add search function

tests/test_app.py

@@ -562,3 +562,148 @@ def test_broken_image_processing_returns_400_and_keeps_image_fields_empty(client
     assert updated_box.image_mime_type is None
     assert updated_box.image_width is None
     assert updated_box.image_height is None
+
+
+def test_can_search_box_by_name(client, db_session):
+    box = Box(name="冬季衣物箱")
+    db_session.add(box)
+    db_session.commit()
+
+    response = client.get("/search?q=衣物")
+
+    assert response.status_code == 200
+    assert "冬季衣物箱" in response.text
+    assert "类型：Box" in response.text
+
+
+def test_can_search_box_by_note(client, db_session):
+    box = Box(name="普通箱子", note="里面放厨房锅具")
+    db_session.add(box)
+    db_session.commit()
+
+    response = client.get("/search?q=锅具")
+
+    assert response.status_code == 200
+    assert "普通箱子" in response.text
+
+
+def test_can_search_item_by_name(client, db_session):
+    box = Box(name="书房箱")
+    item = Item(name="电源延长线", box=box, is_container=False)
+    db_session.add_all([box, item])
+    db_session.commit()
+
+    response = client.get("/search?q=延长线")
+
+    assert response.status_code == 200
+    assert "电源延长线" in response.text
+    assert "位于箱子：书房箱" in response.text
+
+
+def test_can_search_item_by_note(client, db_session):
+    box = Box(name="工具箱")
+    item = Item(name="杂项", note="放备用螺丝刀", box=box, is_container=False)
+    db_session.add_all([box, item])
+    db_session.commit()
+
+    response = client.get("/search?q=螺丝刀")
+
+    assert response.status_code == 200
+    assert "杂项" in response.text
+
+
+def test_can_search_subitem_by_name(client, db_session):
+    box = Box(name="文件箱")
+    item = Item(name="文件袋", box=box, is_container=True)
+    subitem = SubItem(name="护照复印件", parent_item=item)
+    db_session.add_all([box, item, subitem])
+    db_session.commit()
+
+    response = client.get("/search?q=护照")
+
+    assert response.status_code == 200
+    assert "护照复印件" in response.text
+    assert "位于物品：文件袋 / 箱子：文件箱" in response.text
+
+
+def test_can_search_subitem_by_note(client, db_session):
+    box = Box(name="电子箱")
+    item = Item(name="配件盒", box=box, is_container=True)
+    subitem = SubItem(name="接口", note="备用转接头", parent_item=item)
+    db_session.add_all([box, item, subitem])
+    db_session.commit()
+
+    response = client.get("/search?q=转接头")
+
+    assert response.status_code == 200
+    assert "接口" in response.text
+
+
+def test_search_result_shows_item_box_info(client, db_session):
+    box = Box(name="客厅箱")
+    item = Item(name="相机", box=box, is_container=True)
+    db_session.add_all([box, item])
+    db_session.commit()
+
+    response = client.get("/search?q=相机")
+
+    assert response.status_code == 200
+    assert "位于箱子：客厅箱" in response.text
+    assert "容器" in response.text
+    assert "是" in response.text
+
+
+def test_search_result_shows_subitem_item_and_box_info(client, db_session):
+    box = Box(name="卧室箱")
+    item = Item(name="收纳袋", box=box, is_container=True)
+    subitem = SubItem(name="袜子", parent_item=item)
+    db_session.add_all([box, item, subitem])
+    db_session.commit()
+
+    response = client.get("/search?q=袜子")
+
+    assert response.status_code == 200
+    assert "位于物品：收纳袋 / 箱子：卧室箱" in response.text
+
+
+def test_search_page_handles_empty_query(client):
+    response = client.get("/search")
+
+    assert response.status_code == 200
+    assert "输入关键词后，可以跨 Box、Item、SubItem 进行搜索。" in response.text
+
+
+def test_search_page_handles_no_results(client):
+    response = client.get("/search?q=不存在的关键词")
+
+    assert response.status_code == 200
+    assert "没有找到匹配结果。" in response.text
+
+
+def test_search_result_renders_thumbnail_link_when_image_exists(client, db_session):
+    box = Box(name="图片箱")
+    db_session.add(box)
+    db_session.commit()
+
+    client.post(
+        f"/boxes/{box.id}/update",
+        data={"name": box.name, "note": "", "room": "", "status": ""},
+        files={"image_file": make_image_upload()},
+        follow_redirects=False,
+    )
+
+    response = client.get("/search?q=图片箱")
+
+    assert response.status_code == 200
+    assert f'/boxes/{box.id}/image' in response.text
+
+
+def test_search_result_without_image_does_not_break_template(client, db_session):
+    item = Item(name="无图物品", box=Box(name="普通箱"), is_container=False)
+    db_session.add(item)
+    db_session.commit()
+
+    response = client.get("/search?q=无图物品")
+
+    assert response.status_code == 200
+    assert "无图物品" in response.text