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Ert commands to error if no test at point (bug#25931)

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* lisp/emacs-lisp/ert.el (ert-results-mode-menu):
Deactivate some items if no test at point.
(ert--results-test-at-point-no-redefinition):
Add option to signal an error rather than return nil.
(ert-results-pop-to-backtrace-for-test-at-point)
(ert-results-pop-to-messages-for-test-at-point)
(ert-results-pop-to-should-forms-for-test-at-point)
(ert-results-describe-test-at-point): Error if no test at point.
This commit is contained in:
Glenn Morris 2017-03-02 15:40:15 -05:00
parent d0d26c1379
commit dacafa8c30
1 changed files with 34 additions and 23 deletions
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57
lisp/emacs-lisp/ert.el
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@ -2079,14 +2079,23 @@ and how to display message."
'("ERT Results"
["Re-run all tests" ert-results-rerun-all-tests]
"--"
["Re-run test" ert-results-rerun-test-at-point]
["Debug test" ert-results-rerun-test-at-point-debugging-errors]
["Show test definition" ert-results-find-test-at-point-other-window]
;; FIXME? Why are there (at least) 3 different ways to decide if
;; there is a test at point?
["Re-run test" ert-results-rerun-test-at-point
:active (car (ert--results-test-at-point-allow-redefinition))]
["Debug test" ert-results-rerun-test-at-point-debugging-errors
:active (car (ert--results-test-at-point-allow-redefinition))]
["Show test definition" ert-results-find-test-at-point-other-window
:active (ert-test-at-point)]
"--"
["Show backtrace" ert-results-pop-to-backtrace-for-test-at-point]
["Show messages" ert-results-pop-to-messages-for-test-at-point]
["Show `should' forms" ert-results-pop-to-should-forms-for-test-at-point]
["Describe test" ert-results-describe-test-at-point]
["Show backtrace" ert-results-pop-to-backtrace-for-test-at-point
:active (ert--results-test-at-point-no-redefinition)]
["Show messages" ert-results-pop-to-messages-for-test-at-point
:active (ert--results-test-at-point-no-redefinition)]
["Show `should' forms" ert-results-pop-to-should-forms-for-test-at-point
:active (ert--results-test-at-point-no-redefinition)]
["Describe test" ert-results-describe-test-at-point
:active (ert--results-test-at-point-no-redefinition)]
"--"
["Delete test" ert-delete-test]
"--"
@ -2237,22 +2246,24 @@ To be used in the ERT results buffer."
(and (ert-test-boundp sym)
sym))))
(defun ert--results-test-at-point-no-redefinition ()
(defun ert--results-test-at-point-no-redefinition (&optional error)
"Return the test at point, or nil.
If optional argument ERROR is non-nil, signal an error rather than return nil.
To be used in the ERT results buffer."
(cl-assert (eql major-mode 'ert-results-mode))
(if (ert--results-test-node-or-null-at-point)
(let* ((node (ert--results-test-node-at-point))
(test (ert--ewoc-entry-test (ewoc-data node))))
test)
(let ((progress-bar-begin ert--results-progress-bar-button-begin))
(when (and (<= progress-bar-begin (point))
(< (point) (button-end (button-at progress-bar-begin))))
(let* ((test-index (- (point) progress-bar-begin))
(test (aref (ert--stats-tests ert--results-stats)
(or
(if (ert--results-test-node-or-null-at-point)
(let* ((node (ert--results-test-node-at-point))
(test (ert--ewoc-entry-test (ewoc-data node))))
test)
(let ((progress-bar-begin ert--results-progress-bar-button-begin))
(when (and (<= progress-bar-begin (point))
(< (point) (button-end (button-at progress-bar-begin))))
(let* ((test-index (- (point) progress-bar-begin))
(test (aref (ert--stats-tests ert--results-stats)
test-index)))
test)))))
test))))
(if error (user-error "No test at point"))))
(defun ert--results-test-at-point-allow-redefinition ()
"Look up the test at point, and check whether it has been redefined.
@ -2377,7 +2388,7 @@ To be used in the ERT results buffer."
To be used in the ERT results buffer."
(interactive)
(let* ((test (ert--results-test-at-point-no-redefinition))
(let* ((test (ert--results-test-at-point-no-redefinition t))
(stats ert--results-stats)
(pos (ert--stats-test-pos stats test))
(result (aref (ert--stats-test-results stats) pos)))
@ -2406,7 +2417,7 @@ To be used in the ERT results buffer."
To be used in the ERT results buffer."
(interactive)
(let* ((test (ert--results-test-at-point-no-redefinition))
(let* ((test (ert--results-test-at-point-no-redefinition t))
(stats ert--results-stats)
(pos (ert--stats-test-pos stats test))
(result (aref (ert--stats-test-results stats) pos)))
@ -2427,7 +2438,7 @@ To be used in the ERT results buffer."
To be used in the ERT results buffer."
(interactive)
(let* ((test (ert--results-test-at-point-no-redefinition))
(let* ((test (ert--results-test-at-point-no-redefinition t))
(stats ert--results-stats)
(pos (ert--stats-test-pos stats test))
(result (aref (ert--stats-test-results stats) pos)))
@ -2554,7 +2565,7 @@ To be used in the ERT results buffer."
To be used in the ERT results buffer."
(interactive)
(ert-describe-test (ert--results-test-at-point-no-redefinition)))
(ert-describe-test (ert--results-test-at-point-no-redefinition t)))
;;; Actions on load/unload.