Merge remote-tracking branch 'origin/feat/r4g' into feat/r4g

modules/mesh-build-go/cmd/mesh-build-go/asks_test.go

@@ -148,3 +148,33 @@ func TestManifestClaimsTheGoBuildSeatAndReadsItsCapacity(t *testing.T) {
 }
 
 func m0() *Module { return &Module{Node: "ace", Capacity: func() int { return 0 }} }
+
+// 1917: a check ask's digest is the digest tool's own body, which answers the packages in the call (no step key): the
+// ask's level carries the digest, so the checker keys the kept verdicts by it.
+func TestACheckAsksDigestIsTheToolsAnswerInTheCall(t *testing.T) {
+	m := &Module{Node: "ace"}
+	for _, s := range m.StepTools() {
+		if s.Name == "build_go_digest" && s.Long {
+			t.Fatal("build_go_digest is a long step: its answer would be a step key, not the digest")
+		}
+	}
+	var calls []string
+	steps := fakeSteps(&calls)
+	for i := range steps {
+		if steps[i].Name == "build_go_digest" {
+			steps[i].Run = func(ctx context.Context, args map[string]any) (any, error) {
+				return map[string]any{"level": "unit", "packages": map[string]string{"x/a": "d1"}}, nil
+			}
+		}
+	}
+	ask := m.askSteps(steps)
+	a := delivery.StepAsk{ID: buildstep.NewID(), Kind: delivery.AskCheck, Language: delivery.AskGo, Asker: "mesh-delivery-checker",
+		At: time.Now(), Check: &delivery.CheckJob{Fetch: map[string]any{"repository": "novox/x", "commit": askCommit}, Levels: []string{delivery.LevelUnit}}}
+	out, err := buildstep.RunAsk(context.Background(), ask, a)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if l := out.(delivery.CheckAnswer).Levels; len(l) != 1 || !strings.Contains(string(l[0].Digest), `"x/a":"d1"`) {
+		t.Fatalf("levels = %+v, want the digest's packages", l)
+	}
+}