feat: 그룹 참여 구현

[Coalery]

주요 변경 사항

그룹 참여 기능을 구현합니다.

변경 이유

기존 기능을 구현합니다.

[github-actions]

Coverage report

❌ An unexpected error occurred. For more details, check console

Error: The process '/usr/local/bin/npx' failed with exit code 1

St.❔	Category	Percentage	Covered / Total
🟡	Statements	78.79% (+2.15% 🔼)	1077/1367
🔴	Branches	53.74% (+2.4% 🔼)	187/348
🔴	Functions	58.23% (+2.75% 🔼)	184/316
🟡	Lines	78.71% (+2.21% 🔼)	1009/1282

Show new covered files 🐣

St.❔	File	Statements	Branches	Functions	Lines
🟢	... / GroupAuthorizer.ts	100%	87.5%	100%	100%
🟢	... / GroupMemberCreatedHandler.ts	100%	61.11%	100%	100%
🟢	... / GroupMemberCreated.ts	100%	100%	100%	100%
🟢	... / GroupDomainService.ts	100%	70%	100%	100%
🟢	... / JoinGroupCommand.ts	100%	100%	100%	100%
🟢	... / JoinGroupCommandHandler.ts	100%	60%	100%	100%

Test suite run failed

Failed tests: 1/178. Failed suites: 1/38.

  ● GroupMemberCreatedHandler › handle › 운영진 공개 그룹이 아니라면 그룹장에게 메시지를 보내야 한다

    expect(jest.fn()).toBeCalledWith(...expected)

    Expected: ObjectContaining {"targetUserId": "adminUserId"}
    Received: {"category": "GROUP_ACTIVITY_FOR_ME", "message": "message", "targetUserId": "userId"}

    Number of calls: 1

      175 |       await handler.handle(new GroupMemberCreated(groupId, userId));
      176 |
    > 177 |       expect(slackSender.send).toBeCalledWith(
          |                                ^
      178 |         expect.objectContaining({ targetUserId: group.adminUserId }),
      179 |       );
      180 |     });

      at Object.toBeCalledWith (app/application/group/eventHandler/GroupMemberCreatedHandler.spec.ts:177:32)

Report generated by 🧪jest coverage report action from dd061b1

[Coalery]

코드 변경이 상당히 많이 일어나 재구현하는 방향으로 잡고, 해당 PR은 닫습니다.