Files
MoShiro/backend/shared/tests/MoShiro.Measurement.Tests/RestartUpdaterTests.cs
T
2026-10-09 01:33:22 +08:00

114 lines
4.5 KiB
C#

using Fleet.Core;
using Microsoft.Extensions.Time.Testing;
using MoShiro.Protocol;
namespace MoShiro.Measurement.Tests;
public sealed class RestartUpdaterTests
{
private readonly List<string> _restarts = [];
private RestartUpdater Create(string tag = "dev-aaa", string commit = "aaa", long builtAt = 1_000) =>
new("agent", _restarts.Add, TimeProvider.System, NullNodeLog.Instance, tag, commit, builtAt);
private static UpdateOfferParams Offer(string tag, long seq, string component = "agent", string commit = "bbb") =>
new() { Manifest = $"{{\"component\":\"{component}\",\"tag\":\"{tag}\",\"version\":\"0.4.0\",\"commit\":\"{commit}\",\"digest\":\"sha256:{new string('a', 64)}\",\"seq\":{seq}}}", Signature = "ignored" };
[Fact]
public void ANewerRelease_IsAvailable_AndOnlyARequestRestartsTheNode()
{
RestartUpdater updater = Create();
updater.Offer(Offer("dev-bbb", 2_000));
UpdateStatus status = updater.Status();
Assert.Equal("available", status.State);
Assert.Equal("dev-bbb", status.Available!.Tag);
Assert.Equal(2_000, status.Available.Seq);
Assert.Empty(_restarts);
Assert.True(updater.RequestApply());
Assert.Equal(["update"], _restarts);
Assert.Equal("applying", updater.Status().State);
}
[Fact]
public void TheReleaseThatIsAlreadyRunning_IsUpToDate_ByTagOrByCommit()
{
RestartUpdater updater = Create();
updater.Offer(Offer("dev-aaa", 2_000));
Assert.Equal("up_to_date", updater.Status().State);
updater.Offer(Offer("dev-other-tag", 2_000, commit: "aaa"));
Assert.Equal("up_to_date", updater.Status().State);
Assert.False(updater.RequestApply());
Assert.Empty(_restarts);
}
[Fact]
public void AnOfferOlderThanThisBuild_OrForAnotherComponent_IsNotAnUpdate()
{
RestartUpdater updater = Create(builtAt: 5_000);
updater.Offer(Offer("dev-bbb", 2_000));
Assert.Equal("up_to_date", updater.Status().State);
updater.Offer(Offer("dev-ccc", 9_000, component: "probe"));
Assert.Equal("up_to_date", updater.Status().State);
Assert.False(updater.RequestApply());
}
[Fact]
public void GarbageOffers_AreIgnored()
{
RestartUpdater updater = Create();
updater.Offer(new UpdateOfferParams { Manifest = "not json", Signature = "x" });
updater.Offer(new UpdateOfferParams { Manifest = new string('x', 5000), Signature = "x" });
updater.Offer(new UpdateOfferParams { Manifest = "{\"component\":\"agent\"}", Signature = "x" });
Assert.Equal("up_to_date", updater.Status().State);
Assert.False(updater.RequestApply());
}
[Fact]
public async Task TheAutoPolicy_RestartsByItself_ButNotBeforeTheMinimumUptime()
{
var time = new FakeTimeProvider(DateTimeOffset.FromUnixTimeSeconds(2_000_000_000));
var updater = new RestartUpdater("agent", _restarts.Add, time, NullNodeLog.Instance, "dev-aaa", "aaa", 1_000, auto: true);
updater.Offer(Offer("dev-bbb", 2_000));
updater.Offer(Offer("dev-bbb", 2_000)); // 重连时面板会再发一次:不能排两个
Assert.Empty(_restarts);
time.Advance(TimeSpan.FromMinutes(9));
await Task.Delay(50);
Assert.Empty(_restarts);
time.Advance(TimeSpan.FromMinutes(2));
await WaitAsync(() => _restarts.Count == 1);
Assert.Equal("applying", updater.Status().State);
await Task.Delay(50);
Assert.Single(_restarts);
}
[Fact]
public async Task TheManualPolicy_NeverRestartsByItself()
{
var time = new FakeTimeProvider(DateTimeOffset.FromUnixTimeSeconds(2_000_000_000));
var updater = new RestartUpdater("agent", _restarts.Add, time, NullNodeLog.Instance, "dev-aaa", "aaa", 1_000, auto: false);
updater.Offer(Offer("dev-bbb", 2_000));
time.Advance(TimeSpan.FromHours(1));
await Task.Delay(50);
Assert.Empty(_restarts);
Assert.Equal("available", updater.Status().State);
}
private static async Task WaitAsync(Func<bool> condition)
{
for (int i = 0; i < 100 && !condition(); i++)
{
await Task.Delay(20);
}
Assert.True(condition());
}
[Fact]
public void WithoutTheEnvironmentVariable_ThereIsNoUpdater()
{
Assert.Null(Environment.GetEnvironmentVariable(RestartUpdater.EnvironmentVariable));
Assert.Null(RestartUpdater.FromEnvironment("agent", _restarts.Add, TimeProvider.System, NullNodeLog.Instance));
}
}