;;; Code:
(require 'ert)
+(require 'generator)
(eval-when-compile (require 'cl-lib))
(require 'time-stamp)
(defmacro with-time-stamp-test-env (&rest body)
"Evaluate BODY with some standard time-stamp test variables bound."
+ (declare (indent defun))
`(let ((user-login-name "test-logname")
- (user-full-name "Time Stamp Tester")
+ (user-full-name "100%d Tester") ;verify "%" passed unchanged
(buffer-file-name "/emacs/test/time-stamped-file")
(mail-host-address "test-mail-host-name")
(ref-time1 '(17337 16613)) ;Monday, Jan 2, 2006, 3:04:05 PM
;; suppress the byte compiler's "unused" warning.
(list ref-time1 ref-time2 ref-time3)
,@body)))
-(put 'with-time-stamp-test-env 'lisp-indent-hook 'defun)
+
+(defmacro with-time-stamp-test-time (reference-time &rest body)
+ "Force any contained time-stamp call to use time REFERENCE-TIME."
+ (declare (indent defun))
+ `(cl-letf*
+ ((orig-time-stamp-string-fn (symbol-function 'time-stamp-string))
+ ((symbol-function 'time-stamp-string)
+ (lambda (ts-format)
+ (apply orig-time-stamp-string-fn ts-format ,reference-time nil))))
+ ,@body))
(defmacro time-stamp-should-warn (form)
"Similar to `should' but verifies that a format warning is generated."
;;; Tests:
+;;; Tests of customization variables
+
+(ert-deftest time-stamp-custom-time-zone ()
+ "Test that setting time-stamp-time-zone affects the format."
+ (with-time-stamp-test-env
+ (let ((time-stamp-time-zone "PST8"))
+ (should (equal (time-stamp-string "%H %Z" ref-time1) "07 PST")))
+ (let ((time-stamp-time-zone "UTC0"))
+ (should (equal (time-stamp-string "%H %Z" ref-time1) "15 UTC")))
+ (let ((time-stamp-time-zone "GMT0"))
+ (should (equal (time-stamp-string "%H %Z" ref-time1) "15 GMT")))))
+
+(iter-defun time-stamp-test-pattern-sequential ()
+ "Iterate through each possibility for a part of time-stamp-pattern."
+ (let ((pattern-value-parts
+ '(("4/" "10/" "-4/" "0/" "") ;0: line limit
+ ("stamp<" "") ;1: start
+ ("%-d" "%_H" "%^a" "%#Z" "%:A" "%02H" "%%" "") ;2: format part 1
+ (" " "x" ":" "\n" "") ;3: format part 2
+ ("%-d" "%_H" "%^a" "%#Z" "%:A" "%02H" "%%") ;4: format part 3
+ (">end" "")))) ;5: end
+ (dotimes (cur (length pattern-value-parts))
+ (dotimes (cur-index (length (nth cur pattern-value-parts)))
+ (cl-flet ((extract-part
+ (lambda (desired-part)
+ (let ((part-list (nth desired-part pattern-value-parts)))
+ (if (= desired-part cur)
+ (nth cur-index part-list)
+ (nth 0 part-list))))))
+ ;; Don't repeat the default pattern.
+ (if (or (= cur 0) (> cur-index 0))
+ ;; The whole format must start with %, so not all
+ ;; generated combinations are valid
+ (if (or (not (equal (extract-part 2) ""))
+ (equal (extract-part 3) ""))
+ (iter-yield (list (extract-part 0)
+ (extract-part 1)
+ (apply #'concat
+ (mapcar #'extract-part '(2 3 4)))
+ (extract-part 5))))))))))
+
+(iter-defun time-stamp-test-pattern-multiply ()
+ "Iterate through every combination of parts of time-stamp-pattern."
+ (let ((line-limit-values '("" "4/"))
+ (start-values '("" "stamp<"))
+ (format-values '("%%" "%m"))
+ (end-values '("" ">end")))
+ ;; yield all combinations of the above
+ (dolist (line-limit line-limit-values)
+ (dolist (start start-values)
+ (dolist (format format-values)
+ (dolist (end end-values)
+ (iter-yield (list line-limit start format end))))))))
+
+(iter-defun time-stamp-test-pattern-all ()
+ (iter-yield-from (time-stamp-test-pattern-sequential))
+ (iter-yield-from (time-stamp-test-pattern-multiply)))
+
+(ert-deftest time-stamp-custom-pattern ()
+ "Test that time-stamp-pattern is parsed correctly."
