Umbraco-CMS/tests/Umbraco.Tests.UnitTests/Umbraco.Core/CoreThings/ObjectExtensionsTests.cs

// Copyright (c) Umbraco.
// See LICENSE for more details.

using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Threading;
using NUnit.Framework;
using Umbraco.Cms.Core;
using Umbraco.Cms.Core.PropertyEditors;
using Umbraco.Cms.Tests.Common.TestHelpers;
using Umbraco.Extensions;

namespace Umbraco.Cms.Tests.UnitTests.Umbraco.Core.CoreThings
{
    [TestFixture]
    public class ObjectExtensionsTests
    {
        private CultureInfo _savedCulture;

        [SetUp]
        public void TestSetup()
        {
            _savedCulture = Thread.CurrentThread.CurrentCulture;
            Thread.CurrentThread.CurrentCulture = CultureInfo.GetCultureInfo("en-GB"); // make sure the dates parse correctly
        }

        [TearDown]
        public void TestTearDown() => Thread.CurrentThread.CurrentCulture = _savedCulture;

        [Test]
        public void Can_Convert_List_To_Enumerable()
        {
            var list = new List<string> { "hello", "world", "awesome" };
            Attempt<IEnumerable<string>> result = list.TryConvertTo<IEnumerable<string>>();
            Assert.IsTrue(result.Success);
            Assert.AreEqual(3, result.Result.Count());
        }

        [Test]
        public void ObjectExtensions_Object_To_Dictionary()
        {
            // Arrange
            var obj = new { Key1 = "value1", Key2 = "value2", Key3 = "value3" };

            // Act
            IDictionary<string, string> d = obj.ToDictionary<string>();

            // Assert
            Assert.IsTrue(d.Keys.Contains("Key1"));
            Assert.IsTrue(d.Keys.Contains("Key2"));
            Assert.IsTrue(d.Keys.Contains("Key3"));
            Assert.AreEqual(d["Key1"], "value1");
            Assert.AreEqual(d["Key2"], "value2");
            Assert.AreEqual(d["Key3"], "value3");
        }

        [Test]
        public void CanConvertIntToNullableInt()
        {
            int i = 1;
            Attempt<int?> result = i.TryConvertTo<int?>();
            Assert.That(result.Success, Is.True);
        }

        [Test]
        public void CanConvertNullableIntToInt()
        {
            int? i = 1;
            Attempt<int> result = i.TryConvertTo<int>();
            Assert.That(result.Success, Is.True);
        }

        [Test]
        public virtual void CanConvertStringToBool()
        {
            var testCases = new Dictionary<string, bool>
                {
                    { "TRUE", true },
                    { "True", true },
                    { "true", true },
                    { "1", true },
                    { "FALSE", false },
                    { "False", false },
                    { "false", false },
                    { "0", false },
                    { string.Empty, false }
                };

            foreach (KeyValuePair<string, bool> testCase in testCases)
            {
                Attempt<bool> result = testCase.Key.TryConvertTo<bool>();

                Assert.IsTrue(result.Success, testCase.Key);
                Assert.AreEqual(testCase.Value, result.Result, testCase.Key);
            }
        }

        [TestCase("2012-11-10", true)]
        [TestCase("2012/11/10", true)]
        [TestCase("10/11/2012", true)]// assuming your culture uses DD/MM/YYYY
        [TestCase("11/10/2012", false)]// assuming your culture uses DD/MM/YYYY
        [TestCase("Sat 10, Nov 2012", true)]
        [TestCase("Saturday 10, Nov 2012", true)]
        [TestCase("Sat 10, November 2012", true)]
        [TestCase("Saturday 10, November 2012", true)]
        [TestCase("2012-11-10 13:14:15", true)]
        [TestCase("2012-11-10T13:14:15Z", true)]
        public virtual void CanConvertStringToDateTime(string date, bool outcome)
        {
            var dateTime = new DateTime(2012, 11, 10, 13, 14, 15);

            Attempt<DateTime> result = date.TryConvertTo<DateTime>();

            Assert.IsTrue(result.Success, date);
            Assert.AreEqual(DateTime.Equals(dateTime.Date, result.Result.Date), outcome, date);
        }

        [Test]
        public virtual void CanConvertBlankStringToNullDateTime()
        {
            Attempt<DateTime?> result = string.Empty.TryConvertTo<DateTime?>();
            Assert.IsTrue(result.Success);
            Assert.IsNull(result.Result);
        }

        [Test]
        public virtual void CanConvertBlankStringToNullBool()
        {
            Attempt<bool?> result = string.Empty.TryConvertTo<bool?>();
            Assert.IsTrue(result.Success);
            Assert.IsNull(result.Result);
        }

        [Test]
        public virtual void CanConvertBlankStringToDateTime()
        {
            Attempt<DateTime> result = string.Empty.TryConvertTo<DateTime>();
            Assert.IsTrue(result.Success);
            Assert.AreEqual(DateTime.MinValue, result.Result);
        }

        [Test]
        public virtual void CanConvertObjectToString_Using_ToString_Overload()
        {
            Attempt<string> result = new MyTestObject().TryConvertTo<string>();

