Restructure solution layout by module

src/__Libraries/__Tests/StellaOps.Cryptography.Tests/Audit/AuthEventRecordTests.cs

@@ -0,0 +1,57 @@
+using System;
+using StellaOps.Cryptography.Audit;
+
+namespace StellaOps.Cryptography.Tests.Audit;
+
+public class AuthEventRecordTests
+{
+    [Fact]
+    public void AuthEventRecord_InitializesCollections()
+    {
+        var record = new AuthEventRecord
+        {
+            EventType = "authority.test",
+            Outcome = AuthEventOutcome.Success
+        };
+
+        Assert.NotNull(record.Scopes);
+        Assert.Empty(record.Scopes);
+        Assert.NotNull(record.Properties);
+        Assert.Empty(record.Properties);
+        Assert.False(record.Tenant.HasValue);
+        Assert.False(record.Project.HasValue);
+    }
+
+    [Fact]
+    public void ClassifiedString_NormalizesWhitespace()
+    {
+        var value = ClassifiedString.Personal("   ");
+        Assert.Null(value.Value);
+        Assert.False(value.HasValue);
+        Assert.Equal(AuthEventDataClassification.Personal, value.Classification);
+    }
+
+    [Fact]
+    public void Subject_DefaultsToEmptyCollections()
+    {
+        var subject = new AuthEventSubject();
+        Assert.NotNull(subject.Attributes);
+        Assert.Empty(subject.Attributes);
+    }
+
+    [Fact]
+    public void Record_AssignsTimestamp_WhenNotProvided()
+    {
+        var record = new AuthEventRecord
+        {
+            EventType = "authority.test",
+            Outcome = AuthEventOutcome.Success
+        };
+
+        Assert.NotEqual(default, record.OccurredAt);
+        Assert.InRange(
+            record.OccurredAt,
+            DateTimeOffset.UtcNow.AddSeconds(-5),
+            DateTimeOffset.UtcNow.AddSeconds(5));
+    }
+}