Restore packaging/openwrt and the Agent updater paths swept into the previous commit [CI]

backend/agent/tests/MoShiro.Agent.Tests/OpenWrtUpdaterTests.cs

@@ -0,0 +1,52 @@
+using System.Text.Json;
+using Fleet.Core;
+using Fleet.Hosting;
+using MoShiro.Protocol;
+
+namespace MoShiro.Agent.Tests;
+
+public sealed class OpenWrtUpdaterTests : IDisposable
+{
+    private readonly string _directory = Path.Combine(Path.GetTempPath(), "moshiro-native-" + Guid.NewGuid().ToString("N"));
+
+    [Fact]
+    public void Offer_AndApply_WriteFixedFlags_NotRemoteManifestOrCommands()
+    {
+        var updater = new OpenWrtUpdater(_directory, Path.Combine(_directory, "status.json"), TimeProvider.System, NullNodeLog.Instance);
+        updater.Offer();
+        updater.RequestApply();
+        Assert.Equal("check", File.ReadAllText(Path.Combine(_directory, "check.request")));
+        Assert.Equal("check", File.ReadAllText(Path.Combine(_directory, "apply.request")));
+        Assert.Equal(2, Directory.GetFiles(_directory).Length);
+    }
+
+    [Fact]
+    public void Status_WritesHealthAndReadsHostStatus()
+    {
+        var store = new ConfigStore(_directory);
+        store.Write("status.json", "{\"state\":\"rolled_back\",\"at\":123}"u8.ToArray());
+        var updater = new OpenWrtUpdater(_directory, Path.Combine(_directory, "status.json"), TimeProvider.System, NullNodeLog.Instance);
+        Assert.Equal("rolled_back", updater.Status()?.State);
+        using JsonDocument health = JsonDocument.Parse(File.ReadAllBytes(Path.Combine(_directory, "health.json")));
+        Assert.Equal(BuildInfo.Version, health.RootElement.GetProperty("version").GetString());
+        Assert.Equal(Environment.ProcessId, health.RootElement.GetProperty("pid").GetInt32());
+        Assert.True(health.RootElement.GetProperty("at").GetInt64() > 0);
+    }
+
+    [Fact]
+    public void Status_MissingOrCorruptHostStatus_DoesNotStopCollector()
+    {
+        var updater = new OpenWrtUpdater(_directory, Path.Combine(_directory, "status.json"), TimeProvider.System, NullNodeLog.Instance);
+        Assert.Null(updater.Status());
+        new ConfigStore(_directory).Write("status.json", "not json"u8.ToArray());
+        Assert.Null(updater.Status());
+    }
+
+    public void Dispose()
+    {
+        if (Directory.Exists(_directory))
+        {
+            Directory.Delete(_directory, recursive: true);
+        }
+    }
+}