feat(screener): add canvas layout constants (11 nodes, 16 edges)

src/pages/stock/screener/components/canvas/constants/canvasLayout.test.js

@@ -0,0 +1,62 @@
+import { describe, it, expect } from 'vitest';
+import {
+  NODE_IDS, INITIAL_NODE_POSITIONS, EDGES,
+  NODE_KIND_MAP, SCORE_NODE_NAME_MAP,
+} from './canvasLayout';
+
+describe('canvasLayout', () => {
+  it('NODE_IDS — 11개 키, 모두 unique', () => {
+    const ids = Object.values(NODE_IDS);
+    expect(ids).toHaveLength(11);
+    expect(new Set(ids).size).toBe(11);
+  });
+
+  it('INITIAL_NODE_POSITIONS — 모든 NODE_IDS에 좌표 존재', () => {
+    for (const id of Object.values(NODE_IDS)) {
+      expect(INITIAL_NODE_POSITIONS[id]).toMatchObject({
+        x: expect.any(Number),
+        y: expect.any(Number),
+      });
+    }
+  });
+
+  it('EDGES — 16개, source/target이 모두 NODE_IDS 안에 존재', () => {
+    expect(EDGES).toHaveLength(16);
+    const validIds = new Set(Object.values(NODE_IDS));
+    for (const e of EDGES) {
+      expect(validIds.has(e.source)).toBe(true);
+      expect(validIds.has(e.target)).toBe(true);
+      expect(e.id).toBeTruthy();
+    }
+  });
+
+  it('EDGES — 7개 점수 노드는 모두 gate 입력 + combine 출력을 가짐', () => {
+    const SCORE_IDS = [
+      NODE_IDS.FOREIGN, NODE_IDS.VOLUME, NODE_IDS.MOMENTUM,
+      NODE_IDS.HIGH52W, NODE_IDS.RS, NODE_IDS.MA, NODE_IDS.VCP,
+    ];
+    for (const sid of SCORE_IDS) {
+      const hasGateInput = EDGES.some(
+        (e) => e.source === NODE_IDS.GATE && e.target === sid
+      );
+      const hasCombineOutput = EDGES.some(
+        (e) => e.source === sid && e.target === NODE_IDS.COMBINE
+      );
+      expect(hasGateInput).toBe(true);
+      expect(hasCombineOutput).toBe(true);
+    }
+  });
+
+  it('NODE_KIND_MAP — 각 노드의 kind ∈ {data,gate,score,combine,result}', () => {
+    const valid = new Set(['data','gate','score','combine','result']);
+    for (const id of Object.values(NODE_IDS)) {
+      expect(valid.has(NODE_KIND_MAP[id])).toBe(true);
+    }
+  });
+
+  it('SCORE_NODE_NAME_MAP — 7개 점수 노드 ID → backend node name', () => {
+    expect(Object.keys(SCORE_NODE_NAME_MAP)).toHaveLength(7);
+    expect(SCORE_NODE_NAME_MAP[NODE_IDS.FOREIGN]).toBe('foreign_buy');
+    expect(SCORE_NODE_NAME_MAP[NODE_IDS.VOLUME]).toBe('volume_surge');
+  });
+});