feat: add employee management, backend health check, and UI improvements

server/tests/test_employee_service.py

@@ -0,0 +1,62 @@
+from __future__ import annotations
+
+from sqlalchemy import create_engine, func, select
+from sqlalchemy.orm import Session, sessionmaker
+from sqlalchemy.pool import StaticPool
+
+from app.db.base import Base
+from app.models.employee import Employee
+from app.models.employee_change_log import EmployeeChangeLog
+from app.models.organization import OrganizationUnit
+from app.models.role import Role
+from app.services.employee import EmployeeService
+
+
+def build_session() -> Session:
+    engine = create_engine(
+        "sqlite+pysqlite:///:memory:",
+        connect_args={"check_same_thread": False},
+        poolclass=StaticPool,
+    )
+    Base.metadata.create_all(bind=engine)
+    session_factory = sessionmaker(bind=engine, autoflush=False, autocommit=False)
+    return session_factory()
+
+
+def test_employee_directory_seeds_rich_employee_data() -> None:
+    with build_session() as db:
+        service = EmployeeService(db)
+
+        employees = service.list_employees()
+        meta = service.get_employee_meta()
+
+        assert len(employees) == 30
+        assert meta.totalEmployees == 30
+        assert any(item.status == "试用中" for item in employees)
+        assert any(item.status == "停用" for item in employees)
+        assert any("审批负责人" in item.roles for item in employees)
+        assert any(item.permissions for item in employees)
+        assert any(item.history for item in employees)
+
+        role_count = db.scalar(select(func.count()).select_from(Role))
+        org_count = db.scalar(select(func.count()).select_from(OrganizationUnit))
+        employee_count = db.scalar(select(func.count()).select_from(Employee))
+        history_count = db.scalar(select(func.count()).select_from(EmployeeChangeLog))
+
+        assert role_count == 6
+        assert org_count == 10
+        assert employee_count == 30
+        assert history_count and history_count >= 30
+
+
+def test_employee_detail_contains_department_and_roles() -> None:
+    with build_session() as db:
+        service = EmployeeService(db)
+        employee = service.list_employees()[0]
+        detail = service.get_employee(employee.id)
+
+        assert detail is not None
+        assert detail.department
+        assert detail.manager
+        assert detail.organization is not None
+        assert detail.roles