+
+(defun orphan-watchdog (pid)
+ "Periodically check that the process with id PID is still
+running, quit if it terminated."
+ (if (not (process-attributes pid))
+ (kill-emacs)
+ (run-at-time "1 min" nil 'orphan-watchdog pid)))
+
+(defun hook-counter (hook)
+ "Count how many times a hook is called. Increments
+`hook'-counter variable value if it is bound, otherwise does
+nothing."
+ (let ((counter (intern (concat (symbol-name hook) "-counter"))))
+ (if (boundp counter)
+ (set counter (1+ (symbol-value counter))))))
+
+(defun add-hook-counter (hook)
+ "Add hook to count how many times `hook' is called."
+ (add-hook hook (apply-partially 'hook-counter hook)))
+
+(add-hook-counter 'notmuch-hello-mode-hook)
+(add-hook-counter 'notmuch-hello-refresh-hook)
+
+(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)))))