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075bdd5c3c
- Promote _SafeFileHistory to module-level SafeFileHistory for testability - Add 5 regression tests: surrogates, normal text, emoji, mixed CJK, multi-surrogates Made-with: Cursor
45 lines
1.7 KiB
Python
45 lines
1.7 KiB
Python
"""Regression tests for SafeFileHistory (issue #2846).
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Surrogate characters in CLI input must not crash history file writes.
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"""
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from nanobot.cli.commands import SafeFileHistory
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class TestSafeFileHistory:
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def test_surrogate_replaced(self, tmp_path):
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"""Surrogate pairs are replaced with U+FFFD, not crash."""
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hist = SafeFileHistory(str(tmp_path / "history"))
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hist.store_string("hello \udce9 world")
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entries = list(hist.load_history_strings())
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assert len(entries) == 1
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assert "\udce9" not in entries[0]
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assert "hello" in entries[0]
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assert "world" in entries[0]
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def test_normal_text_unchanged(self, tmp_path):
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hist = SafeFileHistory(str(tmp_path / "history"))
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hist.store_string("normal ascii text")
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entries = list(hist.load_history_strings())
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assert entries[0] == "normal ascii text"
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def test_emoji_preserved(self, tmp_path):
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hist = SafeFileHistory(str(tmp_path / "history"))
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hist.store_string("hello 🐈 nanobot")
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entries = list(hist.load_history_strings())
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assert entries[0] == "hello 🐈 nanobot"
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def test_mixed_unicode_preserved(self, tmp_path):
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"""CJK + emoji + latin should all pass through cleanly."""
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hist = SafeFileHistory(str(tmp_path / "history"))
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hist.store_string("你好 hello こんにちは 🎉")
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entries = list(hist.load_history_strings())
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assert entries[0] == "你好 hello こんにちは 🎉"
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def test_multiple_surrogates(self, tmp_path):
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hist = SafeFileHistory(str(tmp_path / "history"))
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hist.store_string("\udce9\udcf1\udcff")
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entries = list(hist.load_history_strings())
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assert len(entries) == 1
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assert "\udce9" not in entries[0]
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