wehub-resource-sync
331 lines
12 KiB
Python
331 lines
12 KiB
Python
from types import SimpleNamespace
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from unittest.mock import MagicMock
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import pytest
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from nanobot.agent.loop import AgentLoop
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from nanobot.agent.tools.self import MyTool
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from nanobot.bus.queue import MessageBus
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from nanobot.config.schema import ModelPresetConfig
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from nanobot.providers.factory import ProviderSnapshot
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def _provider(default_model: str, max_tokens: int = 123) -> MagicMock:
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provider = MagicMock()
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provider.get_default_model.return_value = default_model
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provider.generation = SimpleNamespace(
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max_tokens=max_tokens, temperature=0.1, reasoning_effort=None
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)
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return provider
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def _make_loop(tmp_path, presets=None, active_preset=None):
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provider = _provider("base-model")
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return AgentLoop(
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bus=MessageBus(),
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provider=provider,
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workspace=tmp_path,
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model="base-model",
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context_window_tokens=1000,
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model_presets=presets or {},
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model_preset=active_preset,
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)
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def test_model_preset_getter_none_when_not_set(tmp_path) -> None:
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loop = _make_loop(tmp_path)
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assert loop.model_preset is None
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def test_model_preset_setter_updates_state(tmp_path) -> None:
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presets = {
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"fast": ModelPresetConfig(
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model="openai/gpt-4.1",
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provider="openai",
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max_tokens=4096,
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context_window_tokens=32_768,
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temperature=0.5,
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reasoning_effort="low",
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)
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}
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loop = _make_loop(tmp_path, presets=presets)
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loop.model_preset = "fast"
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assert loop.model_preset == "fast"
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assert loop.model == "openai/gpt-4.1"
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assert loop.context_window_tokens == 32_768
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runtime = loop.llm_runtime()
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assert runtime.generation.temperature == 0.5
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assert runtime.generation.max_tokens == 4096
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assert runtime.generation.reasoning_effort == "low"
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assert not hasattr(loop.subagents, "model")
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assert not hasattr(loop.consolidator, "model")
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assert not hasattr(loop.consolidator, "context_window_tokens")
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assert loop.llm_runtime().model == "openai/gpt-4.1"
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assert loop.llm_runtime().context_window_tokens == 32_768
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assert not hasattr(loop.consolidator, "max_completion_tokens")
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assert loop.llm_runtime().generation.max_tokens == 4096
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def test_model_preset_setter_calls_runtime_model_publisher(tmp_path) -> None:
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published: list[tuple[str, str | None]] = []
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loop = AgentLoop(
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bus=MessageBus(),
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provider=_provider("base-model", max_tokens=123),
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workspace=tmp_path,
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model="base-model",
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context_window_tokens=1000,
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model_presets={"fast": ModelPresetConfig(model="openai/gpt-4.1")},
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runtime_model_publisher=lambda model, preset: published.append((model, preset)),
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)
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loop.set_model_preset("fast")
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assert published == [("openai/gpt-4.1", "fast")]
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def test_model_preset_setter_replaces_provider_from_snapshot(tmp_path) -> None:
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old_provider = _provider("base-model", max_tokens=123)
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new_provider = _provider("anthropic/claude-opus-4-5", max_tokens=2048)
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preset = ModelPresetConfig(
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model="anthropic/claude-opus-4-5",
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provider="anthropic",
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max_tokens=2048,
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context_window_tokens=200_000,
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)
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loop = AgentLoop(
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bus=MessageBus(),
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provider=old_provider,
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workspace=tmp_path,
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model="base-model",
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context_window_tokens=1000,
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model_presets={"deep": preset},
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preset_snapshot_loader=lambda name: ProviderSnapshot(
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provider=new_provider,
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model=preset.model,
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context_window_tokens=preset.context_window_tokens,
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signature=(name, preset.model),
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),
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)
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loop.set_model_preset("deep")
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assert loop.provider is new_provider
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assert not hasattr(loop.runner, "provider")
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assert not hasattr(loop.subagents, "provider")
