task(CAD-14): phase 3 - V2 select tool on v2 doc (click via bridge hitTest, shift-additive, box-select by center-in-bbox, onChange app channel via ref), bridge onChange wired

frontend/tests/selectToolV2.test.ts

@@ -0,0 +1,100 @@
+/**
+ * CAD-14 Phase 3: selectTool V2 — Auswahl direkt auf dem V2-Dokument.
+ * Klick = hitTest via SelectionBridge, Leerklick leert, Shift additiv,
+ * Drag = Box-Select (Elemente mit Zentrum in BBox).
+ */
+import { describe, it, expect, beforeEach } from 'vitest';
+import { selectTool } from '../src/plugins/builtin/core-drawing';
+import { CADDocument } from '../src/kernel/document/CADDocument';
+import { YjsDocument } from '../src/crdt/YjsDocument';
+import type { CADElement, Pt } from '../src/types/cad.types';
+
+function pe(x: number, y: number, shift = false): { world: Pt; shift: boolean } {
+  return { world: { x, y }, shift } as never;
+}
+
+function makeCtx(ids: string[], hit: CADElement | null) {
+  const selected: string[][] = [];
+  const onChangeCalls: string[][] = [];
+  const realDoc = new CADDocument(new YjsDocument());
+  let currentIds = [...ids];
+  const ctx: any = {
+    options: {},
+    selection: {
+      getIds: () => currentIds,
+      setIds: (next: string[], additive?: boolean) => {
+        currentIds = additive ? [...currentIds, ...next] : next;
+        selected.push(currentIds);
+      },
+      hitTest: (_x: number, _y: number, _tol: number) => hit,
+      onChange: (ids2: string[]) => onChangeCalls.push(ids2),
+    },
+    doc: realDoc,
+    setStatus: () => {},
+    setPreview: () => {},
+  };
+  return { ctx, selected, onChangeCalls, realDoc, getCurrentIds: () => currentIds };
+}
+
+function lineEl(id: string, x1: number, y1: number, x2: number, y2: number): CADElement {
+  return {
+    id, type: 'line', layerId: 'l', x: (x1 + x2) / 2, y: (y1 + y2) / 2,
+    width: Math.abs(x2 - x1), height: Math.abs(y2 - y1),
+    properties: { x1, y1, x2, y2 },
+  } as unknown as CADElement;
+}
+
+describe('CAD-14 Phase 3: selectTool V2', () => {
+  beforeEach(() => {
+    selectTool.handlers.cancel?.({ setStatus: () => {}, setPreview: () => {} } as never);
+  });
+
+  it('Manifest: id=select, basic-tag (immer sichtbar)', () => {
+    expect(selectTool.manifest.id).toBe('select');
+    expect((selectTool.manifest.tags ?? []).includes('basic')).toBe(true);
+  });
+
+  it('Klick auf Element: hitTest-Treffer wird selektiert (setIds mit ID)', () => {
+    const el = lineEl('e1', 0, 0, 100, 100);
+    const { ctx, selected } = makeCtx([], el);
+    selectTool.handlers.down!(pe(50, 50), ctx);
+    expect(selected.length).toBe(1);
+    expect(selected[0]).toEqual(['e1']);
+  });
+
+  it('Leerklick (hitTest null): Auswahl geleert (setIds mit [])', () => {
+    const { ctx, selected } = makeCtx(['e9'], null);
+    selectTool.handlers.down!(pe(500, 500), ctx);
+    expect(selected.length).toBe(1);
+    expect(selected[0]).toEqual([]);
+  });
+
+  it('Shift-Klick additiv: setIds mit additive=true', () => {
+    const el = lineEl('e1', 0, 0, 100, 100);
+    const { ctx, selected } = makeCtx(['e9'], el);
+    selectTool.handlers.down!(pe(50, 50, true), ctx);
+    expect(selected.length).toBe(1);
+    // additive-Variante: bestaehige IDs + neue ID
+    expect(selected[0]).toEqual(['e9', 'e1']);
+  });
+
+  it('Box-Select: Element mit Zentrum in BBox wird selektiert', () => {
+    const { ctx, realDoc, getCurrentIds } = makeCtx([], null);
+    const el = lineEl('e1', 0, 0, 100, 100);
+    realDoc.addElement(el);
+    // down in leerer Gegend startet Box (Leerklick leert zuerst — korrekt),
+    // move zeigt Vorschau, up schliesst BBox um Element.
+    selectTool.handlers.down!(pe(-10, -10), ctx);
+    selectTool.handlers.move!(pe(200, 200), ctx);
+    selectTool.handlers.up!(pe(200, 200), ctx);
+    expect(getCurrentIds()).toEqual(['e1']);
+  });
+
+  it('onChange feuert nach Klick-Auswahl (App-Kanal)', () => {
+    const el = lineEl('e1', 0, 0, 100, 100);
+    const { ctx, onChangeCalls } = makeCtx([], el);
+    selectTool.handlers.down!(pe(50, 50), ctx);
+    expect(onChangeCalls.length).toBe(1);
+    expect(onChangeCalls[0]).toEqual(['e1']);
+  });
+});