+ (iter-do (pattern-parts (time-stamp-test-pattern-all))
+ (cl-destructuring-bind (line-limit1 start1 whole-format end1) pattern-parts
+ (cl-letf
+ (((symbol-function 'time-stamp-once)
+ (lambda (start search-limit ts-start ts-end
+ ts-format _format-lines _end-lines)
+ ;; Verify that time-stamp parsed time-stamp-pattern and
+ ;; called us with the correct pieces.
+ (let ((limit-number (string-to-number line-limit1)))
+ (if (equal line-limit1 "")
+ (setq limit-number time-stamp-line-limit))
+ (goto-char (point-min))
+ (if (> limit-number 0)
+ (should (= search-limit (line-beginning-position
+ (1+ limit-number))))
+ (should (= search-limit (point-max))))
+ (goto-char (point-max))
+ (if (< limit-number 0)
+ (should (= start (line-beginning-position
+ (1+ limit-number))))
+ (should (= start (point-min)))))
+ (if (equal start1 "")
+ (should (equal ts-start time-stamp-start))
+ (should (equal ts-start start1)))
+ (if (equal whole-format "%%")
+ (should (equal ts-format time-stamp-format))
+ (should (equal ts-format whole-format)))
+ (if (equal end1 "")
+ (should (equal ts-end time-stamp-end))
+ (should (equal ts-end end1)))
+ ;; return nil to stop time-stamp from calling us again
+ nil)))
+ (let ((time-stamp-pattern (concat
+ line-limit1 start1 whole-format end1)))
+ (with-temp-buffer
+ ;; prep the buffer with more than the
+ ;; largest line-limit1 number of lines
+ (insert "\n\n\n\n\n\n\n\n\n\n\n\n")
+ ;; Call time-stamp, which will call time-stamp-once,
+ ;; triggering the tests above.
+ (time-stamp)))))))
+
+(ert-deftest time-stamp-custom-inserts-lines ()
+ "Test that time-stamp inserts lines or not, as directed."
+ (with-time-stamp-test-env
+ (let ((time-stamp-start "Updated on:")
+ ;; the newline in the format will insert a line if we let it
+ (time-stamp-format "\n %Y-%m-%d")
+ (time-stamp-end "$")
+ (time-stamp-inserts-lines nil) ;changed later in the test
+ (buffer-expected-1line "Updated on:\n 2006-01-02\n")
+ (buffer-expected-2line "Updated on:\n 2006-01-02\n 2006-01-02\n"))
+ (with-time-stamp-test-time ref-time1
+ (with-temp-buffer
+ (insert "Updated on:\n\n")
+ (time-stamp)
+ (should (equal (buffer-string) buffer-expected-1line))
+ ;; second call should not add a line
+ (time-stamp)
+ (should (equal (buffer-string) buffer-expected-1line))
+
+ (setq time-stamp-inserts-lines t)
+ ;; with time-stamp-inserts-lines set, should add a line
+ (time-stamp)
+ (should (equal (buffer-string) buffer-expected-2line)))))))
+
+(ert-deftest time-stamp-custom-count ()
+ "Test that time-stamp updates no more than time-stamp-count templates."
+ (with-time-stamp-test-env
+ (let ((time-stamp-start "TS: <")
+ (time-stamp-format "%Y-%m-%d")
+ (time-stamp-count 1) ;changed later in the test
+ (buffer-expected-once "TS: <2006-01-02>\nTS: <>")
+ (buffer-expected-twice "TS: <2006-01-02>\nTS: <2006-01-02>"))
+ (with-time-stamp-test-time ref-time1
+ (with-temp-buffer
+ (insert "TS: <>\nTS: <>")
+ (time-stamp)
+ (should (equal (buffer-string) buffer-expected-once))
+ (setq time-stamp-count 2)
+ (time-stamp)
+ (should (equal (buffer-string) buffer-expected-twice)))))))
+
;;; Tests of time-stamp-string formatting
-(ert-deftest time-stamp-test-format-day-of-week ()
+(ert-deftest time-stamp-format-day-of-week ()
"Test time-stamp formats for named day of week."
