Import AITURK IDE 1.0.0-beta.1 from Hermes 63279301; preserve MIT license

tests/hermes_cli/test_non_ascii_credential.py

@@ -0,0 +1,92 @@
+"""Tests for non-ASCII credential detection and sanitization.
+
+Covers the fix for issue #6843 — API keys containing Unicode lookalike
+characters (e.g. ʋ U+028B instead of v) cause UnicodeEncodeError when
+httpx tries to encode the Authorization header as ASCII.
+"""
+
+import os
+
+
+from hermes_cli.config import _check_non_ascii_credential
+
+
+class TestCheckNonAsciiCredential:
+    """Tests for _check_non_ascii_credential()."""
+
+    def test_ascii_key_unchanged(self):
+        key = "sk-proj-" + "a" * 100
+        result = _check_non_ascii_credential("TEST_API_KEY", key)
+        assert result == key
+
+    def test_strips_unicode_v_lookalike(self, capsys):
+        """The exact scenario from issue #6843: ʋ instead of v."""
+        key = "sk-proj-abc" + "ʋ" + "def"  # \u028b
+        result = _check_non_ascii_credential("OPENROUTER_API_KEY", key)
+        assert result == "sk-proj-abcdef"
+        assert "ʋ" not in result
+        # Should print a warning
+        captured = capsys.readouterr()
+        assert "non-ASCII" in captured.err
+
+    def test_strips_multiple_non_ascii(self, capsys):
+        key = "sk-proj-aʋbécd"
+        result = _check_non_ascii_credential("OPENAI_API_KEY", key)
+        assert result == "sk-proj-abcd"
+        captured = capsys.readouterr()
+        assert "U+028B" in captured.err  # reports the char
+
+
+class TestEnvLoaderSanitization:
+    """Tests for _sanitize_loaded_credentials in env_loader."""
+
+    def test_strips_non_ascii_from_api_key(self, monkeypatch):
+        from hermes_cli.env_loader import _sanitize_loaded_credentials, _WARNED_KEYS
+
+        _WARNED_KEYS.discard("OPENROUTER_API_KEY")
+        monkeypatch.setenv("OPENROUTER_API_KEY", "sk-proj-abcʋdef")
+        _sanitize_loaded_credentials()
+        assert os.environ["OPENROUTER_API_KEY"] == "sk-proj-abcdef"
+
+
+    def test_ignores_non_credential_vars(self, monkeypatch):
+        from hermes_cli.env_loader import _sanitize_loaded_credentials
+
+        monkeypatch.setenv("MY_UNICODE_VAR", "héllo wörld")
+        _sanitize_loaded_credentials()
+        # Not a credential suffix — should be left alone
+        assert os.environ["MY_UNICODE_VAR"] == "héllo wörld"
+
+
+    def test_warns_to_stderr_when_stripping(self, monkeypatch, capsys):
+        """Silent stripping masks bad keys as opaque provider 400s (see #6843 fallout).
+
+        Users must be told when a copy-paste artifact was removed so they
+        can re-copy the key if authentication fails.
+        """
+        from hermes_cli.env_loader import _sanitize_loaded_credentials, _WARNED_KEYS
+
+        _WARNED_KEYS.discard("GOOGLE_API_KEY")
+        monkeypatch.setenv("GOOGLE_API_KEY", "AIzaSy\u200babcdef")  # ZWSP mid-key
+        _sanitize_loaded_credentials()
+        assert os.environ["GOOGLE_API_KEY"] == "AIzaSyabcdef"
+
+        captured = capsys.readouterr()
+        assert "GOOGLE_API_KEY" in captured.err
+        assert "U+200B" in captured.err
+        assert "re-copy" in captured.err.lower()
+
+
+    def test_ascii_control_chars_not_stripped(self, monkeypatch, capsys):
+        """ASCII control bytes (e.g. ESC 0x1B from terminal paste) are NOT non-ASCII.
+
+        This is intentional — they're valid ASCII for HTTP headers even if the
+        provider rejects them. Documents the scope of the sanitizer.
+        """
+        from hermes_cli.env_loader import _sanitize_loaded_credentials, _WARNED_KEYS
+
+        _WARNED_KEYS.clear()
+        monkeypatch.setenv("ANTHROPIC_API_KEY", "sk-ant\x1bapi-key")
+        _sanitize_loaded_credentials()
+        assert os.environ["ANTHROPIC_API_KEY"] == "sk-ant\x1bapi-key"
+        assert capsys.readouterr().err == ""