UA-.NETStandard/Tests/Opc.Ua.PubSub.Tests/Configuration/UaPubSubDataStoreTests.cs

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using System;
using NUnit.Framework;

namespace Opc.Ua.PubSub.Tests.Configuration
{
    [TestFixture(Description = "Tests for UaPubSubDataStore class")]
    [Parallelizable]
    public class UaPubSubDataStoreTests
    {
        [Test(Description = "Validate WritePublishedDataItem call with different values")]
        public void ValidateWritePublishedDataItem(
            [Values(
                true,
                (byte)1,
                (ushort)2,
                (short)3,
                (uint)4,
                5,
                (ulong)6,
                (long)7,
                (double)8,
                (float)9,
                "10")]
                object value)
        {
            //Arrange
            var dataStore = new UaPubSubDataStore();
            var nodeId = NodeId.Parse("ns=1;i=1");

            //Act
#pragma warning disable CS0618 // Type or member is obsolete
            dataStore.WritePublishedDataItem(
                nodeId,
                Attributes.Value,
                new DataValue(new Variant(value)));
#pragma warning restore CS0618 // Type or member is obsolete
            dataStore.TryReadPublishedDataItem(nodeId, Attributes.Value, out DataValue readDataValue);

            //Assert
            Assert.That(
                readDataValue.IsNull,
                Is.False,
                "Returned DataValue for written nodeId and attribute is null");
#pragma warning disable CS0618 // Type or member is obsolete
            Assert.That(
                value,
                Is.EqualTo(readDataValue.Value),
                "Read after write returned different value");
#pragma warning restore CS0618 // Type or member is obsolete
        }

        [Test(Description = "Validate WritePublishedDataItem call with null NodeId")]
        public void ValidateWritePublishedDataItemNullNodeId()
        {
            //Arrange
            var dataStore = new UaPubSubDataStore();

            //Assert
            Assert
                .Throws<ArgumentException>(() => dataStore.WritePublishedDataItem(default));
        }

        [Test(Description = "Validate WritePublishedDataItem call with invalid Attribute")]
        public void ValidateWritePublishedDataItemInvalidAttribute()
        {
            //Arrange
            var dataStore = new UaPubSubDataStore();

            //Assert
            Assert.Throws<ArgumentException>(() =>
                dataStore.WritePublishedDataItem(
                    NodeId.Parse("ns=0;i=2253"),
                    Attributes.AccessLevelEx + 1));
        }

        [Test(Description = "Validate ReadPublishedDataItem call for non existing node id")]
        public void ValidateReadPublishedDataItem()
        {
            //Arrange
            var dataStore = new UaPubSubDataStore();
            var nodeId = NodeId.Parse("ns=1;i=1");

            //Act
            dataStore.TryReadPublishedDataItem(nodeId, Attributes.Value, out DataValue readDataValue);

            //Assert
            Assert.That(
                readDataValue.IsNull,
                Is.True,
                "Returned DataValue for written nodeId and attribute is NOT null");
        }

        [Test(Description = "Validate ReadPublishedDataItem call with null NodeId")]
        public void ValidateReadPublishedDataItemNullNodeId()
        {
            //Arrange
            var dataStore = new UaPubSubDataStore();

            //Assert
            Assert
                .Throws<ArgumentException>(() => dataStore.TryReadPublishedDataItem(default, Attributes.Value, out _));
        }

        [Test(Description = "Validate ReadPublishedDataItem call with invalid Attribute")]
        public void ValidateReadPublishedDataIteminvalidAttribute()
        {
            //Arrange
            var dataStore = new UaPubSubDataStore();
            //Assert
            Assert.Throws<ArgumentException>(() =>
                dataStore.TryReadPublishedDataItem(
                    NodeId.Parse("ns=0;i=2253"),
                    Attributes.AccessLevelEx + 1, out _));
        }
    }
}