Read what a machine has from its haves: reported-and-current, the bus list, a given value's first good start; drop the digest of a send (migration 0110) (release 6, issue 1945 B8)

cmd/mesh-controller/helpers_kept_test.go

@@ -48,3 +48,37 @@ func aContainer(name string) catalogue.Manifest {
 	return catalogue.Manifest{Module: name, Version: "1",
 		Resources: []map[string]any{{"id": name, "type": "container", "image": name}}}
 }
+
+// pushedBy composes a machine's declaration as the compositions are made, so its own secrets are made, and answers its digest.
+// Nothing records a send: there is none (ADR 0539 §5).
+func pushedBy(t *testing.T, open *stores, node string) string {
+	t.Helper()
+	ctx := t.Context()
+	plan, settings, err := resolveNode(ctx, open, node)
+	if err != nil {
+		t.Fatal(err)
+	}
+	declared, err := declarationFor(ctx, open, node, plan, settings)
+	if err != nil {
+		t.Fatal(err)
+	}
+	body, err := declared.Body()
+	if err != nil {
+		t.Fatal(err)
+	}
+	return digestOf(body)
+}
+
+// pushedAndApplied is pushedBy, and the machine reporting it applied that declaration.
+func pushedAndApplied(t *testing.T, open *stores, node string) {
+	t.Helper()
+	digest := pushedBy(t, open, node)
+	record, err := open.inventory.NodeByName(t.Context(), node)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if _, err := open.inventory.RecordDoing(t.Context(), record.ID, inventory.Doing{
+		Outcome: inventory.OutcomeApplied, Declared: digest}); err != nil {
+		t.Fatal(err)
+	}
+}