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ac04f2704f
* feat(subagents): allow model override per subagent in config.yaml Wire the existing SubagentConfig.model field to config.yaml so users can assign different models to different subagent types. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> * test(subagents): cover model override in SubagentsAppConfig + registry Addresses review feedback on #2064: - registry.py: update stale inline comment — the block now applies timeout, max_turns AND model overrides, not just timeout. - test_subagent_timeout_config.py: add coverage for model override resolution across SubagentOverrideConfig, SubagentsAppConfig (get_model_for + load), and registry.get_subagent_config: - per-agent model override is applied to registry-returned config - omitted `model` keeps the builtin value - explicit `model: null` in config.yaml is equivalent to omission - model override on one agent does not affect other agents - model override preserves all other fields (name, description, timeout_seconds, max_turns) - model override does not mutate BUILTIN_SUBAGENTS Copilot's suggestion (3) "setting model to 'inherit' forces inheritance" is skipped intentionally: there is no 'inherit' sentinel in the current implementation — model is `str | None`, and None already means "inherit from parent". Adding a sentinel would be a new feature, not test coverage for this PR. Tests run locally: 51 passed (37 existing + 14 new / expanded). * test(subagents): reject empty-string model at config load time Addresses WillemJiang's review comment on #2064 (empty-string edge case): - subagents_config.py: add `min_length=1` to the `model` field on SubagentOverrideConfig. `model: ""` in config.yaml would otherwise bypass the `is not None` check and reach create_chat_model(name="") as a confusing runtime error. This is symmetric with the existing `ge=1` guards on timeout_seconds / max_turns, so the validation style stays consistent across all three override fields. - test_subagent_timeout_config.py: add test_rejects_empty_model mirroring the existing test_rejects_zero / test_rejects_negative cases; update the docstring on test_model_accepts_any_string (now test_model_accepts_any_non_empty_string) to reflect the new guard. Not addressing the first comment (validating `model` against the `models:` section at load time) in this PR. `SubagentsAppConfig` is scoped to the `subagents:` block and cannot see the sibling `models:` section, so proper cross-section validation needs a second pass or a structural change that is out of scope here — and the current behavior is consistent with how timeout_seconds / max_turns work today. Happy to track this as a follow-up issue covering cross-section validation uniformly for all three fields. Tests run locally: 52 passed in this file; 1847 passed, 18 skipped across the full backend suite. Ruff check + format clean. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
573 lines
23 KiB
Python
573 lines
23 KiB
Python
"""Tests for subagent runtime configuration.
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Covers:
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- SubagentsAppConfig / SubagentOverrideConfig model validation and defaults
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- get_timeout_for() / get_max_turns_for() resolution logic
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- load_subagents_config_from_dict() and get_subagents_app_config() singleton
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- registry.get_subagent_config() applies config overrides
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- registry.list_subagents() applies overrides for all agents
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- Polling timeout calculation in task_tool is consistent with config
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"""
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import pytest
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from deerflow.config.subagents_config import (
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SubagentOverrideConfig,
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SubagentsAppConfig,
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get_subagents_app_config,
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load_subagents_config_from_dict,
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)
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from deerflow.subagents.config import SubagentConfig
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# ---------------------------------------------------------------------------
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# Helpers
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# ---------------------------------------------------------------------------
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def _reset_subagents_config(
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timeout_seconds: int = 900,
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*,
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max_turns: int | None = None,
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agents: dict | None = None,
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) -> None:
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"""Reset global subagents config to a known state."""
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load_subagents_config_from_dict(
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{
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"timeout_seconds": timeout_seconds,
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"max_turns": max_turns,
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"agents": agents or {},
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}
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)
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# ---------------------------------------------------------------------------
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# SubagentOverrideConfig
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# ---------------------------------------------------------------------------
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class TestSubagentOverrideConfig:
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def test_default_is_none(self):
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override = SubagentOverrideConfig()
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assert override.timeout_seconds is None
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assert override.max_turns is None
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assert override.model is None
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def test_explicit_value(self):
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override = SubagentOverrideConfig(timeout_seconds=300, max_turns=42, model="gpt-5.4")
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assert override.timeout_seconds == 300
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assert override.max_turns == 42
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assert override.model == "gpt-5.4"
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def test_model_accepts_any_non_empty_string(self):
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"""Model name is a free-form non-empty string; cross-reference validation
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against the `models:` section happens at registry lookup time."""
