Files
promptkit/prepared_notification_contract_test.go

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package promptkit_test
import (
"context"
"errors"
"testing"
"go.maximumdirect.net/promptkit"
)
func TestPreparedNotificationSelectionAndOrdering(t *testing.T) {
for _, split := range []bool{false, true} {
t.Run(map[bool]string{false: "run", true: "prepared"}[split], func(t *testing.T) {
calls := 0
engine := observationEngine(t, observationClientFunc(func(_ context.Context, _ promptkit.GenerateRequest) (*promptkit.GenerateResponse, error) {
if calls != 1 {
t.Fatalf("generation before notification: %d", calls)
}
return &promptkit.GenerateResponse{Content: "ok"}, nil
}))
req := promptkit.RunRequest{PromptID: "prompt", OnPrepared: func(_ context.Context, details promptkit.PreparedRun) {
calls++
if details.PromptID != "prompt" || len(details.Messages) == 0 {
t.Fatalf("details=%+v", details)
}
}}
if split {
handle, err := engine.PrepareExecution(context.Background(), req)
if err != nil {
t.Fatal(err)
}
if calls != 0 {
t.Fatal("preparation notified")
}
req.OnPrepared = func(context.Context, promptkit.PreparedRun) { t.Fatal("selection changed") }
_, err = engine.RunPrepared(context.Background(), handle)
if err != nil {
t.Fatal(err)
}
} else if _, err := engine.Run(context.Background(), req); err != nil {
t.Fatal(err)
}
if calls != 1 {
t.Fatalf("notifications=%d", calls)
}
})
}
}
func TestCancellationInPreparedNotificationPreventsGeneration(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
engine := observationEngine(t, observationClientFunc(func(context.Context, promptkit.GenerateRequest) (*promptkit.GenerateResponse, error) {
t.Fatal("generation after cancellation")
return nil, nil
}))
_, err := engine.Run(ctx, promptkit.RunRequest{PromptID: "prompt", OnPrepared: func(context.Context, promptkit.PreparedRun) { cancel() }})
if !errors.Is(err, context.Canceled) || !errors.Is(err, promptkit.ErrLLMGenerate) {
t.Fatalf("error=%v", err)
}
}