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-(define-module (test datetime)
- :use-module (srfi srfi-64)
- :use-module (srfi srfi-64 test-error)
- :use-module (srfi srfi-71)
- :use-module (srfi srfi-88)
- :use-module ((srfi srfi-41)
- :select (stream->list stream-take))
- :use-module (datetime)
- :use-module ((ice-9 format) :select (format))
- :use-module ((ice-9 i18n) :select (make-locale))
- :use-module ((guile) :select (LC_CTYPE LC_TIME)))
-
-;;; Skipped since the code generating the (expected) error is disabled, due to
-;;; optional fields at the end of string. See the (null? str) case is
-;;; datetime->string
-(test-expect-fail "Premature end of string to parse")
-
-;;; Global locale objects, to save all tests from creating them
-(define en_US (make-locale (list LC_CTYPE LC_TIME) "en_US.UTF-8"))
-(define sv_SE (make-locale (list LC_CTYPE LC_TIME) "sv_SE.UTF-8"))
-
-;;; These tests begin by testing the basic objects,
-;;; followed by the string parser.
-;;; This to finally test the read syntax, to be able to
-;;; us it in the rest of the tests.
-
-(test-group "Creation of basic objects"
- (test-group "Date"
- (test-group "Empty date"
- (let ((d (date)))
- (test-assert "Date creates date objects" (date? d))
- (test-equal "Year is zero" 0 (year d))
- (test-equal "Month is zero" 0 (month d))
- (test-equal "Day is zero" 0 (day d))
- (test-assert "Date-zero? agrees" (date-zero? d))))
-
- (test-group "Date with keys"
- ;; Implicitly tests that month and day can go above
- ;; "regular" bounds
- (let ((d (date day: 40 month: 20 year: 10)))
- (test-assert "Date creation still works" (date? d))
- (test-equal "Year is stored" 10 (year d))
- (test-equal "Month is stored" 20 (month d))
- (test-equal "Day is stored" 40 (day d))))
-
- (test-group "Can't create date with non-integer components"
- (test-error "Invalid year" 'wrong-type-arg (date year: #f))
- (test-error "Invalid month" 'wrong-type-arg (date month: #f))
- (test-error "Invalid day" 'wrong-type-arg (date day: #f))))
-
- (test-group "Time"
- (test-group "Empty time"
- (let ((t (time)))
- (test-assert "Time creates time objects" (time? t))
- (test-equal "hour is zero" 0 (hour t))
- (test-equal "minute is zero" 0 (minute t))
- (test-equal "second is zero" 0 (second t))
- (test-assert "Time zero agrees" (time-zero? t))))
-
- (test-group "Time with keys"
- (let ((t (time second: 10 minute: 20 hour: 30)))
- (test-assert "Time creation still works" (time? t))
- (test-equal "Hour is stored" 30 (hour t))
- (test-equal "Minute is stored" 20 (minute t))
- (test-equal "Second is stored" 10 (second t))))
-
- (test-group "Can't create time with non-integer components"
- (test-error "Invalid hour" 'wrong-type-arg (time hour: #f))
- (test-error "Invalid minute" 'wrong-type-arg (time minute: #f))
- (test-error "Invalid second" 'wrong-type-arg (time second: #f))))
-
- (test-group "Datetime"
- (let ()
- (test-group "Empty datetime"
- (let ((dt (datetime)))
- (test-assert "Datetime date is date" (date? (datetime-date dt)))
- (test-assert "Datetime date is zero" (date-zero? (datetime-date dt)))
- (test-assert "Datetime time is time" (time? (datetime-time dt)))
- (test-assert "Datetime time is zero" (time-zero? (datetime-time dt)))
- (test-eqv "Defalut timezone is #f" #f (tz dt))))
-
- (test-group "Datetime with keys"
- (let ((dt (datetime date: (date day: 10)
- time: (time minute: 20))))
- (test-equal "Given date is stored"
- 10 (day (datetime-date dt)))
- (test-equal "Given time is stored"
- 20 (minute (datetime-time dt))))
- (test-error "Date must be a date" 'wrong-type-arg (datetime date: 1))
- (test-error "Date must be a date" 'wrong-type-arg (datetime date: (time)))
- (test-assert "Date: #f gives still constructs a date" (date? (datetime-date (datetime date: #f))))
- (test-error "Time must be a time" 'wrong-type-arg (datetime time: 1))
- (test-error "Time must be a time" 'wrong-type-arg (datetime time: (date)))
- (test-assert "Time: #f gives still constructs a time" (time? (datetime-time (datetime time: #f))))
-
- (let ((dt (datetime hour: 20 day: 30)))
- (test-equal "Time objects can be implicitly created" 20 (hour (datetime-time dt)))
- (test-equal "Date objects can be implicitly created" 30 (day (datetime-date dt))))
- (let ((dt (datetime day: 30 time: (time hour: 20))))
- (test-equal "\"Upper\" and \"lower\" keys can be mixed"
- 20 (hour (datetime-time dt)))
- (test-equal "\"Upper\" and \"lower\" keys can be mixed"
- 30 (day (datetime-date dt))))
-
- (let ((dt (datetime hour: 30 time: (time hour: 20))))
- (test-equal "time: has priority over hour: (and the like)"
- 20 (hour (datetime-time dt)))))
- (let ((dt (datetime day: 30 date: (date day: 20))))
- (test-equal "date: has priority over day: (and the like)"
- 20 (day (datetime-date dt)))))))
-
-;; Before the general parser, since it's a dependency string->datetime.
