优化代码，增加更新测试用例功能

tests/test_mil_case_excel.py

@@ -4,14 +4,14 @@ from openpyxl import Workbook
 
 from src.core.mil_read_case_excel import (
     read_excel_case,
-    __get_template_version,
-    __analysis_action,
+    _get_template_version,
+    _analysis_action,
 )
 from src.core.mil_create_data_excel import (
     create_excel_case,
-    __init_data_log,
-    __analysis_case,
-    __analysis_step,
+    _init_data_log,
+    _analysis_case,
+    _analysis_step,
 )
 from src.core.exceptions import ExcelReadError, ExcelFormatError, CaseDataError
 from src.core.base import DataLog
@@ -69,7 +69,7 @@ def test_get_template_version():
     sheet.cell(2, 1, "v1.0.0")
     sheet.cell(3, 1, None)
 
-    version = __get_template_version(sheet)
+    version = _get_template_version(sheet)
     assert version == "v1.0.0"
 
 
@@ -78,7 +78,7 @@ def test_get_template_version_empty():
     wb = Workbook()
     sheet = wb.active
 
-    version = __get_template_version(sheet)
+    version = _get_template_version(sheet)
     assert version is None
 
 
@@ -88,7 +88,7 @@ def test_analysis_action_valid(sample_data_dict):
     sheet = wb.create_sheet("TestSheet")
     sheet.cell(1, 1, "Test")
 
-    action = __analysis_action(sheet, 1, 3, "signal1=newvalue", sample_data_dict, "test.xlsx")
+    action = _analysis_action(sheet, 1, 3, "signal1=newvalue", sample_data_dict, "test.xlsx")
     assert "signal1" in action
     assert action["signal1"] == "newvalue"
 
@@ -99,7 +99,7 @@ def test_analysis_action_multiple(sample_data_dict):
     sheet = wb.create_sheet("TestSheet")
     sheet.cell(1, 1, "Test")
 
-    action = __analysis_action(sheet, 1, 3, "signal1=v1; signal2=v2", sample_data_dict, "test.xlsx")
+    action = _analysis_action(sheet, 1, 3, "signal1=v1; signal2=v2", sample_data_dict, "test.xlsx")
     assert "signal1" in action
     assert "signal2" in action
     assert action["signal1"] == "v1"
@@ -113,7 +113,7 @@ def test_analysis_action_invalid_signal(sample_data_dict):
     sheet.cell(1, 1, "Test")
 
     with pytest.raises(CaseDataError, match="信号 .* 不存在"):
-        __analysis_action(sheet, 1, 3, "invalid_signal=value", sample_data_dict, "test.xlsx")
+        _analysis_action(sheet, 1, 3, "invalid_signal=value", sample_data_dict, "test.xlsx")
 
 
 def test_init_data_log(sample_data_dict):
@@ -122,7 +122,7 @@ def test_init_data_log(sample_data_dict):
     for name in data_copy:
         data_copy[name]["datalog"] = data_copy[name]["datalog"].copy()
 
-    __init_data_log(data_copy)
+    _init_data_log(data_copy)
 
     for name in data_copy:
         assert len(data_copy[name]["datalog"]) == 1
@@ -143,7 +143,7 @@ def test_analysis_step_with_action(sample_data_dict):
     for name in data_copy:
         data_copy[name]["datalog"] = data_copy[name]["datalog"].copy()
 
-    __analysis_step(step_dict, data_copy)
+    _analysis_step(step_dict, data_copy)
 
     assert len(data_copy["signal1"]["datalog"]) == 3
     assert data_copy["signal1"]["datalog"][-1].time == 1.5
@@ -164,14 +164,14 @@ def test_analysis_step_without_action(sample_data_dict):
         data_copy[name]["datalog"] = data_copy[name]["datalog"].copy()
 
     initial_length = len(data_copy["signal1"]["datalog"])
-    __analysis_step(step_dict, data_copy)
+    _analysis_step(step_dict, data_copy)
 
     assert len(data_copy["signal1"]["datalog"]) == initial_length + 1
 
 
 def test_analysis_case(sample_data_dict, sample_sheets_dict):
     """验证用例分析"""
-    result = __analysis_case(sample_data_dict, sample_sheets_dict)
+    result = _analysis_case(sample_data_dict, sample_sheets_dict)
 
     assert "TestCase1" in result
     assert "TestCase2" not in result
@@ -188,7 +188,7 @@ def test_analysis_case_skips_enabled_cases(sample_data_dict):
         }
     }
 
-    result = __analysis_case(sample_data_dict, sheets_dict)
+    result = _analysis_case(sample_data_dict, sheets_dict)
     assert "EnabledCase" not in result