| 1 | using CascadeIDE.Features.Chat; |
| 2 | using CascadeIDE.Models.AgentChat; |
| 3 | using Xunit; |
| 4 | |
| 5 | namespace CascadeIDE.Tests; |
| 6 | |
| 7 | public sealed class ChatSessionStoreTests |
| 8 | { |
| 9 | [Fact] |
| 10 | public async Task ResolveOrCreateCurrentSessionId_ReusesPointer() |
| 11 | { |
| 12 | var root = CreateTempWorkspaceRoot(); |
| 13 | var store = new ChatSessionStore(root); |
| 14 | var first = await store.ResolveOrCreateCurrentSessionIdAsync(); |
| 15 | var second = await store.ResolveOrCreateCurrentSessionIdAsync(); |
| 16 | Assert.Equal(first, second); |
| 17 | } |
| 18 | |
| 19 | [Fact] |
| 20 | public async Task ResolveOrCreateCurrentSessionId_PicksLatestMetaWhenPointerMissing() |
| 21 | { |
| 22 | var root = CreateTempWorkspaceRoot(); |
| 23 | var store = new ChatSessionStore(root); |
| 24 | var olderId = Guid.Parse("11111111111111111111111111111111"); |
| 25 | var newerId = Guid.Parse("22222222222222222222222222222222"); |
| 26 | var now = DateTimeOffset.UtcNow; |
| 27 | await store.SaveMetadataAsync(new ChatSessionMetadata(olderId, now.AddHours(-2), now.AddHours(-1)), CancellationToken.None); |
| 28 | await store.SaveMetadataAsync(new ChatSessionMetadata(newerId, now.AddHours(-1), now), CancellationToken.None); |
| 29 | |
| 30 | var resolved = await store.ResolveOrCreateCurrentSessionIdAsync(); |
| 31 | Assert.Equal(newerId, resolved); |
| 32 | } |
| 33 | |
| 34 | [Fact] |
| 35 | public async Task ReadEventsAsync_RoundTripsAppendOnlyLog() |
| 36 | { |
| 37 | var root = CreateTempWorkspaceRoot(); |
| 38 | var store = new ChatSessionStore(root); |
| 39 | var sessionId = await store.ResolveOrCreateCurrentSessionIdAsync(); |
| 40 | var ev = new ChatHistoryEvent( |
| 41 | Guid.NewGuid(), |
| 42 | sessionId, |
| 43 | DateTimeOffset.UtcNow, |
| 44 | ChatHistoryEventKind.MessageAdded, |
| 45 | ChatHistoryJson.Serialize(new ChatHistoryMessagePayload( |
| 46 | Guid.NewGuid().ToString("N"), |
| 47 | "user", |
| 48 | "hello", |
| 49 | Guid.NewGuid().ToString("N")))); |
| 50 | await store.AppendEventAsync(ev, CancellationToken.None); |
| 51 | |
| 52 | var rows = await store.ReadEventsAsync(sessionId, CancellationToken.None); |
| 53 | Assert.Single(rows); |
| 54 | Assert.Equal(ev.EventId, rows[0].EventId); |
| 55 | } |
| 56 | |
| 57 | [Fact] |
| 58 | public async Task ResolveOrCreateCurrentSessionId_PicksLatestEventsWhenNoMeta() |
| 59 | { |
| 60 | var root = CreateTempWorkspaceRoot(); |
| 61 | var store = new ChatSessionStore(root); |
| 62 | var olderId = Guid.Parse("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"); |
| 63 | var newerId = Guid.Parse("bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"); |
| 64 | var sessionsDir = Path.Combine(root, ".cascade-ide", "chat-sessions"); |
| 65 | Directory.CreateDirectory(sessionsDir); |
| 66 | var olderPath = Path.Combine(sessionsDir, $"session-{olderId:N}.events.ndjson"); |
| 67 | var newerPath = Path.Combine(sessionsDir, $"session-{newerId:N}.events.ndjson"); |
| 68 | await File.WriteAllTextAsync(olderPath, ""); |
| 69 | await Task.Delay(20); |
| 70 | await File.WriteAllTextAsync(newerPath, ""); |
| 71 | |
| 72 | var resolved = await store.ResolveOrCreateCurrentSessionIdAsync(); |
| 73 | Assert.Equal(newerId, resolved); |
| 74 | } |
| 75 | |
| 76 | [Fact] |
| 77 | public void SetWorkspaceRoot_SwitchesSessionDirectory() |
| 78 | { |
| 79 | var a = CreateTempWorkspaceRoot(); |
| 80 | var b = CreateTempWorkspaceRoot(); |
| 81 | var store = new ChatSessionStore(a); |
| 82 | Assert.Contains(a, store.RootPath, StringComparison.OrdinalIgnoreCase); |
| 83 | store.SetWorkspaceRoot(b); |
| 84 | Assert.Contains(b, store.RootPath, StringComparison.OrdinalIgnoreCase); |
| 85 | Assert.DoesNotContain(a, store.RootPath, StringComparison.OrdinalIgnoreCase); |
| 86 | } |
| 87 | |
| 88 | private static string CreateTempWorkspaceRoot() |
| 89 | { |
| 90 | var path = Path.Combine(Path.GetTempPath(), "cascade-chat-store-" + Guid.NewGuid().ToString("N")); |
| 91 | Directory.CreateDirectory(path); |
| 92 | return path; |
| 93 | } |
| 94 | } |
| 95 | |