day-of-week (clj)

(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])))

(deftest day-of-week
  (let [days (fn [strings] (map t/day-of-week strings))]
    (is (every? #{cljc.java-time.day-of-week/sunday} (days ["sun" "sunday"])))
    (is (every? #{cljc.java-time.day-of-week/monday} (days ["mon" "monday"])))
    (is (every? #{cljc.java-time.day-of-week/tuesday} (days ["tue" "tues" "tuesday"])))
    (is (every? #{cljc.java-time.day-of-week/wednesday} (days ["wed" "weds" "wednesday"])))
    (is (every? #{cljc.java-time.day-of-week/thursday} (days ["thur" "thurs" "thursday"])))
    (is (every? #{cljc.java-time.day-of-week/friday} (days ["fri" "friday"])))
    (is (every? #{cljc.java-time.day-of-week/saturday} (days ["sat" "saturday"])))))

(deftest adjusters
  (is (= (t/date "2022-01-15")
         (t/day-of-week-in-month (t/date "2022-01-01") 3 t/SATURDAY)))
  (is (= (t/date "2022-01-01")
         (t/first-in-month (t/date "2022-01-01") t/SATURDAY)))
  (is (= (t/date "2022-01-29")
         (t/last-in-month (t/date "2022-01-01") t/SATURDAY)))
  (is (= (t/date "2022-01-08")
         (t/next (t/date "2022-01-01") t/SATURDAY)))
  (is (= (t/date "2022-01-01")
         (t/next-or-same (t/date "2022-01-01") t/SATURDAY)))
  (is (= (t/date "2021-12-25")
         (t/previous (t/date "2022-01-01") t/SATURDAY)))
  (is (= (t/date "2022-01-01")
         (t/previous-or-same (t/date "2022-01-01") t/SATURDAY))))


(deftest predicates-test
  (is (true? (t/clock? (t/clock))))
  (is (true? (t/day-of-week? t/MONDAY)))
  (is (true? (t/duration? (t/new-duration 1 :minutes))))
  (is (true? (t/instant? (t/instant))))
  (is (true? (t/date? (t/today))))
  (is (true? (t/date-time? (t/at (t/today) (t/new-time 0 0)))))
  (is (true? (t/time? (t/new-time 0 0))))
  (is (true? (t/month? t/MAY)))
  (is (true? (t/offset-date-time? (t/offset-date-time))))
  (is (true? (t/period? (t/new-period 1 :weeks))))
  (is (true? (t/year? (t/year))))
  (is (true? (t/year-month? (t/year-month))))
  (is (true? (t/zone? (t/zone))))
  (is (true? (t/zone-offset? (t/zone-offset (t/zoned-date-time)))))
  (is (true? (t/zoned-date-time? (t/zoned-date-time))))
  (is (false? (t/date? 16)))
  (is (false? (t/month? 16))))