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override = SubagentOverrideConfig(model="any-arbitrary-model-name")
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assert override.model == "any-arbitrary-model-name"
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def test_rejects_zero(self):
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with pytest.raises(ValueError):
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SubagentOverrideConfig(timeout_seconds=0)
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with pytest.raises(ValueError):
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SubagentOverrideConfig(max_turns=0)
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def test_rejects_negative(self):
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with pytest.raises(ValueError):
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SubagentOverrideConfig(timeout_seconds=-1)
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with pytest.raises(ValueError):
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SubagentOverrideConfig(max_turns=-1)
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def test_rejects_empty_model(self):
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"""Empty-string model would silently bypass the `is not None` check and
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reach `create_chat_model(name="")` as a runtime error. Reject at load time
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instead, symmetric with the `ge=1` guard on timeout_seconds / max_turns."""
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with pytest.raises(ValueError):
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SubagentOverrideConfig(model="")
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def test_minimum_valid_value(self):
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override = SubagentOverrideConfig(timeout_seconds=1, max_turns=1)
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assert override.timeout_seconds == 1
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assert override.max_turns == 1
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# ---------------------------------------------------------------------------
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# SubagentsAppConfig – defaults and validation
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# ---------------------------------------------------------------------------
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class TestSubagentsAppConfigDefaults:
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def test_default_timeout(self):
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config = SubagentsAppConfig()
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assert config.timeout_seconds == 900
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def test_default_max_turns_override_is_none(self):
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config = SubagentsAppConfig()
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assert config.max_turns is None
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def test_default_agents_empty(self):
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config = SubagentsAppConfig()
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assert config.agents == {}
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def test_custom_global_runtime_overrides(self):
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config = SubagentsAppConfig(timeout_seconds=1800, max_turns=120)
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assert config.timeout_seconds == 1800
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assert config.max_turns == 120
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def test_rejects_zero_timeout(self):
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with pytest.raises(ValueError):
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SubagentsAppConfig(timeout_seconds=0)
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with pytest.raises(ValueError):
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SubagentsAppConfig(max_turns=0)
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def test_rejects_negative_timeout(self):
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with pytest.raises(ValueError):
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SubagentsAppConfig(timeout_seconds=-60)
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with pytest.raises(ValueError):
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SubagentsAppConfig(max_turns=-60)
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# ---------------------------------------------------------------------------
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# SubagentsAppConfig resolution helpers
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# ---------------------------------------------------------------------------
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class TestRuntimeResolution:
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def test_returns_global_default_when_no_override(self):
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config = SubagentsAppConfig(timeout_seconds=600)
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assert config.get_timeout_for("general-purpose") == 600
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assert config.get_timeout_for("bash") == 600
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assert config.get_timeout_for("unknown-agent") == 600
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assert config.get_max_turns_for("general-purpose", 100) == 100
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assert config.get_max_turns_for("bash", 60) == 60
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def test_returns_per_agent_override_when_set(self):
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config = SubagentsAppConfig(
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timeout_seconds=900,
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max_turns=120,
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agents={"bash": SubagentOverrideConfig(timeout_seconds=300, max_turns=80)},
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)
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assert config.get_timeout_for("bash") == 300
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assert config.get_max_turns_for("bash", 60) == 80
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def test_other_agents_still_use_global_default(self):
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config = SubagentsAppConfig(
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timeout_seconds=900,
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max_turns=140,
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agents={"bash": SubagentOverrideConfig(timeout_seconds=300, max_turns=80)},
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)
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assert config.get_timeout_for("general-purpose") == 900
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assert config.get_max_turns_for("general-purpose", 100) == 140
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def test_agent_with_none_override_falls_back_to_global(self):
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config = SubagentsAppConfig(
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timeout_seconds=900,
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max_turns=150,
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agents={"general-purpose": SubagentOverrideConfig(timeout_seconds=None, max_turns=None)},
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)
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assert config.get_timeout_for("general-purpose") == 900
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assert config.get_max_turns_for("general-purpose", 100) == 150
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def test_multiple_per_agent_overrides(self):
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config = SubagentsAppConfig(
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timeout_seconds=900,
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max_turns=120,
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agents={
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"general-purpose": SubagentOverrideConfig(timeout_seconds=1800, max_turns=200),
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"bash": SubagentOverrideConfig(timeout_seconds=120, max_turns=80),
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},
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)
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assert config.get_timeout_for("general-purpose") == 1800
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assert config.get_timeout_for("bash") == 120
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assert config.get_max_turns_for("general-purpose", 100) == 200
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assert config.get_max_turns_for("bash", 60) == 80
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def test_get_model_for_returns_none_when_no_override(self):
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"""No per-agent model override -> returns None so callers fall back to builtin/parent."""