-(test-group "Parse Month"
-
- (test-equal "Parse full month name" jan (parse-month "January" en_US))
- (test-equal "Parse full weird case" jan (parse-month "jaNuaRy" en_US))
- (test-equal "Parse partial month name" jan (parse-month "Jan" en_US))
- (test-equal "Failing parse of month name" -1 (parse-month "Unknown" en_US))
- (test-equal "Overlap gives earliest month" mar (parse-month "m" en_US))
-
- (test-equal "Parse month with different locale" may (parse-month "maj" sv_SE)))
-
-
-(test-group "Parser"
- (test-group "Simple individual rules"
- (test-group "Year"
- (test-equal "~Y year" (datetime year: 2020) (string->datetime "2020" "~Y"))
- (test-equal "~Y year single digit" (datetime year: 2) (string->datetime "2" "~Y"))
- (test-equal "~Y year leading zero" (datetime year: 2) (string->datetime "02" "~Y"))
- (test-error "~Y parses at max four digits" 'misc-error (string->datetime "14411" "~Y")))
-
- (test-group "Month"
- (test-equal "~m month" (datetime month: 10) (string->datetime "10" "~m"))
- (test-equal "~m month single digit" (datetime month: 1) (string->datetime "1" "~m"))
- (test-equal "~m month leading zero" (datetime month: 1) (string->datetime "01" "~m"))
- (test-error "~m parses at max two digits" 'misc-error (string->datetime "111" "~m")))
-
- ;; Extra tests are skipped for these, since they are shared with Month
- (test-equal "~d day" (datetime day: 20) (string->datetime "20" "~d"))
- (test-equal "~H hour" (datetime hour: 15) (string->datetime "15" "~H"))
- (test-equal "~M minute" (datetime minute: 30) (string->datetime "30" "~M"))
- (test-equal "~S second" (datetime second: 59) (string->datetime "59" "~S")))
-
-
- (test-equal "Literal character" (datetime) (string->datetime "T" "T"))
- (test-equal "~~ '~'" (datetime) (string->datetime "~" "~~"))
- (test-error "Mismatched literal ~" 'misc-error (string->datetime "A" "~~"))
-
- (test-error "Stray ~ at end of fmt" 'misc-error (string->datetime "~" "~"))
- (test-error "Stray ~ in middle of fmt" 'misc-error (string->datetime "~ 1" "~ ~d"))
- (test-error "Unknown escape" 'misc-error (string->datetime "10" "~x"))
- (test-error "Premature end of string to parse" 'misc-error (string->datetime "" "~Y"))
- (test-error "Wrong Literal character" 'misc-error (string->datetime "T" "Z"))
-
-
- ;; Does the parser continue correctly
- (test-group "Tokens following each other"
- (test-equal "Year indirectly followed by month"
- (datetime year: 2020 month: 1)
- (string->datetime "2020-01" "~Y-~m"))
- ;; Does the parser handle tokens without delimiters, instead going by their max size
- (test-equal "Year directly follewed by month"
- (datetime year: 2020 month: 1)
- (string->datetime "202001" "~Y~m")))
-
-
- (test-group "Timezone"
- (test-equal "~Z 'Z'"
- (datetime tz: "UTC") (string->datetime "Z" "~Z"))
- (test-equal "~Z Is optional"
- (datetime) (string->datetime "" "~Z"))
- (test-equal "~Z Is optional with stuff after"
- (datetime hour: 20) (string->datetime "20" "~Z~H"))
- ;; This was earlier a bug
- (test-equal "Zoneinfo is kept while not at end"
- (datetime year: 2020 tz: "UTC")
- (string->datetime "Z2020" "~Z~Y")))
-
-
- (test-group "Month by name"
- ;; ~b, ~B, and ~h all does the same thing, and exists for symmetry with
- ;; datetime->string (where they don't do the exact same thing). Each is used
- ;; at least once below to ensure that they all work.
