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fix reported difference in datetime when passed in a date in the future (addresses #44) #45

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fix reported difference in datetime when passed in a date in the future (addresses #44) #45

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027db4a
fix reported difference in datetime when passed in a date in the future;
jf Nov 15, 2024
7bd8d8f
add tests for datetime handling of date arguments
jf Nov 16, 2024
f9ce047
update datetime tests to include ldt :dt-now argument
jf Nov 16, 2024
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14 changes: 13 additions & 1 deletion src/clj_commons/humanize.cljc
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
[clj-commons.humanize.inflect :refer [pluralize-noun in?]]
[clj-commons.humanize.time-convert :refer [coerce-to-local-date-time]]
[cljc.java-time.duration :as jt.duration]
[cljc.java-time.extn.predicates :as jt.predicates]
[cljc.java-time.local-date-time :as jt.ldt]
[clojure.string :as string :refer [join]]
#?@(:cljs [[goog.string :as gstring]
Expand Down Expand Up @@ -292,8 +293,16 @@
:or {now-dt (jt.ldt/now)
suffix "ago"
prefix "in"}}]
(let [then-dt (coerce-to-local-date-time then-dt)
(let [local-date? (jt.predicates/local-date? then-dt)
then-dt (coerce-to-local-date-time then-dt)
now-dt (coerce-to-local-date-time now-dt)
now-dt (if local-date?
(-> now-dt
(jt.ldt/with-hour 0)
(jt.ldt/with-minute 0)
(jt.ldt/with-second 0)
(jt.ldt/with-nano 0))
now-dt)
future-time? (jt.ldt/is-after then-dt now-dt)
;; get the Duration between the two times
time-between (-> (jt.duration/between then-dt now-dt)
Expand Down Expand Up @@ -342,6 +351,9 @@
future-time?
(str prefix " a moment")

local-date?
"today"

:else
(str "a moment " suffix))))

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23 changes: 21 additions & 2 deletions test/clj_commons/humanize_test.cljc
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@
duration]
:as h]
[clojure.math :as math]
[cljc.java-time.local-date :as jt.ld]
[cljc.java-time.local-date-time :as jt.ldt]))

(def ^:private expt math/pow)
Expand Down Expand Up @@ -216,7 +217,8 @@

(deftest datetime-test
(let [t1-str "2022-01-01T01:00:00"
t1 (jt.ldt/parse t1-str)]
t1 (jt.ldt/parse t1-str)
ld-now (jt.ld/now)]
(is (= "a moment ago"
(datetime (jt.ldt/now)))
":now-dt is optional")
Expand Down Expand Up @@ -256,7 +258,24 @@
(datetime (jt.ldt/plus-years t1 1)
:now-dt t1
:suffix "foo"))
"suffix for a time in the past does nothing"))))
"suffix for a time in the past does nothing"))
(testing "datetime handles date arguments intuitively and without being affected by the specific time now"
(is (= "today"
(datetime ld-now))
"LocalDate/now is today")
(is (= "today"
(datetime ld-now
:now-dt (jt.ldt/now)))
"has no problems with ldt :now-dt arguments")
(is (and (= "in 1 day"
(datetime (jt.ld/plus-days ld-now 1)))
(= "1 day ago"
(datetime (jt.ld/minus-days ld-now 1)))
(= "in 3 days"
(datetime (jt.ld/plus-days ld-now 3)))
(= "3 days ago"
(datetime (jt.ld/minus-days ld-now 3))))
"equidistant dates in the future vs past are accounted for in the same way"))))

(deftest durations
(testing "duration to terms"
Expand Down