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Diffstat (limited to 'tests/test-cj-window-toggle-lib.el')
| -rw-r--r-- | tests/test-cj-window-toggle-lib.el | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/tests/test-cj-window-toggle-lib.el b/tests/test-cj-window-toggle-lib.el new file mode 100644 index 00000000..2c4ea831 --- /dev/null +++ b/tests/test-cj-window-toggle-lib.el @@ -0,0 +1,188 @@ +;;; test-cj-window-toggle-lib.el --- Tests for shared toggle-state helpers -*- lexical-binding: t; -*- + +;;; Commentary: +;; cj-window-toggle-lib.el provides parameterized capture-state and +;; display-saved helpers shared by ai-vterm.el (F9) and +;; eshell-vterm-config.el (F12). Each consumer holds its own pair of +;; state variables (last-direction symbol + last-size integer/float) +;; and passes the variable symbols to the helpers. These tests cover +;; the helpers in isolation against a fresh pair of test-only vars. + +;;; Code: + +(require 'ert) +(require 'cl-lib) + +(add-to-list 'load-path (expand-file-name "modules" user-emacs-directory)) +(require 'cj-window-toggle-lib) + +(defvar test-cj-window-toggle--last-direction nil) +(defvar test-cj-window-toggle--last-size nil) + +(ert-deftest test-cj-window-toggle-capture-records-right-split () + "Normal: right-split window writes direction=right and integer body-cols." + (save-window-excursion + (delete-other-windows) + (let ((right (split-window (selected-window) nil 'right)) + (test-cj-window-toggle--last-direction nil) + (test-cj-window-toggle--last-size nil)) + (cj/window-toggle-capture-state + right 'right + 'test-cj-window-toggle--last-direction + 'test-cj-window-toggle--last-size) + (should (eq test-cj-window-toggle--last-direction 'right)) + (should (integerp test-cj-window-toggle--last-size)) + (should (= test-cj-window-toggle--last-size + (window-body-width right)))))) + +(ert-deftest test-cj-window-toggle-capture-records-below-split () + "Normal: below-split window writes direction=below and integer body-lines." + (save-window-excursion + (delete-other-windows) + (let ((below (split-window (selected-window) nil 'below)) + (test-cj-window-toggle--last-direction nil) + (test-cj-window-toggle--last-size nil)) + (cj/window-toggle-capture-state + below 'below + 'test-cj-window-toggle--last-direction + 'test-cj-window-toggle--last-size) + (should (eq test-cj-window-toggle--last-direction 'below)) + (should (integerp test-cj-window-toggle--last-size)) + (should (= test-cj-window-toggle--last-size + (window-body-height below)))))) + +(ert-deftest test-cj-window-toggle-capture-falls-back-to-default-direction () + "Boundary: window filling the frame uses the supplied default direction." + (save-window-excursion + (delete-other-windows) + (let ((root (selected-window)) + (test-cj-window-toggle--last-direction nil) + (test-cj-window-toggle--last-size nil)) + (cj/window-toggle-capture-state + root 'below + 'test-cj-window-toggle--last-direction + 'test-cj-window-toggle--last-size) + (should (eq test-cj-window-toggle--last-direction 'below))))) + +(ert-deftest test-cj-window-toggle-capture-noop-on-nil-window () + "Error: nil window leaves both state vars unchanged." + (let ((test-cj-window-toggle--last-direction 'sentinel-dir) + (test-cj-window-toggle--last-size 0.123)) + (cj/window-toggle-capture-state + nil 'right + 'test-cj-window-toggle--last-direction + 'test-cj-window-toggle--last-size) + (should (eq test-cj-window-toggle--last-direction 'sentinel-dir)) + (should (= test-cj-window-toggle--last-size 0.123)))) + +(ert-deftest test-cj-window-toggle-capture-noop-on-deleted-window () + "Error: a deleted window leaves both state vars unchanged." + (let ((test-cj-window-toggle--last-direction 'sentinel-dir) + (test-cj-window-toggle--last-size 0.123) + (dead (save-window-excursion + (delete-other-windows) + (let ((w (split-window (selected-window) nil 'right))) + (delete-window w) + w)))) + (cj/window-toggle-capture-state + dead 'right + 'test-cj-window-toggle--last-direction + 