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config = SubagentsAppConfig(timeout_seconds=900)
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assert config.get_model_for("general-purpose") is None
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assert config.get_model_for("bash") is None
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assert config.get_model_for("unknown-agent") is None
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def test_get_model_for_returns_override_when_set(self):
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config = SubagentsAppConfig(
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timeout_seconds=900,
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agents={
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"general-purpose": SubagentOverrideConfig(model="qwen3.5-35b-a3b"),
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"bash": SubagentOverrideConfig(model="gpt-5.4"),
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},
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)
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assert config.get_model_for("general-purpose") == "qwen3.5-35b-a3b"
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assert config.get_model_for("bash") == "gpt-5.4"
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def test_get_model_for_returns_none_for_omitted_agent(self):
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"""An agent not listed in overrides returns None even when other agents have model overrides."""
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config = SubagentsAppConfig(
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timeout_seconds=900,
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agents={"bash": SubagentOverrideConfig(model="gpt-5.4")},
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)
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assert config.get_model_for("general-purpose") is None
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def test_get_model_for_handles_explicit_none(self):
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"""Explicit model=None in the override is equivalent to no override."""
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config = SubagentsAppConfig(
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timeout_seconds=900,
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agents={"bash": SubagentOverrideConfig(timeout_seconds=300, model=None)},
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)
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assert config.get_model_for("bash") is None
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# Timeout override is still applied even when model is None.
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assert config.get_timeout_for("bash") == 300
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# ---------------------------------------------------------------------------
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# load_subagents_config_from_dict / get_subagents_app_config singleton
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# ---------------------------------------------------------------------------
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class TestLoadSubagentsConfig:
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def teardown_method(self):
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"""Restore defaults after each test."""
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_reset_subagents_config()
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def test_load_global_timeout(self):
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load_subagents_config_from_dict({"timeout_seconds": 300, "max_turns": 120})
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assert get_subagents_app_config().timeout_seconds == 300
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assert get_subagents_app_config().max_turns == 120
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def test_load_with_per_agent_overrides(self):
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load_subagents_config_from_dict(
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{
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"timeout_seconds": 900,
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"max_turns": 120,
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"agents": {
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"general-purpose": {"timeout_seconds": 1800, "max_turns": 200},
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"bash": {"timeout_seconds": 60, "max_turns": 80},
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},
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}
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)
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cfg = get_subagents_app_config()
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assert cfg.get_timeout_for("general-purpose") == 1800
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assert cfg.get_timeout_for("bash") == 60
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assert cfg.get_max_turns_for("general-purpose", 100) == 200
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assert cfg.get_max_turns_for("bash", 60) == 80
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def test_load_partial_override(self):
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load_subagents_config_from_dict(
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{
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"timeout_seconds": 600,
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"agents": {"bash": {"timeout_seconds": 120, "max_turns": 70}},
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}
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)
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cfg = get_subagents_app_config()
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assert cfg.get_timeout_for("general-purpose") == 600
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assert cfg.get_timeout_for("bash") == 120
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assert cfg.get_max_turns_for("general-purpose", 100) == 100
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assert cfg.get_max_turns_for("bash", 60) == 70
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def test_load_with_model_overrides(self):
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load_subagents_config_from_dict(
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{
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"timeout_seconds": 900,
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"agents": {
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"general-purpose": {"model": "qwen3.5-35b-a3b"},
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"bash": {"model": "gpt-5.4", "timeout_seconds": 300},
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},
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}
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)
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cfg = get_subagents_app_config()
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assert cfg.get_model_for("general-purpose") == "qwen3.5-35b-a3b"
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assert cfg.get_model_for("bash") == "gpt-5.4"
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# Other override fields on the same agent must still load correctly.
