stabilizaiton work - projects rework for maintenanceability and ui livening

src/__Libraries/__Tests/StellaOps.Spdx3.Tests/ModelExternalIdentifierTests.cs

@@ -0,0 +1,32 @@
+// <copyright file="ModelExternalIdentifierTests.cs" company="StellaOps">
+// Copyright (c) StellaOps. Licensed under the BUSL-1.1.
+// </copyright>
+using StellaOps.Spdx3.Model;
+
+namespace StellaOps.Spdx3.Tests;
+
+[Trait("Category", "Unit")]
+[Trait("Intent", "Operational")]
+public sealed class ModelExternalIdentifierTests
+{
+    [Fact]
+    public void ExternalIdentifierExtensions_GetPurl_Works()
+    {
+        var identifiers = new[]
+        {
+            new Spdx3ExternalIdentifier
+            {
+                ExternalIdentifierType = Spdx3ExternalIdentifierType.PackageUrl,
+                Identifier = "pkg:npm/lodash@4.17.21"
+            },
+            new Spdx3ExternalIdentifier
+            {
+                ExternalIdentifierType = Spdx3ExternalIdentifierType.Cpe23,
+                Identifier = "cpe:2.3:a:lodash:lodash:4.17.21:*:*:*:*:*:*:*"
+            }
+        };
+
+        Assert.Equal("pkg:npm/lodash@4.17.21", identifiers.GetPurl());
+        Assert.Equal("cpe:2.3:a:lodash:lodash:4.17.21:*:*:*:*:*:*:*", identifiers.GetCpe23());
+    }
+}