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Diffstat (limited to 'test/lisp/erc/erc-track-tests.el')
| -rw-r--r-- | test/lisp/erc/erc-track-tests.el | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/test/lisp/erc/erc-track-tests.el b/test/lisp/erc/erc-track-tests.el index 3af2333587f..3288c42a42e 100644 --- a/test/lisp/erc/erc-track-tests.el +++ b/test/lisp/erc/erc-track-tests.el @@ -104,6 +104,42 @@ '("#emacs" "#vi")) '("#e" "#v"))) )) +(ert-deftest erc-track--shortened-names () + (let (erc-track--shortened-names + erc-track--shortened-names-current-hash + results) + + (with-memoization (erc-track--shortened-names-get + '("apple" "banana" "cherries")) + '("a" "b" "c")) + (should (integerp (car erc-track--shortened-names))) + (should (equal (cdr erc-track--shortened-names) '("a" "b" "c"))) + (push erc-track--shortened-names results) + + ;; Redundant call doesn't run. + (with-memoization (erc-track--shortened-names-get + '("apple" "banana" "cherries")) + (should-not 'run) + '("a" "b" "c")) + (should (equal erc-track--shortened-names (car results))) + + ;; Change in environment or context forces run. + (with-temp-buffer + (with-memoization (erc-track--shortened-names-get + '("apple" "banana" "cherries")) + '("x" "y" "z"))) + (should (and (integerp (car erc-track--shortened-names)) + (/= (car erc-track--shortened-names) (caar results)))) + (should (equal (cdr erc-track--shortened-names) '("x" "y" "z"))) + (push erc-track--shortened-names results) + + (with-memoization (erc-track--shortened-names-get + '("apple" "banana" "cherries")) + '("1" "2" "3")) + (should (and (integerp (car erc-track--shortened-names)) + (/= (car erc-track--shortened-names) (caar results)))) + (should (equal (cdr erc-track--shortened-names) '("1" "2" "3"))))) + (ert-deftest erc-track--erc-faces-in () "`erc-faces-in' should pick up both 'face and 'font-lock-face properties." (let ((str0 (copy-sequence "is bold")) @@ -120,4 +156,134 @@ (should (erc-faces-in str0)) (should (erc-faces-in str1)) )) +;; This simulates an alternating bold/non-bold [#c] in the mode-line, +;; i.e., an `erc-modified-channels-alist' that vacillates between +;; +;; ((#<buffer #chan> 42 . erc-default-face)) +;; +;; and +;; +;; ((#<buffer #chan> 42 erc-nick-default-face erc-default-face)) +;; +;; This is a fairly typical scenario where consecutive messages +;; feature speaker and addressee button highlighting and otherwise +;; plain message bodies. This mapping of phony to real faces +;; describes the picture in 5.6: +;; +;; `1': (erc-button erc-default-face) ; URL +;; `2': (erc-nick-default-face erc-default-face) ; mention +;; `3': erc-default-face ; body +;; `_': (erc-nick-default-face erc-nick-default-face) ; speaker +;; +;; The `_' represents a commonly occurring face (a <speaker>) that's +;; not present in either option's default (standard) value. It's a +;; no-op from the POV of `erc-track-select-mode-line-face'. + +(ert-deftest erc-track-select-mode-line-face () + + ;; Observed (see key above). + (let ((erc-track-faces-priority-list '(1 2 3)) + (erc-track-faces-normal-list '(1 2 3))) + + (should (equal 2 (erc-track-select-mode-line-face 3 '(2 _ 3)))) + (should (equal 2 (erc-track-select-mode-line-face 2 '(2 _ 3)))) + (should (equal 3 (erc-track-select-mode-line-face 2 '(_ 3)))) + (should (equal 2 (erc-track-select-mode-line-face 