UA-.NETStandard/tests/Opc.Ua.Gds.Tests/GlobalDiscoveryServerConfigurationTests.cs

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using System.IO;
using NUnit.Framework;
using Opc.Ua.Gds.Server;

namespace Opc.Ua.Gds.Tests
{
    [TestFixture]
    [Category("Configuration")]
    [SetCulture("en-us")]
    [SetUICulture("en-us")]
    [Parallelizable]
    public class GlobalDiscoveryServerConfigurationTests
    {
        [Test]
        public void DefaultConstructorCreatesInstance()
        {
            var config = new GlobalDiscoveryServerConfiguration();
            Assert.That(config, Is.Not.Null);
        }

        [Test]
        public void DefaultConstructorLeavesStringPropertiesNull()
        {
            var config = new GlobalDiscoveryServerConfiguration();

            Assert.That(config.AuthoritiesStorePath, Is.Null);
            Assert.That(config.ApplicationCertificatesStorePath, Is.Null);
            Assert.That(config.BaseCertificateGroupStorePath, Is.Null);
            Assert.That(config.DefaultSubjectNameContext, Is.Null);
            Assert.That(config.DatabaseStorePath, Is.Null);
            Assert.That(config.UsersDatabaseStorePath, Is.Null);
        }

        [Test]
        public void DefaultConstructorLeavesCollectionPropertiesNull()
        {
            var config = new GlobalDiscoveryServerConfiguration();

            Assert.That(config.CertificateGroups.IsEmpty, Is.True);
            Assert.That(config.KnownHostNames.IsEmpty, Is.True);
        }

        [Test]
        public void PropertiesCanBeSetAndRetrieved()
        {
            var config = new GlobalDiscoveryServerConfiguration
            {
                AuthoritiesStorePath = "/auth/store",
                ApplicationCertificatesStorePath = "/app/certs",
                BaseCertificateGroupStorePath = "/base/store",
                DefaultSubjectNameContext = "O=Test",
                DatabaseStorePath = "/db/path.json",
                UsersDatabaseStorePath = "/users/path.json",
                KnownHostNames = ["host1", "host2"]
            };

            Assert.That(config.AuthoritiesStorePath, Is.EqualTo("/auth/store"));
            Assert.That(config.ApplicationCertificatesStorePath, Is.EqualTo("/app/certs"));
            Assert.That(config.BaseCertificateGroupStorePath, Is.EqualTo("/base/store"));
            Assert.That(config.DefaultSubjectNameContext, Is.EqualTo("O=Test"));
            Assert.That(config.DatabaseStorePath, Is.EqualTo("/db/path.json"));
            Assert.That(config.UsersDatabaseStorePath, Is.EqualTo("/users/path.json"));
            Assert.That(config.KnownHostNames.Count, Is.EqualTo(2));
            Assert.That(config.KnownHostNames[0], Is.EqualTo("host1"));
        }

        [Test]
        public void CertificateGroupConfigurationDefaultConstructorSetsDefaults()
        {
            var group = new CertificateGroupConfiguration();

            Assert.That(group.DefaultCertificateLifetime,
                Is.EqualTo(CertificateFactory.DefaultLifeTime));
            Assert.That(group.DefaultCertificateKeySize,
                Is.EqualTo(CertificateFactory.DefaultKeySize));
            Assert.That(group.DefaultCertificateHashSize,
                Is.EqualTo(CertificateFactory.DefaultHashSize));
            Assert.That(group.CACertificateLifetime,
                Is.EqualTo(CertificateFactory.DefaultLifeTime));
            Assert.That(group.CACertificateKeySize,
                Is.EqualTo(CertificateFactory.DefaultKeySize));
            Assert.That(group.CACertificateHashSize,
                Is.EqualTo(CertificateFactory.DefaultHashSize));
            Assert.That(group.CertificateTypes.IsEmpty, Is.True);
        }

        [Test]
        public void CertificateGroupConfigurationDefaultLeavesStringPropertiesNull()
        {
            var group = new CertificateGroupConfiguration();

            Assert.That(group.Id, Is.Null);
            Assert.That(group.SubjectName, Is.Null);
            Assert.That(group.BaseStorePath, Is.Null);
        }

        [Test]
        public void CertificateGroupConfigurationPropertiesCanBeSet()
        {
            var group = new CertificateGroupConfiguration
            {
                Id = "TestGroup",
                SubjectName = "CN=Test CA",
                BaseStorePath = "/test/store",
                DefaultCertificateLifetime = 24,
                DefaultCertificateKeySize = 4096,
                DefaultCertificateHashSize = 512,
                CACertificateLifetime = 120,
                CACertificateKeySize = 4096,
                CACertificateHashSize = 512,
                CertificateTypes = ["RsaSha256ApplicationCertificateType"]
            };

            Assert.That(group.Id, Is.EqualTo("TestGroup"));
            Assert.That(group.SubjectName, Is.EqualTo("CN=Test CA"));
            Assert.That(group.BaseStorePath, Is.EqualTo("/test/store"));
            Assert.That(group.DefaultCertificateLifetime, Is.EqualTo(24));
            Assert.That(group.DefaultCertificateKeySize, Is.EqualTo(4096));
            Assert.That(group.DefaultCertificateHashSize, Is.EqualTo(512));
            Assert.That(group.CACertificateLifetime, Is.EqualTo(120));
            Assert.That(group.CACertificateKeySize, Is.EqualTo(4096));
            Assert.That(group.CACertificateHashSize, Is.EqualTo(512));
            Assert.That(group.CertificateTypes.Count, Is.EqualTo(1));
            Assert.That(group.CertificateTypes[0],
                Is.EqualTo("RsaSha256ApplicationCertificateType"));
        }

        [Test]
        public void TrustedListPathCombinesBaseStorePathWithTrusted()
        {
            var group = new CertificateGroupConfiguration
            {
                BaseStorePath = "/test/store"
            };

            string expected = "/test/store" + Path.DirectorySeparatorChar + "trusted";
            Assert.That(group.TrustedListPath, Is.EqualTo(expected));
        }

        [Test]
        public void IssuerListPathCombinesBaseStorePathWithIssuer()
        {
            var group = new CertificateGroupConfiguration
            {
                BaseStorePath = "/test/store"
            };

            string expected = "/test/store" + Path.DirectorySeparatorChar + "issuer";
            Assert.That(group.IssuerListPath, Is.EqualTo(expected));
        }

        [Test]
        public void CertificateGroupsCanBeAssigned()
        {
            var config = new GlobalDiscoveryServerConfiguration();
            var group = new CertificateGroupConfiguration
            {
                Id = "Default",
                SubjectName = "CN=Test CA",
                BaseStorePath = "/store"
            };

            config.CertificateGroups = [group];

            Assert.That(config.CertificateGroups.IsEmpty, Is.False);
            Assert.That(config.CertificateGroups.Count, Is.EqualTo(1));
            Assert.That(config.CertificateGroups[0].Id, Is.EqualTo("Default"));
        }
    }
}