Dervall/cron-expression-descriptor

A C# library that converts cron expressions into human readable strings.

cron-expression-descriptor

A C# library that converts cron expressions into human readable strings.
Author: Brady Holt (http://www.geekytidbits.com)
License: MIT

Usage Examples (as Unit Tests)

	[TestMethod]
    public void TestEveryMinute()
    {
        ExpressionDescripter ceh = new ExpressionDescripter("* * * * *");
        Assert.AreEqual("Every minute, daily", ceh.FullDescription);
    }

    [TestMethod]
    public void TestEvery5Minutes()
    {
        ExpressionDescripter ceh = new ExpressionDescripter("*/5 * * * *");
        Assert.AreEqual("Every 5 minutes, daily", ceh.FullDescription);
    }

    [TestMethod]
    public void TestWeekdaysAtTime()
    {
        ExpressionDescripter ceh = new ExpressionDescripter("30 11 * * 1-5");
        Assert.AreEqual("At 11:30 AM, Monday-Friday", ceh.FullDescription);
    }

    [TestMethod]
    public void TestDailyAtTime()
    {
        ExpressionDescripter ceh = new ExpressionDescripter("30 11 * * *");
        Assert.AreEqual("At 11:30 AM, daily", ceh.FullDescription);
    }

    [TestMethod]
    public void TestMinuteSpan()
    {
        ExpressionDescripter ceh = new ExpressionDescripter("0-10 11 * * *");
        Assert.AreEqual("Every minute between 11:00 AM and 11:10 AM, daily", ceh.FullDescription);
    }

    [TestMethod]
    public void TestOneMonthOnly()
    {
        ExpressionDescripter ceh = new ExpressionDescripter("* * * 3 *");
        Assert.AreEqual("Every minute, daily, only in March", ceh.FullDescription);
    }

    [TestMethod]
    public void TestTwoMonthsOnly()
    {
        ExpressionDescripter ceh = new ExpressionDescripter("* * * 3,6 *");
        Assert.AreEqual("Every minute, daily, only in March and June", ceh.FullDescription);
    }

    [TestMethod]
    public void TestTwoTimesEachAfternoon()
    {
        ExpressionDescripter ceh = new ExpressionDescripter("30 14,16 * * *");
        Assert.AreEqual("At 02:30 PM and 04:30 PM, daily", ceh.FullDescription);
    }

    [TestMethod]
    public void TestThreeTimesDaily()
    {
        ExpressionDescripter ceh = new ExpressionDescripter("30 6,14,16 * * *");
        Assert.AreEqual("At 06:30 AM, 02:30 PM, and 04:30 PM, daily", ceh.FullDescription);
    }

    [TestMethod]
    public void TestOnceAWeek()
    {
        ExpressionDescripter ceh = new ExpressionDescripter("46 9 * * 1");
        Assert.AreEqual("At 09:46 AM, only on Mondays", ceh.FullDescription);
    }

    [TestMethod]
    public void TestDayOfMonth()
    {
        ExpressionDescripter ceh = new ExpressionDescripter("23 12 15 * *");
        Assert.AreEqual("At 12:23 PM, on day 15 of the month", ceh.FullDescription);
    }

    [TestMethod]
    public void TestMonthName()
    {
        ExpressionDescripter ceh = new ExpressionDescripter("23 12 * JAN *");
        Assert.AreEqual("At 12:23 PM, daily, only in January", ceh.FullDescription);
    }

    [TestMethod]
    public void TestMonthNameRange2()
    {
        ExpressionDescripter ceh = new ExpressionDescripter("23 12 * JAN-FEB *");
        Assert.AreEqual("At 12:23 PM, daily, January-February", ceh.FullDescription);
    }

    [TestMethod]
    public void TestMonthNameRange3()
    {
        ExpressionDescripter ceh = new ExpressionDescripter("23 12 * JAN-MAR *");
        Assert.AreEqual("At 12:23 PM, daily, January-March", ceh.FullDescription);
    }

    [TestMethod]
    public void TestDayOfWeekName()
    {
        ExpressionDescripter ceh = new ExpressionDescripter("23 12 * * SUN");
        Assert.AreEqual("At 12:23 PM, only on Sundays", ceh.FullDescription);
    }

    [TestMethod]
    public void TestDayOfWeekRange()
    {
        ExpressionDescripter ceh = new ExpressionDescripter("*/5 15 * * MON-FRI");
        Assert.AreEqual("Every 5 minutes, at 03:00 PM, Monday-Friday", ceh.FullDescription);
    }