using UnitTestSharp;

namespace Vellum.Generator.UnitTests
{
    public class MemberShapeTests : TestFixture
    {
        public class CtorTests : TestFixture
        {
            public void KeepsTheKeyAndTheType()
            {
                var member = new MemberShape("Count", "int");

                CheckEqual("Count", member.Key);
                CheckEqual("int", member.TypeName);
            }

            public void WithoutSayingMore_AssignsDirectly()
            {
                CheckTrue(new MemberShape("Count", "int").AssignsDirectly);
            }

            public void KeepsWhetherTheMemberCanBeAssigned()
            {
                CheckFalse(new MemberShape("Count", "int", assignsDirectly: false).AssignsDirectly);
                CheckTrue(new MemberShape("Count", "int", assignsDirectly: true).AssignsDirectly);
            }
        }

        public class OnTests : TestFixture
        {
            public void ReadsTheMemberThroughTheInstance()
            {
                CheckEqual("value.Count", new MemberShape("Count", "int").On("value"));
            }

            public void KeywordName_GetsAnAt()
            {
                CheckEqual("this.@event", new MemberShape("event", "int").On("this"));
            }
        }

        public class EqualsTests : TestFixture
        {
            public void SameValues_AreEqual()
            {
                CheckTrue(new MemberShape("Count", "int").Equals(new MemberShape("Count", "int")));
                CheckTrue(new MemberShape("Count", "int").Equals((object)new MemberShape("Count", "int")));
            }

            public void Null_IsNotEqual()
            {
                CheckFalse(new MemberShape("Count", "int").Equals((MemberShape)null));
                CheckFalse(new MemberShape("Count", "int").Equals((object)null));
            }

            public void OtherType_IsNotEqual()
            {
                CheckFalse(new MemberShape("Count", "int").Equals("Count"));
            }

            public void DifferentKey_IsNotEqual()
            {
                CheckFalse(new MemberShape("Count", "int").Equals(new MemberShape("Total", "int")));
            }

            public void DifferentType_IsNotEqual()
            {
                CheckFalse(new MemberShape("Count", "int").Equals(new MemberShape("Count", "long")));
            }

            public void DifferentAssignability_IsNotEqual()
            {
                CheckFalse(new MemberShape("Count", "int", assignsDirectly: true).Equals(
                    new MemberShape("Count", "int", assignsDirectly: false)));
            }
        }

        public class GetHashCodeTests : TestFixture
        {
            public void EqualMembers_HaveEqualHashCodes()
            {
                CheckEqual(new MemberShape("Count", "int").GetHashCode(),
                    new MemberShape("Count", "int").GetHashCode());
            }
        }
    }
}