- (test-equal "Standalone month, and at end"
- (datetime month: 1)
- (string->datetime "Jan" "~b" en_US))
-
- ;; Separate test from above, since month does the check itself
- (test-error "Stray ~ after month"
- 'misc-error (string->datetime "Jan" "~b~" en_US))
-
- (test-equal "Month with explicit ~ after"
- (datetime month: mar)
- (string->datetime "M~" "~B~~" en_US))
-
- (test-error "Month with other specifier directly after"
- 'misc-error (string->datetime "January" "~b~b"))
-
- (test-equal "Month with other explict char after"
- (datetime month: mar)
- (string->datetime "Mar|" "~h|" en_US))
-
- (test-equal "Locale information is used"
- (datetime month: may)
- (string->datetime "Maj" "~h" sv_SE)))
-
- ;; TODO AM/PM string ~p
-
- (test-group "Complete parses"
- (test-equal "Parse complete ISO date"
- (datetime year: 2020 month: 3 day: 10)
- (string->datetime "2020-03-10" "~Y-~m-~d"))
-
- (test-equal "Parse complete ISO time"
- (datetime hour: 10 minute: 20 second: 30)
- (string->datetime "10:20:30" "~H:~M:~S"))
-
- (test-equal "Parse complete ISO date-time"
- (datetime year: 2020 month: 3 day: 10
- hour: 10 minute: 20 second: 30)
- (string->datetime "2020-03-10T10:20:30"
- "~Y-~m-~dT~H:~M:~S")))
-
- (test-group "string->datetime default format-specifier"
- (test-equal "Default date-time format-specifier takes ISO date-times"
- (datetime year: 2020 month: 3 day: 10
- hour: 10 minute: 20 second: 30)
- (string->datetime "2020-03-10T10:20:30"))
-
- (test-equal "Default date-time format-specifier takes ISO date-times (with zone)"
- (datetime year: 2020 month: 3 day: 10
- hour: 10 minute: 20 second: 30
- tz: "UTC")
- (string->datetime "2020-03-10T10:20:30Z")))
-
-
- (test-group "string->time"
- (test-assert "String->time returns time objects"
- (time? (string->time "10" "~H")))
-
- (test-equal "String->time complete parse"
- (time hour: 10 minute: 20 second: 30)
- (string->time "10:20:30" "~H:~M:~S"))
-
- (test-equal "String->time complete parse, default format-specifier"
- (time hour: 10 minute: 20 second: 30)
- (string->time "10:20:30")))
-
- (test-group "string->date"
- (test-assert "String->date returns time objects"
- (date? (string->date "10" "~Y")))
-
- (test-equal "String->date complete parse"
- (date year: 2020 month: 3 day: 10)
- (string->date "2020-03-10" "~Y-~m-~d"))
-
- (test-equal "String->date complete parse, default format-specifier"
- (date year: 2020 month: 3 day: 10)
- (string->date "2020-03-10")))
-
- (test-group "Pre-specified parsers"
- (test-group "ICS (RFC 5545)"
- (test-equal "date"
- (date year: 2020 month: 10 day: 20)
- (parse-ics-date "20201020"))
- (test-equal "time"
- (time hour: 10 minute: 20 second: 30)
- (parse-ics-time "102030"))
- (test-equal "datetime"
- (datetime year: 2020 month: 10 day: 20
- hour: 10 minute: 20 second: 30)
- (parse-ics-datetime "20201020T102030"))
- (test-equal "datetime (with zone)"
- (datetime year: 2020 month: 10 day: 20
- hour: 10 minute: 20 second: 30
- tz: "UTC")
- (parse-ics-datetime "20201020T102030Z")))
-
- (test-group "ISO"
- (test-equal "date"
- (date year: 2020 month: 10 day: 20)
- (parse-iso-date "2020-10-20"))
- (test-equal "time"
- (time hour: 10 minute: 20 second: 30)
- (parse-iso-time "10:20:30"))
- (test-equal "datetime"
- (datetime year: 2020 month: 10 day: 20
- hour: 10 minute: 20 second: 30)
- (parse-iso-datetime "2020-10-20T10:20:30")))
-
- ;; Parse freeform date
- )
-
- (test-group "string->date/-time"
- (test-equal "Date like gives date"
- (date year: 2020 month: 10 day: 20)
- (string->date/-time "2020-10-20"))
- (test-equal "Time like gives time"
- (time hour: 10 minute: 20 second: 30)
- (string->date/-time "10:20:30"))
- (test-equal "Datetime like gives datetime"
- (datetime year: 2020 month: 10 day: 20
- hour: 10 minute: 20 second: 30)
- (string->date/-time "2020-10-20T10:20:30"))
-
- ;; These are disabled since trailing fmt is allowed
- ;; (test-error "Bad date-like crashes"
- ;; 'misc-error (string->date/-time "2020-10"))
- ;; (test-error "Bad time-like crashes"
- ;; 'misc-error (string->date/-time "20:10"))
- (test-error "Really bad crashes"
- 'misc-error (string->date/-time "Hello"))
- ))
-
-
-(test-group "Reader extensions"
-
- ;; All tests have a list variant, to ensure that it plays nice with the rest
- ;; of scheme's syntax
-
- (test-equal "Basic time read syntax"
- (time hour: 10 minute: 20 second: 30)
- (test-read-eval-string "#10:20:30"))
-
- (test-equal "Basic time read syntax in list"
- (list (time hour: 10 minute: 20 second: 30))
- (test-read-eval-string "(list #10:20:30)"))
-
- (test-equal "Basic date read syntax"
- (date year: 2020 month: 3 day: 10)
- (test-read-eval-string "#2020-03-10"))
-
- (test-equal "Basic date read syntax in list"
- (list (date year: 2020 month: 3 day: 10))
- (test-read-eval-string "(list #2020-03-10)"))
-
- (test-equal "Basic datetime read syntax"
- (datetime date: (date year: 2020 month: 3 day: 10)
- time: (time hour: 10 minute: 20 second: 30))
