/Grundy/Grundy.Licensing.Server.Tests/FeatureIdentificationKeyMatchScoreEvaluatorTests.cs

using System;

using FluentAssertions;

using Grundy.Common;

using Grundy.Entity;

using Grundy.Message;

using Microsoft.VisualStudio.TestTools.UnitTesting;



namespace Grundy.Licensing.Server.Tests

{

    [TestClass]

    public class FeatureIdentificationKeyMatchScoreEvaluatorTests

    {

        private FeatureIdentificationKeyMatchScoreEvaluator evaluator;



        [TestInitialize]

        public void Setup()

        {

            evaluator = new FeatureIdentificationKeyMatchScoreEvaluator();

        }



        [TestMethod]

        public void Should_return_0_for_null_fik()

        {

            var fik1 = FeatureIdentificationKey.Null;

            var fik2 = FeatureIdentificationKey.Null;

            evaluator.GetMatchScore(fik1, fik2).Should().Be(0);

        }



        [TestMethod]

        public void Should_return_less_than_0_for_none_matching()

        {

            var fik1 = new FeatureIdentificationKey{LicenseEntitlementId = Guid.NewGuid()};

            var fik2 = new FeatureIdentificationKey{LicenseEntitlementId = Guid.NewGuid()};

            evaluator.GetMatchScore(fik1, fik2).Should().BeLessOrEqualTo(0);

        }



        [TestMethod]

        public void Should_return_1_for_feature_matching_but_something_else_a_is_not_default_and_b_is_default()

        {

            var featureId = Guid.NewGuid();

            var fik1 = new FeatureIdentificationKey { FeatureId = featureId, LicenseEntitlementId = Guid.NewGuid()};

            var fik2 = new FeatureIdentificationKey { FeatureId = featureId };

            evaluator.GetMatchScore(fik1, fik2).Should().Be(1);



            fik1 = new FeatureIdentificationKey { FeatureName = "F1", LicenseEntitlementId = Guid.NewGuid() };

            fik2 = new FeatureIdentificationKey{FeatureName = "F1"};

            evaluator.GetMatchScore(fik1, fik2).Should().Be(1);

        }



        [TestMethod]

        public void Should_return_less_than_0_for_feature_matching_but_something_else_different_and_not_default()

        {

            var featureId = Guid.NewGuid();

            

            var fik1 = new FeatureIdentificationKey { FeatureName = "F1", FeatureId = Guid.NewGuid(), LicenseEntitlementId = Guid.NewGuid() };

            var fik2 = new FeatureIdentificationKey { FeatureName = "F1", FeatureId = Guid.NewGuid() };

            evaluator.GetMatchScore(fik1, fik2).Should().BeNegative();



            fik1 = new FeatureIdentificationKey { FeatureName = "F1A", FeatureId = featureId, LicenseEntitlementId = Guid.NewGuid() };

            fik2 = new FeatureIdentificationKey { FeatureName = "F1B", FeatureId = featureId };

            evaluator.GetMatchScore(fik1, fik2).Should().BeNegative();

        }



        [TestMethod]

        public void Should_return_greater_than_0_for_feature_matching()

        {

            var featureId = Guid.NewGuid();

            var fik1 = new FeatureIdentificationKey { FeatureId = featureId };

            var fik2 = new FeatureIdentificationKey { FeatureId = featureId };

            evaluator.GetMatchScore(fik1, fik2).Should().BeGreaterThan(0);



            fik1 = new FeatureIdentificationKey { FeatureName = "F1" };

            fik2 = new FeatureIdentificationKey { FeatureName = "F1" };

            evaluator.GetMatchScore(fik1, fik2).Should().BeGreaterThan(0);



            fik1 = new FeatureIdentificationKey { FeatureName = "F1", FeatureId = featureId };

            fik2 = new FeatureIdentificationKey { FeatureName = "F1", FeatureId = featureId };

            evaluator.GetMatchScore(fik1, fik2).Should().BeGreaterThan(0);

        }



        [TestMethod]

        public void Should_return_2()

        {

            var id1 = Guid.NewGuid();

            var id2 = Guid.NewGuid();

            var fik1 = new FeatureIdentificationKey { FeatureId = id1, LicenseEntitlementId = id2};

            var fik2 = new FeatureIdentificationKey { FeatureId = id1, LicenseEntitlementId = id2};

            evaluator.GetMatchScore(fik1, fik2).Should().Be(2);



            fik1 = new FeatureIdentificationKey { FeatureName = "F1", ProductId = id1 };

            fik2 = new FeatureIdentificationKey { FeatureName = "F1", ProductId = id1};

            evaluator.GetMatchScore(fik1, fik2).Should().Be(2);



            fik1 = new FeatureIdentificationKey { FeatureName = "F1", ProductName = "P1" };

            fik2 = new FeatureIdentificationKey { FeatureName = "F1", ProductName = "P1"};

            evaluator.GetMatchScore(fik1, fik2).Should().Be(2);



            fik1 = new FeatureIdentificationKey { FeatureName = "F1", LicenseName = "L1" };

            fik2 = new FeatureIdentificationKey { FeatureName = "F1", LicenseName = "L1" };

            evaluator.GetMatchScore(fik1, fik2).Should().Be(2);

        }

    }

}