(with-time-stamp-test-env
;; implemented and documented since 1997
(should (equal (time-stamp-string "%^a" ref-time1) "MON"))
(should (equal (time-stamp-string "%A" ref-time1) "Monday"))))
-(ert-deftest time-stamp-test-format-month-name ()
+(ert-deftest time-stamp-format-month-name ()
"Test time-stamp formats for month name."
(with-time-stamp-test-env
;; implemented and documented since 1997
(should (equal (time-stamp-string "%^b" ref-time1) "JAN"))
(should (equal (time-stamp-string "%B" ref-time1) "January"))))
-(ert-deftest time-stamp-test-format-day-of-month ()
+(ert-deftest time-stamp-format-day-of-month ()
"Test time-stamp formats for day of month."
(with-time-stamp-test-env
;; implemented and documented since 1995
(should (equal (time-stamp-string "%d" ref-time1) "02"))
(should (equal (time-stamp-string "%d" ref-time2) "18"))))
-(ert-deftest time-stamp-test-format-hours-24 ()
+(ert-deftest time-stamp-format-hours-24 ()
"Test time-stamp formats for hour on a 24-hour clock."
(with-time-stamp-test-env
;; implemented and documented since 1995
(should (equal (time-stamp-string "%H" ref-time2) "12"))
(should (equal (time-stamp-string "%H" ref-time3) "06"))))
-(ert-deftest time-stamp-test-format-hours-12 ()
+(ert-deftest time-stamp-format-hours-12 ()
"Test time-stamp formats for hour on a 12-hour clock."
(with-time-stamp-test-env
;; implemented and documented since 1995
(should (equal (time-stamp-string "%I" ref-time2) "12"))
(should (equal (time-stamp-string "%I" ref-time3) "06"))))
-(ert-deftest time-stamp-test-format-month-number ()
+(ert-deftest time-stamp-format-month-number ()
"Test time-stamp formats for month number."
(with-time-stamp-test-env
;; implemented and documented since 1995
(should (equal (time-stamp-string "%m" ref-time1) "01"))
(should (equal (time-stamp-string "%m" ref-time2) "11"))))
-(ert-deftest time-stamp-test-format-minute ()
+(ert-deftest time-stamp-format-minute ()
"Test time-stamp formats for minute."
(with-time-stamp-test-env
;; implemented and documented since 1995
(should (equal (time-stamp-string "%M" ref-time1) "04"))
(should (equal (time-stamp-string "%M" ref-time2) "14"))))
-(ert-deftest time-stamp-test-format-second ()
+(ert-deftest time-stamp-format-second ()
"Test time-stamp formats for second."
(with-time-stamp-test-env
;; implemented and documented since 1995
(should (equal (time-stamp-string "%S" ref-time1) "05"))
(should (equal (time-stamp-string "%S" ref-time2) "15"))))
-(ert-deftest time-stamp-test-format-year-2digit ()
+(ert-deftest time-stamp-format-year-2digit ()
"Test time-stamp formats for %y."
(with-time-stamp-test-env
;; implemented and documented since 1995
(time-stamp-should-warn
(equal (time-stamp-string "%4y" ref-time1) "2006"))))
-(ert-deftest time-stamp-test-format-year-4digit ()
+(ert-deftest time-stamp-format-year-4digit ()
"Test time-stamp format %Y."
(with-time-stamp-test-env
;; implemented since 1997, documented since 2019
(should (equal (time-stamp-string "%Y" ref-time1) "2006"))))
-(ert-deftest time-stamp-test-format-am-pm ()
+(ert-deftest time-stamp-format-am-pm ()
"Test time-stamp formats for AM and PM strings."
(with-time-stamp-test-env
;; implemented and documented since 1997
(should (equal (time-stamp-string "%p" ref-time1) "PM"))
(should (equal (time-stamp-string "%p" ref-time3) "AM"))))
-(ert-deftest time-stamp-test-format-day-number-in-week ()
+(ert-deftest time-stamp-format-day-number-in-week ()
"Test time-stamp formats for day number in week."
(with-time-stamp-test-env
(should (equal (time-stamp-string "%w" ref-time1) "1"))
(should (equal (time-stamp-string "%w" ref-time2) "5"))
(should (equal (time-stamp-string "%w" ref-time3) "0"))))
-(ert-deftest time-stamp-test-format-time-zone-name ()
+(ert-deftest time-stamp-format-time-zone-name ()
"Test time-stamp format %Z."
