Initial certificate system

backend/tests/test_import_rules.py

@@ -0,0 +1,34 @@
+from datetime import date
+
+from app.api.routes.admin_imports import (
+    COL_CERT_NAME,
+    COL_ISSUE_DATE,
+    COL_NAME,
+    COL_PHONE,
+    COL_PROJECT,
+    COL_ISSUER,
+    date_is_valid,
+    parse_issue_date,
+    row_errors,
+)
+
+
+def test_parse_issue_date_accepts_common_formats():
+    assert parse_issue_date("2026-06-01") == date(2026, 6, 1)
+    assert parse_issue_date("2026/06/01") == date(2026, 6, 1)
+
+
+def test_row_errors_require_project_code_to_exist():
+    row = {
+        COL_NAME: "张三",
+        COL_PHONE: "13800000000",
+        COL_PROJECT: "BAD",
+        COL_CERT_NAME: "结业证书",
+        COL_ISSUE_DATE: "2026-06-01",
+        COL_ISSUER: "测试公司",
+    }
+    assert "Project code is inactive or missing" in row_errors(row, {"DBY"})
+
+
+def test_date_is_valid_rejects_bad_text():
+    assert not date_is_valid("not-a-date")