[Improve] code coverage

Author: samatstariongroup

ReqIFSharp.Tests/ReqIFContentTestFixture.cs

@@ -0,0 +1,130 @@
+// -------------------------------------------------------------------------------------------------
+//  <copyright file="ReqIFContentTestFixture.cs" company="Starion Group S.A.">
+// 
+//    Copyright 2017-2025 Starion Group S.A.
+// 
+//    Licensed under the Apache License, Version 2.0 (the "License");
+//    you may not use this file except in compliance with the License.
+//    You may obtain a copy of the License at
+// 
+//        http://www.apache.org/licenses/LICENSE-2.0
+// 
+//    Unless required by applicable law or agreed to in writing, software
+//    distributed under the License is distributed on an "AS IS" BASIS,
+//    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//    See the License for the specific language governing permissions and
+//    limitations under the License.
+// 
+//  </copyright>
+//  -------------------------------------------------------------------------------------------------
+
+namespace ReqIFSharp.Tests
+{
+    using System;
+    using System.IO;
+    using System.Linq;
+    using System.Threading;
+    using System.Threading.Tasks;
+    using System.Xml;
+
+    using Microsoft.Extensions.Logging;
+
+    using NUnit.Framework;
+
+    using ReqIFSharp;
+
+    using Serilog;
+    using Serilog.Events;
+
+    [TestFixture]
+    public class ReqIFContentTestFixture
+    {
+        private ILoggerFactory loggerFactory;
+
+        private TestLogEventSink testLogEventSink;
+
+        [OneTimeSetUp]
+        public void OneTimeSetUp()
+        {
+            this.testLogEventSink = new TestLogEventSink();
+
+            Log.Logger = new LoggerConfiguration()
+                .MinimumLevel.Verbose()
+                .WriteTo.Console(outputTemplate: "[{Timestamp:HH:mm:ss} {Level:u3}] {SourceContext} - {Message:lj}{NewLine}{Exception}")
+                .WriteTo.Sink(this.testLogEventSink)
+                .CreateLogger();
+
+            this.loggerFactory = LoggerFactory.Create(builder =>
+            {
+                builder.AddSerilog();
+            });
+        }
+
+        [SetUp]
+        public void SetUp()
+        {
+            this.testLogEventSink.Events.Clear();
+        }
+
+        [Test]
+        public void ReadXml_UnsupportedElement_EmitsLogWarning()
+        {
+            var xml = """
+                      <UNSUPPORTED-ELEMENT />
+                      """;
+
+            var reqIfContent = new ReqIFContent(this.loggerFactory);
+
+            using var reader = XmlReader.Create(new StringReader(xml), new XmlReaderSettings { Async = false, IgnoreWhitespace = false });
+
+            reqIfContent.ReadXml(reader);
+
+            var warningEvent = this.testLogEventSink.Events
+                .Where(e => e.Level == LogEventLevel.Warning)
+                .ToList().First();
+
+            Assert.That(warningEvent.Properties["LocalName"].ToString().Trim('"'),
+                Is.EqualTo("UNSUPPORTED-ELEMENT"));
+        }
+
+        [Test]
+        public async Task ReadXmlAsync_UnsupportedElement_EmitsLogWarning()
+        {
+            var xml = """
+                      <UNSUPPORTED-ELEMENT />
+                      """;
+
+            var reqIfContent = new ReqIFContent(this.loggerFactory);
+            
+            using var reader = XmlReader.Create(new StringReader(xml), new XmlReaderSettings { Async = true, IgnoreWhitespace = false });
+
+            await reqIfContent.ReadXmlAsync(reader, CancellationToken.None);
+
+            var warningEvent = this.testLogEventSink.Events
+                .Where(e => e.Level == LogEventLevel.Warning)
+                .ToList().First();
+
+            Assert.That(warningEvent.Properties["LocalName"].ToString().Trim('"'),
+                Is.EqualTo("UNSUPPORTED-ELEMENT"));
+        }
+
+        [Test]
+        public async Task VErify_that_when_cancelled_ReadXmlAsync_throws_exception()
+        {
+            var xml = """
+                      <REQ-IF-CONTENT />
+                      """;
+
+            var reqIfContent = new ReqIFContent(this.loggerFactory);
+
+            using var reader = XmlReader.Create(new StringReader(xml), new XmlReaderSettings { Async = true, IgnoreWhitespace = false });
+
+            var cts = new CancellationTokenSource();
+
+            await cts.CancelAsync();
+
+            await Assert.ThatAsync(() => reqIfContent.ReadXmlAsync(reader, cts.Token),
+                Throws.TypeOf<OperationCanceledException>());
+        }
+    }
+}