cmbot/tests/test_excel_service.py

"""Tests for AI outfit Excel service.

Pure service tests: no GUI dependency.
"""
import shutil
import sys
import tempfile
import unittest
from pathlib import Path
from unittest.mock import patch

from openpyxl import Workbook, load_workbook

sys.path.insert(0, str(Path(__file__).parent.parent / "src"))


class TestOutfitExcelService(unittest.TestCase):
    def setUp(self):
        self.tmp = Path(tempfile.mkdtemp())
        self.excel_path = self.tmp / "outfit.xlsx"
        self._write_workbook()

    def tearDown(self):
        shutil.rmtree(str(self.tmp), ignore_errors=True)

    def _write_workbook(self):
        wb = Workbook()
        ws = wb.active
        ws.append(["标题", "货号", "衣服图", "结果图", "状态", "原因"])
        ws.append(["T恤", "TY001", r"D:\img\ty001.png", "", "", ""])
        ws.append(["已完成", "TY002", r"D:\img\ty002.png", r"D:\out\ty002.jpg", "完成", ""])
        ws.append(["失败行", "TY003", r"D:\img\ty003.png", "", "失败", "旧错误"])
        ws.append(["缺路径", "TY004", "", "", "", ""])
        ws.append(["  保留空格  ", 1005, r"D:\img\ty005.png", "", "", ""])
        wb.save(str(self.excel_path))
        wb.close()

    def _read_row(self, row):
        wb = load_workbook(str(self.excel_path))
        try:
            ws = wb.active
            return (
                ws.cell(row, 4).value,
                ws.cell(row, 5).value,
                ws.cell(row, 6).value,
            )
        finally:
            wb.close()

    def test_load_tasks_skips_done_failed_and_incomplete_by_default(self):
        from services.excel_service import load_outfit_tasks

        tasks = load_outfit_tasks(self.excel_path)

        self.assertEqual([task.row_index for task in tasks], [2, 6])
        self.assertEqual(tasks[0].title, "T恤")
        self.assertEqual(tasks[0].product_id, "TY001")
        self.assertEqual(tasks[0].garment_path, r"D:\img\ty001.png")

    def test_load_tasks_includes_failed_when_retry_enabled(self):
        from services.excel_service import load_outfit_tasks

        tasks = load_outfit_tasks(self.excel_path, retry_failed=True)

        self.assertEqual([task.row_index for task in tasks], [2, 4, 6])
        self.assertEqual(tasks[1].status, "失败")

    def test_load_tasks_preserves_user_cell_text(self):
        from services.excel_service import load_outfit_tasks

        tasks = load_outfit_tasks(self.excel_path)
        task = tasks[-1]

        self.assertEqual(task.title, "  保留空格  ")
        self.assertEqual(task.product_id, "1005")

    def test_write_success_result_updates_d_e_f_and_saves(self):
        from core.models import OutfitResult, OutfitTask
        from services.excel_service import write_outfit_result

        task = OutfitTask(row_index=2, title="T恤", product_id="TY001", garment_path="g.png")
        result = OutfitResult(task=task, success=True, output_path=r"D:\out\TY001.jpg")

        write_outfit_result(self.excel_path, result)

        self.assertEqual(self._read_row(2), (r"D:\out\TY001.jpg", "完成", None))

    def test_write_failure_result_updates_e_f_and_saves(self):
        from core.models import OutfitResult, OutfitTask
        from services.excel_service import write_outfit_result

        task = OutfitTask(row_index=2, title="T恤", product_id="TY001", garment_path="g.png")
        result = OutfitResult(task=task, success=False, error="衣服图打不开")

        write_outfit_result(self.excel_path, result)

        self.assertEqual(self._read_row(2), (None, "失败", "衣服图打不开"))

    def test_read_all_rows_includes_done_failed_skips_incomplete(self):
        from services.excel_service import read_all_rows

        rows = read_all_rows(self.excel_path)

        # rows 2(待处理) 3(完成) 4(失败) 6(待处理) — row 5 (空衣服图) skipped
        self.assertEqual([r.row_index for r in rows], [2, 3, 4, 6])
        by_idx = {r.row_index: r for r in rows}
        self.assertEqual(by_idx[3].status, "完成")
        self.assertEqual(by_idx[4].status, "失败")
        self.assertEqual(by_idx[6].title, "  保留空格  ")  # raw text preserved

    def test_empty_product_id_rows_are_included(self):
        """货号(B)可空：只要求 标题 + 衣服图路径（docs/11 §4）。"""
        from services.excel_service import load_outfit_tasks, read_all_rows

        p = self.tmp / "nopid.xlsx"
        wb = Workbook()
        ws = wb.active
        ws.append(["标题", "货号", "衣服图", "结果", "状态", "原因"])
        ws.append(["有标题无货号", "", r"D:\img\a.png", "", "", ""])   # 收录
        ws.append(["缺图也缺货号", "", "", "", "", ""])                # 缺图 → 仍跳过
        wb.save(str(p))
        wb.close()