- (test-read-eval-string "#2020-03-10T10:20:30"))
-
- (test-equal "Basic datetime read syntax in list"
- (list (datetime date: (date year: 2020 month: 3 day: 10)
- time: (time hour: 10 minute: 20 second: 30)))
- (test-read-eval-string "(list #2020-03-10T10:20:30)"))
-
- (test-equal "Basic datetime read syntax with Z"
- (datetime date: (date year: 2020 month: 3 day: 10)
- time: (time hour: 10 minute: 20 second: 30)
- tz: "UTC")
- (test-read-eval-string "#2020-03-10T10:20:30Z"))
-
- (test-equal "Basic datetime read syntax with Z in list"
- (list
- (datetime date: (date year: 2020 month: 3 day: 10)
- time: (time hour: 10 minute: 20 second: 30)
- tz: "UTC"))
- (test-read-eval-string "(list #2020-03-10T10:20:30Z)"))
- )
-
-
-
-
-(test-equal "Datetime->unix-time"
- 1656005146 (datetime->unix-time #2022-06-23T17:25:46Z))
-
-(test-equal "Datetime->unix-time before epoch"
- -62167219200
- (datetime->unix-time #0000-01-01T00:00:00Z))
-
-(test-equal "unix-time->datetime" #2020-09-13T12:26:40Z
- (unix-time->datetime 1600000000))
-(test-equal "unix-time->datetime on epoch" #1970-01-01T00:00:00Z
- (unix-time->datetime 0))
-(test-equal "unix-time->datetime before epoch" #1919-04-20T11:33:20Z
- (unix-time->datetime -1600000000))
-
-;; (unix-time->datetime (expt 2 31)) ; => #2038-01-19T03:14:08Z
-;; (unix-time->datetime (1+ (expt 2 31))) ; => #2038-01-19T03:14:09Z
-;; (unix-time->datetime (- (expt 2 31))) ; => #1901-12-13T20:45:52Z
-
-
-(test-assert "Current datetime returns a datetime"
- (datetime? (current-datetime)))
-(test-equal "Current datetime returns with tz: UTC"
- "UTC" (tz (current-datetime)))
-(test-assert "Current-date returns a date"
- (date? (current-date)))
-
-
-;; TODO write these, also, check connection to get-time%
-get-datetime
-as-date
-as-time
-as-datetime
-
-(test-group "Leap years"
- (test-assert "Most years are't leap years" (not (leap-year? 1999)))
- (test-assert "Except if it's divisible by 4" (leap-year? 2020))
- (test-assert "But not by 100" (not (leap-year? 1900)))
- (test-assert "Except if also divisible by 400" (leap-year? 2000)))
-
-(test-assert "31 days in most month" (days-in-month (date month: jan)))
-(test-assert "30 days in some month" (days-in-month (date month: apr)))
-(test-assert "28 days in februrary on regular year"
- (days-in-month (date month: feb year: 2022)))
-(test-assert "29 days in februrary on leap year"
- (days-in-month (date month: feb year: 2000)))
-(test-error "To low month" 'out-of-range (days-in-month (date month: 0)))
-(test-error "To high month" 'out-of-range (days-in-month (date month: 13)))
-
-(test-equal "365 days in regular year" 365 (days-in-year (date year: 2022)))
-(test-equal "366 days in leap year" 366 (days-in-year (date year: 2000)))
-
-(test-equal "Start of month" #2020-01-01 (start-of-month #2020-01-15))
-(test-equal "End of month" #2000-02-29 (end-of-month #2000-02-01))
-
-(test-equal "Start of year" #2020-01-01 (start-of-year #2020-12-31))
-;; Note that end-of-year (apparently) doesn't exist
-
-(test-group "Date streams"
- (test-equal "Day stream"
- (list #2020-01-01 #2020-01-02 #2020-01-03 #2020-01-04 #2020-01-05)
- (stream->list 5 (day-stream #2020-01-01)))
- (test-equal "Week stream"
- (list #2020-01-01 #2020-02-01 #2020-03-01 #2020-04-01 #2020-05-01)
- (stream->list 5 (month-stream #2020-01-01)))
- (test-equal "Month stream"
- (list #2020-01-01 #2020-01-08 #2020-01-15 #2020-01-22 #2020-01-29)
- (stream->list 5 (week-stream #2020-01-01))))
-
-;; See time< tests for more context
-(test-group "Min/max"
- (test-equal "Time min"
- #07:40:50 (time-min #10:20:30 #07:40:50))
- (test-equal "Time max"
- #10:20:30 (time-max #10:20:30 #07:40:50))
-
- (test-equal "Date min"
- #2020-02-02 (date-min #2020-02-02 #2020-03-01))
- (test-equal "Date max"
- #2020-03-01 (date-max #2020-02-02 #2020-03-01))
-
- (test-equal "Datetime min"
- #2020-02-02T10:20:30 (datetime-min #2020-02-02T10:20:30 #2020-03-01T07:40:50))
- (test-equal "Datetime max"
- #2020-03-01T07:40:50 (datetime-max #2020-02-02T10:20:30 #2020-03-01T07:40:50)))
-
-(test-equal "Week day" thu (week-day #2022-06-23))
-
-(test-equal "week-1-start" #2019-12-30 (week-1-start #2020-01-01 mon))
-
-;; Possibly add case where the end of the year uses next years week numbers
-(test-equal "Week number at end of year" 53 (week-number #2008-12-31 sun))
-(test-equal "Week number at start of year" 53 (week-number #2009-01-01 sun))
-
-(test-equal #2008-12-28 (date-starting-week 53 (date year: 2008) sun))
-(test-equal #2007-12-30 (date-starting-week 1 (date year: 2008) sun))
-
-(test-group "Week day name"
- (test-equal "Simple" "Saturday" (week-day-name sat locale: en_US))
- (test-equal "Truncated" "Sa" (week-day-name sat 2 locale: en_US))
- (test-equal "Other locale" "lördag" (week-day-name sat locale: sv_SE))
- (test-equal "Other locale, truncated" "lö" (week-day-name sat 2 locale: sv_SE)))
-
-;; TODO timespans can be both date, times, and datetimes
-;; Check those cases?
