fix: pybot 审计修复——插件异常类型、I2C 引用校验、卡尔曼除零守卫、CLI 端到端测试

pybot/tests/test_cli.py

@@ -0,0 +1,49 @@
+"""CLI 端到端测试：--dry-run / --test roundtrip / stdin 输入"""
+
+import io
+import sys
+
+from tests.conftest import SCRIPTS_DIR
+
+from pybot.main import main
+
+
+def test_stdin_input(monkeypatch):
+    """stdin 输入（模拟 cat script | pybot）"""
+    src = (SCRIPTS_DIR / "std.mt").read_text(encoding="utf-8")
+    monkeypatch.setattr(sys, "stdin", io.StringIO(src))
+    monkeypatch.setattr(sys, "argv", ["pybot", "--dry-run"])
+    # 验证不抛异常且返回 0
+    assert main(["--dry-run"]) == 0
+
+
+def test_cli_help():
+    """--help 返回 0"""
+    try:
+        main(["--help"])
+    except SystemExit as e:
+        assert e.code == 0
+
+
+def test_test_roundtrip(tmp_path):
+    """--test roundtrip in.mt out.mt 往返"""
+    src = (SCRIPTS_DIR / "std.mt").read_text(encoding="utf-8")
+    infile = tmp_path / "in.mt"
+    infile.write_text(src, encoding="utf-8")
+    outfile = tmp_path / "out.mt"
+    assert main(["--test", "roundtrip", str(infile), str(outfile)]) == 0
+    # 输出可被再次解析
+    from pybot.parser import MatrixParser
+    parser = MatrixParser(outfile.read_text(encoding="utf-8"))
+    blocks = []
+    while True:
+        obj = parser.parse()
+        if obj is None:
+            break
+        blocks.append(obj)
+    assert len(blocks) == 7      # std.mt 含 7 个 @块
+
+
+def test_test_unknown_mode():
+    """未知 --test 模式返回 2"""
+    assert main(["--test", "unknown", "/dev/null", "/dev/null"]) == 2