修复证书导入日期解析与错误报告

backend/tests/test_import_rules.py

@@ -1,8 +1,13 @@
-from datetime import date
+import json
+from datetime import date, datetime
 
 import pytest
+from openpyxl import load_workbook
 from pydantic import ValidationError
+from sqlalchemy import create_engine
+from sqlalchemy.orm import Session
 
+from app.api.routes import admin_imports
 from app.api.routes.admin_imports import (
     COL_ISSUE_DATE,
     COL_COURSE_END_DATE,
@@ -15,15 +20,34 @@ from app.api.routes.admin_imports import (
     TEMPLATE_HEADERS,
     build_import_template_workbook,
     date_is_valid,
+    normalize_row_data,
     parse_issue_date,
     row_errors,
+    write_error_report,
 )
+from app.db.base import Base
+from app.models import ImportBatch, ImportBatchRow
 from app.schemas.certificate import CertificateCreate
 
 
 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)
+    assert parse_issue_date("2026-06-01 00:00:00") == date(2026, 6, 1)
+    assert parse_issue_date("2026-06-01T08:30:00") == date(2026, 6, 1)
+
+
+def test_normalize_row_data_removes_time_from_excel_dates():
+    row = normalize_row_data(
+        {
+            COL_NAME: "张三",
+            COL_COURSE_START_DATE: datetime(2026, 6, 1, 0, 0, 0),
+            COL_ISSUE_DATE: date(2026, 7, 5),
+        }
+    )
+
+    assert row[COL_COURSE_START_DATE] == "2026-06-01"
+    assert row[COL_ISSUE_DATE] == "2026-07-05"
 
 
 def test_row_errors_require_project_code_to_exist():
@@ -81,6 +105,49 @@ def test_import_template_contains_date_examples_and_validation():
     assert COL_STAGE_NAME in TEMPLATE_HEADERS
 
 
+def test_error_report_flushes_pending_rows_and_exports_reason(tmp_path, monkeypatch):
+    engine = create_engine("sqlite+pysqlite:///:memory:")
+    Base.metadata.create_all(engine)
+
+    def temporary_data_path(name: str):
+        folder = tmp_path / name
+        folder.mkdir(parents=True, exist_ok=True)
+        return folder
+
+    monkeypatch.setattr(admin_imports, "data_path", temporary_data_path)
+    with Session(engine) as db:
+        batch = ImportBatch(filename="bad.xlsx", file_path="/tmp/bad.xlsx", template_code="practice-camp")
+        db.add(batch)
+        db.flush()
+        db.add(
+            ImportBatchRow(
+                batch_id=batch.id,
+                row_no=2,
+                status="failed",
+                error_message="发证日期格式错误",
+                raw_json=json.dumps(
+                    {
+                        COL_NAME: "张三",
+                        COL_PHONE: "13800000000",
+                        COL_PROJECT: "DBY",
+                        COL_COURSE_START_DATE: "2026-06-01 00:00:00",
+                        COL_ISSUE_DATE: "错误日期",
+                    },
+                    ensure_ascii=False,
+                ),
+            )
+        )
+
+        report_path = write_error_report(db, batch.id)
+        rows = list(load_workbook(report_path, data_only=True).active.iter_rows(values_only=True))
+
+    assert rows[1][0] == 2
+    assert rows[1][1] == "发证日期格式错误"
+    assert rows[1][2] == "张三"
+    assert rows[1][5] == "2026-06-01"
+    assert rows[1][-1] == "错误日期"
+
+
 def test_certificate_create_rejects_reversed_course_period():
     with pytest.raises(ValidationError, match="课程结束日期不能早于课程开始日期"):
         CertificateCreate(