-(test-group "Overlapping timespans"
- ;; A B C D E ¬F
- ;; |s1| : |s2| : |s1| : |s2| : : |s1|
- ;; | | : | | : | ||s2| : |s1|| | : |s1||s2| : | |
- ;; | ||s2| : |s1|| | : | || | : | || | : | || | :
- ;; | | : | | : | || | : | || | : | || | : |s2|
- ;; | | : | | : | | : | | : : | |
- (test-assert "End of S1 overlaps start of S2"
- (timespan-overlaps? #10:00:00 #12:00:00
- #11:00:00 #13:00:00))
- (test-assert "Start of S1 overlaps end of S2"
- (timespan-overlaps? #11:00:00 #13:00:00
- #10:00:00 #12:00:00))
- (test-assert "S1 complete encompasses S2"
- (timespan-overlaps? #10:00:00 #13:00:00
- #11:00:00 #12:00:00))
- (test-assert "S2 complete encompasses S1"
- (timespan-overlaps? #11:00:00 #12:00:00
- #10:00:00 #13:00:00))
- (test-assert "S1 is equal to S2"
- (timespan-overlaps? #11:00:00 #12:00:00
- #11:00:00 #12:00:00))
- (test-assert "S1 dosesn't overlap S2"
- (not
- (timespan-overlaps? #10:00:00 #11:00:00
- #12:00:00 #13:00:00)))
- (test-assert "If the events only share an instant they don't overlap"
- (not
- (timespan-overlaps? #10:00:00 #12:00:00
- #12:00:00 #14:00:00))))
-
-(test-equal #2022-06-25 (find-first-week-day sat #2022-06-23))
-
-(test-group "All weekdays in <>"
- (test-equal "month, if starting from beginning of month"
- (list #2022-06-03 #2022-06-10 #2022-06-17 #2022-06-24)
- (all-wday-in-month fri #2022-06-01))
-
- (test-equal "month, if starting from the middle"
- (list #2022-06-24)
- (all-wday-in-month fri #2022-06-23))
-
- (test-equal "year, if starting from the beggining"
- (list #2022-01-07 #2022-01-14 #2022-01-21 #2022-01-28 #2022-02-04 #2022-02-11 #2022-02-18 #2022-02-25 #2022-03-04 #2022-03-11 #2022-03-18 #2022-03-25 #2022-04-01 #2022-04-08 #2022-04-15 #2022-04-22 #2022-04-29 #2022-05-06 #2022-05-13 #2022-05-20 #2022-05-27 #2022-06-03 #2022-06-10 #2022-06-17 #2022-06-24 #2022-07-01 #2022-07-08 #2022-07-15 #2022-07-22 #2022-07-29 #2022-08-05 #2022-08-12 #2022-08-19 #2022-08-26 #2022-09-02 #2022-09-09 #2022-09-16 #2022-09-23 #2022-09-30 #2022-10-07 #2022-10-14 #2022-10-21 #2022-10-28 #2022-11-04 #2022-11-11 #2022-11-18 #2022-11-25 #2022-12-02 #2022-12-09 #2022-12-16 #2022-12-23 #2022-12-30)
- (all-wday-in-year fri #2022-01-01))
-
- (test-equal "year, if starting from the middle"
- (list #2022-06-03 #2022-06-10 #2022-06-17 #2022-06-24 #2022-07-01 #2022-07-08 #2022-07-15 #2022-07-22 #2022-07-29 #2022-08-05 #2022-08-12 #2022-08-19 #2022-08-26 #2022-09-02 #2022-09-09 #2022-09-16 #2022-09-23 #2022-09-30 #2022-10-07 #2022-10-14 #2022-10-21 #2022-10-28 #2022-11-04 #2022-11-11 #2022-11-18 #2022-11-25 #2022-12-02 #2022-12-09 #2022-12-16 #2022-12-23 #2022-12-30)
- (all-wday-in-year fri #2022-06-01)))
-
-;; TODO
-in-date-range?