            Assert.IsTrue(result.Success);
            Assert.AreEqual("Hello world", result.Result);
        }

        [Test]
        public virtual void CanConvertObjectToSameObject()
        {
            var obj = new MyTestObject();
            Attempt<object> result = obj.TryConvertTo<object>();

            Assert.AreEqual(obj, result.Result);
        }

        [Test]
        public void ConvertToIntegerTest()
        {
            Attempt<int> conv = "100".TryConvertTo<int>();
            Assert.IsTrue(conv);
            Assert.AreEqual(100, conv.Result);

            conv = "100.000".TryConvertTo<int>();
            Assert.IsTrue(conv);
            Assert.AreEqual(100, conv.Result);

            conv = "100,000".TryConvertTo<int>();
            Assert.IsTrue(conv);
            Assert.AreEqual(100, conv.Result);

            // oops
            conv = "100.001".TryConvertTo<int>();
            Assert.IsTrue(conv);
            Assert.AreEqual(100, conv.Result);

            conv = 100m.TryConvertTo<int>();
            Assert.IsTrue(conv);
            Assert.AreEqual(100, conv.Result);

            conv = 100.000m.TryConvertTo<int>();
            Assert.IsTrue(conv);
            Assert.AreEqual(100, conv.Result);

            // oops
            conv = 100.001m.TryConvertTo<int>();
            Assert.IsTrue(conv);
            Assert.AreEqual(100, conv.Result);
        }

        [Test]
        public void ConvertToDecimalTest()
        {
            Attempt<decimal> conv = "100".TryConvertTo<decimal>();
            Assert.IsTrue(conv);
            Assert.AreEqual(100m, conv.Result);

            conv = "100.000".TryConvertTo<decimal>();
            Assert.IsTrue(conv);
            Assert.AreEqual(100m, conv.Result);

            conv = "100,000".TryConvertTo<decimal>();
            Assert.IsTrue(conv);
            Assert.AreEqual(100m, conv.Result);

            conv = "100.001".TryConvertTo<decimal>();
            Assert.IsTrue(conv);
            Assert.AreEqual(100.001m, conv.Result);

            conv = 100m.TryConvertTo<decimal>();
            Assert.IsTrue(conv);
            Assert.AreEqual(100m, conv.Result);

            conv = 100.000m.TryConvertTo<decimal>();
            Assert.IsTrue(conv);
            Assert.AreEqual(100m, conv.Result);

            conv = 100.001m.TryConvertTo<decimal>();
            Assert.IsTrue(conv);
            Assert.AreEqual(100.001m, conv.Result);

            conv = 100.TryConvertTo<decimal>();
            Assert.IsTrue(conv);
            Assert.AreEqual(100m, conv.Result);
        }

        [Test]
        public void ConvertToNullableDecimalTest()
        {
            Attempt<decimal?> conv = "100".TryConvertTo<decimal?>();
            Assert.IsTrue(conv);
            Assert.AreEqual(100m, conv.Result);

            conv = "100.000".TryConvertTo<decimal?>();
            Assert.IsTrue(conv);
            Assert.AreEqual(100m, conv.Result);

            conv = "100,000".TryConvertTo<decimal?>();
            Assert.IsTrue(conv);
            Assert.AreEqual(100m, conv.Result);

            conv = "100.001".TryConvertTo<decimal?>();
            Assert.IsTrue(conv);
            Assert.AreEqual(100.001m, conv.Result);

            conv = 100m.TryConvertTo<decimal?>();
            Assert.IsTrue(conv);
            Assert.AreEqual(100m, conv.Result);

            conv = 100.000m.TryConvertTo<decimal?>();
            Assert.IsTrue(conv);
            Assert.AreEqual(100m, conv.Result);

            conv = 100.001m.TryConvertTo<decimal?>();
            Assert.IsTrue(conv);
            Assert.AreEqual(100.001m, conv.Result);

            conv = 100.TryConvertTo<decimal?>();
            Assert.IsTrue(conv);
            Assert.AreEqual(100m, conv.Result);
        }

        [Test]
        public void ConvertToDateTimeTest()
        {
            Attempt<DateTime> conv = "2016-06-07".TryConvertTo<DateTime>();
            Assert.IsTrue(conv);
            Assert.AreEqual(new DateTime(2016, 6, 7), conv.Result);
        }

        [Test]
        public void ConvertToNullableDateTimeTest()
        {
            Attempt<DateTime?> conv = "2016-06-07".TryConvertTo<DateTime?>();
            Assert.IsTrue(conv);
            Assert.AreEqual(new DateTime(2016, 6, 7), conv.Result);
        }

        [Test]
        public void Value_Editor_Can_Convert_Decimal_To_Decimal_Clr_Type()
        {
            DataValueEditor valueEditor = MockedValueEditors.CreateDataValueEditor(ValueTypes.Decimal);

            Attempt<object> result = valueEditor.TryConvertValueToCrlType(12.34d);
            Assert.IsTrue(result.Success);
            Assert.AreEqual(12.34d, result.Result);
        }

        private class MyTestObject
        {
            public override string ToString() => "Hello world";
        }
    }
}