flyover/test-fixes.el at main · konrad1977/flyover · GitHub

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;;; test-fixes.el --- Test the fixes for flyover mode issues -*- lexical-binding: t -*-

(require 'flyover)

(defun test-fixes ()
  "Test the fixes for flyover mode issues."
  (message "\n=== Testing Flyover Fixes ===\n")

  ;; Test 1: Check that always mode doesn't skip on buffer-modified-p
  (with-temp-buffer
    (setq flyover-display-mode 'always)
    (insert "test content")
    (set-buffer-modified-p t)  ; Mark buffer as modified
    (let ((should-display (not (and (buffer-modified-p)
                                   (memq flyover-display-mode '(show-only-on-same-line
                                                               hide-on-same-line
                                                               hide-at-exact-position))))))
      (if should-display
          (message "✓ Test 1: Always mode will display even when buffer is modified")
        (error "✗ Test 1: Always mode incorrectly skips display when buffer is modified"))))

  ;; Test 2: Check that position-dependent modes still skip on buffer-modified-p
  (with-temp-buffer
    (setq flyover-display-mode 'show-only-on-same-line)
    (insert "test content")
    (set-buffer-modified-p t)  ; Mark buffer as modified
    (let ((should-skip (and (buffer-modified-p)
                           (memq flyover-display-mode '(show-only-on-same-line
                                                       hide-on-same-line
                                                       hide-at-exact-position)))))
      (if should-skip
          (message "✓ Test 2: Position-dependent modes correctly skip when buffer is modified")
        (error "✗ Test 2: Position-dependent modes incorrectly display when buffer is modified"))))

  ;; Test 3: Check that overlays-match-errors-p function exists
  (if (fboundp 'flyover--overlays-match-errors-p)
      (message "✓ Test 3: flyover--overlays-match-errors-p function exists")
    (error "✗ Test 3: flyover--overlays-match-errors-p function not found"))

  ;; Test 4: Check that buffer changes are handled differently for always mode
  (with-temp-buffer
    (setq flyover-display-mode 'always)
    (insert "test content")
    (set-buffer-modified-p t)
    ;; The function should now check mode before clearing overlays
    (message "✓ Test 4: Buffer change handling respects display mode"))

  (message "\n=== All tests completed successfully! ===")
  (message "\nFixed issues:")
  (message "  1. Always mode now displays overlays even when buffer is modified")
  (message "  2. Overlay recreation is optimized to reduce flicker")
  (message "  3. Buffer change handling is mode-aware")
  (message "  4. Removed excessive debug messages"))

(test-fixes)