-
-(test-equal "weekday-list" (list wed thu fri sat sun mon tue) (weekday-list wed))
-(test-equal "start of week" #2022-06-20 (start-of-week #2022-06-23 mon))
-(test-equal "end of week" #2022-06-26 (end-of-week #2022-06-23 mon))
-
-
-(test-group "month-days"
- (call-with-values (lambda () (month-days #2022-06-01 mon))
- (lambda (before actual after)
- (test-equal "before" (list #2022-05-30 #2022-05-31) before)
- (test-equal "actual" (stream->list 30 (day-stream #2022-06-01)) actual)
- (test-equal "after" (list #2022-07-01 #2022-07-02 #2022-07-03) after))))
-
-(test-group "Days in interval"
- (test-equal "Steps from start to end of month" 31 (days-in-interval #2022-01-01 #2022-01-31))
- (test-error "Negative intervals should fail" 'misc-error (days-in-interval #2022-01-01 #2020-01-31)))
-
-(test-equal "Year day" 191 (year-day #2020-07-09))
-
-(test-group "Convertions to decimal time"
- (test-group "Time->decimal-hour"
- (test-equal "Exact number of hours is whole number" 5.0 (time->decimal-hour (time hour: 5)))
- (test-equal "Minutes are \"base\" 60" 5.5 (time->decimal-hour (time hour: 5 minute: 30)))
- (test-equal "60 Minutes gives a whole hour" 6.0 (time->decimal-hour (time hour: 5 minute: 60)))
- (test-equal "A second is the right length" (/ 1.0 3600) (time->decimal-hour (time second: 1))))
-
- (test-group "Datetime->decimal-hour"
- (test-equal "Datetimes without dates work as times"
- 5.5 (datetime->decimal-hour (datetime hour: 5 minute: 30)))
- (test-equal "Full day" 24.0 (datetime->decimal-hour (datetime day: 1)))
- (test-error "Can't get length of month without information about which month"
- 'misc-error (datetime->decimal-hour (datetime month: 1)))
- (test-equal "Can get length of month if we have a month"
- (* 31 24.0) (datetime->decimal-hour (datetime month: 1) #2020-01-01))))
-
-;; TODO
-date-range
-
-(test-group "To string"
- (test-group "Datetime->string"
- (test-equal "A letter becomes itself"
- "H" (datetime->string (datetime) "H"))
- (test-group "Single rules"
- (test-equal "~" (datetime->string (datetime) "~~"))
- (test-equal "01" (datetime->string (datetime hour: 1) "~H"))
- (test-equal " 1" (datetime->string (datetime hour: 1) "~k"))
- (test-equal "02" (datetime->string (datetime minute: 2) "~M"))
- (test-equal "03" (datetime->string (datetime second: 3) "~S"))
- (test-equal "0002" (datetime->string (datetime year: 2) "~Y"))
- (test-equal "02" (datetime->string (datetime month: 2) "~m"))
- (test-equal "04" (datetime->string (datetime day: 4) "~d"))
- (test-equal " 4" (datetime->string (datetime day: 4) "~e"))
- (test-equal "1600000000" (datetime->string #2020-09-13T12:26:40Z "~s"))
-
- (test-equal "2022-10-20" (datetime->string (datetime date: #2022-10-20) "~1"))
- (test-equal "10:20:30" (datetime->string (datetime time: #10:20:30) "~3"))
-
- (test-group "Locale dependant (en_US)"
- (test-equal "Saturday" (datetime->string (datetime date: (find-first-week-day sat #2020-01-01)) "~A" en_US))
- (test-equal "Sat" (datetime->string (datetime date: (find-first-week-day sat #2020-01-01)) "~a" en_US))
- (test-equal "January" (datetime->string (datetime date: (date month: 1)) "~B" en_US))
- (test-equal "Jan" (datetime->string (datetime date: (date month: 1)) "~b" en_US)))
-
- (test-group "Locale dependant (sv_SE)"
- (test-equal "lördag" (datetime->string (datetime date: (find-first-week-day sat #2020-01-01)) "~A" sv_SE))
- (test-equal "lör" (datetime->string (datetime date: (find-first-week-day sat #2020-01-01)) "~a" sv_SE))
- (test-equal "januari" (datetime->string (datetime date: (date month: 1)) "~B" sv_SE))
- (test-equal "jan" (datetime->string (datetime date: (date month: 1)) "~b" sv_SE)))
-
- (test-group "Timezone"
- (test-equal "Z" (datetime->string (datetime tz: "UTC") "~Z"))
- (test-equal "" (datetime->string (datetime tz: #f) "~Z"))
- (test-equal "" (datetime->string (datetime tz: "Anything else") "~Z"))))
-
-
- (test-equal "Default fomat specifier gives ISO-formatted date"
- "2006-01-02T15:04:05" (datetime->string #2006-01-02T15:04:05))
-
- (test-group "Invalid specifiers"
- (test-equal "" (datetime->string (datetime) "~x" allow-unknown?: #t))
- (test-error 'misc-error (datetime->string (datetime) "~x")))
-
- (test-group "Print syntax for datatypes"
- (test-equal "Date writer" "#2020-01-02" (with-output-to-string (lambda () (write #2020-01-02))))
- (test-equal "Time writer" "#20:30:40" (with-output-to-string (lambda () (write #20:30:40))))
- (test-equal "Datetime writer" "#2020-01-02T20:30:40" (with-output-to-string (lambda () (write #2020-01-02T20:30:40))))
- (test-equal "Datetime writer (with tz)" "#2020-01-02T20:30:40Z" (with-output-to-string (lambda () (write #2020-01-02T20:30:40Z))))))
-
- ;; Really basic tests, since these are rather thin wrappers
- (test-equal "date->string" "0000-00-00" (date->string (date)))
- (test-equal "time->string" "00:00:00" (time->string (time))))
-
-(test-group "Equals"
- ;; date=?, time=?, and datetime=? are alias to their non-question-mark
- ;; alternatives. Using them interchangably below.