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assert cfg.get_timeout_for("bash") == 300
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def test_load_empty_dict_uses_defaults(self):
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load_subagents_config_from_dict({})
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cfg = get_subagents_app_config()
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assert cfg.timeout_seconds == 900
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assert cfg.max_turns is None
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assert cfg.agents == {}
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def test_load_replaces_previous_config(self):
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load_subagents_config_from_dict({"timeout_seconds": 100, "max_turns": 90})
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assert get_subagents_app_config().timeout_seconds == 100
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assert get_subagents_app_config().max_turns == 90
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load_subagents_config_from_dict({"timeout_seconds": 200, "max_turns": 110})
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assert get_subagents_app_config().timeout_seconds == 200
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assert get_subagents_app_config().max_turns == 110
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def test_singleton_returns_same_instance_between_calls(self):
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load_subagents_config_from_dict({"timeout_seconds": 777, "max_turns": 123})
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assert get_subagents_app_config() is get_subagents_app_config()
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# ---------------------------------------------------------------------------
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# registry.get_subagent_config – runtime overrides applied
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# ---------------------------------------------------------------------------
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class TestRegistryGetSubagentConfig:
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def teardown_method(self):
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_reset_subagents_config()
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def test_returns_none_for_unknown_agent(self):
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from deerflow.subagents.registry import get_subagent_config
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assert get_subagent_config("nonexistent") is None
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def test_returns_config_for_builtin_agents(self):
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from deerflow.subagents.registry import get_subagent_config
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assert get_subagent_config("general-purpose") is not None
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assert get_subagent_config("bash") is not None
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def test_default_timeout_preserved_when_no_config(self):
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from deerflow.subagents.registry import get_subagent_config
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_reset_subagents_config(timeout_seconds=900)
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config = get_subagent_config("general-purpose")
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assert config.timeout_seconds == 900
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assert config.max_turns == 100
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def test_global_timeout_override_applied(self):
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from deerflow.subagents.registry import get_subagent_config
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_reset_subagents_config(timeout_seconds=1800, max_turns=140)
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config = get_subagent_config("general-purpose")
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assert config.timeout_seconds == 1800
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assert config.max_turns == 140
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def test_per_agent_runtime_override_applied(self):
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from deerflow.subagents.registry import get_subagent_config
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load_subagents_config_from_dict(
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{
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"timeout_seconds": 900,
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"max_turns": 120,
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"agents": {"bash": {"timeout_seconds": 120, "max_turns": 80}},
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}
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)
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bash_config = get_subagent_config("bash")
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assert bash_config.timeout_seconds == 120
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assert bash_config.max_turns == 80
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def test_per_agent_override_does_not_affect_other_agents(self):
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from deerflow.subagents.registry import get_subagent_config
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load_subagents_config_from_dict(
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{
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"timeout_seconds": 900,
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"max_turns": 120,
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"agents": {"bash": {"timeout_seconds": 120, "max_turns": 80}},
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}
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)
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gp_config = get_subagent_config("general-purpose")
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assert gp_config.timeout_seconds == 900
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assert gp_config.max_turns == 120
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def test_per_agent_model_override_applied(self):
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from deerflow.subagents.registry import get_subagent_config
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load_subagents_config_from_dict(
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{
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"timeout_seconds": 900,
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"agents": {"bash": {"model": "gpt-5.4-mini"}},
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}
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)
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bash_config = get_subagent_config("bash")
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assert bash_config.model == "gpt-5.4-mini"
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def test_omitted_model_keeps_builtin_value(self):
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"""When config.yaml has no `model` field for an agent, the builtin default must be preserved."""
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from deerflow.subagents.builtins import BUILTIN_SUBAGENTS
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from deerflow.subagents.registry import get_subagent_config
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builtin_bash_model = BUILTIN_SUBAGENTS["bash"].model
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load_subagents_config_from_dict(
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{
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"timeout_seconds": 900,
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"agents": {"bash": {"timeout_seconds": 300}},
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}
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)
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bash_config = get_subagent_config("bash")
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assert bash_config.model == builtin_bash_model
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def test_explicit_null_model_keeps_builtin_value(self):
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"""An explicit `model: null` in config.yaml is equivalent to omission — builtin wins."""
