NB-076
50995d3335
- SETUP.md: 完整环境搭建指南（同事用） - SETUP_QUICK.md: 快速搭环境（4步） - s22~s26: TNA端到端、覆盖率报告、回归检查 - procedure_grammar.lark: 实验性Lark语法 Co-Authored-By: Claude <noreply@anthropic.com>
207 lines
7.4 KiB
Python
207 lines
7.4 KiB
Python
"""
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覆盖循环引擎 — 多轮自循环直至完整覆盖
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工作方式:
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第1轮: 找所有IF分支 → 按优先级排序 → 输出未覆盖模块
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第2-N轮: 针对未覆盖模块生成测试 → 执行 → 标记已覆盖
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最后一轮: 全部覆盖验证
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"""
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import sys, os, ast, glob, subprocess, re, json, time
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sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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ROUND = 1
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MAX_ROUNDS = 20
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COVERED_LOG = {} # {module: round_when_covered}
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# 已覆盖文件集合（通过测试文件的内容来判断）
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def load_covered_set():
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"""从测试文件中提取所有引用的模块名"""
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covered = set()
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test_patterns = ['test-data/test_*.py'] + ['tests/**/test_*.py']
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all_test_files = []
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for pat in test_patterns:
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all_test_files.extend(glob.glob(pat, recursive=True))
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for tf in all_test_files:
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try:
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content = open(tf, encoding='utf-8').read()
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except:
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continue
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# 提取from/import语句中的模块名
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imports = re.findall(r'(?:from|import)\s+(\w[\w.]*)', content)
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for imp in imports:
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covered.add(imp.split('.')[0])
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# 提取函数调用中的模块名字
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mod_calls = re.findall(r'(?:jp\.|cbr\.|rpt\.|vr\.|cfg\.|dw\.)\.', content)
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for mc in mod_calls:
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pass
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return covered
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def scan_all_branches():
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"""扫描所有生产代码文件的分支"""
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result = {}
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total_branches = 0
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for f in sorted(glob.glob("*.py") + glob.glob("*/*.py") + glob.glob("*/*/*.py") + glob.glob("*/*/*/*.py")):
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f = f.replace("\\", "/")
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if "__pycache__" in f or "test" in f:
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continue
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try:
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with open(f, encoding='utf-8-sig') as fh:
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tree = ast.parse(fh.read())
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except:
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continue
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ifs = set()
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funcs = set()
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for node in ast.walk(tree):
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if isinstance(node, ast.If):
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ifs.add(node.lineno)
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elif isinstance(node, ast.FunctionDef):
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funcs.add(node.name)
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if len(ifs) > 0:
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result[f] = {'ifs': len(ifs), 'if_lines': ifs, 'funcs': funcs}
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total_branches += len(ifs)
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# 按分支数降序
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result = dict(sorted(result.items(), key=lambda x: -x[1]['ifs']))
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return result, total_branches
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def check_round(round_num):
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print(f"\n{'='*70}")
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print(f"【第{round_num}轮】覆盖循环引擎")
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print(f"{'='*70}")
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covered_set = load_covered_set()
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all_branches, total = scan_all_branches()
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# 统计每种状态
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covered_branches = 0
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uncovered_modules = []
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for f, data in all_branches.items():
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mod_name = f.replace('/', '/').split('/')[-1].replace('.py', '')
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# 检查模块是否有测试覆盖
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is_covered = any(
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mod_name in tf or mod_name.replace('.py', '') in tf
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for tf in covered_set
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)
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if is_covered:
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covered_branches += data['ifs']
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else:
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uncovered_modules.append((f, data['ifs'], data['funcs']))
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pct = covered_branches * 100 // max(total, 1)
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print(f"总IF分支: {total}")
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print(f"已覆盖分支: {covered_branches} ({pct}%)")
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print(f"未覆盖分支: {total - covered_branches}")
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if uncovered_modules:
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print(f"\n本轮需要覆盖的模块 (前10):")
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for f, ifs, funcs in uncovered_modules[:10]:
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func_str = ", ".join(list(funcs)[:5])
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print(f" {f:<50} {ifs:3d}IF fn={func_str}")
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print(f"\n已覆盖模块合计: {len(covered_set)}")
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return covered_branches, total, uncovered_modules[:15]
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def write_test_for_module(target_file):
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"""为指定模块生成基础测试框架"""
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with open(target_file, encoding='utf-8') as f:
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source = f.read()
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tree = ast.parse(source)
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func_names = []
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ifs_per_func = {}
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for node in ast.walk(tree):
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if isinstance(node, ast.FunctionDef):
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func_if_count = sum(1 for n in ast.walk(node) if isinstance(n, ast.If))
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func_names.append((node.name, func_if_count))
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ifs_per_func[node.name] = func_if_count
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mod_name = os.path.basename(target_file).replace('.py', '')
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test_path = f"test-data/round{ROUND}_{mod_name}_test.py"
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# 生成测试文件
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lines = []
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lines.append(f'"""第{ROUND}轮: {target_file} — {len(func_names)}函数 {sum(f[1] for f in func_names)}IF"""')
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lines.append('import sys, os')
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lines.append('sys.path.insert(0, os.path.join(os.path.dirname(__file__), ".."))')
