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Fix matching of inline choices for the choice widget

A choice widget should be able to match either no inline values or
inline values, upon request.  (Bug#44579)

* lisp/wid-edit.el (choice): New property, :inline-bubbles-p.  A
predicate that returns non-nil if the choice widget can act as an
inline widget.  Document it.
(widget-choice-inline-bubbles-p): New function, for the
:inline-bubbles-p property of the choice widget.
(widget-inline-p): New function.  Use the :inline-bubbles-p property
of the widget, if any.
(widget-match-inline): Use the above to see if the widget can act like
an inline widget.  Document it.
(widget-choice-value-create): Account for the case of a choice widget
that has inline members.
(widget-checklist-add-item, widget-editable-list-value-create)
(widget-group-value-create): Use widget-inline-p rather than just
checking for a non-nil :inline property, allowing these functions to
pass the complete information to widgets like the choice widget to
create their values.

* test/lisp/wid-edit-tests.el (widget-test-choice-match-no-inline)
(widget-test-choice-match-all-inline)
widget-test-choice-match-some-inline): New tests, to check that choice
widgets can match its choices, inline or not.
(widget-test-inline-p): New test, for the new function
widget-inline-p.
(widget-test-repeat-can-handle-choice)
(widget-test-repeat-can-handle-inlinable-choice)
(widget-test-list-can-handle-choice)
(widget-test-list-can-handle-inlinable-choice)
(widget-test-option-can-handle-choice)
(widget-test-option-can-handle-inlinable-choice): New tests.  This
grouping widgets need to be able to create a choice widget regardless
if it has inline choices or not.
This commit is contained in:
Mauro Aranda 2020-11-24 08:31:18 -03:00
parent 5cc570215a
commit cbd24607d7
2 changed files with 211 additions and 14 deletions

View file

@ -148,4 +148,157 @@
;; Check that we effectively moved the item to the last position.
(should (equal (widget-value lst) '("beg" "middle" "end"))))))
(ert-deftest widget-test-choice-match-no-inline ()
"Test that a no-inline choice widget can match its values."
(let* ((choice '(choice (const nil) (const t) string function))
(widget (widget-convert choice)))
(should (widget-apply widget :match nil))
(should (widget-apply widget :match t))
(should (widget-apply widget :match ""))
(should (widget-apply widget :match 'ignore))))
(ert-deftest widget-test-choice-match-all-inline ()
"Test that a choice widget with all inline members can match its values."
(let* ((lst '(list (choice (list :inline t symbol number)
(list :inline t symbol regexp))))
(widget (widget-convert lst)))
(should-not (widget-apply widget :match nil))
(should (widget-apply widget :match '(:test 2)))
(should (widget-apply widget :match '(:test ".*")))
(should-not (widget-apply widget :match '(:test ignore)))))
(ert-deftest widget-test-choice-match-some-inline ()
"Test that a choice widget with some inline members can match its values."
(let* ((lst '(list string
(choice (const t)
(list :inline t symbol number)
(list :inline t symbol regexp))))
(widget (widget-convert lst)))
(should-not (widget-apply widget :match nil))
(should (widget-apply widget :match '("" t)))
(should (widget-apply widget :match '("" :test 2)))
(should (widget-apply widget :match '("" :test ".*")))
(should-not (widget-apply widget :match '(:test ignore)))))
(ert-deftest widget-test-inline-p ()
"Test `widget-inline-p'.
For widgets without an :inline t property, `widget-inline-p' has to return nil.
But if the widget is a choice widget, it has to return nil if passed nil as
the bubblep argument, or non-nil if one of the members of the choice widget has
an :inline t property and we pass a non-nil bubblep argument. If no members of
the choice widget have an :inline t property, then `widget-inline-p' has to
return nil, even with a non-nil bubblep argument."
(with-temp-buffer
(widget-insert "Testing.\n\n")
(let* ((widget (widget-create 'repeat
:value '(nil)
'(choice (const nil) (const t)
(list :inline t symbol number))
'(choice (const nil) (const t)
(list function string))))
(children (widget-get widget :children))
(child-1 (car children))
(child-2 (cadr children)))
(should-not (widget-inline-p widget))
(should-not (widget-inline-p child-1))
(should (widget-inline-p child-1 'bubble))
(should-not (widget-inline-p child-2))
(should-not (widget-inline-p child-2 'bubble)))))
(ert-deftest widget-test-repeat-can-handle-choice ()
"Test that we can create a repeat widget with a choice correctly."
(with-temp-buffer
(widget-insert "Testing.\n\n")
(let* ((widget (widget-create 'repeat
:entry-format "%i %d %v"
:value '((:test 2))
'(choice (const nil) (const t)
(list symbol number))))
(child (car (widget-get widget :children))))
(widget-insert "\n")
(use-local-map widget-keymap)
(widget-setup)
(should child)
(should (equal (widget-value widget) '((:test 2)))))))
(ert-deftest widget-test-repeat-can-handle-inlinable-choice ()
"Test that we can create a repeat widget with an inlinable choice correctly."
(with-temp-buffer
(widget-insert "Testing.\n\n")
(let* ((widget (widget-create 'repeat
:entry-format "%i %d %v"
:value '(:test 2)
'(choice (const nil) (const t)
(list :inline t symbol number))))
(child (widget-get widget :children)))
(widget-insert "\n")
(use-local-map widget-keymap)
(widget-setup)
(should child)
(should (equal (widget-value widget) '(:test 2))))))
(ert-deftest widget-test-list-can-handle-choice ()
"Test that we can create a list widget with a choice correctly."
(with-temp-buffer
(widget-insert "Testing.\n\n")
(let* ((widget (widget-create 'list
:value '((1 "One"))
'(choice string
(list number string))))
(child (car (widget-get widget :children))))
(widget-insert "\n")
(use-local-map widget-keymap)
(widget-setup)
(should child)
(should (equal (widget-value widget) '((1 "One")))))))
(ert-deftest widget-test-list-can-handle-inlinable-choice ()
"Test that we can create a list widget with an inlinable choice correctly."
(with-temp-buffer
(widget-insert "Testing.\n\n")
(let* ((widget (widget-create 'list
:value '(1 "One")
'(choice string
(list :inline t number string))))
(child (car (widget-get widget :children))))
(widget-insert "\n")
(use-local-map widget-keymap)
(widget-setup)
(should child)
(should (equal (widget-value widget) '(1 "One"))))))
(ert-deftest widget-test-option-can-handle-choice ()
"Test that we can create a option widget with a choice correctly."
(with-temp-buffer
(widget-insert "Testing.\n\n")
(let* ((widget (widget-create 'repeat
:value '(("foo"))
'(list (option
(choice string
(list :inline t
number string))))))
(child (car (widget-get widget :children))))
(widget-insert "\n")
(use-local-map widget-keymap)
(widget-setup)
(should child)
(should (equal (widget-value widget) '(("foo")))))))
(ert-deftest widget-test-option-can-handle-inlinable-choice ()
"Test that we can create a option widget with an inlinable choice correctly."
(with-temp-buffer
(widget-insert "Testing.\n\n")
(let* ((widget (widget-create 'repeat
:value '((1 "One"))
'(list (option
(choice string
(list :inline t
number string))))))
(child (car (widget-get widget :children))))
(widget-insert "\n")
(use-local-map widget-keymap)
(widget-setup)
(should child)
(should (equal (widget-value widget) '((1 "One")))))))
;;; wid-edit-tests.el ends here