feat: persist workflow signals and arbitrate poll completion

weave/signal/service_test.go

@@ -0,0 +1,55 @@
+package signal
+
+import (
+	"context"
+	"encoding/json"
+	"strings"
+	"testing"
+
+	core "git.yuntuo.hk/k2safe/orbit/model"
+	"git.yuntuo.hk/k2safe/orbit/platform/auth"
+)
+
+type captureStore struct {
+	calls int
+	input Input
+}
+
+func (s *captureStore) Send(_ context.Context, _ auth.Token, _ core.ID, _ string, in Input) (Result, error) {
+	s.calls++
+	s.input = in
+	return Result{}, nil
+}
+func (s *captureStore) Get(context.Context, auth.Token, core.ID, core.ID) (View, error) {
+	s.calls++
+	return View{}, nil
+}
+func TestSignalInputBoundary(t *testing.T) {
+	store := &captureStore{}
+	api := New(store)
+	id := core.ID("11111111111111111111111111111111")
+	base := Input{Name: "completed", PayloadVersion: "v1", TargetStepKey: "wait", TargetActivationSequence: 1, CorrelationKey: "关联 ", Payload: json.RawMessage(`{"n":9007199254740993}`), Reason: "verified source", EvidenceRef: "proof:record-1"}
+	for _, raw := range []string{`{"n":9007199254740993}`, `null`} {
+		in := base
+		in.Payload = json.RawMessage(raw)
+		if _, err := api.Send(context.Background(), auth.Token{}, id, "original", in); err != nil || string(store.input.Payload) != raw || store.input.CorrelationKey != base.CorrelationKey {
+			t.Fatal("signal input changed", err)
+		}
+	}
+	for _, change := range []func(*Input){
+		func(in *Input) { in.TargetActivationSequence = 0 }, func(in *Input) { in.CorrelationKey = "" }, func(in *Input) { in.CorrelationKey = strings.Repeat("中", 171) }, func(in *Input) { in.CorrelationKey = "x\x00y" },
+		func(in *Input) { in.Name = "a:b" }, func(in *Input) { in.Name = strings.Repeat("n", 129) }, func(in *Input) { in.PayloadVersion = "" }, func(in *Input) { in.TargetStepKey = "$root" },
+		func(in *Input) { in.Payload = nil }, func(in *Input) { in.Payload = json.RawMessage(`{"n":1,"n":2}`) }, func(in *Input) { in.Payload = json.RawMessage(`"\ud800"`) },
+		func(in *Input) { in.Reason = " " }, func(in *Input) { in.Reason = strings.Repeat("中", 1025) }, func(in *Input) { in.EvidenceRef = "proof:secret\nvalue" }, func(in *Input) { in.EvidenceRef = strings.Repeat("x", 513) },
+	} {
+		in := base
+		change(&in)
+		before := store.calls
+		if _, err := api.Send(context.Background(), auth.Token{}, id, "original", in); err == nil || before != store.calls {
+			t.Fatal("invalid signal reached store")
+		}
+	}
+	if _, err := api.Send(context.Background(), auth.Token{}, id, "", base); err == nil {
+		t.Fatal("missing identity accepted")
+	}
+}