Files
resolutionflow/backend/tests/test_ai_delta_response.py
2026-03-07 00:40:41 -05:00

117 lines
3.6 KiB
Python

"""Tests for AI delta response parsing and action-type prompt dispatch."""
from app.core.ai_chat_service import _parse_delta, _build_action_prompt, _find_node_by_id
def test_parse_delta_from_response():
"""Service extracts [DELTA] markers from AI responses."""
response = '''Here's a new branch for that node.
[DELTA]
{"action": "add", "target_node_id": "check-dns", "nodes": [{"id": "verify-dns-server", "type": "decision", "question": "Is the DNS server responding?"}], "explanation": "Added DNS verification branch"}
[/DELTA]
Let me know if you'd like to adjust this.'''
parsed = _parse_delta(response)
assert parsed is not None
assert parsed["action"] == "add"
assert parsed["target_node_id"] == "check-dns"
assert len(parsed["nodes"]) == 1
def test_parse_delta_none_when_absent():
"""Returns None when no delta marker present."""
response = "Sure, I can explain that node. It checks connectivity."
parsed = _parse_delta(response)
assert parsed is None
def test_parse_delta_with_markdown_fences():
"""Handles delta JSON wrapped in markdown code fences."""
response = '''[DELTA]
```json
{"action": "modify", "target_node_id": "node-1", "nodes": [{"id": "node-1", "type": "action", "title": "Updated"}], "explanation": "Modified title"}
```
[/DELTA]'''
parsed = _parse_delta(response)
assert parsed is not None
assert parsed["action"] == "modify"
def test_parse_delta_invalid_json():
"""Returns None for invalid JSON inside delta markers."""
response = "[DELTA]not valid json[/DELTA]"
parsed = _parse_delta(response)
assert parsed is None
def test_build_action_prompt_generate_branch():
"""Generate branch action includes focal node context."""
tree = {
"id": "root",
"type": "decision",
"question": "Is the server up?",
"children": [],
"options": [],
}
prompt = _build_action_prompt(
action_type="generate_branch",
focal_node_id="root",
tree_structure=tree,
flow_type="troubleshooting",
)
assert "root" in prompt
assert "generate" in prompt.lower() or "branch" in prompt.lower()
def test_build_action_prompt_open_chat():
"""Open chat action is general conversation."""
prompt = _build_action_prompt(
action_type="open_chat",
focal_node_id=None,
tree_structure={"id": "root", "type": "decision"},
flow_type="troubleshooting",
)
assert isinstance(prompt, str)
assert len(prompt) > 0
def test_find_node_by_id_root():
"""Finds root node."""
tree = {"id": "root", "type": "decision", "children": []}
assert _find_node_by_id(tree, "root") is not None
def test_find_node_by_id_nested():
"""Finds nested child node."""
tree = {
"id": "root",
"type": "decision",
"children": [
{"id": "child-1", "type": "action", "children": []},
{"id": "child-2", "type": "solution", "children": []},
],
}
found = _find_node_by_id(tree, "child-2")
assert found is not None
assert found["id"] == "child-2"
def test_find_node_by_id_not_found():
"""Returns None for non-existent node."""
tree = {"id": "root", "type": "decision", "children": []}
assert _find_node_by_id(tree, "nonexistent") is None
def test_find_node_by_id_in_steps():
"""Finds node in procedural steps array."""
tree = {
"steps": [
{"id": "step-1", "type": "procedure_step"},
{"id": "step-2", "type": "procedure_step"},
]
}
found = _find_node_by_id(tree, "step-2")
assert found is not None
assert found["id"] == "step-2"