tests/DotNetCommon.Test/Accessors/ObjectAccessorTests.cs

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namespace DotNetCommon.Test.Accessors
{
    using System;
    using System.Diagnostics.CodeAnalysis;
    using DotNetCommon.Accessors;
    using NUnit.Framework;
    using Shouldly;

    [TestFixture]
    public sealed class ObjectAccessorTests
    {
        [Test]
        public void When_creating_object_accessor_with_default_flags()
        {
            var parent = new Parent();
            ObjectAccessor parentAccessor = Accessor.Build(parent);
            parentAccessor.ShouldBeOfType<ObjectAccessor>();
            parentAccessor.Type.ShouldBe(typeof(Parent));
            parentAccessor.IgnoreCase.ShouldBe(false);
            parentAccessor.IncludesNonPublic.ShouldBe(false);

            parentAccessor.ShouldNotBeNull();
            parentAccessor.Properties.ShouldNotBeNull();
            parentAccessor.Properties.Count.ShouldBe(2);

            parentAccessor.Properties["Name"].PropertyType.ShouldBe(typeof(string));
            parentAccessor.Properties["Age"].PropertyType.ShouldBe(typeof(int));

            parentAccessor[parent, "Name"].ShouldBeNull();
            parentAccessor[parent, "Name"] = "Foo";
            parentAccessor[parent, "Name"].ShouldBe("Foo");

            parentAccessor[parent, "Age"].ShouldBe(0);
            parentAccessor[parent, "Age"] = 10;
            parentAccessor[parent, "Age"].ShouldBe(10);

            var child = new Child();
            ObjectAccessor childAccessor = Accessor.Build(child);
            childAccessor.ShouldBeOfType<ObjectAccessor>();
            childAccessor.Type.ShouldBe(typeof(Child));
            childAccessor.IgnoreCase.ShouldBe(false);
            childAccessor.IncludesNonPublic.ShouldBe(false);

            childAccessor.ShouldNotBeNull();
            childAccessor.Properties.ShouldNotBeNull();
            childAccessor.Properties.Count.ShouldBe(3);

            childAccessor.Properties["ChildName"].PropertyType.ShouldBe(typeof(string));
            childAccessor.Properties["Name"].PropertyType.ShouldBe(typeof(string));
            childAccessor.Properties["Age"].PropertyType.ShouldBe(typeof(int));

            childAccessor[child, "ChildName"].ShouldBe("Bar");
            childAccessor[child, "ChildName"] = "BarBar";
            childAccessor[child, "ChildName"].ShouldBe("BarBar");

            childAccessor[child, "Name"].ShouldBeNull();
            childAccessor[child, "Name"] = "Foo";
            childAccessor[child, "Name"].ShouldBe("Foo");
        }