3 '(2 3)))) + (should (equal 3 (erc-track-select-mode-line-face 2 '(3)))) + + (should (equal 1 (erc-track-select-mode-line-face 1 '(2 1 3)))) + (should (equal 1 (erc-track-select-mode-line-face 1 '(1 3)))) + (should (equal 1 (erc-track-select-mode-line-face 1 '(1 3 2)))) + (should (equal 1 (erc-track-select-mode-line-face 1 '(3 1))))) + + ;; When the current face outranks all new faces and doesn't appear + ;; among them, it's eligible to be replaced with a fellow "normal" + ;; from those new faces. But if it does appear among them, it's + ;; never replaced. + (let ((erc-track-faces-priority-list '(a b)) + (erc-track-faces-normal-list '(a b))) + + (should (equal 'a (erc-track-select-mode-line-face 'a '(b a)))) + (should (equal 'a (erc-track-select-mode-line-face 'a '(a b)))) + (should (equal 'a (erc-track-select-mode-line-face 'b '(b a)))) + (should (equal 'a (erc-track-select-mode-line-face 'b '(a b)))) + + (should (equal 'a (erc-track-select-mode-line-face 'b '(a)))) + (should (equal 'b (erc-track-select-mode-line-face 'a '(b))))) + + ;; The ordering of the "normal" list doesn't matter. + (let ((erc-track-faces-priority-list '(a b)) + (erc-track-faces-normal-list '(b a))) + + (should (equal 'a (erc-track-select-mode-line-face 'a '(b a)))) + (should (equal 'a (erc-track-select-mode-line-face 'a '(a b)))) + (should (equal 'a (erc-track-select-mode-line-face 'b '(b a)))) + (should (equal 'a (erc-track-select-mode-line-face 'b '(a b)))))) + +(defun erc-track-tests--select-mode-line-face (ranked normals cases) + (setq normals (map-into (mapcar (lambda (f) (cons f t)) normals) + '(hash-table :test equal))) + (pcase-dolist (`(,want ,cur-face ,new-faces) cases) + + (ert-info ((format "Observed: {cur: %S, new: %S, want: %S}" + cur-face new-faces want)) + (setq new-faces (cons (map-into + (mapcar (lambda (f) (cons f t)) new-faces) + '(hash-table :test equal)) + (reverse new-faces))) + (should (equal want (funcall #'erc-track--select-mode-line-face + cur-face new-faces ranked normals)))))) + +;; The main difference between these variants is that with the above, +;; when given alternating lines like +;; +;; CUR NEW CHOICE +;; text (mention $speaker text) => mention +;; mention ($speaker text) => text +;; +;; we see the effect of alternating faces in the indicator. But when +;; given consecutive lines with a similar composition, like +;; +;; text (mention $speaker text) => mention +;; text (mention $speaker text) => mention +;; +;; we lose the effect. With the variant below, we get +;; +;; text (mention $speaker text) => mention +;; text (mention $speaker text) => text +;; + +(ert-deftest erc-track--select-mode-line-face () + (should-not erc-track-ignore-normal-contenders-p) + + ;; These are the same test cases from the previous test. The syntax + ;; is (expected cur-face new-faces). + (erc-track-tests--select-mode-line-face + '(1 2 3) '(1 2 3) + '((2 3 (2 _ 3)) + (3 2 (2 _ 3)) + (3 2 (_ 3)) + (2 3 (2 3)) + (3 2 (3)) + (2 1 (2 1 3)) + (3 1 (1 3)) + (2 1 (1 3 2)) + (3 1 (3 1)))) + + (erc-track-tests--select-mode-line-face + '(a b) '(a b) + '((b a (b a)) + (b a (a b)) + (a b (b a)) + (a b (a b)) + (a b (a)) + (b a (b)))) + + (erc-track-tests--select-mode-line-face + '(a b) '(b a) + '((b a (b a)) + (b a (a b)) + (a b (b a)) + (a b (a b))))) + ;;; erc-track-tests.el ends here |