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using System;
using Moq;
using NUnit.Framework;
using XenAdmin.Diagnostics.Hotfixing;
using XenAPI;

namespace XenAdminTests.UnitTests.Diagnostics
{
    [TestFixture, Category(TestCategories.SmokeTest)]
    public class HotFixFactoryTests : UnitTester_TestFixture
    {
        private const string id = "test";

        public HotFixFactoryTests() : base(id){}

        private readonly HotfixFactory factory = new HotfixFactory();

        [TearDown]
        public void TearDownPerTest()
        {
            ObjectManager.ClearXenObjects(id);
            ObjectManager.RefreshCache(id);
        }

        [Test]
        public void HotfixableServerVersionHasExpectedMembers()
        {
            string[] enumNames = Enum.GetNames(typeof (HotfixFactory.HotfixableServerVersion));
            Array.Sort(enumNames);

            string[] expectedNames = new []{"Cowley", "MNR", "Boston", "Sanibel"};
            Array.Sort(expectedNames);

            CollectionAssert.AreEqual(expectedNames, enumNames, "Expected contents of HotfixableServerVersion enum");
        }

        [Test]
        public void UUIDLookedUpFromEnum()
        {
            Assert.AreEqual("8d7ba04f-bcdf-4f34-afdf-acd3206b59ec;95ac709c-e408-423f-8d22-84b8134a149e", 
                            factory.Hotfix(HotfixFactory.HotfixableServerVersion.Boston).UUID,
                            "Boston UUID lookup from enum");

            Assert.AreEqual("ca0ca2c6-cc96-4e4b-946b-39ebe6652fd6", 
                            factory.Hotfix(HotfixFactory.HotfixableServerVersion.Cowley).UUID,
                            "Cowley UUID lookup from enum");

            Assert.AreEqual("e2cb047b-66ed-4fa0-882a-67ff1726f4b9", 
                            factory.Hotfix(HotfixFactory.HotfixableServerVersion.MNR).UUID,
                            "MNR UUID lookup from enum");

            Assert.AreEqual("8d7ba04f-bcdf-4f34-afdf-acd3206b59ec",
                            factory.Hotfix(HotfixFactory.HotfixableServerVersion.Sanibel).UUID,
                            "Sanibel UUID lookup from enum");
        }

        [Test]
        public void FilenameLookedUpFromEnum()
        {
            Assert.AreEqual("XS60E001.xsupdate;XS60E009.xsupdate",
                            factory.Hotfix(HotfixFactory.HotfixableServerVersion.Boston).Filename,
                            "Boston Filename lookup from enum");

            Assert.AreEqual("XS56EFP1002.xsupdate",
                            factory.Hotfix(HotfixFactory.HotfixableServerVersion.Cowley).Filename,
                            "Cowley Filename lookup from enum");

            Assert.AreEqual("XS56E008.xsupdate",
                            factory.Hotfix(HotfixFactory.HotfixableServerVersion.MNR).Filename,
                            "MNR Filename lookup from enum");

            Assert.AreEqual("XS60E009.xsupdate",
                            factory.Hotfix(HotfixFactory.HotfixableServerVersion.Sanibel).Filename,
                            "Sanibel Filename lookup from enum");
        }

        [Test]
        [TestCase("1.6.10", Description = "Tampa")]
        [TestCase("9999.9999.9999", Description = "Future")]
        public void TestPlatformVersionNumbersTampaOrGreaterGiveNulls(string platformVersion)
        {
            Mock<Host> host = ObjectManager.NewXenObject<Host>(id);
            host.Setup(h => h.PlatformVersion).Returns(platformVersion);
            Assert.IsNull(factory.Hotfix(host.Object));
        }

        [Test]
        [TestCase("6.0.2", "XS60E009.xsupdate", Description = "Sanibel")]
        [TestCase("6.0.0", "XS60E001.xsupdate;XS60E009.xsupdate", Description = "Boston")]
        [TestCase("5.6.100", "XS56EFP1002.xsupdate", Description = "Cowley")]
        [TestCase("5.6.0", "XS56E008.xsupdate", Description = "MNR")]
        public void TestProductVersionNumbersWithHotfixes(string productVersion, string filenames)
        {
            Mock<Host> host = ObjectManager.NewXenObject<Host>(id);
            host.Setup(h => h.ProductVersion).Returns(productVersion);
            Assert.That(filenames, Is.EqualTo(factory.Hotfix(host.Object).Filename));
        }

        [Test]
        [TestCase("1.6.10", Description = "Tampa", Result = false)]
        [TestCase("9999.9999.9999", Description = "Future", Result = false)]
        public bool TestIsHotfixRequiredBasedOnPlatformVersion(string version)
        {
            Mock<Host> host = ObjectManager.NewXenObject<Host>(id);
            host.Setup(h => h.PlatformVersion).Returns(version);
            return factory.IsHotfixRequired(host.Object);
        }

        [Test]
        [TestCase("6.0.2", Description = "Sanibel",  Result = true)]
        [TestCase("6.0.0", Description = "Boston", Result = true)]
        [TestCase("5.6.100", Description = "Cowley", Result = true)]
        [TestCase("5.6.0", Description = "MNR", Result = true)]
        [TestCase("3.0.0", Description = "Burbank", Result = false)]
        public bool TestIsHotfixRequiredBasedOnProductVersion(string productVersion)
        {
            Mock<Host> host = ObjectManager.NewXenObject<Host>(id);
            host.Setup(h => h.ProductVersion).Returns(productVersion);
            return factory.IsHotfixRequired(host.Object);
        }

    }
}