'test-cj-window-toggle--last-size) + (should (eq test-cj-window-toggle--last-direction 'sentinel-dir)) + (should (= test-cj-window-toggle--last-size 0.123)))) + +(ert-deftest test-cj-window-toggle-display-saved-uses-defaults-when-state-nil () + "Normal: nil state -> direction=edge of default, size=default." + (let (received-alist + (test-cj-window-toggle--last-direction nil) + (test-cj-window-toggle--last-size nil)) + (cl-letf (((symbol-function 'display-buffer-in-direction) + (lambda (_b a) (setq received-alist a) 'fake-window))) + (cj/window-toggle-display-saved + 'fake-buf + '((inhibit-same-window . t)) + 'test-cj-window-toggle--last-direction + 'below + 'test-cj-window-toggle--last-size + 0.7)) + (should (eq (cdr (assq 'direction received-alist)) 'bottom)) + (should (= (cdr (assq 'window-height received-alist)) 0.7)) + (should (eq (cdr (assq 'inhibit-same-window received-alist)) t)))) + +(ert-deftest test-cj-window-toggle-display-saved-maps-below-to-bottom () + "Normal: saved below + integer size -> bottom edge, body-lines cons." + (let (received-alist + (test-cj-window-toggle--last-direction 'below) + (test-cj-window-toggle--last-size 12)) + (cl-letf (((symbol-function 'display-buffer-in-direction) + (lambda (_b a) (setq received-alist a) 'fake-window))) + (cj/window-toggle-display-saved + 'fake-buf nil + 'test-cj-window-toggle--last-direction + 'below + 'test-cj-window-toggle--last-size + 0.7)) + (should (eq (cdr (assq 'direction received-alist)) 'bottom)) + (should (equal (cdr (assq 'window-height received-alist)) + '(body-lines . 12))) + (should-not (assq 'window-width received-alist)))) + +(ert-deftest test-cj-window-toggle-display-saved-maps-right-to-rightmost () + "Normal: saved right + integer size -> rightmost edge, body-columns cons." + (let (received-alist + (test-cj-window-toggle--last-direction 'right) + (test-cj-window-toggle--last-size 80)) + (cl-letf (((symbol-function 'display-buffer-in-direction) + (lambda (_b a) (setq received-alist a) 'fake-window))) + (cj/window-toggle-display-saved + 'fake-buf nil + 'test-cj-window-toggle--last-direction + 'right + 'test-cj-window-toggle--last-size + 0.5)) + (should (eq (cdr (assq 'direction received-alist)) 'rightmost)) + (should (equal (cdr (assq 'window-width received-alist)) + '(body-columns . 80))) + (should-not (assq 'window-height received-alist)))) + +(ert-deftest test-cj-window-toggle-display-saved-strips-conflicting-entries () + "Boundary: caller-supplied direction/size are removed; saved values win." + (let (received-alist + (test-cj-window-toggle--last-direction 'right) + (test-cj-window-toggle--last-size 30)) + (cl-letf (((symbol-function 'display-buffer-in-direction) + (lambda (_b a) (setq received-alist a) 'fake-window))) + (cj/window-toggle-display-saved + 'fake-buf + '((direction . above) + (window-width . 0.2) + (window-height . 0.3) + (inhibit-same-window . t)) + 'test-cj-window-toggle--last-direction + 'right + 'test-cj-window-toggle--last-size + 0.5)) + (should (eq (cdr (assq 'direction received-alist)) 'rightmost)) + (should (equal (cdr (assq 'window-width received-alist)) + '(body-columns . 30))) + (should-not (assq 'window-height received-alist)) + (should (eq (cdr (assq 'inhibit-same-window received-alist)) t)))) + +(ert-deftest test-cj-window-toggle-display-saved-passes-float-size-through () + "Boundary: float size passes through as a fraction (no body-N wrapping)." + (let (received-alist + (test-cj-window-toggle--last-direction 'below) + (test-cj-window-toggle--last-size nil)) + (cl-letf (((symbol-function 'display-buffer-in-direction) + (lambda (_b a) (setq received-alist a) 'fake-window))) + (cj/window-toggle-display-saved + 'fake-buf nil + 'test-cj-window-toggle--last-direction + 'below + 'test-cj-window-toggle--last-size + 0.4)) + (should (eq (cdr (assq 'direction received-alist)) 'bottom)) + (should (= (cdr (assq 'window-height received-alist)) 0.4)))) + +(provide 'test-cj-window-toggle-lib) +;;; test-cj-window-toggle-lib.el ends here |