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ad6d934a5f
* fix(middleware): handle string-serialized options in ClarificationMiddleware (#1995) Some models (e.g. Qwen3-Max) serialize array tool parameters as JSON strings instead of native arrays. Add defensive type checking in _format_clarification_message() to deserialize string options before iteration, preventing per-character rendering. * fix(middleware): normalize options after JSON deserialization Address Copilot review feedback: - Add post-deserialization normalization so options is always a list (handles json.loads returning a scalar string, dict, or None) - Add test for JSON-encoded scalar string ("development") - Fix test_json_string_with_mixed_types to use actual mixed types
121 lines
4.3 KiB
Python
121 lines
4.3 KiB
Python
"""Tests for ClarificationMiddleware, focusing on options type coercion."""
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import json
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import pytest
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from deerflow.agents.middlewares.clarification_middleware import ClarificationMiddleware
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@pytest.fixture
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def middleware():
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return ClarificationMiddleware()
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class TestFormatClarificationMessage:
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"""Tests for _format_clarification_message options handling."""
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def test_options_as_native_list(self, middleware):
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"""Normal case: options is already a list."""
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args = {
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"question": "Which env?",
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"clarification_type": "approach_choice",
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"options": ["dev", "staging", "prod"],
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}
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result = middleware._format_clarification_message(args)
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assert "1. dev" in result
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assert "2. staging" in result
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assert "3. prod" in result
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def test_options_as_json_string(self, middleware):
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"""Bug case (#1995): model serializes options as a JSON string."""
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args = {
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"question": "Which env?",
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"clarification_type": "approach_choice",
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"options": json.dumps(["dev", "staging", "prod"]),
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}
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result = middleware._format_clarification_message(args)
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assert "1. dev" in result
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assert "2. staging" in result
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assert "3. prod" in result
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# Must NOT contain per-character output
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assert "1. [" not in result
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assert '2. "' not in result
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def test_options_as_json_string_scalar(self, middleware):
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"""JSON string decoding to a non-list scalar is treated as one option."""
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args = {
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"question": "Which env?",
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"clarification_type": "approach_choice",
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"options": json.dumps("development"),
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}
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result = middleware._format_clarification_message(args)
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assert "1. development" in result
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# Must be a single option, not per-character iteration.
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assert "2." not in result
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def test_options_as_plain_string(self, middleware):
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"""Edge case: options is a non-JSON string, treated as single option."""
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args = {
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"question": "Which env?",
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"clarification_type": "approach_choice",
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"options": "just one option",
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}
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result = middleware._format_clarification_message(args)
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assert "1. just one option" in result
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def test_options_none(self, middleware):
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"""Options is None — no options section rendered."""
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args = {
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"question": "Tell me more",
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"clarification_type": "missing_info",
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"options": None,
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}
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result = middleware._format_clarification_message(args)
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assert "1." not in result
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def test_options_empty_list(self, middleware):
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"""Options is an empty list — no options section rendered."""
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args = {
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"question": "Tell me more",
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"clarification_type": "missing_info",
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"options": [],
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}
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result = middleware._format_clarification_message(args)
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assert "1." not in result
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def test_options_missing(self, middleware):
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"""Options key is absent — defaults to empty list."""
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args = {
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"question": "Tell me more",
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"clarification_type": "missing_info",
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}
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result = middleware._format_clarification_message(args)
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assert "1." not in result
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def test_context_included(self, middleware):
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"""Context is rendered before the question."""
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args = {
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"question": "Which env?",
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"clarification_type": "approach_choice",
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"context": "Need target env for config",
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"options": ["dev", "prod"],
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}
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result = middleware._format_clarification_message(args)
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assert "Need target env for config" in result
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assert "Which env?" in result
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assert "1. dev" in result
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def test_json_string_with_mixed_types(self, middleware):
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"""JSON string containing non-string elements still works."""
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args = {
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"question": "Pick one",
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"clarification_type": "approach_choice",
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"options": json.dumps(["Option A", 2, True, None]),
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}
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result = middleware._format_clarification_message(args)
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assert "1. Option A" in result
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assert "2. 2" in result
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assert "3. True" in result
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assert "4. None" in result
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