(with-time-stamp-test-env
(let ((UTC-abbr (format-time-string "%Z" ref-time1 t))
;; implemented since 1997, documented since 2019
(should (equal (time-stamp-string "%#Z" ref-time1) utc-abbr)))))
-(ert-deftest time-stamp-test-format-time-zone-offset ()
+(ert-deftest time-stamp-format-time-zone-offset ()
"Test time-stamp format %z."
(with-time-stamp-test-env
(let ((utc-abbr (format-time-string "%#Z" ref-time1 t)))
(should (equal (time-stamp-string "%::z" ref-time1) "+00:00:00"))
(should (equal (time-stamp-string "%:::z" ref-time1) "+00"))))
-(ert-deftest time-stamp-test-format-non-date-conversions ()
+(ert-deftest time-stamp-format-non-date-conversions ()
"Test time-stamp formats for non-date items."
(with-time-stamp-test-env
;; implemented and documented since 1995
;; documented 1995-2019
(should (equal
(time-stamp-string "%s" ref-time1) "test-system-name.example.org"))
- (should (equal (time-stamp-string "%U" ref-time1) "Time Stamp Tester"))
+ (should (equal (time-stamp-string "%U" ref-time1) "100%d Tester"))
(should (equal (time-stamp-string "%u" ref-time1) "test-logname"))
;; implemented since 2001, documented since 2019
- (should (equal (time-stamp-string "%L" ref-time1) "Time Stamp Tester"))
+ (should (equal (time-stamp-string "%L" ref-time1) "100%d Tester"))
(should (equal (time-stamp-string "%l" ref-time1) "test-logname"))
;; implemented since 2007, documented since 2019
(should (equal
(should (equal
(time-stamp-string "%q" ref-time1) "test-system-name"))))
-(ert-deftest time-stamp-test-format-ignored-modifiers ()
+(ert-deftest time-stamp-format-ignored-modifiers ()
"Test additional args allowed (but ignored) to allow for future expansion."
(with-time-stamp-test-env
;; allowed modifiers
;; not all punctuation is allowed
(should-not (equal (time-stamp-string "%&P" ref-time3) "AM"))))
-(ert-deftest time-stamp-test-format-non-conversions ()
+(ert-deftest time-stamp-format-non-conversions ()
"Test that without a %, the text is copied literally."
(with-time-stamp-test-env
(should (equal (time-stamp-string "No percent" ref-time1) "No percent"))))
-(ert-deftest time-stamp-test-format-string-width ()
+(ert-deftest time-stamp-format-string-width ()
"Test time-stamp string width modifiers."
(with-time-stamp-test-env
;; strings truncate on the right or are blank-padded on the left
;;; Tests of helper functions
-(ert-deftest time-stamp-test-helper-zone-type-p ()
+(ert-deftest time-stamp-helper-zone-type-p ()
"Test time-stamp-zone-type-p."
(should (time-stamp-zone-type-p t))
(should (time-stamp-zone-type-p nil))
(should-not (time-stamp-zone-type-p '(0 0)))
(should-not (time-stamp-zone-type-p '("A" "A"))))
+(ert-deftest time-stamp-helper-safe-locals ()
+ "Test that our variables are known to be safe local variables."
+ (should (safe-local-variable-p 'time-stamp-format "a string"))
+ (should-not (safe-local-variable-p 'time-stamp-format '(a list)))
+ (should (safe-local-variable-p 'time-stamp-time-zone "a string"))
+ (should-not (safe-local-variable-p 'time-stamp-time-zone 0.5))
+ (should (safe-local-variable-p 'time-stamp-line-limit 8))
+ (should-not (safe-local-variable-p 'time-stamp-line-limit "a string"))
+ (should (safe-local-variable-p 'time-stamp-start "a string"))
+ (should-not (safe-local-variable-p 'time-stamp-start 17))
+ (should (safe-local-variable-p 'time-stamp-end "a string"))
+ (should-not (safe-local-variable-p 'time-stamp-end 17))
+ (should (safe-local-variable-p 'time-stamp-inserts-lines t))
+ (should-not (safe-local-variable-p 'time-stamp-inserts-lines 17))
+ (should (safe-local-variable-p 'time-stamp-count 2))
+ (should-not (safe-local-variable-p 'time-stamp-count t))
+ (should (safe-local-variable-p 'time-stamp-pattern "a string"))
+ (should-not (safe-local-variable-p 'time-stamp-pattern 17)))
+
;;; time-stamp-tests.el ends here