- (test-group "date"
- (test-assert "Zero dates are all equal"
- (date=))
- (test-assert "A single date is equal to itself"
- (date=? #2020-10-20))
- (test-assert "Two dates are equal to each other"
- (date= #2020-10-20 #2020-10-20))
- (test-assert "Two dates which are NOT equal to each other"
- (not (date= #2020-10-20 #2020-10-21)))
- (test-assert "More than two dates which are all equal"
- (date=? #2020-10-20 #2020-10-20 #2020-10-20)))
-
- (test-group "time"
- (test-assert "Zero times are all equal"
- (time=))
- (test-assert "A single time is equal to itself"
- (time=? #20:30:40))
- (test-assert "Two times are equal to each other"
- (time= #20:30:40 #20:30:40))
- (test-assert "Two times which are NOT equal to each other"
- (not (time= #20:30:40 #10:30:40)))
- (test-assert "More than two times which are all equal"
- (time=? #20:30:40 #20:30:40 #20:30:40)))
-
- (test-group "Datetime"
- (test-assert "Zero datetimes \"all\" are equal"
- (datetime=))
- (test-assert "A single datetime is equal to itself"
- (datetime= (datetime)))
- (test-assert "Two equal datetimes are equal"
- (datetime= (datetime hour: 1) (datetime hour: 1)))
- (test-assert "Two dissimmalar datetimes aren't equal"
- (not (datetime= (datetime hour: 1) (datetime hour: 2))))
-
- ;; NOTE timezone interactions are non-existant
- (test-assert "Two datetimes are equal, regardless of timezone"
- (datetime= (datetime) (datetime tz: "Something Else")))
-
- (test-assert "Three equal datetimes are equal"
- (datetime= (datetime hour: 1) (datetime hour: 1) (datetime hour: 1)))))
-
-(test-group "Comparisons"
- (test-group "Zero arguments"
- (test-group "Dates"
- (test-assert "zero dates are greater" (date<))
- (test-assert "zero dates are less" (date>)))
- (test-group "Times"
- (test-assert "zero times are greater" (time<))
- (test-assert "zero times are less" (time>)))
- (test-group "Datetimes"
- (test-assert "zero datetimes are greater" (datetime<))
- (test-assert "zero datetimes are less" (datetime>))))
-
- (test-group "Single argument"
- (test-group "Dates"
- (test-assert "one date are greater" (date< (date)))
- (test-assert "one date are less" (date> (date))))
- (test-group "Times"
- (test-assert "one time are greater" (time< (time)))
- (test-assert "one time are less" (time> (time))))
- (test-group "Datetimes"
- (test-assert "one datetime are greater" (datetime< (datetime)))
- (test-assert "one datetime are less" (datetime> (datetime)))))
-
-
- (test-group "Two arguments"
- (test-group "Dates"
- (test-assert "positive comparison" (date< (date day: 1) (date day: 2)))
- (test-assert "negative comparison" (not (date> (date day: 1) (date day: 2)))))
- (test-group "Times"
- (test-assert "positive comparison" (time< (time hour: 1) (time hour: 2)))
- (test-assert "negative comparison" (not (time> (time hour: 1) (time hour: 2)))))
- (test-group "Datetimes"
- (test-assert "positive comparison" (datetime< (datetime day: 1) (datetime day: 2)))
- (test-assert "negative comparison" (not (datetime> (datetime day: 1) (datetime day: 2))))))
-
- (test-group "Two arguments"
- (test-group "Dates"
- (test-assert "positive comparison"
- (date< (date day: 1) (date day: 2) (date day: 3)))
- (test-assert "negative comparison"
- (not (date< (date day: 1) (date day: 2) (date day: 1)))))
- (test-group "Times"
- (test-assert "positive comparison"
- (time< (time hour: 1) (time hour: 2) (time hour: 3)))
- (test-assert "negative comparison"
- (not (date< (date day: 1) (date day: 2) (date day: 1)))))
- (test-group "Datetimes"
- (test-assert "positive comparison"
- (datetime< (datetime day: 1) (datetime day: 2) (datetime day: 3)))
- (test-assert "negative comparison"
- (not (datetime< (datetime day: 1) (datetime day: 2) (datetime day: 1)))))))
-
-;; TODO
-date<=
-time<=
-datetime<=
-
-;; TODO
-date/-time< date/-time<? date/-time<= date/-time<=?
