| 1 | package providerext |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "sync" |
| 6 | "sync/atomic" |
| 7 | "testing" |
| 8 | |
| 9 | "reasonix/internal/extension/protocol" |
| 10 | "reasonix/internal/provider" |
| 11 | ) |
| 12 | |
| 13 | func TestFinishedStreamUnregistersDrainCancel(t *testing.T) { |
| 14 | r := testResolver(t, baseCatalog(), nil) |
| 15 | var unregistered atomic.Int32 |
| 16 | stream := &extensionStream{ |
| 17 | done: make(chan struct{}), |
| 18 | unregisterDrainCancel: func() { |
| 19 | unregistered.Add(1) |
| 20 | }, |
| 21 | } |
| 22 | r.mu.Lock() |
| 23 | r.streams["finished"] = stream |
| 24 | r.finishLocked("finished", stream, provider.Chunk{}) |
| 25 | r.finishLocked("finished", stream, provider.Chunk{}) |
| 26 | r.mu.Unlock() |
| 27 | if got := unregistered.Load(); got != 1 { |
| 28 | t.Fatalf("drain cancel unregister count = %d, want 1", got) |
| 29 | } |
| 30 | } |
| 31 | |
| 32 | func TestDrainCancelInstallUnregistersWhenStreamAlreadyFinished(t *testing.T) { |
| 33 | r := testResolver(t, baseCatalog(), nil) |
| 34 | stream := &extensionStream{done: make(chan struct{})} |
| 35 | r.mu.Lock() |
| 36 | r.streams["finished-before-install"] = stream |
| 37 | r.finishLocked("finished-before-install", stream, provider.Chunk{}) |
| 38 | r.mu.Unlock() |
| 39 | |
| 40 | var unregistered atomic.Int32 |
| 41 | r.installDrainCancel("finished-before-install", stream, func() { |
| 42 | unregistered.Add(1) |
| 43 | }) |
| 44 | if got := unregistered.Load(); got != 1 { |
| 45 | t.Fatalf("late drain cancel unregister count = %d, want 1", got) |
| 46 | } |
| 47 | if stream.unregisterDrainCancel != nil { |
| 48 | t.Fatal("completed stream retained a drain cancel unregister callback") |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | func TestConcurrentStreamsReuseProviderHandleWithoutMutation(t *testing.T) { |
| 53 | fc := newFakeClient("demo", demoDescriptor()) |
| 54 | r := testResolver(t, baseCatalog(), nil, fc) |
| 55 | p, err := r.Resolve(provider.Selection{Ref: "plugin/demo/fake/x"}) |
| 56 | if err != nil { |
| 57 | t.Fatalf("Resolve: %v", err) |
| 58 | } |
| 59 | |
| 60 | type result struct { |
| 61 | out <-chan provider.Chunk |
| 62 | err error |
| 63 | } |
| 64 | const streamCount = 8 |
| 65 | results := make(chan result, streamCount) |
| 66 | var wg sync.WaitGroup |
| 67 | for range streamCount { |
| 68 | wg.Go(func() { |
| 69 | out, streamErr := p.Stream(context.Background(), provider.Request{ |
| 70 | Messages: []provider.Message{{Role: provider.RoleUser}}, |
| 71 | }) |
| 72 | results <- result{out: out, err: streamErr} |
| 73 | }) |
| 74 | } |
| 75 | wg.Wait() |
| 76 | close(results) |
| 77 | |
| 78 | var outputs []<-chan provider.Chunk |
| 79 | for item := range results { |
| 80 | if item.err != nil { |
| 81 | t.Fatalf("Stream: %v", item.err) |
| 82 | } |
| 83 | outputs = append(outputs, item.out) |
| 84 | } |
| 85 | fc.mu.Lock() |
| 86 | opened := append([]protocol.StreamOpenParams(nil), fc.opened...) |
| 87 | fc.mu.Unlock() |
| 88 | if len(opened) != streamCount { |
| 89 | t.Fatalf("opened streams = %d, want %d", len(opened), streamCount) |
| 90 | } |
| 91 | for _, params := range opened { |
| 92 | r.RouteStreamEnd(protocol.StreamEndParams{StreamID: params.StreamID, LastSeq: 0}) |
| 93 | } |
| 94 | for _, out := range outputs { |
| 95 | if chunks := collectChunks(t, out); len(chunks) != 0 { |
| 96 | t.Fatalf("clean empty stream delivered %d chunks", len(chunks)) |
| 97 | } |
| 98 | } |
| 99 | } |
| 100 |