hermes-agent/tests/run_agent/test_switch_model_context.py

1022 lines
30 KiB
Python

"""Tests that switch_model does not inherit stale context_length overrides."""
from unittest.mock import MagicMock, patch
import pytest
from run_agent import AIAgent
from agent.agent_init import _normalize_route_base_url
from agent.context_compressor import ContextCompressor
class _StubStartupCompressor:
def __init__(self, *args, **kwargs):
self.context_length = kwargs.get("config_context_length") or 272_000
self.config_context_length = kwargs.get("config_context_length")
self.threshold_tokens = int(self.context_length * 0.95)
self.threshold_percent = 0.95
def get_tool_schemas(self):
return []
def on_session_start(self, *args, **kwargs):
return None
def test_route_url_normalization_preserves_path_slash_before_query():
"""A path slash before a query changes OpenAI SDK URL joining."""
assert _normalize_route_base_url(
"https://example.com/v1/?tenant=large"
) != _normalize_route_base_url("https://example.com/v1?tenant=large")
def test_route_url_normalization_preserves_trailing_whitespace():
"""Whitespace can alter the request target and must not collapse routes."""
assert _normalize_route_base_url(
"https://example.com/v1 "
) != _normalize_route_base_url("https://example.com/v1")
def test_route_url_normalization_preserves_bracketed_host_syntax():
"""Invalid bracketed host syntax must not collapse onto a valid DNS host."""
assert _normalize_route_base_url(
"http://[v1.Foo]/v1"
) != _normalize_route_base_url("http://v1.foo/v1")
def test_route_url_normalization_preserves_malformed_trailing_slash():
"""Malformed URLs are kept byte-exact rather than partially normalized."""
assert _normalize_route_base_url(
"http://[bad/v1/"
) != _normalize_route_base_url("http://[bad/v1")
@pytest.mark.parametrize(
"raw",
["http://[bad/v1/", "example.com/v1/", "https:///v1/"],
)
def test_route_url_normalization_keeps_unparseable_routes_byte_exact(raw):
assert _normalize_route_base_url(raw) == raw
@pytest.mark.parametrize(
("configured", "active"),
[
("http://EXAMPLE.COM:80/v1/", "http://example.com/v1"),
(
"https://EXAMPLE.COM:443/v1/#configured-fragment",
"https://example.com/v1#active-fragment",
),
("http://[2001:DB8::1]:80/v1/", "http://[2001:db8::1]/v1"),
],
)
def test_route_url_normalization_accepts_isolated_safe_equivalences(
configured, active
):
"""Default ports, fragments, and IPv6 hex case do not change HTTP routes."""
assert _normalize_route_base_url(configured) == _normalize_route_base_url(active)
@pytest.mark.parametrize(
("configured", "active"),
[
("https://example.com/V1", "https://example.com/v1"),
("https://example.com:8443/v1", "https://example.com/v1"),
("https://example.com/v1?tenant=large", "https://example.com/v1"),
("http://example.com/v1", "https://example.com/v1"),
("https://example.com:notaport/v1", "https://example.com/v1"),
],
)
def test_route_url_normalization_preserves_significant_components(
configured, active
):
"""Path case, route data, schemes, and ambiguous ports stay distinct."""
assert _normalize_route_base_url(configured) != _normalize_route_base_url(active)
def _make_direct_start_agent(
cfg: dict, *, model: str, provider: str, base_url: str
) -> AIAgent:
with (
patch("hermes_cli.config.load_config", return_value=cfg),
patch("run_agent.get_tool_definitions", return_value=[]),
patch("run_agent.check_toolset_requirements", return_value={}),
patch("run_agent.OpenAI"),
patch("agent.agent_init.ContextCompressor", new=_StubStartupCompressor),
):
return AIAgent(
model=model,
provider=provider,
api_key="fake-test-token",
base_url=base_url,
quiet_mode=True,
skip_context_files=True,
skip_memory=True,
)
def _make_agent_with_compressor(config_context_length=None) -> AIAgent:
"""Build a minimal AIAgent with a context_compressor, skipping __init__."""
agent = AIAgent.__new__(AIAgent)
# Primary model settings
agent.model = "primary-model"
agent.provider = "openrouter"
agent.base_url = "https://openrouter.ai/api/v1"
agent.api_key = "sk-primary"
agent.api_mode = "chat_completions"
agent.client = MagicMock()
agent.quiet_mode = True
# Store the initial config_context_length override used at agent construction.
agent._config_context_length = config_context_length
# Context compressor with primary model values
compressor = ContextCompressor(
model="primary-model",
threshold_percent=0.50,
base_url="https://openrouter.ai/api/v1",
api_key="sk-primary",
provider="openrouter",
quiet_mode=True,
config_context_length=config_context_length,
)
agent.context_compressor = compressor
# For switch_model
agent._primary_runtime = {}
return agent
@patch("agent.model_metadata.get_model_context_length", return_value=131_072)
def test_switch_model_clears_previous_config_context_length(mock_ctx_len):
"""Switching models must not reuse the previous model.context_length override."""