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from deerflow.subagents.builtins import BUILTIN_SUBAGENTS
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from deerflow.subagents.registry import get_subagent_config
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builtin_bash_model = BUILTIN_SUBAGENTS["bash"].model
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load_subagents_config_from_dict(
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{
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"timeout_seconds": 900,
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"agents": {"bash": {"model": None}},
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}
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)
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bash_config = get_subagent_config("bash")
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assert bash_config.model == builtin_bash_model
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def test_model_override_does_not_affect_other_agents(self):
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from deerflow.subagents.builtins import BUILTIN_SUBAGENTS
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from deerflow.subagents.registry import get_subagent_config
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builtin_gp_model = BUILTIN_SUBAGENTS["general-purpose"].model
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load_subagents_config_from_dict(
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{
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"timeout_seconds": 900,
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"agents": {"bash": {"model": "gpt-5.4"}},
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}
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)
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gp_config = get_subagent_config("general-purpose")
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assert gp_config.model == builtin_gp_model
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def test_model_override_preserves_other_fields(self):
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"""Applying a model override must leave timeout_seconds / max_turns / name intact."""
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from deerflow.subagents.builtins import BUILTIN_SUBAGENTS
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from deerflow.subagents.registry import get_subagent_config
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original = BUILTIN_SUBAGENTS["bash"]
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load_subagents_config_from_dict(
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{
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"timeout_seconds": 900,
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"agents": {"bash": {"model": "gpt-5.4-mini"}},
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}
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)
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overridden = get_subagent_config("bash")
|
||
assert overridden.model == "gpt-5.4-mini"
|
||
assert overridden.name == original.name
|
||
assert overridden.description == original.description
|
||
# No timeout / max_turns override was set, so they use global default / builtin.
|
||
assert overridden.timeout_seconds == 900
|
||
assert overridden.max_turns == original.max_turns
|
||
|
||
def test_model_override_does_not_mutate_builtin(self):
|
||
"""Registry must return a new object, leaving the builtin default intact."""
|
||
from deerflow.subagents.builtins import BUILTIN_SUBAGENTS
|
||
from deerflow.subagents.registry import get_subagent_config
|
||
|
||
original_bash_model = BUILTIN_SUBAGENTS["bash"].model
|
||
load_subagents_config_from_dict(
|
||
{
|
||
"timeout_seconds": 900,
|
||
"agents": {"bash": {"model": "gpt-5.4-mini"}},
|
||
}
|
||
)
|
||
_ = get_subagent_config("bash")
|
||
assert BUILTIN_SUBAGENTS["bash"].model == original_bash_model
|
||
|
||
def test_builtin_config_object_is_not_mutated(self):
|
||
"""Registry must return a new object, leaving the builtin default intact."""
|
||
from deerflow.subagents.builtins import BUILTIN_SUBAGENTS
|
||
from deerflow.subagents.registry import get_subagent_config
|
||
|
||
original_timeout = BUILTIN_SUBAGENTS["bash"].timeout_seconds
|
||
original_max_turns = BUILTIN_SUBAGENTS["bash"].max_turns
|
||
load_subagents_config_from_dict({"timeout_seconds": 42, "max_turns": 88})
|
||
|
||
returned = get_subagent_config("bash")
|
||
assert returned.timeout_seconds == 42
|
||
assert returned.max_turns == 88
|
||
assert BUILTIN_SUBAGENTS["bash"].timeout_seconds == original_timeout
|
||
assert BUILTIN_SUBAGENTS["bash"].max_turns == original_max_turns
|
||
|
||
def test_config_preserves_other_fields(self):
|
||
"""Applying runtime overrides must not change other SubagentConfig fields."""
