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;;; test-ai-conversations-browser.el --- Tests for ai-conversations-browser -*- lexical-binding: t; -*-
;;; Commentary:
;; Tests for the saved-conversations browser. Pure helpers (topic
;; parsing, header stripping, preview, rename target) are tested
;; against fixed inputs. File-touching actions (load / delete /
;; rename) are tested against a temp conversations directory.
;;; Code:
(require 'ert)
(require 'cl-lib)
(add-to-list 'load-path (expand-file-name "tests" user-emacs-directory))
(add-to-list 'load-path (expand-file-name "modules" user-emacs-directory))
(require 'testutil-ai-config)
;; Force real ai-conversations to override testutil's stub.
(setq features (delq 'ai-conversations features))
(require 'ai-conversations)
(require 'ai-conversations-browser)
;; ----------------------------- temp-dir helper
(defun test-ai-conversations-browser--with-temp-dir (fn)
"Run FN inside a fresh conversations directory. Clean up after."
(let* ((dir (make-temp-file "test-ai-conversations-browser-" t))
(cj/gptel-conversations-directory dir))
(unwind-protect
(funcall fn dir)
(when (file-exists-p dir)
(delete-directory dir t)))))
(defun test-ai-conversations-browser--write (dir name content)
"Write CONTENT to NAME in DIR. Return the absolute path."
(let ((path (expand-file-name name dir)))
(with-temp-file path (insert content))
path))
;; ----------------------------- topic-from-filename
(ert-deftest test-ai-conversations-browser-topic-normal ()
"Normal: topic slug extracted from a well-formed filename."
(should (equal (cj/gptel-browser--topic-from-filename
"my-topic_20260315-101530.gptel")
"my-topic")))
(ert-deftest test-ai-conversations-browser-topic-error-malformed ()
"Boundary: malformed filename returns nil."
(should-not (cj/gptel-browser--topic-from-filename "garbage.gptel"))
(should-not (cj/gptel-browser--topic-from-filename "topic.gptel"))
(should-not (cj/gptel-browser--topic-from-filename "topic_20260315.gptel")))
;; ----------------------------- strip-headers
(ert-deftest test-ai-conversations-browser-strip-headers-normal ()
"Strip the two visibility headers plus the blank line after them."
(should (equal (cj/gptel-browser--strip-headers
"#+STARTUP: showeverything\n#+VISIBILITY: all\n\nrest\n")
"rest\n")))
(ert-deftest test-ai-conversations-browser-strip-headers-no-headers ()
"Boundary: input without headers is unchanged."
(should (equal (cj/gptel-browser--strip-headers "plain body\n")
"plain body\n")))
;; ----------------------------- last-message
(ert-deftest test-ai-conversations-browser-last-message-normal ()
"Last-message picks the body of the last org heading."
(let ((text "* user [2026-01-01]\nhello there\n* AI [2026-01-01]\nthe latest reply\n"))
(should (equal (cj/gptel-browser--last-message text)
"the latest reply"))))
(ert-deftest test-ai-conversations-browser-last-message-no-heading ()
"Boundary: text without headings returns the (collapsed) body."
(let ((text "just some body\nwith two lines\n"))
(should (equal (cj/gptel-browser--last-message text)
"just some body with two lines"))))
;; ----------------------------- preview
(ert-deftest test-ai-conversations-browser-preview-truncates ()
"Preview is ellipsized when the message is longer than LENGTH."
(let ((text "* AI\nthis is a very long response that should get truncated for the preview\n"))
(let ((preview (cj/gptel-browser--preview text 30)))
(should (= (length preview) 30))
(should (string-suffix-p "…" preview)))))
(ert-deftest test-ai-conversations-browser-preview-short ()
"Preview is returned verbatim when shorter than LENGTH."
(let ((text "* AI\nshort\n"))
(should (equal (cj/gptel-browser--preview text 60) "short"))))
(ert-deftest test-ai-conversations-browser-preview-empty ()
"Preview of empty body returns empty string."
(should (equal (cj/gptel-browser--preview "" 60) "")))
;; ----------------------------- row-for-file
(ert-deftest test-ai-conversations-browser-row-for-file-normal ()
"Row contains date, topic, and a preview; carries file metadata."
(test-ai-conversations-browser--with-temp-dir
(lambda (dir)
(let ((file (test-ai-conversations-browser--write
dir "alpha_20260315-101530.gptel"
"#+STARTUP: showeverything\n\n* AI\nresult body\n")))
(let ((row (cj/gptel-browser--row-for-file file dir)))
(should row)
(should (string-match-p "2026-03-15 10:15" row))
(should (string-match-p "alpha" row))
(should (string-match-p "result body" row))
(should (equal (get-text-property 0 'cj/gptel-browser-file row)
"alpha_20260315-101530.gptel")))))))
(ert-deftest test-ai-conversations-browser-row-for-file-non-conversation ()
"Files that don't match the conversation pattern return nil."
(test-ai-conversations-browser--with-temp-dir
(lambda (dir)
(let ((file (test-ai-conversations-browser--write
dir "not-a-conversation.gptel" "body")))
(should-not (cj/gptel-browser--row-for-file file dir))))))
;; ----------------------------- rows / render
(ert-deftest test-ai-conversations-browser-rows-from-empty-dir ()
"Empty conversations directory yields no rows."
