Add server version check test util

tests/NATS.Client.Core2.Tests/SemVerTest.cs

@@ -0,0 +1,23 @@
+using NATS.Client.Core.Tests;
+
+namespace NATS.Client.Core2.Tests;
+
+public class SemVerTest
+{
+    [Fact]
+    public void TestSemVerParsing()
+    {
+        var server = new ServerInfo { Version = "2.12.0" };
+        var test = "2.11.0";
+        Assert.True(server.VersionIsGreaterThenOrEqualTo(test));
+    }
+
+    [Fact]
+    public void TestSemVerMajorMinor()
+    {
+        var server = new ServerInfo { Version = "2.12.0-preview.1" };
+        var test = "2.12.0";
+        Assert.False(server.VersionIsGreaterThenOrEqualTo(test));
+        Assert.True(server.VersionMajorMinorIsGreaterThenOrEqualTo(2, 12));
+    }
+}

tests/NATS.Client.TestUtilities/NATS.Client.TestUtilities.csproj

@@ -11,6 +11,7 @@
   <ItemGroup>
     <PackageReference Include="FluentAssertions" Version="[7,8)" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageReference Include="SemanticVersioning" Version="3.0.0" />
     <PackageReference Include="xunit.v3.extensibility.core" Version="1.0.1" />
     <PackageReference Include="System.Net.Http" Version="4.3.4" />
     <PackageReference Include="System.Text.RegularExpressions" Version="4.3.1" />

tests/NATS.Client.TestUtilities/Utils.cs

@@ -172,20 +172,21 @@ await Retry.Until("service is found", async () =>
 
 public static class ServerVersionUtils
 {
-    public static bool ServerVersionIsGreaterThenOrEqualTo(this NatsConnection nats, int major, int minor)
+    public static bool VersionMajorMinorIsGreaterThenOrEqualTo(this INatsServerInfo? serverInfo, int major, int minor)
     {
-        var m = Regex.Match(nats.ServerInfo!.Version, @"^(\d+)\.(\d+)");
-        if (m.Success && m.Groups.Count == 3)
-        {
-            if (int.TryParse(m.Groups[1].Value, out var serverMajor) && int.TryParse(m.Groups[2].Value, out var serverMinor))
-            {
-                if (serverMajor > major)
-                    return true;
-                if (serverMajor == major && serverMinor >= minor)
-                    return true;
-            }
-        }
+        var testVersion = new SemanticVersioning.Version($"{major}.{minor}.0");
+        var serverVersion = new SemanticVersioning.Version(serverInfo!.Version);
+        if (serverVersion.Major > testVersion.Major)
+            return true;
+        if (serverVersion.Major < testVersion.Major)
+            return false;
+        return serverVersion.Minor >= testVersion.Minor;
+    }
 
-        return false;
+    public static bool VersionIsGreaterThenOrEqualTo(this INatsServerInfo? serverInfo, string version)
+    {
+        var testVersion = new SemanticVersioning.Version(version);
+        var serverVersion = new SemanticVersioning.Version(serverInfo!.Version);
+        return serverVersion >= testVersion;
     }
 }

tests/NATS.Slow.Tests/ClusterTests2.cs

@@ -91,7 +91,7 @@ public async Task Check_JetStream_cluster_related_fields()
         Assert.NotNull(s1.Info.Cluster.RaftGroup);
         Assert.True(s1.Info.Cluster.RaftGroup.Length > 0);
 
-        if (nats.ServerVersionIsGreaterThenOrEqualTo(2, 12))
+        if (nats.ServerInfo.VersionMajorMinorIsGreaterThenOrEqualTo(2, 12))
         {
             var tolerance = TimeSpan.FromSeconds(10);
             Assert.True(s1.Info.Cluster.LeaderSince > started - tolerance);