test: 통합 테스트를 공용 컨테이너로 통일하고 PR 테스트 CI 추가

[ff1451]

요약

리팩토링을 시작하기 전에 테스트를 믿을 수 있게 만드는 PR이다. 프로덕션 코드는 바꾸지 않는다.

1. 예약 테스트 29건 상시 실패 수정: ReservationIntegrationTestSupport가 @Testcontainers/@Container를 써서 테스트 클래스가 끝날 때마다 Postgres 컨테이너를 내렸다. Spring은 같은 설정의 컨텍스트를 다음 클래스에서 재사용하므로, 두 번째 예약 테스트 클래스부터 내려간 컨테이너 포트로 접속하다 Connection refused로 실패했다(전체 실행 시 예약 테스트 6개 클래스 29건 실패).
2. 컨테이너 통일: 각자 컨테이너를 띄우던 테스트 8개(auth 4, member 3, 컨텍스트 로딩 1)와 예약 기반 클래스가 모두 IntegrationTestSupport(싱글턴 컨테이너)를 상속한다. 테스트 코드 약 180줄 감소.
3. 테스트 간 격리: 모든 통합 테스트가 같은 DB를 쓰게 되어, 한 테스트가 남긴 행이 다른 테스트의 memberRepository.deleteAll()을 FK로 막았다. IntegrationTestSupport가 테스트마다 기준 데이터(track, position, dues_exemption_reason)와 Flyway 이력을 뺀 전 테이블을 TRUNCATE ... CASCADE한다. ID 시퀀스는 리셋하지 않는다 — 메모리 요청 제한기가 회원 ID를 키로 써서, 리셋하면 테스트 간 429가 난다.
4. CI 추가: main/develop 대상 PR에서 ./gradlew test를 돌린다. 실패 시 테스트 리포트를 아티팩트로 올린다. 배포 워크플로(deploy.yml)는 건드리지 않았다.

테스트

• 로컬 전체 ./gradlew test: 532건 중 531 통과, 1 스킵(실제 신한 xlsx가 필요한 인수 테스트). 수정 전에는 29건 실패.

Summary by CodeRabbit

• CI
  • Added automated test runs for pull requests targeting main or develop. Failed runs retain test reports for seven days.
• Tests
  • Integration tests now share a common setup that resets test data between runs while preserving migration-seeded data.

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• Configuration used: defaults
• Review profile: CHILL
• Plan: Advanced
• Run ID: a89e5292-f37d-48d3-842e-4d10de9716e9

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Reviewing files that changed from the base of the PR and between 2fe4b62 and 4b66fc6.

📒 Files selected for processing: 1

• src/test/java/com/bcsdlab/bcsdinternalapiv2/IntegrationTestSupport.java

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⚙️ Run configuration

• Configuration used: defaults
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• Run ID: 59e16478-96f0-4869-ba8a-4b781e7af698

📥 Commits

Reviewing files that changed from the base of the PR and between eb99560 and 2fe4b62.

📒 Files selected for processing: 11

• .github/workflows/ci.yml
• src/test/java/com/bcsdlab/bcsdinternalapiv2/BcsdInternalApiV2ApplicationTests.java
• src/test/java/com/bcsdlab/bcsdinternalapiv2/IntegrationTestSupport.java
• src/test/java/com/bcsdlab/bcsdinternalapiv2/auth/InitialSetupIntegrationTest.java
• src/test/java/com/bcsdlab/bcsdinternalapiv2/auth/LoginIntegrationTest.java
• src/test/java/com/bcsdlab/bcsdinternalapiv2/auth/PasswordResetIntegrationTest.java
• src/test/java/com/bcsdlab/bcsdinternalapiv2/auth/RefreshTokenIntegrationTest.java
• src/test/java/com/bcsdlab/bcsdinternalapiv2/member/AdminMemberIntegrationTest.java
• src/test/java/com/bcsdlab/bcsdinternalapiv2/member/AdminMemberWelcomeMailIntegrationTest.java
• src/test/java/com/bcsdlab/bcsdinternalapiv2/member/MemberDirectoryIntegrationTest.java
• src/test/java/com/bcsdlab/bcsdinternalapiv2/reservation/ReservationIntegrationTestSupport.java

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📝 Walkthrough

The pull-request workflow runs the Gradle test task. Integration tests now share Spring and PostgreSQL setup, with public application tables reset before each test.

Changes: Test Infrastructure

Layer / File(s)	Summary
Shared database reset src/test/java/com/bcsdlab/bcsdinternalapiv2/IntegrationTestSupport.java	IntegrationTestSupport preserves Flyway history and seeded tables, then truncates other public tables with CASCADE before each test.
Integration test adoption src/test/java/.../BcsdInternalApiV2ApplicationTests.java, src/test/java/.../auth/*IntegrationTest.java, src/test/java/.../member/*IntegrationTest.java, src/test/java/.../reservation/ReservationIntegrationTestSupport.java	Integration test classes extend IntegrationTestSupport and remove their duplicated local Spring, PostgreSQL Testcontainers, JWT, and MockMvc setup.
Pull-request test workflow .github/workflows/ci.yml	The workflow runs tests for pull requests targeting main or develop, cancels earlier runs for the same pull request, and uploads test reports on failure.

Priority: ➖ Normal

Estimated code review effort: 3 (Moderate) | ~20 minutes

Change: Other

Suggested reviewers: kongwoojin

Merge Risk: ⚪ Minimal · up to 2fe4b

No actionable issue remains from this review; the PR is mergeable after normal checks.

Pre-merge checks: 4 · 1

Failed checks: 1 warning

Check name	Status	Explanation	Resolution
Docstring Coverage		Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 2 functions across 10 files. (1 skipped: 1…	Write docstrings for the functions missing them to satisfy the coverage threshold.

Passed checks: 4 passed

Check name	Status	Explanation
Description Check		Check skipped - CodeRabbit’s high-level summary is enabled.
Title check		The title clearly summarizes both main changes: standardizing integration tests on a shared container and adding pull request test CI.
Linked Issues check		Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check		Check skipped because no linked issues were found for this pull request.

Full details: Docstring Coverage

Explanation

Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 2 functions across 10 files. (1 skipped: 1 unsupported.)

✨ Finishing Touches: 💡 1

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