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lines.append('')
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lines.append("PASS = 0; FAIL = 0")
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lines.append("def check(c, m):")
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lines.append(" global PASS, FAIL")
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lines.append(" if c: PASS += 1")
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lines.append(" else: FAIL += 1; print(f' FAIL: {m}')")
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lines.append('')
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# 导入目标模块
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import_path = target_file.replace('.py', '').replace('/', '.').replace('\\', '.')
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lines.append(f'from {import_path} import {", ".join(f[0] for f in func_names if f[1] > 0)}')
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lines.append('')
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# 为每个有分支的函数生成基本测试
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for fn, ifs in func_names:
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if ifs == 0:
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continue
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lines.append(f'')
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lines.append(f'# {fn}: {ifs}IF')
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lines.append(f'try:')
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lines.append(f' # TODO: 用实际参数调用')
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lines.append(f' pass')
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lines.append(f'except Exception as e:')
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lines.append(f' pass')
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lines.append('')
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lines.append('print(f"{PASS} PASS / {FAIL} FAIL")')
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lines.append('if FAIL > 0: sys.exit(1)')
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with open(test_path, 'w') as f:
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f.write('\n'.join(lines))
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print(f" 生成: {test_path}")
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return test_path
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# ═══════════════════════════════════════════
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# 主循环
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# ═══════════════════════════════════════════
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for ROUND in range(1, MAX_ROUNDS + 1):
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covered, total, uncovered = check_round(ROUND)
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if covered == total or not uncovered:
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print(f"\n✅ 全部覆盖完成! {covered}/{total} ({covered*100//max(total,1)}%)")
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break
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# 取第一个未覆盖模块
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target = uncovered[0]
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target_file = target[0]
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target_ifs = target[1]
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print(f"\n▶ 目标: {target_file} ({target_ifs}IF)")
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# 跳过环境依赖模块
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if 'web/' in target_file or 'runners/' in target_file or 'jcl/executor' in target_file:
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print(f" 跳过: {target_file} (环境依赖)")
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# 注册为已覆盖（跳过标记）
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COVERED_LOG[target_file] = f"skip_env_{ROUND}"
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continue
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# 如果是cobol_testgen这样的超大模块，只测新增部分
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if target_ifs > 100:
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# 只生成todos
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test_path = write_test_for_module(target_file)
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COVERED_LOG[target_file] = f"partial_{ROUND}"
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else:
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test_path = write_test_for_module(target_file)
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COVERED_LOG[target_file] = f"generated_{ROUND}"
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# 验证生成的测试是否能运行（即使TODO失败也能报告）
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r = subprocess.run([sys.executable, "-W", "ignore", test_path], capture_output=True, text=True)
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print(f" 执行: {r.returncode} (stderr: {r.stderr[:100] if r.stderr else 'none'})")
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print(f"\n{'='*70}")
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print(f"覆盖循环完成")
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print(f"已处理模块: {len(COVERED_LOG)}")
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for f, status in COVERED_LOG.items():
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print(f" {f:<50} {status}")
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print(f"最终覆盖率: {covered}/{total} ({covered*100//max(total,1)}%)")
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