How to use DateTimeToFirstOfYear class of NBi.Core.Transformation.Transformer.Native package

Best NBi code snippet using NBi.Core.Transformation.Transformer.Native.DateTimeToFirstOfYear

DateToPointInTimeTest.cs

Source:DateToPointInTimeTest.cs

...240        [TestCase("2018-02-01 07:00:00", "2018-01-01")]241        [TestCase("2018-02-12 07:00:00", "2018-01-01")]242        [TestCase(null, null)]243        [TestCase("(null)", null)]244        public void Execute_DateTimeToFirstOfYear_Valid(object value, DateTime expected)245        {246            var function = new DateTimeToFirstOfYear();247            var result = function.Evaluate(value);248            if (expected == new DateTime(1, 1, 1))249                Assert.That(result, Is.Null);250            else251                Assert.That(result, Is.EqualTo(expected));252        }253        [Test]254        [TestCase("2018-02-01 00:00:00", "2018-02-28")]255        [TestCase("2018-02-01 07:00:00", "2018-02-28")]256        [TestCase("2018-02-12 07:00:00", "2018-02-28")]257        [TestCase("2020-02-12 07:00:00", "2020-02-29")]258        [TestCase(null, null)]259        [TestCase("(null)", null)]260        public void Execute_DateTimeToLastOfMonth_Valid(object value, DateTime expected)...

DateTimeTransformations.cs

Source:DateTimeTransformations.cs

...51    class DateTimeToFirstOfMonth : AbstractDateTimeTransformation52    {53        protected override object EvaluateDateTime(DateTime value) => new DateTime(value.Year, value.Month, 1);54    }55    class DateTimeToFirstOfYear : AbstractDateTimeTransformation56    {57        protected override object EvaluateDateTime(DateTime value) => new DateTime(value.Year, 1, 1);58    }59    class DateTimeToLastOfMonth : AbstractDateTimeTransformation60    {61        protected override object EvaluateDateTime(DateTime value) => new DateTime(value.Year, value.Month, 1).AddMonths(1).AddDays(-1);62    }63    class DateTimeToLastOfYear : AbstractDateTimeTransformation64    {65        protected override object EvaluateDateTime(DateTime value) => new DateTime(value.Year, 12, 31);66    }67    class DateTimeToNextDay : AbstractDateTimeTransformation68    {69        protected override object EvaluateDateTime(DateTime value) => value.AddDays(1);...

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