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beginning (clj)
(source)function
(beginning v)
the beginning of the range of ITimeSpan v or v
Examples
tick
(ns tick.api-test
(:require
[clojure.test
:refer [deftest is testing run-tests]
:refer-macros [deftest is testing run-tests]]
[tick.core :as t]
[tick.locale-en-us]
[tick.protocols :as p]
[cljc.java-time.clock]
[cljc.java-time.instant]
[cljc.java-time.day-of-week]
[cljc.java-time.month]
[cljc.java-time.year]
#?@(:cljs [[java.time :refer [Instant]]]))
#?(:clj
(:import [java.time Instant])))
(extend-protocol p/ITimeSpan
; as required by some tests in this ns
Instant
(beginning [i] i)
(end [i] i))
(let [now (t/instant)
from (t/<< now (t/new-duration 10 :seconds))
to (t/>> now (t/new-duration 10 :seconds))]
(is (= (t/new-duration 20 :seconds) (t/between from to) ))
(is (= 20 (t/between from to :seconds))))
(is
(= (t/new-duration 48 :hours)
(t/between (t/beginning (t/today)) (t/end (t/tomorrow)))))
(let [start (t/date-time "2020-01-01T12:00")
end (t/date-time "2020-01-01T12:02")]
(is
(=
(t/new-duration 2 :minutes)
(t/between start end))
(= 2 (t/between start end :minutes))))
(is
(=
(t/new-duration 30 :minutes)
(t/between (t/new-time 11 0 0) (t/new-time 11 30 0))))
(testing "LocalDate"
(let [start (t/date "2020-01-01")
end (t/date "2020-01-02")]
(is (= (t/new-period 1 :days)
(t/between start end)))
(is (= 1 (t/between start end :days))))))
(deftest range-test
(is (t/midnight? (t/beginning (t/today))))
(is (t/midnight? (t/end (t/today))))
(is (t/midnight? (t/beginning (t/year))))
(is (t/midnight? (t/end (t/year)))))
(deftest coincidence-test
(let [int-beginning (t/instant "2020-02-02T00:00:00Z")
int-end (t/>> int-beginning (t/of-hours 2))
interval {:tick/beginning int-beginning
:tick/end int-end}]
(is (t/coincident? interval (t/>> int-beginning (t/of-hours 1))))
(is (not (t/coincident? interval (t/<< int-beginning (t/of-hours 1)))))
(is (t/coincident? interval int-beginning))
(is (t/coincident? interval int-end))
(is (t/coincident? interval interval))
(is (not (t/coincident? interval (-> interval
(update :tick/end #(t/>> % (t/of-nanos 1))))))))
(testing "non-interval coincidence"
(doseq [[start-f new-amount] [[t/date t/of-days] [t/date-time t/of-hours]]]
(let [start (start-f)
end (t/>> start (new-amount 2))]
(is (t/coincident? start end (t/>> start (new-amount 1))))
(is (not (t/coincident? start end (t/<< start (new-amount 1)))))
(is (t/coincident? start end start))
(is (t/coincident? start end end))))))
(is (= (t/of-hours 24) (t/duration (t/date))))
(is (= (t/of-days 1) (t/duration {:tick/beginning (t/date)
:tick/end (t/inc (t/date))}))))
tick
(ns tick.alpha.interval-test
(:require
[clojure.spec.alpha :as s]
[tick.core :as t]
[tick.protocols :as p]
[clojure.test
:refer [deftest is testing run-tests]
:refer-macros [deftest is testing run-tests]]
[tick.alpha.interval :as ti]
#?@(:cljs [[java.time :refer [Instant LocalDateTime LocalTime]]]))
#?(:clj
(:import [java.time LocalDateTime Instant LocalTime])))
(extend-protocol p/ITimeSpan
; as required by some tests in this ns
Instant
(beginning [i] i)
(end [i] i)
LocalDateTime
(beginning [i] i)
(end [i] i))
(deftest normalize-test
(let [intervals
[(ti/new-interval (t/date "2017-06-15") (t/date "2017-06-25"))
(ti/new-interval (t/date "2017-06-26") (t/date "2017-06-28"))
(ti/new-interval (t/date "2017-06-30") (t/date "2017-07-04"))]]
(is (= [{:tick/intervals
[{:tick/beginning (t/date-time "2017-06-15T00:00")
:tick/end (t/date-time "2017-06-26T00:00")}
{:tick/beginning (t/date-time "2017-06-26T00:00")
:tick/end (t/date-time "2017-06-29T00:00")}]}
{:tick/intervals
[{:tick/beginning (t/date-time "2017-06-30T00:00")
:tick/end (t/date-time "2017-07-05T00:00")}]}]
;; TODO: more Interval testing
(deftest successive-intervals-meet
(doseq [x [(t/date) (t/year) (t/year-month)]]
(is (ti/meets? (t/end x) (t/beginning (t/inc x))))))
;; Can we disturb?
(deftest cannot-disturb-test
(extend-protocol p/ITimeSpan
LocalTime
(beginning [i] i)
(end [i] i))
(let
[disturb-interval [(ti/new-interval (t/time "07:00") (t/time "22:00"))]
no-disturb-interval (ti/complement disturb-interval)
can-disturb? (fn [t] (not (some #(t/coincident? % t) no-disturb-interval)))
]
(is (not (can-disturb? (t/time "03:00"))))
(is (not (can-disturb? (t/time "07:00"))))
(is (can-disturb? (t/time "07:01")))
(is (can-disturb? (t/time "12:00")))
(is (can-disturb? (t/time "21:59")))
(is (not (can-disturb? (t/time "22:00"))))
(is (not (can-disturb? (t/time "00:00"))))))