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assert not hasattr(loop.subagents.runner, "provider")
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assert not hasattr(loop.consolidator, "provider")
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assert loop.model == "anthropic/claude-opus-4-5"
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assert loop.context_window_tokens == 200_000
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assert not hasattr(loop.consolidator, "max_completion_tokens")
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assert loop.llm_runtime().generation.max_tokens == 2048
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def test_model_preset_setter_failure_leaves_old_state(tmp_path) -> None:
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preset = ModelPresetConfig(model="openai/gpt-4.1", max_tokens=4096)
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loop = AgentLoop(
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bus=MessageBus(),
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provider=_provider("base-model", max_tokens=123),
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workspace=tmp_path,
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model="base-model",
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context_window_tokens=1000,
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model_presets={"fast": preset},
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preset_snapshot_loader=lambda _name: (_ for _ in ()).throw(
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RuntimeError("provider unavailable")
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),
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)
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with pytest.raises(RuntimeError, match="provider unavailable"):
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loop.set_model_preset("fast")
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assert loop.model_preset is None
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assert loop.model == "base-model"
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assert not hasattr(loop.subagents, "model")
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assert not hasattr(loop.consolidator, "model")
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assert loop.context_window_tokens == 1000
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assert not hasattr(loop.consolidator, "max_completion_tokens")
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assert loop.llm_runtime().generation.max_tokens == 123
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def test_active_model_preset_survives_unchanged_config_refresh(tmp_path) -> None:
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base_provider = _provider("base-model", max_tokens=123)
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fast_provider = _provider("openai/gpt-4.1", max_tokens=4096)
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default_snapshot = ProviderSnapshot(
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provider=base_provider,
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model="base-model",
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context_window_tokens=1000,
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signature=("base-model", "auto", "openai", "sk-old"),
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)
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fast_snapshot = ProviderSnapshot(
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provider=fast_provider,
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model="openai/gpt-4.1",
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context_window_tokens=32_768,
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signature=("openai/gpt-4.1", "auto", "openai", "sk-old"),
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)
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loop = AgentLoop(
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bus=MessageBus(),
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provider=base_provider,
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workspace=tmp_path,
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model="base-model",
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context_window_tokens=1000,
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provider_signature=default_snapshot.signature,
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model_presets={"fast": ModelPresetConfig(model="openai/gpt-4.1")},
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provider_snapshot_loader=lambda: default_snapshot,
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preset_snapshot_loader=lambda _name: fast_snapshot,
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)
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loop.set_model_preset("fast")
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loop.llm_runtime()
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assert loop.model_preset == "fast"
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assert loop.provider is fast_provider
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assert loop.model == "openai/gpt-4.1"
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def test_config_model_refresh_clears_active_model_preset(tmp_path) -> None:
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base_provider = _provider("base-model", max_tokens=123)
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fast_provider = _provider("openai/gpt-4.1", max_tokens=4096)
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webui_provider = _provider("anthropic/claude-opus-4-5", max_tokens=2048)
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webui_snapshot = ProviderSnapshot(
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provider=webui_provider,
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model="anthropic/claude-opus-4-5",
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context_window_tokens=200_000,
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signature=("anthropic/claude-opus-4-5", "anthropic", "anthropic", "sk-old"),
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)
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fast_snapshot = ProviderSnapshot(
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provider=fast_provider,
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model="openai/gpt-4.1",
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context_window_tokens=32_768,
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signature=("openai/gpt-4.1", "auto", "openai", "sk-old"),
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)
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loop = AgentLoop(
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bus=MessageBus(),
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provider=base_provider,
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workspace=tmp_path,
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model="base-model",
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context_window_tokens=1000,
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provider_snapshot_loader=lambda: webui_snapshot,
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provider_signature=("base-model", "auto", "openai", "sk-old"),
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model_presets={"fast": ModelPresetConfig(model="openai/gpt-4.1")},
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preset_snapshot_loader=lambda _name: fast_snapshot,
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)
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loop.set_model_preset("fast")
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loop.llm_runtime()
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assert loop.model_preset is None
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assert loop.provider is webui_provider
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assert loop.model == "anthropic/claude-opus-4-5"
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assert loop.context_window_tokens == 200_000
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def test_model_preset_setter_raises_on_unknown(tmp_path) -> None:
