Manage circuit groups

tests/circuit-group-numbering.test.ts

@@ -15,8 +15,60 @@ import { createCircuitGroupMovePlan } from "../src/domain/services/circuit-group
 import "./circuit-group-move-project-command.repository.test.js";
 import "./circuit-group-subtree-snapshot.test.js";
 import "./circuit-group-subtree-project-command.repository.test.js";
+import {
+  buildNewCircuitGroupSnapshot,
+  canDeleteCircuitGroup,
+  renameCircuitGroupSnapshot,
+} from "../src/frontend/utils/circuit-group-editing.js";
 
 describe("circuit group numbering", () => {
+  it("builds the next group without filling gaps or renumbering existing groups", () => {
+    const sections = [
+      groupSection("lighting-1", "lighting", 1, 10),
+      groupSection("single-1", "single_phase", 1, 20),
+      groupSection("lighting-3", "lighting", 3, 15),
+    ];
+    const snapshot = buildNewCircuitGroupSnapshot({
+      id: "lighting-4",
+      circuitListId: "list-1",
+      category: "lighting",
+      sections,
+    });
+    assert.deepEqual(snapshot, {
+      id: "lighting-4",
+      circuitListId: "list-1",
+      key: "lighting_4",
+      displayName: "Beleuchtung 4",
+      prefix: "-1F4.",
+      sortOrder: 17.5,
+      category: "lighting",
+      groupNumber: 4,
+    });
+    assert.equal(
+      renameCircuitGroupSnapshot(snapshot, " Beleuchtung Nord ").displayName,
+      "Beleuchtung Nord"
+    );
+    assert.equal(canDeleteCircuitGroup(sections[0]), true);
+    assert.equal(
+      canDeleteCircuitGroup({
+        ...sections[0],
+        components: [
+          {
+            id: "component-1",
+            circuitListId: "list-1",
+            sectionId: sections[0].id,
+            equipmentIdentifier: "-1Q1.0",
+            name: "Gruppen-FI",
+            role: "group_residual_current_protection",
+            placement: "group",
+            sortOrder: 10,
+          },
+        ],
+      }),
+      false
+    );
+  });
+
   it("formats the agreed identifiers including the leading hyphen", () => {
     assert.equal(
       formatGroupUpstreamProtectionIdentifier("lighting", 1),
@@ -110,6 +162,26 @@ describe("circuit group numbering", () => {
   });
 });
 
+function groupSection(
+  id: string,
+  category: "lighting" | "single_phase" | "three_phase",
+  groupNumber: number,
+  sortOrder: number
+) {
+  return {
+    id,
+    key: id,
+    displayName: id,
+    prefix: `-${category === "lighting" ? 1 : category === "single_phase" ? 2 : 3}F${groupNumber}.`,
+    sortOrder,
+    category,
+    groupNumber,
+    sectionTotalPower: 0,
+    components: [],
+    circuits: [],
+  };
+}
+
 describe("circuit group renumber planning", () => {
   const groups = [
     {