wehub-resource-sync
73 lines
2.9 KiB
Python
73 lines
2.9 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, _sanitize_surrogates
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class TestSanitizeSurrogates:
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def test_paired_surrogates_reconstructed(self):
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"""Windows console produces \\ud83d\\udc08 for U+1F408 — must be restored."""
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result = _sanitize_surrogates("你为什么会用 🐈")
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assert result == "你为什么会用 🐈"
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def test_lone_surrogates_replaced(self):
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result = _sanitize_surrogates("hello \udce9 world")
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assert "\udce9" not in result
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assert "hello" in result
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assert "world" in result
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def test_normal_text_unchanged(self):
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assert _sanitize_surrogates("normal ascii text") == "normal ascii text"
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def test_emoji_already_correct(self):
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"""Properly encoded emoji should pass through unchanged."""
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assert _sanitize_surrogates("hello 🐈 nanobot") == "hello 🐈 nanobot"
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def test_mixed_unicode_preserved(self):
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assert _sanitize_surrogates("你好 hello こんにちは 🎉") == "你好 hello こんにちは 🎉"
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def test_multiple_lone_surrogates(self):
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result = _sanitize_surrogates("\udce9\udcf1\udcff")
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assert "\udce9" not in result
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assert "\udcf1" not in result
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assert "\udcff" not in result
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class TestSafeFileHistory:
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def test_surrogate_replaced(self, tmp_path):
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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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