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loop = _make_loop(tmp_path)
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with pytest.raises(KeyError, match="model_preset 'missing' not found"):
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loop.model_preset = "missing"
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def test_model_preset_setter_raises_on_empty_string(tmp_path) -> None:
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loop = _make_loop(tmp_path)
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with pytest.raises(ValueError, match="model_preset must be a non-empty string"):
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loop.model_preset = ""
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def test_self_tool_inspect_shows_model_preset(tmp_path) -> None:
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presets = {
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"fast": ModelPresetConfig(model="openai/gpt-4.1"),
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}
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loop = _make_loop(tmp_path, presets=presets, active_preset="fast")
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tool = MyTool(runtime_state=loop, modify_allowed=True)
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output = tool._inspect_all()
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assert "model_preset: 'fast'" in output
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def test_self_tool_set_model_preset_via_modify(tmp_path) -> None:
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presets = {
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"fast": ModelPresetConfig(model="openai/gpt-4.1"),
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}
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loop = _make_loop(tmp_path, presets=presets)
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tool = MyTool(runtime_state=loop, modify_allowed=True)
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result = tool._modify("model_preset", "fast")
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assert "Error" not in result
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assert loop.model_preset == "fast"
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assert loop.model == "openai/gpt-4.1"
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def test_self_tool_set_model_preset_switches_back_to_default(tmp_path) -> None:
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presets = {
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"default": ModelPresetConfig(model="base-model", context_window_tokens=1000),
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"fast": ModelPresetConfig(model="openai/gpt-4.1", context_window_tokens=32_768),
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}
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loop = _make_loop(tmp_path, presets=presets, active_preset="fast")
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tool = MyTool(runtime_state=loop, modify_allowed=True)
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result = tool._modify("model_preset", "default")
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assert "Error" not in result
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assert "model is now 'base-model'" in result
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assert loop.model_preset == "default"
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assert loop.model == "base-model"
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assert loop.context_window_tokens == 1000
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def test_self_tool_set_model_preset_unknown_lists_available(tmp_path) -> None:
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presets = {
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"default": ModelPresetConfig(model="base-model"),
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"fast": ModelPresetConfig(model="openai/gpt-4.1"),
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}
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loop = _make_loop(tmp_path, presets=presets)
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tool = MyTool(runtime_state=loop, modify_allowed=True)
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result = tool._modify("model_preset", "missing")
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assert result == "Error: model_preset 'missing' not found. Available: default, fast."
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assert loop.model_preset is None
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assert loop.model == "base-model"
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def test_self_tool_set_model_clears_active_preset(tmp_path) -> None:
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presets = {
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"fast": ModelPresetConfig(model="openai/gpt-4.1"),
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}
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loop = _make_loop(tmp_path, presets=presets, active_preset="fast")
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tool = MyTool(runtime_state=loop, modify_allowed=True)
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result = tool._modify("model", "anthropic/claude-opus-4-5")
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assert "Error" not in result
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assert loop.model_preset is None
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assert loop.model == "anthropic/claude-opus-4-5"
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def test_from_config_injects_default_preset(tmp_path) -> None:
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from unittest.mock import patch
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from nanobot.config.schema import Config
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config = Config.model_validate({
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"agents": {"defaults": {"model": "openai/gpt-4.1", "workspace": str(tmp_path)}},
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})
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fake_provider = _provider("openai/gpt-4.1")
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with patch("nanobot.providers.factory.make_provider", return_value=fake_provider):
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loop = AgentLoop.from_config(config)
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assert loop.model == "openai/gpt-4.1"
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assert loop.model_preset is None
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assert "default" in loop.model_presets
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assert loop.model_presets["default"].model == "openai/gpt-4.1"
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def test_from_config_static_preset_loader_does_not_enable_hot_reload(tmp_path) -> None:
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from unittest.mock import patch
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from nanobot.config.schema import Config
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config = Config.model_validate({
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"agents": {"defaults": {"model": "openai/gpt-4.1", "workspace": str(tmp_path)}},
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"model_presets": {"fast": {"model": "openai/gpt-4.1-mini"}},
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})
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fake_provider = _provider("openai/gpt-4.1")
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with patch("nanobot.providers.factory.make_provider", return_value=fake_provider):
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loop = AgentLoop.from_config(config)
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default_runtime = loop.runtime_resolver.runtime
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resolved = loop.runtime_resolver.resolve_preset("fast")
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assert resolved.model == "openai/gpt-4.1-mini"
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assert loop.runtime_resolver.runtime is default_runtime
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