haiku.rag/tests/capabilities/test_capabilities.py
2026-07-24 15:26:18 +03:00

347 lines
11 KiB
Python

from dataclasses import dataclass, field
from typing import Any
import pytest
from pydantic_ai import Agent, RunContext
from pydantic_ai.messages import (
ModelRequest,
ModelResponse,
TextPart,
ToolCallPart,
ToolReturnPart,
UserPromptPart,
)
from pydantic_ai.models.function import FunctionModel
from pydantic_ai.models.test import TestModel
from pydantic_ai.usage import RunUsage
from haiku.rag.capabilities._base import _compact_old_tool_returns
from haiku.rag.capabilities.analysis import AnalysisCapability, AnalysisState
from haiku.rag.capabilities.analysis import create_capability as create_analysis
from haiku.rag.capabilities.rag import AGENT_PREAMBLE, RAGCapability, RAGState
from haiku.rag.capabilities.rag import create_capability as create_rag
from haiku.rag.config.models import AppConfig, PromptsConfig
@dataclass
class Deps:
state: dict[str, Any] = field(default_factory=dict)
def make_context(deps: Deps) -> RunContext[Deps]:
return RunContext(
deps=deps,
model=TestModel(),
usage=RunUsage(),
run_id="test-run",
)
def test_rag_capability_api(temp_db_path):
capability = create_rag(db_path=temp_db_path, config=AppConfig())
assert isinstance(capability, RAGCapability)
assert capability.id == "haiku-rag"
assert capability.defer_loading is True
assert set(capability.get_toolset().tools) == {"rag_search", "rag_cite"}
toolset = capability.get_toolset()
assert toolset.max_retries == 3
assert toolset.sequential is True
assert capability.state_type is RAGState
assert capability.state_namespace == "rag"
assert capability.request_limit == 20
def test_analysis_capability_api(temp_db_path):
capability = create_analysis(db_path=temp_db_path, config=AppConfig())
assert isinstance(capability, AnalysisCapability)
assert capability.id == "haiku-rag-analysis"
assert capability.defer_loading is True
assert set(capability.get_toolset().tools) == {
"analysis_search",
"analysis_execute_code",
"analysis_cite",
}
toolset = capability.get_toolset()
assert toolset.max_retries == 3
assert toolset.sequential is True
assert capability.state_type is AnalysisState
assert capability.request_limit == 30
def test_domain_preamble_is_added_to_capability_instructions(temp_db_path):
config = AppConfig(
prompts=PromptsConfig(domain_preamble="The corpus contains solar manuals.")
)
capability = create_rag(db_path=temp_db_path, config=config)
assert capability.get_instructions().startswith(
"The corpus contains solar manuals.\n\n# RAG"
)
@pytest.mark.asyncio
@pytest.mark.parametrize(
("factory", "agent_instructions", "heading"),
[
(create_rag, AGENT_PREAMBLE, "# RAG"),
(create_analysis, None, "# Analysis"),
],
)
async def test_capability_instructions_are_injected_once(
temp_db_path, factory, agent_instructions, heading
):
domain = "The corpus contains solar manuals."
seen_instructions = []
def model_function(_messages, info):
seen_instructions.append(info.instructions or "")
return ModelResponse(parts=[TextPart("done")])
config = AppConfig(prompts=PromptsConfig(domain_preamble=domain))
agent = Agent(
FunctionModel(model_function),
deps_type=Deps,
instructions=agent_instructions,
capabilities=[
factory(
db_path=temp_db_path,
config=config,
defer_loading=False,
)
],
)
await agent.run("Answer", deps=Deps())
assert seen_instructions[0].count(domain) == 1
assert seen_instructions[0].count(heading) == 1
@pytest.mark.asyncio
async def test_request_limit_removes_only_exhausted_capability_tools_per_run(
temp_db_path,
):
calls = 0
seen_tools = []
seen_instructions = []
def model_function(_messages, info):
nonlocal calls
calls += 1
seen_tools.append({tool.name for tool in info.function_tools})
seen_instructions.append(info.instructions or "")
if calls % 2 == 1:
return ModelResponse(parts=[ToolCallPart("host_tool", {})])
return ModelResponse(parts=[TextPart("best available answer")])
def host_tool(_ctx: RunContext[Deps]) -> str:
"""Return host-owned context."""
return "host context"
rag = create_rag(
db_path=temp_db_path,
config=AppConfig(),
defer_loading=False,
)
analysis = create_analysis(
db_path=temp_db_path,
config=AppConfig(),
defer_loading=False,
request_limit=1,
)
agent = Agent(
FunctionModel(model_function),
deps_type=Deps,
tools=[host_tool],
capabilities=[rag, analysis],
)
first = await agent.run("Analyze this", deps=Deps())
second = await agent.run("Analyze another question", deps=Deps())
assert first.output == "best available answer"
assert second.output == "best available answer"
analysis_tools = {
"analysis_search",
"analysis_execute_code",
"analysis_cite",
}
for initial, exhausted in ((0, 1), (2, 3)):
assert analysis_tools <= seen_tools[initial]
assert analysis_tools.isdisjoint(seen_tools[exhausted])
assert {"host_tool", "rag_search", "rag_cite"} <= seen_tools[exhausted]
assert (
"analysis capability has reached its request limit"
in (seen_instructions[exhausted])
)
@pytest.mark.asyncio
async def test_deferred_request_limit_starts_after_capability_load(temp_db_path):
seen_tools = []
seen_instructions = []
def model_function(_messages, info):
seen_tools.append({tool.name for tool in info.function_tools})
seen_instructions.append(info.instructions or "")
if len(seen_tools) == 1:
return ModelResponse(
parts=[
ToolCallPart(
"load_capability",
{"id": "haiku-rag-analysis"},
)
]
)
if len(seen_tools) == 2:
return ModelResponse(parts=[ToolCallPart("host_tool", {})])
return ModelResponse(parts=[TextPart("best available answer")])
def host_tool(_ctx: RunContext[Deps]) -> str:
"""Return host-owned context."""
