fixes in built-in schedulers

Author: InsanusMokrassar

CHANGELOG.md

@@ -6,6 +6,7 @@
   * `Kotlin`: `1.9.23`
   * `Serialization`: `1.6.3`
   * `Klock`: `5.3.2`
+* Fixes in build-in schedulers
 
 ## 2.2.8
 

src/commonMain/kotlin/SchedulerShortcuts.kt

@@ -34,35 +34,60 @@ val EverySecondScheduler: KronScheduler by lazy {
  * [KronScheduler.next] will always return [korlibs.time.DateTime.now] + one minute
  */
 val EveryMinuteScheduler: KronScheduler by lazy {
-    buildSchedule { minutes { 0 every 1 } }
+    buildSchedule {
+        seconds { at(0) }
+        minutes { 0 every 1 }
+    }
 }
 
 /**
  * [KronScheduler.next] will always return [korlibs.time.DateTime.now] + one hour
  */
 val EveryHourScheduler: KronScheduler by lazy {
-    buildSchedule { hours { 0 every 1 } }
+    buildSchedule {
+        seconds { at(0) }
+        minutes { at(0) }
+        hours { 0 every 1 }
+    }
 }
 
 /**
  * [KronScheduler.next] will always return [korlibs.time.DateTime.now] + one day
  */
 val EveryDayOfMonthScheduler: KronScheduler by lazy {
-    buildSchedule { dayOfMonth { 0 every 1 } }
+    buildSchedule {
+        seconds { at(0) }
+        minutes { at(0) }
+        hours { at(0) }
+        dayOfMonth { 0 every 1 }
+    }
 }
 
 /**
  * [KronScheduler.next] will always return [korlibs.time.DateTime.now] + one month
  */
 val EveryMonthScheduler: KronScheduler by lazy {
-    buildSchedule { months { 0 every 1 } }
+    buildSchedule {
+        seconds { at(0) }
+        minutes { at(0) }
+        hours { at(0) }
+        dayOfMonth { at(0) }
+        months { 0 every 1 }
+    }
 }
 
 /**
  * [KronScheduler.next] will always return [korlibs.time.DateTime.now] + one year
  */
 val EveryYearScheduler: KronScheduler by lazy {
-    buildSchedule { years { 0 every 1 } }
+    buildSchedule {
+        seconds { at(0) }
+        minutes { at(0) }
+        hours { at(0) }
+        dayOfMonth { at(0) }
+        months { at(0) }
+        years { 0 every 1 }
+    }
 }
 
 /**

src/commonMain/kotlin/builder/SchedulerBuilder.kt

@@ -182,15 +182,24 @@ class SchedulerBuilder(
      */
     fun build(): KronScheduler = offset ?.let {
         createKronSchedulerWithOffset(
-            seconds,
-            minutes,
-            hours,
-            dayOfMonth,
-            month,
-            year,
-            dayOfWeek,
-            TimezoneOffset(it.minutes),
-            milliseconds ?: millisecondsArrayDefault
+            seconds = seconds,
+            minutes = minutes,
+            hours = hours,
+            dayOfMonth = dayOfMonth,
+            month = month,
+            years = year,
+            weekDays = dayOfWeek,
+            offset = TimezoneOffset(it.minutes),
+            milliseconds = milliseconds ?: millisecondsArrayDefault
         )
-    } ?: createKronScheduler(seconds, minutes, hours, dayOfMonth, month, year, dayOfWeek, milliseconds ?: millisecondsArrayDefault)
+    } ?: createKronScheduler(
+        seconds = seconds,
+        minutes = minutes,
+        hours = hours,
+        dayOfMonth = dayOfMonth,
+        month = month,
+        years = year,
+        weekDays = dayOfWeek,
+        milliseconds = milliseconds ?: millisecondsArrayDefault
+    )
 }

src/commonTest/kotlin/BuildersTest.kt

@@ -0,0 +1,38 @@
+package dev.inmo.krontab.utils
+
+import dev.inmo.krontab.*
+import korlibs.time.*
+import kotlinx.coroutines.test.runTest
+import kotlin.test.Test
+import kotlin.test.assertEquals
+import kotlin.time.Duration.Companion.milliseconds
+import kotlin.time.Duration.Companion.minutes
+import kotlin.time.Duration.Companion.seconds
+
+class BuildersTest {
+    @Test
+    fun presetsWorksCorrectly() {
+        val data = mapOf(
+            EverySecondScheduler to { it: DateTime -> if (it.milliseconds > 0 ) it + 1.seconds - it.milliseconds.milliseconds else it },
+            EveryMinuteScheduler to { it: DateTime -> if (it.seconds > 0 || it.milliseconds > 0 ) it + 1.minutes - it.seconds.seconds - it.milliseconds.milliseconds else it },
+            EveryHourScheduler to { it: DateTime -> if (it.minutes > 0 || it.seconds > 0 || it.milliseconds > 0 ) it + 1.hours - it.minutes.minutes - it.seconds.seconds - it.milliseconds.milliseconds else it },
+            EveryDayOfMonthScheduler to { it: DateTime -> if (it.hours > 0 || it.minutes > 0 || it.seconds > 0 || it.milliseconds > 0 ) it + 1.days - it.hours.hours - it.minutes.minutes - it.seconds.seconds - it.milliseconds.milliseconds else it },
+            EveryMonthScheduler to { it: DateTime -> if (it.dayOfMonth > 1 || it.hours > 0 || it.minutes > 0 || it.seconds > 0 || it.milliseconds > 0 ) (it + 1.months).copy(dayOfMonth = 1, hour = 0, minute = 0, second = 0, milliseconds = 0) else it },
+        )
+        val samples = 10000
+
+        runTest {
+            var now = DateTime.now()
+            for (i in 0 until samples) {
+                data.forEach { (scheduler, expectCalculator) ->
+                    val expectValue = expectCalculator(now)
+                    val newNow = scheduler.nextOrRelative(now)
+
+                    assertEquals(expectValue, newNow, "For time ${now.toStringDefault()} calculated wrong value: ${newNow.toStringDefault()} is not equal to ${expectValue.toStringDefault()}")
+
+                    now = newNow
+                }
+            }
+        }
+    }
+}