(test-ai-conversations-browser--with-temp-dir
(lambda (_dir)
(should-not (cj/gptel-browser--rows)))))
(ert-deftest test-ai-conversations-browser-rows-multiple-conversations ()
"Multiple conversations produce a row per file."
(test-ai-conversations-browser--with-temp-dir
(lambda (dir)
(test-ai-conversations-browser--write
dir "a_20260101-100000.gptel" "* AI\nfirst\n")
(test-ai-conversations-browser--write
dir "b_20260102-100000.gptel" "* AI\nsecond\n")
(let ((rows (cj/gptel-browser--rows)))
(should (= 2 (length rows)))))))
(ert-deftest test-ai-conversations-browser-render-empty ()
"Render shows a 'no conversations' line when directory is empty."
(test-ai-conversations-browser--with-temp-dir
(lambda (_dir)
(with-temp-buffer
(cj/gptel-browser-mode)
(cj/gptel-browser--render)
(should (string-match-p "no saved conversations" (buffer-string)))))))
(ert-deftest test-ai-conversations-browser-render-newest-first ()
"Render sorts rows newest first by timestamp."
(test-ai-conversations-browser--with-temp-dir
(lambda (dir)
(test-ai-conversations-browser--write
dir "old_20260101-100000.gptel" "* AI\nx\n")
(test-ai-conversations-browser--write
dir "new_20260301-100000.gptel" "* AI\ny\n")
(with-temp-buffer
(cj/gptel-browser-mode)
(cj/gptel-browser--render)
(let ((text (buffer-substring-no-properties (point-min) (point-max))))
;; New (March) should appear before old (January) in the buffer.
(should (< (string-match "2026-03-01" text)
(string-match "2026-01-01" text))))))))
;; ----------------------------- rename-target
(ert-deftest test-ai-conversations-browser-rename-target-normal ()
"Rename-target preserves the timestamp and slugifies the new topic."
(should (equal (cj/gptel-browser--rename-target
"/tmp/old-topic_20260101-100000.gptel"
"Brand New Topic")
"/tmp/brand-new-topic_20260101-100000.gptel")))
(ert-deftest test-ai-conversations-browser-rename-target-error-no-timestamp ()
"Rename-target errors when the filename lacks a timestamp."
(should-error (cj/gptel-browser--rename-target "/tmp/no-ts.gptel" "x")))
;; ----------------------------- delete / rename actions
(ert-deftest test-ai-conversations-browser-delete-removes-file ()
"Delete with y removes the file under point and re-renders."
(test-ai-conversations-browser--with-temp-dir
(lambda (dir)
(let ((file (test-ai-conversations-browser--write
dir "topic_20260101-100000.gptel" "* AI\nx\n")))
(with-temp-buffer
(cj/gptel-browser-mode)
(cj/gptel-browser--render)
;; Point on the only data row
(goto-char (point-min))
(forward-line 2)
(cl-letf (((symbol-function 'y-or-n-p) (lambda (&rest _) t)))
(cj/gptel-browser-delete))
(should-not (file-exists-p file)))))))
(ert-deftest test-ai-conversations-browser-delete-cancel-keeps-file ()
"Delete with n leaves the file alone."
(test-ai-conversations-browser--with-temp-dir
(lambda (dir)
(let ((file (test-ai-conversations-browser--write
dir "topic_20260101-100000.gptel" "* AI\nx\n")))
(with-temp-buffer
(cj/gptel-browser-mode)
(cj/gptel-browser--render)
(goto-char (point-min))
(forward-line 2)
(cl-letf (((symbol-function 'y-or-n-p) (lambda (&rest _) nil)))
(cj/gptel-browser-delete))
(should (file-exists-p file)))))))
(ert-deftest test-ai-conversations-browser-rename-renames-file ()
"Rename moves the file under a new slug while preserving timestamp."
(test-ai-conversations-browser--with-temp-dir
(lambda (dir)
(let* ((file (test-ai-conversations-browser--write
dir "old-name_20260101-100000.gptel" "* AI\nx\n")))
(with-temp-buffer
(cj/gptel-browser-mode)
(cj/gptel-browser--render)
(goto-char (point-min))
(forward-line 2)
(cl-letf (((symbol-function 'read-string)
(lambda (&rest _) "renamed topic")))
(cj/gptel-browser-rename))
(should-not (file-exists-p file))
(should (file-exists-p
(expand-file-name "renamed-topic_20260101-100000.gptel"
dir))))))))
(ert-deftest test-ai-conversations-browser-rename-error-on-empty-line ()
"Rename errors when point is on the header/empty area."
(test-ai-conversations-browser--with-temp-dir
(lambda (_dir)
(with-temp-buffer
(cj/gptel-browser-mode)
(cj/gptel-browser--render)
(goto-char (point-min))
(should-error (cj/gptel-browser-rename))))))
(provide 'test-ai-conversations-browser)
;;; test-ai-conversations-browser.el ends here
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