return "host context"
agent = Agent(
FunctionModel(model_function),
deps_type=Deps,
tools=[host_tool],
capabilities=[
create_analysis(
db_path=temp_db_path,
config=AppConfig(),
request_limit=1,
)
],
)
result = await agent.run("Analyze this", deps=Deps())
assert result.output == "best available answer"
assert "load_capability" in seen_tools[0]
assert "analysis_search" in seen_tools[1]
assert "analysis_search" not in seen_tools[2]
assert "host_tool" in seen_tools[2]
assert "analysis capability has reached its request limit" in seen_instructions[2]
@pytest.mark.asyncio
async def test_capability_isolated_per_run_and_round_trips_state(temp_db_path):
capability = create_rag(db_path=temp_db_path, config=AppConfig())
deps = Deps(
state={
"rag": RAGState(
document_filter="uri = 'manual.pdf'",
citations=["old"],
searches={"old": []},
).model_dump(mode="json")
}
)
run_capability = await capability.for_run(make_context(deps))
assert run_capability is not capability
assert run_capability.state is not None
assert run_capability.state.document_filter == "uri = 'manual.pdf'"
assert run_capability.state.citations == []
assert run_capability.state.searches == {}
assert deps.state["rag"]["document_filter"] == "uri = 'manual.pdf'"
@pytest.mark.asyncio
async def test_native_agent_composition_initializes_host_state(temp_db_path):
capability = create_rag(
db_path=temp_db_path,
config=AppConfig(),
defer_loading=False,
)
deps = Deps()
agent = Agent(
TestModel(call_tools=[]),
deps_type=Deps,
capabilities=[capability],
)
result = await agent.run("Hello", deps=deps)
assert result.output == "success (no tool calls)"
assert deps.state["rag"] == RAGState().model_dump(mode="json")
@pytest.mark.asyncio
async def test_deferred_capability_loads_native_tools(temp_db_path):
seen_instructions = []
loaded_payloads = []
def model_function(messages, info):
seen_instructions.append(info.instructions or "")
loaded_payloads.extend(
str(part.content)
for message in messages
for part in message.parts
if isinstance(part, ToolReturnPart) and part.tool_name == "load_capability"
)
loaded = any(
isinstance(part, ToolReturnPart) and part.tool_name == "load_capability"
for message in messages
for part in message.parts
)
if not loaded:
return ModelResponse(
parts=[ToolCallPart("load_capability", {"id": "haiku-rag"})]
)
return ModelResponse(parts=[TextPart("loaded")])
agent = Agent(
FunctionModel(model_function),
deps_type=Deps,
capabilities=[create_rag(db_path=temp_db_path, config=AppConfig())],
)
result = await agent.run("Use RAG", deps=Deps())
assert result.output == "loaded"
assert "# RAG" not in seen_instructions[0]
assert "# RAG" in loaded_payloads[0]
assert "rag_search" in loaded_payloads[0]
def test_prior_turn_tool_results_are_compacted_but_current_evidence_is_kept():
messages = [
ModelRequest(parts=[UserPromptPart("old question")]),
ModelResponse(parts=[ToolCallPart("rag_search", {}, "old-call")]),
ModelRequest(
parts=[ToolReturnPart("rag_search", "large old evidence", "old-call")]
),
ModelRequest(parts=[UserPromptPart("current question")]),
ModelResponse(parts=[ToolCallPart("rag_search", {}, "current-call")]),
ModelRequest(
parts=[ToolReturnPart("rag_search", "current evidence", "current-call")]
),
]
compacted = _compact_old_tool_returns(messages, frozenset({"rag_search"}))
old_return = compacted[2].parts[0]
current_return = compacted[5].parts[0]
assert isinstance(old_return, ToolReturnPart)
assert "removed" in str(old_return.content)
assert isinstance(current_return, ToolReturnPart)
assert current_return.content == "current evidence"
def test_tool_results_are_unchanged_when_history_has_no_user_prompt():
messages = [
ModelResponse(parts=[ToolCallPart("rag_search", {}, "current-call")]),
ModelRequest(
parts=[ToolReturnPart("rag_search", "current evidence", "current-call")]
),
]
compacted = _compact_old_tool_returns(messages, frozenset({"rag_search"}))
assert compacted is messages
current_return = compacted[1].parts[0]
assert isinstance(current_return, ToolReturnPart)
assert current_return.content == "current evidence"