test(backend): add federation test (#14582)

* test(backend): add federation test

* fix(ci): install pnpm

* fix(ci): cd

* fix(ci): build entire project

* fix(ci): skip frontend build

* fix(ci): pull submodule when checkout

* chore: show log for debugging

* Revert "chore: show log for debugging"

This reverts commit a930964b8d6ba550c23bce1e7fb45d92eab49ef9.

* fix(ci): build entire project

* chore: omit unused globals

* refactor: use strictEqual and simplify some asserts

* test: follow requests

* refactor: add resolveRemoteNote function

* refactor: refine resolveRemoteUser function

* refactor: cache admin credentials

* refactor: simplify assertion with excluded fields

* refactor: use assert

* test: note

* chore: labeler detect federation

* test: blocking

* test: move

* fix: use appropriate TLD

* chore: shorter purge interval

* fix(ci): change TLD

* refactor: delete trivial comment

* test(user): isCat

* chore: use jest

* chore: omit logs

* chore: add memo

* fix(ci): omit unnecessary build

* test: pinning Note

* fix: build daemon in container

* style: indent

* test(streaming): timeline

* chore: rename

* fix: delete role after test

* refactor: resolve users by uri

* fix: delete antenna after test

* test: api timeline

* test: Note deletion

* refactor: sleep function

* test: notification

* style: indent

* refactor: type-safe host

* docs: update description

* refactor: resolve function params

* fix(block): wrong test name

* fix: invalid type

* fix: longer timeout for fire testing

* test(timeline): hashtag

* test(note): vote delivery

* fix: wrong description

* fix: hashtag channel param type

* refactor: wrap basic cases

* test(timeline): add homeTimeline tests

* fix(timeline): correct wrong case and description

* test(notification): add tests for Note

* refactor(user): wrap profile consistency with describe

* chore(note): add issue link

* test(timeline): add test

* test(user): suspension

* test: emoji

* refactor: fetch admin first

* perf: faster tests

* test(drive): sensitive flag

* test(emoji): add tests

* chore: ignore .config/docker.env

* chore: hard-coded tester IP address

* test(emoji): custom emoji are surrounded by zero width space

* refactor: client and username as property

* test(notification): mute

* fix(notification): correct description

* test(block): mention

* refactor(emoji): addCustomEmoji function

* fix: typo

* test(note): add reaction tests

* test(timeline): Note deletion

* fix: unnecessary ts-expect-error

* refactor: unnecessary fetch mocking

* chore: add TODO comments

* test(user): deletion

* chore: enable --frozen-lockfile

* fix(ci): copying configs

* docs: update CONTRIBUTING.md

* docs: fix typo

* chore: set default sleep duration

* fix(notification): omit flaky tests

* fix(notification): correct type

* test(notification): add api endpoint tests

* chore: remove redundant mute test

* refactor: use param client

* fix: start timer after trigger

* refactor: remove unnecessary any

* chore: shorter timeout for checking if fired

* fix(block): remove outdated comment

* refactor: shorten remote user variable name

* refactor(block): use existing function

* refactor: file upload

* docs: update description

* test(user): ffVisibility

* fix: `/api/signin` -> `/api/signin-flow`

* test: abuse report

* refactor: use existing type

* refactor: extract duplicate configs to template file

* fix: typo

* fix: avoid conflict

* refactor: change container dependency

* perf: start misskey parallelly

* fix: remove dependency

* chore(backend): add typecheck

* test: add check for #14728

* chore: enable eslint check

* perf: don't start linked services when test

* test(note): remote note deletion for moderation

* chore: define config template

* chore: write setup script

* refactor: omit unnecessary conditional

* refactor: clarify scope

* refactor: omit type assertion

* refactor: omit logs

* style

* refactor: redundant promise

* refactor: unnecessary imports

* refactor: use readable error code

* refactor: cache set in signin function

* refactor: optimize import

2 files changed, 60 insertions, 1 deletions

diff --git a/.github/labeler.yml b/.github/labeler.yml
index a77f73706b..b64d726d65 100644
--- a/.github/labeler.yml
+++ b/.github/labeler.yml
@@ -6,7 +6,7 @@
 'packages/backend:test':
 - any:
   - changed-files:
-    - any-glob-to-any-file: ['packages/backend/test/**/*']
+    - any-glob-to-any-file: ['packages/backend/test/**/*', 'packages/backend/test-federation/**/*']
 
 'packages/frontend':
 - any:
diff --git a/.github/workflows/test-federation.yml b/.github/workflows/test-federation.yml
new file mode 100644
index 0000000000..183ddb6f34
--- /dev/null
+++ b/.github/workflows/test-federation.yml
@@ -0,0 +1,59 @@
+name: Test (federation)
+
+on:
+  push:
+    branches:
+      - master
+      - develop
+    paths:
+      - packages/backend/**
+      - packages/misskey-js/**
+      - .github/workflows/test-federation.yml
+  pull_request:
+    paths:
+      - packages/backend/**
+      - packages/misskey-js/**
+      - .github/workflows/test-federation.yml
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [20.16.0]
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: true
+      - name: Install pnpm
+        uses: pnpm/action-setup@v4
+      - name: Install FFmpeg
+        uses: FedericoCarboni/setup-ffmpeg@v3
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v4.0.3
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: 'pnpm'
+      - name: Build Misskey
+        run: |
+          corepack enable && corepack prepare
+          pnpm i --frozen-lockfile
+          pnpm build
+      - name: Setup
+        run: |
+          cd packages/backend/test-federation
+          bash ./setup.sh
+          sudo chmod 644 ./certificates/*.test.key
+      - name: Start servers
+        # https://github.com/docker/compose/issues/1294#issuecomment-374847206
+        run: |
+          cd packages/backend/test-federation
+          docker compose up -d --scale tester=0
+      - name: Test
+        run: |
+          cd packages/backend/test-federation
+          docker compose run --no-deps tester
+      - name: Stop servers
+        run: |
+          cd packages/backend/test-federation
+          docker compose down