        tasks = load_outfit_tasks(p)
        self.assertEqual([t.row_index for t in tasks], [2])
        self.assertEqual(tasks[0].product_id, "")
        self.assertEqual([r.row_index for r in read_all_rows(p)], [2])

    def test_read_all_rows_require_title_false_keeps_empty_title_rows(self):
        """§19.27: 标题生成的行来源——A 空、C 非空的行 require_title=False 收录，
        默认(True)跳过；C 空的行两种都跳过。"""
        from services.excel_service import read_all_rows

        p = self.tmp / "notitle.xlsx"
        wb = Workbook()
        ws = wb.active
        ws.append(["标题", "商品id", "原始图片路径", "结果", "状态", "原因"])
        ws.append([None, None, "D:\\out\\TY030\\", "", "", ""])   # A空、C有（印花表）
        ws.append([None, None, "D:\\out\\TY037\\", "", "", ""])   # A空、C有
        ws.append([None, None, "", "", "", ""])                   # C空 → 两种都跳过
        wb.save(str(p))
        wb.close()

        # 默认要求标题 → A 全空 → 跳过印花行（旧 catch-22 现象）
        self.assertEqual([r.row_index for r in read_all_rows(p)], [])
        # require_title=False → A 空也收录，只按 C 过滤
        rows = read_all_rows(p, require_title=False)
        self.assertEqual([r.row_index for r in rows], [2, 3])
        self.assertEqual(rows[0].title, "")            # A 留空（待生成）
        self.assertTrue(rows[0].garment_path.endswith("TY030" + "\\"))

    def test_write_title_result_updates_a_only_and_saves(self):
        """标题生成回填只改 A 列，不动 D/E/F（docs/11 §17）。"""
        from services.excel_service import write_title_result

        # Row 3 starts as 完成 with D/E filled; writing a title must not touch them.
        write_title_result(self.excel_path, 3, "AI 生成的电商标题")

        wb = load_workbook(str(self.excel_path))
        try:
            ws = wb.active
            self.assertEqual(ws.cell(3, 1).value, "AI 生成的电商标题")  # A 改写
            self.assertEqual(ws.cell(3, 4).value, r"D:\out\ty002.jpg")  # D 不动
            self.assertEqual(ws.cell(3, 5).value, "完成")               # E 不动
        finally:
            wb.close()

    def test_check_excel_writable_true_for_existing_workbook(self):
        from services.excel_service import check_excel_writable

        self.assertTrue(check_excel_writable(self.excel_path))

    def test_ensure_excel_writable_raises_when_probe_fails(self):
        from services.excel_service import ExcelInUseError, ensure_excel_writable

        with patch("builtins.open", side_effect=OSError("locked")):
            with self.assertRaises(ExcelInUseError):
                ensure_excel_writable(self.excel_path)

    # -- write_outfit_source_excel (docs/02 §6.12) ----------------------------

    def test_write_outfit_source_excel_header_and_rows(self):
        """One row per (print_name, subdir_path); header + A/B/C values correct."""
        import os
        from services.excel_service import write_outfit_source_excel

        p = self.tmp / "batch.xlsx"
        rows = [
            ("floral", r"D:\out\20260623\floral" + os.sep),
            ("stripe", r"D:\out\20260623\stripe" + os.sep),
        ]
        write_outfit_source_excel(p, rows)

        wb = load_workbook(str(p))
        ws = wb.active
        try:
            self.assertEqual(
                [ws.cell(1, c).value for c in range(1, 8)],
                ["标题", "商品id", "原始图片路径", "生成结果图片路径", "完成状态", "失败原因", "货憨憨上传状态"],
            )
            self.assertEqual(ws.max_row, 3)   # 1 header + 2 data
            self.assertEqual(ws.cell(2, 1).value, "floral")
            self.assertIsNone(ws.cell(2, 2).value)          # 货号留空
            self.assertIn("floral", ws.cell(2, 3).value)
            self.assertTrue(ws.cell(2, 3).value.endswith(os.sep))
            self.assertEqual(ws.cell(3, 1).value, "stripe")
            for col in (4, 5, 6):                           # D/E/F 留空
                self.assertIsNone(ws.cell(2, col).value)
        finally:
            wb.close()

    def test_write_outfit_source_excel_ai_outfit_can_read_it(self):
        """AI穿搭 read_all_rows picks up the generated Excel as a directory row."""
        import os
        from services.excel_service import read_all_rows, write_outfit_source_excel

        subdir = self.tmp / "floral"
        subdir.mkdir()
        p = self.tmp / "batch.xlsx"
        write_outfit_source_excel(p, [("floral", str(subdir) + os.sep)])

        rows = read_all_rows(p)
        self.assertEqual(len(rows), 1)
        self.assertEqual(rows[0].title, "floral")
        self.assertEqual(rows[0].product_id, "")
        self.assertTrue(rows[0].garment_path.endswith(os.sep))


if __name__ == "__main__":
    unittest.main()