[router] Rust e2e test (#2184)

.github/workflows/pr-test-rust.yml

@@ -40,8 +40,31 @@ jobs:
           cd rust/
           cargo test
 
+  e2e-rust:
+    if: github.repository == 'sgl-project/sglang' || github.event_name == 'pull_request'
+    runs-on: 1-gpu-runner
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Install rust dependencies
+        run: |
+          bash scripts/ci_install_rust.sh
+
+      - name: Build python binding
+        run: |
+          source "$HOME/.cargo/env"
+          cd rust
+          pip install setuptools-rust wheel build
+          python3 -m build
+          pip install dist/*.whl
+      - name: Run e2e test
+        run: |
+          cd rust/py_test
+          python3 run_suite.py
+
   finish:
-    needs: [unit-test-rust]
+    needs: [unit-test-rust, e2e-rust]
     runs-on: ubuntu-latest
     steps:
       - name: Finish