encompass-cs/test/EntityTest.cs

using NUnit.Framework;
using System.Linq;

using Encompass;

namespace Tests {
    struct MockComponent : IComponent {
        public string myString;
        public int myInt;
    }

    public class EntityTest
    {
        [Test]
        public void AddComponent()
        {
            var worldBuilder = new WorldBuilder();
            var entity = worldBuilder.CreateEntity();

            MockComponent mockComponent;
            mockComponent.myInt = 3;
            mockComponent.myString = "hello";

            entity.AddComponent<MockComponent>(mockComponent);

            var world = worldBuilder.Build();
            // world.Update();

            Assert.IsTrue(entity.HasComponent<MockComponent>());
            Assert.AreEqual(mockComponent, entity.GetComponent<MockComponent>());
        }

        [Test]
        public void GetComponents()
        {
            var worldBuilder = new WorldBuilder();
            var entity = worldBuilder.CreateEntity();

            MockComponent mockComponentA;
            mockComponentA.myInt = 3;
            mockComponentA.myString = "hello";

            MockComponent mockComponentB;
            mockComponentB.myInt = 5;
            mockComponentB.myString = "wassup";

            MockComponent mockComponentC;
            mockComponentC.myInt = 1;
            mockComponentC.myString = "howdy";

            entity.AddComponent<MockComponent>(mockComponentA);
            entity.AddComponent<MockComponent>(mockComponentB);
            entity.AddComponent<MockComponent>(mockComponentC);

            var world = worldBuilder.Build();

            Assert.Contains(mockComponentA, entity.GetComponents<MockComponent>().ToList());
            Assert.Contains(mockComponentB, entity.GetComponents<MockComponent>().ToList());
            Assert.Contains(mockComponentC, entity.GetComponents<MockComponent>().ToList());
        }

        [Test]
        public void GetComponent()
        {
            var worldBuilder = new WorldBuilder();
            var entity = worldBuilder.CreateEntity();

            MockComponent mockComponent;
            mockComponent.myInt = 3;
            mockComponent.myString = "hello";

            entity.AddComponent<MockComponent>(mockComponent);

            var world = worldBuilder.Build();

            Assert.AreEqual(mockComponent, entity.GetComponent<MockComponent>());
        }

        [Test]
        public void HasComponent()
        {
            var worldBuilder = new WorldBuilder();
            var entity = worldBuilder.CreateEntity();

            MockComponent mockComponent;
            mockComponent.myInt = 3;
            mockComponent.myString = "hello";

            entity.AddComponent<MockComponent>(mockComponent);

            var world = worldBuilder.Build();

            Assert.IsTrue(entity.HasComponent<MockComponent>());
        }
    }
}