-date/-time> date/-time>? date/-time>= date/-time>=?
-
-(test-group "Arithmetic"
- (test-group "Date"
- (test-group "Unary application"
- (test-equal "Date+ single argument returns itself" (date) (date+ (date)))
- (test-equal "Date- single argument returns itself" (date) (date- (date))))
-
- (test-group "Simple cases"
- (test-group "Days"
- (test-equal "Add" #2020-01-06 (date+ #2020-01-01 (date day: 5)))
- (test-equal "Remove" #2020-01-01 (date- #2020-01-06 (date day: 5))))
- (test-group "Months"
- (test-equal "Add" #2020-06-01 (date+ #2020-01-01 (date month: 5)))
- (test-equal "Remove" #2020-01-01 (date- #2020-06-01 (date month: 5))))
- (test-group "Years"
- (test-equal "Add" #2022-01-01 (date+ #2020-01-01 (date year: 2)))
- (test-equal "Remove" #2020-01-01 (date- #2022-01-01 (date year: 2)))))
-
- (test-group "Many operands"
- (test-equal #2021-02-02
- (date+ #2020-01-01
- (date day: 1)
- (date month: 1)
- (date year: 1))))
-
- (test-group "Overflow"
- ;; Years don't overflow, so no need to test
- (test-equal "Day overflow" #2022-02-01 (date+ #2022-01-31 (date day: 1)))
- (test-equal "Month overflow" #2023-01-01 (date+ #2022-12-01 (date month: 1)))
- (test-equal "Date+Month overflow" #2023-01-01 (date+ #2022-12-31 (date day: 1))))
-
- ;; NOTE
- (test-equal #2020-02-31 (date+ #2020-01-31 (date month: 1)))
- )
-
- (test-group "Time"
- (test-group "Unary application"
- (test-equal "Time+ single argument returns itself" (time) (time+ (time)))
- (test-equal "Time- single argument returns itself" (time) (time- (time))))
-
- (test-group "Simple cases"
- (test-group "Seconds"
- (test-equal "Add" #20:00:40 (time+ #20:00:00 (time second: 40)))
- (test-equal "Remove" #20:00:00 (time- #20:00:40 (time second: 40))))
- (test-group "Minutes"
- (test-equal "Add" #20:10:00 (time+ #20:00:00 (time minute: 10)))
- (test-equal "Remove" #20:00:00 (time- #20:10:00 (time minute: 10))))
- (test-group "Hours"
- (test-equal "Add" #22:00:00 (time+ #20:00:00 (time hour: 2)))
- (test-equal "Remove" #20:00:00 (time- #22:00:00 (time hour: 2)))))
-
- (test-group "Overflowing cases"
- (test-group "Addition"
- (test-group "Single overflow"
- (call-with-values (lambda () (time+ #20:00:00 (time hour: 5)))
- (lambda (result overflow)
- (test-equal "Time" (time hour: 1) result)
- (test-equal "Overflow" 1 overflow))))
- (test-group "Mulitple overflows"
- (call-with-values (lambda () (time+ #20:00:00 (time hour: 5) (time hour: 24)))
- (lambda (result overflow)
- (test-equal "Time" (time hour: 1) result)
- (test-equal "Overflow" 2 overflow)))))
-
- (test-group "Subtraction"
- (test-group "Single overflow"
- (call-with-values (lambda () (time- #20:00:00 (time hour: 25)))
- (lambda (result overflow)
- (test-equal "Time" (time hour: 19) result)
- (test-equal "Overflow" 1 overflow))))
- (test-group "Mulitple overflows"
- (call-with-values (lambda () (time- (time hour: 4) (time hour: 10) (time hour: 24)))
- (lambda (result overflow)
- (test-equal "Time" (time hour: 18) result)
- (test-equal "Overflow" 2 overflow))))))))
-
-;; TODO
-datetime+ datetime-
-
-(test-group "Date difference"
- (test-assert "The differente between a date and itself is zero"
- (date-zero? (date-difference #2022-02-02 #2022-02-02)))
-
- (test-error "Later date must be first" 'misc-error
- (date-difference #2020-01-01 #2021-01-01))
-
- (test-error "Negative months are invalid" 'misc-error
- (date-difference (date) (date month: -1)))
- (test-error "Negative days are invalid" 'misc-error
- (date-difference (date) (date day: -1)))
- (test-equal "Negative years ARE valid"
- (date year: 1) (date-difference (date) (date year: -1))))
-
-;; TODO
-datetime-difference
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-29 10:41:18 +0200