Drop the plan state from the store and the assignments: migration 0108 and placement-only assignments (release 6, issue 1945 B9, B4)

cmd/mesh-controller/plans_gone_store_integration_test.go

@@ -0,0 +1,35 @@
+//go:build integration
+
+package main
+
+import (
+	"strings"
+	"testing"
+
+	"git.novox.be/novox/mesh-sdk/go/catalogue"
+)
+
+// **The controller opens on a store whose plan tables are gone** (novox/hq ADR 0539 §17, issue 1945 B9): migration 0108 has
+// dropped the record of sends, the assignment generation, the gate's verdicts and the durations, and the controller still
+// assigns a module, reads where it runs, takes it off and reads the nodes.
+func TestTheControllerOpensOnAStoreWithoutThePlanTables(t *testing.T) {
+	open := aMesh(t)
+	ctx := t.Context()
+	inv := open.inventory
+	for _, row := range inv.QueryForTest(t, `select table_name::text from information_schema.tables where table_schema = 'public'`) {
+		switch name := strings.Trim(row[0], `"`); name {
+		case "declaration_send", "assignment_generation", "build_gate", "duration":
+			t.Errorf("the table %s is in the store", name)
+		}
+	}
+	register(t, open, catalogue.Manifest{Module: "notes", Version: "1"})
+	if _, err := assign(ctx, open, "anchor", "notes"); err != nil {
+		t.Fatalf("assign on the migrated store: %v", err)
+	}
+	if on, err := inv.Assigned(ctx, "anchor"); err != nil || len(on) != 1 || on[0] != "notes" {
+		t.Fatalf("assigned %v: %v", on, err)
+	}
+	if nodes, err := inv.Nodes(ctx); err != nil || len(nodes) == 0 {
+		t.Fatalf("nodes %v: %v", nodes, err)
+	}
+}