consolidate the tests locations

src/__Tests/AirGap/StellaOps.AirGap.Time.Tests/TimeStatusServiceTests.cs

@@ -0,0 +1,45 @@
+using StellaOps.AirGap.Time.Models;
+using StellaOps.AirGap.Time.Services;
+using StellaOps.AirGap.Time.Stores;
+
+namespace StellaOps.AirGap.Time.Tests;
+
+public class TimeStatusServiceTests
+{
+    [Fact]
+    public async Task ReturnsUnknownWhenNoAnchor()
+    {
+        var svc = Build(out var telemetry);
+        var status = await svc.GetStatusAsync("t1", DateTimeOffset.UnixEpoch);
+        Assert.Equal(TimeAnchor.Unknown, status.Anchor);
+        Assert.False(status.Staleness.IsWarning);
+        Assert.Equal(0, telemetry.GetLatest("t1")?.AgeSeconds ?? 0);
+    }
+
+    [Fact]
+    public async Task PersistsAnchorAndBudget()
+    {
+        var svc = Build(out var telemetry);
+        var anchor = new TimeAnchor(DateTimeOffset.UnixEpoch, "source", "fmt", "fp", "digest");
+        var budget = new StalenessBudget(10, 20);
+
+        await svc.SetAnchorAsync("t1", anchor, budget);
+        var status = await svc.GetStatusAsync("t1", DateTimeOffset.UnixEpoch.AddSeconds(15));
+
+        Assert.Equal(anchor, status.Anchor);
+        Assert.True(status.Staleness.IsWarning);
+        Assert.False(status.Staleness.IsBreach);
+        Assert.Equal(15, status.Staleness.AgeSeconds);
+        var snap = telemetry.GetLatest("t1");
+        Assert.NotNull(snap);
+        Assert.Equal(status.Staleness.AgeSeconds, snap!.AgeSeconds);
+        Assert.True(snap.IsWarning);
+    }
+
+    private static TimeStatusService Build(out TimeTelemetry telemetry)
+    {
+        telemetry = new TimeTelemetry();
+        var options = Microsoft.Extensions.Options.Options.Create(new AirGapOptions());
+        return new TimeStatusService(new InMemoryTimeAnchorStore(), new StalenessCalculator(), telemetry, options);
+    }
+}