엣지 API 테스트코드 작성

.gitignore

@@ -44,8 +44,4 @@ lerna-debug.log*
 
 # IDE - VSCode
 .vscode/*
-!.vscode/settings.json
-!.vscode/tasks.json
-!.vscode/launch.json
-!.vscode/extensions.json
 apps/backend/db.sqlite

apps/backend/src/edge/edge.controller.spec.ts

@@ -1,25 +1,120 @@
 import { Test, TestingModule } from '@nestjs/testing';
 import { EdgeController } from './edge.controller';
 import { EdgeService } from './edge.service';
+import { CreateEdgeDto } from './dtos/createEdge.dto';
+import { EdgeResponseMessage } from './edge.controller';
+import { EdgeNotFoundException } from '../exception/edge.exception';
+import { Edge } from './edge.entity';
+import { Node } from '../node/node.entity';
 
 describe('EdgeController', () => {
   let controller: EdgeController;
+  let edgeService: EdgeService;
 
   beforeEach(async () => {
     const module: TestingModule = await Test.createTestingModule({
       controllers: [EdgeController],
       providers: [
         {
           provide: EdgeService,
-          useValue: {},
+          useValue: {
+            createEdge: jest.fn(),
+            deleteEdge: jest.fn(),
+            findEdges: jest.fn(),
+          },
         },
       ],
     }).compile();
 
     controller = module.get<EdgeController>(EdgeController);
+    edgeService = module.get<EdgeService>(EdgeService);
   });
 
   it('컨트롤러 클래스가 정상적으로 인스턴스화된다.', () => {
     expect(controller).toBeDefined();
   });
+
+  describe('createEdge', () => {
+    it('엣지가 성공적으로 만들어진다', async () => {
+      const dto: CreateEdgeDto = { fromNode: 1, toNode: 3 };
+      const expectedResponse = {
+        message: EdgeResponseMessage.EDGE_CREATED,
+      };
+
+      jest.spyOn(edgeService, 'createEdge').mockResolvedValue(undefined);
+      const result = await controller.createEdge(dto);
+
+      expect(edgeService.createEdge).toHaveBeenCalledWith(dto);
+      expect(result).toEqual(expectedResponse);
+    });
+  });
+
+  describe('deleteEdge', () => {
+    it('id에 해당하는 엣지를 찾아 삭제한다.', async () => {
+      const id = 2;
+      const expectedResponse = {
+        message: EdgeResponseMessage.EDGE_DELETED,
+      };
+
+      const result = await controller.deleteEdge(id);
+
+      expect(edgeService.deleteEdge).toHaveBeenCalledWith(id);
+      expect(result).toEqual(expectedResponse);
+    });
+
+    it('id에 해당하는 엣지가 존재하지 않으면 NodeNotFoundException을 throw한다.', async () => {
+      jest
+        .spyOn(edgeService, 'deleteEdge')
+        .mockRejectedValue(new EdgeNotFoundException());
+
+      await expect(controller.deleteEdge(1)).rejects.toThrow(
+        EdgeNotFoundException,
+      );
+    });
+  });
+
+  describe('findEdges', () => {
+    it('모든 엣지 목록을 반환한다.', async () => {
+      const node3 = {
+        id: 3,
+        x: 0,
+        y: 0,
+        title: 'Node Title',
+        page: null,
+        outgoingEdges: [],
+        incomingEdges: [],
+      } as Node;
+      const node4 = {
+        id: 4,
+        x: 0,
+        y: 0,
+        title: 'Node Title',
+        page: null,
+        outgoingEdges: [],
+        incomingEdges: [],
+      } as Node;
+      const node5 = {
+        id: 5,
+        x: 0,
+        y: 0,
+        title: 'Node Title',
+        page: null,
+        outgoingEdges: [],
+        incomingEdges: [],
+      } as Node;
+
+      const expectedEdges = [
+        { id: 1, fromNode: node3, toNode: node5 },
+        { id: 2, fromNode: node3, toNode: node4 },
+      ] as Edge[];
+      node3.outgoingEdges = [];
+
+      jest.spyOn(edgeService, 'findEdges').mockResolvedValue(expectedEdges);
+
+      await expect(controller.findEdges()).resolves.toEqual({
+        message: EdgeResponseMessage.EDGE_ALL_RETURNED,
+        edges: expectedEdges,
+      });
+    });
+  });
 });

