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

tests/gateway/test_escape_reasoning_fences.py

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+"""
+Tests for escape_code_fences_for_display.
+
+B1: Escape triple-backtick markers inside reasoning text before wrapping
+    in an outer ``` fence, so inner ``` doesn't break the outer block.
+"""
+
+import pytest
+from gateway.stream_consumer import escape_code_fences_for_display
+
+
+class TestEscapeCodeFencesForDisplay:
+    """escape_code_fences_for_display prevents inner ``` from breaking
+    the outer code block used to render reasoning."""
+
+
+    def test_single_fence_escaped(self):
+        text = "model used ```python\nx = 1\n``` in its thinking"
+        result = escape_code_fences_for_display(text)
+        assert "```" not in result
+        assert "\\`\\`\\`" in result
+
+    def test_multiple_fences_all_escaped(self):
+        text = "```\nblock1\n``` and ```python\nblock2\n```"
+        result = escape_code_fences_for_display(text)
+        assert result.count("```") == 0
+        assert result.count("\\`\\`\\`") == 4
+
+