+
+(defadvice notmuch-search-process-filter (around pessimal activate disable)
+ "Feed notmuch-search-process-filter one character at a time."
+ (let ((string (ad-get-arg 1)))
+ (loop for char across string
+ do (progn
+ (ad-set-arg 1 (char-to-string char))
+ ad-do-it))))
+
+(defun notmuch-test-mark-links ()
+ "Enclose links in the current buffer with << and >>."
+ ;; Links are often created by jit-lock functions
+ (jit-lock-fontify-now)
+ (save-excursion
+ (let ((inhibit-read-only t))
+ (goto-char (point-min))
+ (let ((button))
+ (while (setq button (next-button (point)))
+ (goto-char (button-start button))
+ (insert "<<")
+ (goto-char (button-end button))
+ (insert ">>"))))))
+
+(defmacro notmuch-test-run (&rest body)
+ "Evaluate a BODY of test expressions and output the result."
+ `(with-temp-buffer
+ (let ((buffer (current-buffer))
+ (result (progn ,@body)))
+ (switch-to-buffer buffer)
+ (insert (if (stringp result)
+ result
+ (prin1-to-string result)))
+ (test-output))))
+
+(defun notmuch-test-report-unexpected (output expected)
+ "Report that the OUTPUT does not match the EXPECTED result."
+ (concat "Expect:\t" (prin1-to-string expected) "\n"
+ "Output:\t" (prin1-to-string output) "\n"))
+
+(defun notmuch-test-expect-equal (output expected)
+ "Compare OUTPUT with EXPECTED. Report any discrepencies."
+ (if (equal output expected)
+ t
+ (cond
+ ((and (listp output)
+ (listp expected))
+ ;; Reporting the difference between two lists is done by
+ ;; reporting differing elements of OUTPUT and EXPECTED
+ ;; pairwise. This is expected to make analysis of failures
+ ;; simpler.
+ (apply #'concat (loop for o in output
+ for e in expected
+ if (not (equal o e))
+ collect (notmuch-test-report-unexpected o e))))
+
+ (t
+ (notmuch-test-report-unexpected output expected)))))