apps/backend/src/edge/edge.controller.ts

@@ -33,11 +33,11 @@ export class EdgeController {
   })
   @Get('/')
   @HttpCode(HttpStatus.OK)
-  async getNodes() {
-    const nodes = await this.edgeService.findEdges();
+  async findEdges() {
+    const edges = await this.edgeService.findEdges();
     return {
       message: EdgeResponseMessage.EDGE_ALL_RETURNED,
-      nodes: nodes,
+      edges: edges,
     };
   }
 
@@ -56,7 +56,7 @@ export class EdgeController {
   @ApiOperation({ summary: '엣지를 삭제합니다.' })
   @Delete('/:id')
   @HttpCode(HttpStatus.OK)
-  async deleteNode(
+  async deleteEdge(
     @Param('id', ParseIntPipe) id: number,
   ): Promise<{ message: string }> {
     await this.edgeService.deleteEdge(id);

apps/backend/src/edge/edge.entity.ts

@@ -2,7 +2,7 @@
 import {
   Entity,
   PrimaryGeneratedColumn,
-  Column,
+  // Column,
   ManyToOne,
   JoinColumn,
 } from 'typeorm';
@@ -21,9 +21,9 @@ export class Edge {
   @JoinColumn({ name: 'to_node_id' })
   toNode: Node;
 
-  @Column({ nullable: true })
-  type: string;
+  // @Column({ nullable: true })
+  // type: string;
 
-  @Column({ nullable: true })
-  color: string;
+  // @Column({ nullable: true })
+  // color: string;
 }

apps/backend/src/edge/edge.service.spec.ts

@@ -2,29 +2,191 @@ import { Test, TestingModule } from '@nestjs/testing';
 import { EdgeService } from './edge.service';
 import { EdgeRepository } from './edge.repository';
 import { NodeRepository } from '../node/node.repository';
+import { CreateEdgeDto } from './dtos/createEdge.dto';
+import { Edge } from './edge.entity';
+import { Node } from '../node/node.entity';
+import { EdgeNotFoundException } from '../exception/edge.exception';
 
 describe('EdgeService', () => {
   let service: EdgeService;
+  let edgeRepository: jest.Mocked<EdgeRepository>;
+  let nodeRepository: jest.Mocked<NodeRepository>;
 
   beforeEach(async () => {
     const module: TestingModule = await Test.createTestingModule({
       providers: [
         EdgeService,
         {
           provide: EdgeRepository,
-          useValue: {},
+          useValue: {
+            create: jest.fn(),
+            save: jest.fn(),
+            delete: jest.fn(),
+            findOneBy: jest.fn(),
+            find: jest.fn(),
+          },
         },
         {
           provide: NodeRepository,
-          useValue: {},
+          useValue: {
+            save: jest.fn(),
+            findOneBy: jest.fn(),
+          },
         },
       ],
     }).compile();
 
     service = module.get<EdgeService>(EdgeService);
+    edgeRepository = module.get(EdgeRepository);
+    nodeRepository = module.get(NodeRepository);
   });
 
