cj/--ai-vterm-display-rule-list))) + (display-buffer agent-buf)) + (should (= (count-windows) 2)) + (let ((bufs (cj/test--displayed-buffer-names))) + (should (member agent-name bufs)) + (should (member left-name bufs)) + ;; the right column now holds the agent, not the old buffer + (should-not (member right-name bufs)))))) + (when (get-buffer left-name) (kill-buffer left-name)) + (when (get-buffer right-name) (kill-buffer right-name)) + (cj/test--kill-agent-buffers)))) + +(ert-deftest test-ai-vterm--reuse-edge-window-2row-laptop-no-third-window () + "Normal: F9 in a 2-row split on a laptop reuses the bottom row. +Laptop default direction is `below', so the agent takes the existing +bottom half: the frame stays at two windows." + (cj/test--kill-agent-buffers) + (let ((agent-name "agent [edge-2row]") + (top-name "*test-edge-top*") + (bottom-name "*test-edge-bottom*") + (cj/--ai-vterm-last-direction nil) + (cj/--ai-vterm-last-size nil)) + (unwind-protect + (save-window-excursion + (delete-other-windows) + (cl-letf (((symbol-function 'env-laptop-p) (lambda () t))) + (let ((top-buf (get-buffer-create top-name)) + (bottom-buf (get-buffer-create bottom-name)) + (agent-buf (get-buffer-create agent-name))) + (set-window-buffer (selected-window) top-buf) + (let ((bw (split-window (selected-window) nil 'below))) + (set-window-buffer bw bottom-buf)) + (let ((display-buffer-alist (cj/--ai-vterm-display-rule-list))) + (display-buffer agent-buf)) + (should (= (count-windows) 2)) + (let ((bufs (cj/test--displayed-buffer-names))) + (should (member agent-name bufs)) + (should (member top-name bufs)) + (should-not (member bottom-name bufs)))))) + (when (get-buffer top-name) (kill-buffer top-name)) + (when (get-buffer bottom-name) (kill-buffer bottom-name)) + (cj/test--kill-agent-buffers)))) + +(ert-deftest test-ai-vterm--reuse-edge-window-single-window-splits () + "Boundary: a single-window frame still splits to create the half. +No existing edge window to reuse, so the display-saved path runs and +the frame goes from one window to two with the agent present." + (cj/test--kill-agent-buffers) + (let ((agent-name "agent [edge-single]") + (sole-name "*test-edge-sole*") + (cj/--ai-vterm-last-direction nil) + (cj/--ai-vterm-last-size nil)) + (unwind-protect + (save-window-excursion + (delete-other-windows) + (cl-letf (((symbol-function 'env-laptop-p) (lambda () nil))) + (let ((sole-buf (get-buffer-create sole-name)) + (agent-buf (get-buffer-create agent-name))) + (set-window-buffer (selected-window) sole-buf) + (let ((display-buffer-alist (cj/--ai-vterm-display-rule-list))) + (display-buffer agent-buf)) + (should (= (count-windows) 2)) + (should (member agent-name (cj/test--displayed-buffer-names)))))) + (when (get-buffer sole-name) (kill-buffer sole-name)) + (cj/test--kill-agent-buffers)))) + +(ert-deftest test-ai-vterm--reuse-edge-window-axis-mismatch-falls-through () + "Error/Boundary: a top/bottom split on a desktop has no right half. +Desktop direction is `right' but the frame is split horizontally, so no +single full-height right column exists to reuse. The chain falls +through to display-saved, which splits a right column -- agent still +ends up displayed." + (cj/test--kill-agent-buffers) + (let ((agent-name "agent [edge-mismatch]") + (top-name "*test-edge-mm-top*") + (bottom-name "*test-edge-mm-bottom*") + (cj/--ai-vterm-last-direction nil) + (cj/--ai-vterm-last-size nil)) + (unwind-protect + (save-window-excursion + (delete-other-windows) + (cl-letf (((symbol-function 'env-laptop-p) (lambda () nil))) + (let ((top-buf (get-buffer-create top-name)) + (bottom-buf (get-buffer-create bottom-name)) + (agent-buf (get-buffer-create agent-name))) + (set-window-buffer (selected-window) top-buf) + (let ((bw (split-window (selected-window) nil 'below))) + (set-window-buffer bw bottom-buf)) + (let ((display-buffer-alist (cj/--ai-vterm-display-rule-list))) + (display-buffer agent-buf)) + ;; No half to reuse, so a fresh column is split: three windows. + (should (member agent-name (cj/test--displayed-buffer-names))) + (should (member top-name (cj/test--displayed-buffer-names))) + (should (member bottom-name (cj/test--displayed-buffer-names)))))) + (when (get-buffer top-name) (kill-buffer top-name)) + (when (get-buffer bottom-name) (kill-buffer bottom-name)) + (cj/test--kill-agent-buffers)))) + +(ert-deftest test-ai-vterm--reuse-edge-window-toggle-off-restores-displaced () + "Normal: toggle-off after a slot reuse restores the displaced buffer. +=| 1 | 2 |= + show agent -> =| 1 | A |=; toggle off -> =| 1 | 2 |= again, +window count stays 2 (the native `quit-restore-window' puts 2 back)." + (cj/test--kill-agent-buffers) + (let ((agent-name "agent [edge-restore]") + (left-name "*test-restore-left*") + (right-name "*test-restore-right*") + (cj/--ai-vterm-last-direction nil) + (cj/--ai-vterm-last-size nil)) + (unwind-protect + (save-window-excursion + (delete-other-windows) + (cl-letf (((symbol-function 'env-laptop-p) (lambda () nil))) + (let ((left-buf (get-buffer-create left-name)) + (right-buf (get-buffer-create right-name)) + (agent-buf (get-buffer-create agent-name))) + (set-window-buffer (selected-window) left-buf) + (let ((rw (split-window (selected-window) nil 'right))) + (set-window-buffer rw right-buf)) + (let ((display-buffer-alist (cj/--ai-vterm-display-rule-list))) + (display-buffer agent-buf) + (should (= (count-windows) 2)) + (should (member agent-name (cj/test--displayed-buffer-names))) + ;; Toggle off -> the displaced buffer (2) returns to the slot. + (cj/ai-vterm) + (should (= (count-windows) 2)) + (let ((bufs (cj/test--displayed-buffer-names))) + (should (member right-name bufs)) + (should (member left-name bufs)) + (should-not (member agent-name bufs))))))) + (when (get-buffer left-name) (kill-buffer left-name)) + (when (get-buffer right-name) (kill-buffer right-name)) + (cj/test--kill-agent-buffers)))) + +(ert-deftest test-ai-vterm--reuse-edge-window-cycle-keeps-count-and-swaps () + "Normal: on/off/on cycle keeps the window count at 2 and swaps the slot. +=| 1 | 2 |= -> on =| 1 | A |= -> off =| 1 | 2 |= -> on =| 1 | A |=, never +creating or deleting a window, and the agent returns to the same slot at +the same width." + (cj/test--kill-agent-buffers) + (let ((agent-name "agent [edge-cycle]") + (left-name "*test-cycle-left*") + (right-name "*test-cycle-right*") + (cj/--ai-vterm-last-direction nil) + (cj/--ai-vterm-last-size nil)) + (unwind-protect + (save-window-excursion + (delete-other-windows) + (cl-letf (((symbol-function 'env-laptop-p) (lambda () nil))) + (let ((left-buf (get-buffer-create left-name)) + (right-buf (get-buffer-create right-name)) + (agent-buf (get-buffer-create agent-name)) + slot-width) + (set-window-buffer (selected-window) left-buf) + (let ((rw (split-window (selected-window) nil 'right))) + (set-window-buffer rw right-buf) + (setq slot-width (window-body-width rw))) + (let ((display-buffer-alist (cj/--ai-vterm-display-rule-list))) + ;; on + (display-buffer agent-buf) + (should (= (count-windows) 2)) + ;; off + (cj/ai-vterm) + (should (= (count-windows) 2)) + (should-not (cj/--ai-vterm-displayed-agent-window)) + ;; on again + (cj/ai-vterm) + (should (= (count-windows) 2)) + (let ((win (cj/--ai-vterm-displayed-agent-window))) + (should (windowp win)) + (should (eq (window-buffer win) agent-buf)) + ;; reused the same slot -> same body width as the + ;; original right column + (should (= (window-body-width win) slot-width))) + (should-not (member right-name (cj/test--displayed-buffer-names))))))) + (when (get-buffer left-name) (kill-buffer left-name)) + (when (get-buffer right-name) (kill-buffer right-name)) + (cj/test--kill-agent-buffers)))) + +(ert-deftest test-ai-vterm--reuse-edge-window-toggle-keeps-same-agent-with-multiple () + "Regression: with two agents alive, toggle-off then on restores the SAME +agent, not a different one. Toggle-off must not bury the agent to the end +of the buffer list -- if it does, `cj/--ai-vterm-dispatch' re-shows the +most-recent agent, which would now be the other one." + (cj/test--kill-agent-buffers) + (let ((a1-name "agent [multi-1]") + (a2-name "agent [multi-2]") + (left-name "*test-multi-left*") + (right-name "*test-multi-right*") + (cj/--ai-vterm-last-direction nil) + (cj/--ai-vterm-last-size nil)) + (unwind-protect + (save-window-excursion + (delete-other-windows) + (cl-letf (((symbol-function 'env-laptop-p) (lambda () nil))) + (let ((a1 (get-buffer-create a1-name)) + (a2 (get-buffer-create a2-name)) + (left-buf (get-buffer-create left-name)) + (right-buf (get-buffer-create right-name))) + ;; Make A2 the most-recent agent. + (bury-buffer a1) + (set-window-buffer (selected-window) left-buf) + (let ((rw (split-window (selected-window) nil 'right))) + (set-window-buffer rw right-buf)) + (let ((display-buffer-alist (cj/--ai-vterm-display-rule-list))) + (display-buffer a2) ; | left | A2 | + (should (eq (window-buffer (cj/--ai-vterm-displayed-agent-window)) + a2)) + (cj/ai-vterm) ; off -> | left | right | + (should-not (cj/--ai-vterm-displayed-agent-window)) + (cj/ai-vterm) ; on -> must bring A2 back + (should (eq (window-buffer (cj/--ai-vterm-displayed-agent-window)) + a2)))))) + (when (get-buffer left-name) (kill-buffer left-name)) + (when (get-buffer right-name) (kill-buffer right-name)) + (cj/test--kill-agent-buffers)))) + +(provide 'test-ai-vterm--reuse-edge-window) +;;; test-ai-vterm--reuse-edge-window.el ends here |