From 128e897acc26bd8a300453c02d4550c182268d73 Mon Sep 17 00:00:00 2001
From: alex_fleet <maxingzheng07@gmail.com>
Date: Thu, 6 Aug 2026 20:39:19 +0800
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此前 backend/test 从未接入 CI，PR/commit 无回归保障。
新增 test.yml，在 push/PR 时运行 pytest -m unit。
关联 #869
---
 .github/workflows/test.yml | 47 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 .github/workflows/test.yml

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 000000000..9eff67b99
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,47 @@
+# 后端单元测试 CI：此前后端 pytest 从未接入 CI，改动回归无人把关。
+# 本工作流在 push/PR 时运行 unit 层测试（不依赖 docker 服务）。
+name: Backend Unit Tests
+
+on:
+  pull_request:
+    paths:
+      - 'backend/**'
+      - 'backend/pyproject.toml'
+      - 'Makefile'
+  push:
+    branches:
+      - main
+    paths:
+      - 'backend/**'
+      - 'backend/pyproject.toml'
+
+permissions:
+  contents: read
+
+jobs:
+  unit-tests:
+    name: Backend unit tests
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: backend
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v4
+        with:
+          version: "0.7.2"
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+
+      - name: Install dependencies
+        run: uv sync --group test
+
+      - name: Run unit tests
+        run: uv run pytest -m unit -q