|
||
from deerflow.subagents.builtins import BUILTIN_SUBAGENTS
|
||
from deerflow.subagents.registry import get_subagent_config
|
||
|
||
_reset_subagents_config(timeout_seconds=300, max_turns=140)
|
||
original = BUILTIN_SUBAGENTS["general-purpose"]
|
||
overridden = get_subagent_config("general-purpose")
|
||
|
||
assert overridden.name == original.name
|
||
assert overridden.description == original.description
|
||
assert overridden.max_turns == 140
|
||
assert overridden.model == original.model
|
||
assert overridden.tools == original.tools
|
||
assert overridden.disallowed_tools == original.disallowed_tools
|
||
|
||
|
||
# ---------------------------------------------------------------------------
|
||
# registry.list_subagents – all agents get overrides
|
||
# ---------------------------------------------------------------------------
|
||
|
||
|
||
class TestRegistryListSubagents:
|
||
def teardown_method(self):
|
||
_reset_subagents_config()
|
||
|
||
def test_lists_both_builtin_agents(self):
|
||
from deerflow.subagents.registry import list_subagents
|
||
|
||
names = {cfg.name for cfg in list_subagents()}
|
||
assert "general-purpose" in names
|
||
assert "bash" in names
|
||
|
||
def test_all_returned_configs_get_global_override(self):
|
||
from deerflow.subagents.registry import list_subagents
|
||
|
||
_reset_subagents_config(timeout_seconds=123, max_turns=77)
|
||
for cfg in list_subagents():
|
||
assert cfg.timeout_seconds == 123, f"{cfg.name} has wrong timeout"
|
||
assert cfg.max_turns == 77, f"{cfg.name} has wrong max_turns"
|
||
|
||
def test_per_agent_overrides_reflected_in_list(self):
|
||
from deerflow.subagents.registry import list_subagents
|
||
|
||
load_subagents_config_from_dict(
|
||
{
|
||
"timeout_seconds": 900,
|
||
"max_turns": 120,
|
||
"agents": {
|
||
"general-purpose": {"timeout_seconds": 1800, "max_turns": 200},
|
||
"bash": {"timeout_seconds": 60, "max_turns": 80},
|
||
},
|
||
}
|
||
)
|
||
by_name = {cfg.name: cfg for cfg in list_subagents()}
|
||
assert by_name["general-purpose"].timeout_seconds == 1800
|
||
assert by_name["bash"].timeout_seconds == 60
|
||
assert by_name["general-purpose"].max_turns == 200
|
||
assert by_name["bash"].max_turns == 80
|
||
|
||
|
||
# ---------------------------------------------------------------------------
|
||
# Polling timeout calculation (logic extracted from task_tool)
|
||
# ---------------------------------------------------------------------------
|
||
|
||
|
||
class TestPollingTimeoutCalculation:
|
||
"""Verify the formula (timeout_seconds + 60) // 5 is correct for various inputs."""
|
||
|
||
@pytest.mark.parametrize(
|
||
"timeout_seconds, expected_max_polls",
|
||
[
|
||
(900, 192), # default 15 min → (900+60)//5 = 192
|
||
(300, 72), # 5 min → (300+60)//5 = 72
|
||
(1800, 372), # 30 min → (1800+60)//5 = 372
|
||
(60, 24), # 1 min → (60+60)//5 = 24
|
||
(1, 12), # minimum → (1+60)//5 = 12
|
||
],
|
||
)
|
||
def test_polling_timeout_formula(self, timeout_seconds: int, expected_max_polls: int):
|
||
dummy_config = SubagentConfig(
|
||
name="test",
|
||
description="test",
|
||
system_prompt="test",
|
||
timeout_seconds=timeout_seconds,
|
||
)
|
||
max_poll_count = (dummy_config.timeout_seconds + 60) // 5
|
||
assert max_poll_count == expected_max_polls
|
||
|
||
def test_polling_timeout_exceeds_execution_timeout(self):
|
||
"""Safety-net polling window must always be longer than the execution timeout."""
|
||
for timeout_seconds in [60, 300, 900, 1800]:
|
||
dummy_config = SubagentConfig(
|
||
name="test",
|
||
description="test",
|
||
system_prompt="test",
|
||
timeout_seconds=timeout_seconds,
|
||
)
|
||
max_poll_count = (dummy_config.timeout_seconds + 60) // 5
|
||
polling_window_seconds = max_poll_count * 5
|
||
assert polling_window_seconds > timeout_seconds
|