feat(commons): add Audit{Channel,Kind,Status,ForwardState} enums for #23

tests/ScadaLink.Commons.Tests/Types/Enums/AuditEnumTests.cs

@@ -0,0 +1,72 @@
+using ScadaLink.Commons.Types.Enums;
+
+namespace ScadaLink.Commons.Tests.Types.Enums;
+
+/// <summary>
+/// Asserts the exact member sets of the Audit Log (#23) enums.
+/// Lock-in tests; any addition/removal/rename is a deliberate design change
+/// that must come with a corresponding update to alog.md §4.
+/// </summary>
+public class AuditEnumTests
+{
+    [Fact]
+    public void AuditChannel_HasExactlyExpectedMembers()
+    {
+        var expected = new[] { "ApiOutbound", "DbOutbound", "Notification", "ApiInbound" };
+        var actual = Enum.GetValues(typeof(AuditChannel))
+            .Cast<AuditChannel>()
+            .Select(x => x.ToString())
+            .ToArray();
+
+        Assert.Equal(expected.Length, actual.Length);
+        Assert.Equal(expected, actual);
+    }
+
+    [Fact]
+    public void AuditKind_HasExactlyTenExpectedMembers()
+    {
+        var expected = new[]
+        {
+            "ApiCall", "ApiCallCached", "DbWrite", "DbWriteCached",
+            "NotifySend", "NotifyDeliver", "InboundRequest", "InboundAuthFailure",
+            "CachedSubmit", "CachedResolve",
+        };
+        var actual = Enum.GetValues(typeof(AuditKind))
+            .Cast<AuditKind>()
+            .Select(x => x.ToString())
+            .ToArray();
+
+        Assert.Equal(10, actual.Length);
+        Assert.Equal(expected, actual);
+    }
+
+    [Fact]
+    public void AuditStatus_HasExactlyEightExpectedMembers()
+    {
+        var expected = new[]
+        {
+            "Submitted", "Forwarded", "Attempted", "Delivered",
+            "Failed", "Parked", "Discarded", "Skipped",
+        };
+        var actual = Enum.GetValues(typeof(AuditStatus))
+            .Cast<AuditStatus>()
+            .Select(x => x.ToString())
+            .ToArray();
+
+        Assert.Equal(8, actual.Length);
+        Assert.Equal(expected, actual);
+    }
+
+    [Fact]
+    public void AuditForwardState_HasExactlyExpectedMembers()
+    {
+        var expected = new[] { "Pending", "Forwarded", "Reconciled" };
+        var actual = Enum.GetValues(typeof(AuditForwardState))
+            .Cast<AuditForwardState>()
+            .Select(x => x.ToString())
+            .ToArray();
+
+        Assert.Equal(expected.Length, actual.Length);
+        Assert.Equal(expected, actual);
+    }
+}