   it('서비스 클래스가 정상적으로 인스턴스화된다.', () => {
     expect(service).toBeDefined();
   });
+
+  describe('createEdge', () => {
+    it('새로운 엣지를 만들어 노드와 노드를 연결하는 연결한다.', async () => {
+      const dto: CreateEdgeDto = { fromNode: 3, toNode: 5 };
+      const fromNode = {
+        id: 3,
+        x: 0,
+        y: 0,
+        title: 'Node Title',
+        page: null,
+        outgoingEdges: [],
+        incomingEdges: [],
+      } as Node;
+      const toNode = {
+        id: 5,
+        x: 0,
+        y: 0,
+        title: 'Node Title',
+        page: null,
+        outgoingEdges: [],
+        incomingEdges: [],
+      } as Node;
+      const edge = {
+        id: 1,
+        fromNode: fromNode,
+        toNode: toNode,
+      } as Edge;
+
+      jest
+        .spyOn(nodeRepository, 'findOneBy')
+        .mockResolvedValueOnce(fromNode) // 첫 번째 호출: fromNode
+        .mockResolvedValueOnce(toNode); // 두 번째 호출: toNode
+      jest.spyOn(edgeRepository, 'save').mockResolvedValue(edge);
+
+      const result = await service.createEdge(dto);
+
+      expect(result).toEqual(edge);
+      expect(edgeRepository.save).toHaveBeenCalledTimes(1);
+      expect(nodeRepository.findOneBy).toHaveBeenCalledTimes(2);
+    });
+  });
+
+  describe('deleteEdge', () => {
+    it('엣지를 성공적으로 삭제한다.', async () => {
+      jest
+        .spyOn(edgeRepository, 'delete')
+        .mockResolvedValue({ affected: true } as any);
+      jest.spyOn(edgeRepository, 'findOneBy').mockResolvedValue(new Edge());
+
+      await service.deleteEdge(1);
+
+      expect(edgeRepository.delete).toHaveBeenCalledWith(1);
+    });
+
+    it('삭제할 엣지가 존재하지 않으면 EdgeNotFoundException을 throw한다.', async () => {
+      jest
+        .spyOn(edgeRepository, 'delete')
+        .mockResolvedValue({ affected: false } as any);
+      await expect(service.deleteEdge(1)).rejects.toThrow(
+        EdgeNotFoundException,
+      );
+    });
+  });
+
+  describe('findEdges', () => {
+    it('존재하는 모든 엣지를 반환한다.', async () => {
+      const node3 = {
+        id: 3,
+        x: 0,
+        y: 0,
+        title: 'Node Title',
+        page: null,
+        outgoingEdges: [],
+        incomingEdges: [],
+      } as Node;
+      const node4 = {
+        id: 4,
+        x: 0,
+        y: 0,
+        title: 'Node Title',
+        page: null,
+        outgoingEdges: [],
+        incomingEdges: [],
+      } as Node;
+      const node5 = {
+        id: 5,
+        x: 0,
+        y: 0,
+        title: 'Node Title',
+        page: null,
+        outgoingEdges: [],
+        incomingEdges: [],
+      } as Node;
+      const node7 = {
+        id: 7,
+        x: 0,
+        y: 0,
+        title: 'Node Title',
+        page: null,
+        outgoingEdges: [],
+        incomingEdges: [],
+      } as Node;
+
+      const expectedEdgeList = [
+        {
+          id: 1,
+          fromNode: node3,
+          toNode: node5,
+        } as Edge,
+        {
+          id: 2,
+          fromNode: node3,
+          toNode: node4,
+        } as Edge,
+        {
+          id: 3,
+          fromNode: node3,
+          toNode: node7,
+        } as Edge,
+      ];
+
+      jest.spyOn(edgeRepository, 'find').mockResolvedValue(expectedEdgeList);
+      const result = await service.findEdges();
+      expect(result).toEqual(expectedEdgeList);
+      expect(edgeRepository.find).toHaveBeenCalledTimes(1);
+      expect(edgeRepository.find).toHaveBeenCalledWith({
+        relations: ['fromNode', 'toNode'],
+        select: {
+          id: true,
+          fromNode: {
+            id: true,
+          },
+          toNode: {
+            id: true,
+          },
+        },
+      });
+    });
+
+    it('엣지가 없을 경우, 빈 배열을 던진다.', async () => {
+      jest.spyOn(edgeRepository, 'find').mockResolvedValue([]);
+      const result = await service.findEdges();
+      expect(result).toEqual([]);
+    });
+  });
 });