yw1573
4ae33cbe53
- 每个文件补充模块级 docstring、类/函数 docstring、关键逻辑行内注释 - 注释风格："中文说明" 或 # 中文说明 - 代码结构和逻辑完全不变
169 lines
6.8 KiB
Python
169 lines
6.8 KiB
Python
"""测试 G-code 准备阶段缓存行为，确保重复副本不会重复执行预处理。
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验证内容：
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- 同一 G-code 成员多次复制时，补丁只应用一次
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- 同一 G-code 成员多次复制时，M73 偏移模板只计算一次
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"""
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from __future__ import annotations
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import hashlib
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import tempfile
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import unittest
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import zipfile
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from pathlib import Path
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from unittest.mock import patch
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import a1_swap_mod_packer.builder as builder
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from a1_swap_mod_packer.models import BuildOptions, GcodePatchConfig, GcodePatchRule, PlateJob
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class GcodePrepareCacheTest(unittest.TestCase):
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"""测试 G-code 准备阶段的缓存：补丁和 M73 模板应每成员仅执行一次。"""
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def test_repeated_copies_prepare_gcode_once_per_member(self) -> None:
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"""验证同一 G-code 成员多次复制时，补丁仅在首次准备时应用一次。"""
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with tempfile.TemporaryDirectory() as directory:
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root = Path(directory)
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source_3mf = root / "source.3mf"
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output_3mf = root / "out.3mf"
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swap_gcode = root / "swap.gcode"
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self.write_archive(source_3mf) # 创建测试用 3MF 归档
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swap_gcode.write_text("; swap\nG1 X5\n", encoding="utf-8")
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# 配置一条简单的替换规则
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patch_config = GcodePatchConfig(
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rules=(
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GcodePatchRule(
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name="test",
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find="G0 Y254 F3000",
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replace="G0 Y250 F3000 ;Patched",
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),
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)
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)
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patch_calls = 0 # 记录补丁被调用次数
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captured_gcode = "" # 捕获最终 G-code 内容
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def count_patch_calls(text: str, config: GcodePatchConfig) -> str:
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"""模拟补丁应用并累计调用次数。"""
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nonlocal patch_calls
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patch_calls += 1
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return text.replace("G0 Y254 F3000", "G0 Y250 F3000 ;Patched", 1)
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def capture_gcode(
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base_3mf: Path,
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output_3mf: Path,
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gcode_bytes: bytes,
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sources: list[builder.PlateSource],
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options: BuildOptions,
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) -> str:
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"""截获最终写入的 G-code 字节以便断言。"""
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nonlocal captured_gcode
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captured_gcode = gcode_bytes.decode("utf-8")
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return hashlib.md5(gcode_bytes).hexdigest()
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options = BuildOptions(
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swap_gcode=swap_gcode,
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output_3mf=output_3mf,
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apply_gcode_patches=True,
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show_plate_number=False,
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swap_after_final=False,
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line_ending="lf",
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add_preview_label=False,
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)
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# 构建 3 份副本，验证补丁仅调用 1 次但 3 份均被替换
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with patch.object(builder, "parse_patch_config", return_value=patch_config), patch.object(
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builder,
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"apply_gcode_patches",
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side_effect=count_patch_calls,
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), patch.object(builder, "write_output_3mf", side_effect=capture_gcode):
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result = builder.build_packed_3mf([PlateJob(source_3mf, 3)], options)
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self.assertEqual(result.plate_count, 3) # 3 份副本
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self.assertEqual(patch_calls, 1) # 补丁仅调用 1 次（缓存生效）
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self.assertEqual(captured_gcode.count("G0 Y250 F3000 ;Patched"), 3) # 但 3 份都已替换
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self.assertNotIn("G0 Y254 F3000", captured_gcode) # 原始行已不存在
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def test_repeated_copies_prepare_m73_template_once_per_member(self) -> None:
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"""验证同一 G-code 成员多次复制时，M73 偏移模板仅计算一次。"""
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with tempfile.TemporaryDirectory() as directory:
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root = Path(directory)
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source_3mf = root / "source.3mf"
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output_3mf = root / "out.3mf"
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swap_gcode = root / "swap.gcode"
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self.write_archive(source_3mf)
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swap_gcode.write_text("; swap\nG1 X5\n", encoding="utf-8")
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m73_template_calls = 0 # 记录模板准备调用次数
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captured_gcode = ""
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original_prepare_m73 = builder.prepare_m73_offset_template # 保存原始函数引用
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def count_m73_template_calls(text: str):
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"""模拟 M73 模板准备并累计调用次数。"""
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nonlocal m73_template_calls
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m73_template_calls += 1
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return original_prepare_m73(text)
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def capture_gcode(
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base_3mf: Path,
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output_3mf: Path,
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gcode_bytes: bytes,
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sources: list[builder.PlateSource],
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options: BuildOptions,
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) -> str:
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"""截获最终写入的 G-code 字节以便断言。"""
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nonlocal captured_gcode
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captured_gcode = gcode_bytes.decode("utf-8")
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return hashlib.md5(gcode_bytes).hexdigest()
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options = BuildOptions(
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swap_gcode=swap_gcode,
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output_3mf=output_3mf,
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apply_gcode_patches=False,
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show_plate_number=True, # 启用板号显示，触发 M73 偏移
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swap_after_final=False,
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line_ending="lf",
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add_preview_label=False,
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)
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# 构建 3 份副本，验证模板仅准备 1 次，但每份各自偏移
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with (
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patch.object(builder, "prepare_m73_offset_template", side_effect=count_m73_template_calls),
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patch.object(
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builder,
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"write_output_3mf",
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side_effect=capture_gcode,
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),
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):
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result = builder.build_packed_3mf([PlateJob(source_3mf, 3)], options)
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self.assertEqual(result.plate_count, 3)
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self.assertEqual(m73_template_calls, 1) # 模板仅准备 1 次
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# 3 份副本的 M73 剩余时间已分别偏移
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self.assertIn("M73 P0 R6010", captured_gcode)
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self.assertIn("M73 P0 R12010", captured_gcode)
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self.assertIn("M73 P0 R18010", captured_gcode)
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@staticmethod
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def write_archive(path: Path) -> None:
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"""创建包含带 M73 指令和待替换行的 plate_1 G-code 的 3MF 测试归档。"""
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slice_info = """<?xml version="1.0" encoding="UTF-8"?>
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<config>
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<plate>
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<metadata key="index" value="1"/>
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</plate>
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</config>
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"""
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gcode = """G0 X128 F30000
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G0 Y254 F3000
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M73 P0 R10
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;=====printer finish sound=========
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"""
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with zipfile.ZipFile(path, "w") as archive:
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archive.writestr("Metadata/slice_info.config", slice_info)
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archive.writestr("Metadata/plate_1.gcode", gcode)
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if __name__ == "__main__":
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unittest.main()
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