agent = _make_agent_with_compressor(config_context_length=32_768)
assert agent.context_compressor.model == "primary-model"
assert agent.context_compressor.context_length == 32_768 # From config override
# Switch model
agent.switch_model("new-model", "openrouter", api_key="sk-new", base_url="https://openrouter.ai/api/v1")
# Verify the old config override is not passed to the new model.
mock_ctx_len.assert_called_once()
call_kwargs = mock_ctx_len.call_args.kwargs
assert call_kwargs.get("config_context_length") is None
# Verify compressor was updated from the newly resolved model metadata.
assert agent.context_compressor.model == "new-model"
assert agent.context_compressor.context_length == 131_072
def test_switch_model_without_config_context_length():
"""When switching models without config override, config_context_length should be None."""
agent = _make_agent_with_compressor(config_context_length=None)
with patch("agent.model_metadata.get_model_context_length", return_value=128_000) as mock_ctx_len:
# Switch model
agent.switch_model("new-model", "openrouter", api_key="sk-new", base_url="https://openrouter.ai/api/v1")
# Verify get_model_context_length was called with None
mock_ctx_len.assert_called_once()
call_kwargs = mock_ctx_len.call_args.kwargs
assert call_kwargs.get("config_context_length") is None
def test_direct_start_model_override_does_not_inherit_profile_context_length():
"""A CLI ``--model`` startup override must not inherit another model's window."""
cfg = {
"model": {
"default": "kimi-k3",
"provider": "custom:kimi-coding-1m",
"base_url": "https://api.kimi.com/coding",
"context_length": 1_048_576,
},
"custom_providers": [
{
"name": "kimi-coding-1m",
"base_url": "https://api.kimi.com/coding",
"models": {"kimi-k3": {"context_length": 1_048_576}},
}
],
}
agent = _make_direct_start_agent(
cfg,
model="gpt-5.6-sol",
provider="openai-codex",
base_url="https://chatgpt.com/backend-api/codex",
)
assert agent.context_compressor.config_context_length is None
assert agent.context_compressor.context_length == 272_000
def test_direct_start_preserves_context_for_normalized_default_model_alias():
"""Equivalent vendor-prefixed defaults still own their explicit window."""
cfg = {
"model": {
"default": "openai/gpt-5.6-sol",
"provider": "openai-codex",
"base_url": "https://chatgpt.com/backend-api/codex",
"context_length": 272_000,
}
}
agent = _make_direct_start_agent(
cfg,
model="gpt-5.6-sol",
provider="openai-codex",
base_url="https://chatgpt.com/backend-api/codex",
)
assert agent.context_compressor.config_context_length == 272_000
assert agent.context_compressor.context_length == 272_000
def test_direct_start_same_model_on_different_route_drops_context_override():
"""Context pins are route-specific even when the model slug is unchanged."""
cfg = {
"model": {
"default": "gpt-5.6-sol",
"provider": "custom:large-sol-route",
"base_url": "https://large-sol.example/v1",
"context_length": 1_048_576,
}
}
agent = _make_direct_start_agent(
cfg,
model="gpt-5.6-sol",
provider="openai-codex",
base_url="https://chatgpt.com/backend-api/codex",
)
assert agent.context_compressor.config_context_length is None
assert agent.context_compressor.context_length == 272_000
def test_direct_start_drops_context_when_configured_route_has_no_active_url():
"""A configured endpoint cannot own a runtime whose endpoint is unknown."""
cfg = {
"model": {
"default": "shared-model",
"provider": "custom",
"base_url": "https://large.example/v1",
"context_length": 1_048_576,
}
}
routed_client = MagicMock(api_key="fake-test-token", base_url="")
with patch(
"agent.auxiliary_client.resolve_provider_client",
return_value=(routed_client, "shared-model"),
):
agent = _make_direct_start_agent(
cfg,
model="shared-model",
provider="custom",
base_url="",
)
assert agent.context_compressor.config_context_length is None
def test_direct_start_preserves_context_for_bare_aggregator_model():
"""Aggregator normalization must compare both sides, not rewrite one side."""
cfg = {
"model": {
"default": "gpt-5.4",
"provider": "openrouter",
"context_length": 1_000_000,
}
}
agent = _make_direct_start_agent(
cfg,
model="gpt-5.4",
provider="openrouter",
base_url="https://openrouter.ai/api/v1",
)
assert agent.context_compressor.config_context_length == 1_000_000
def test_direct_start_drops_context_for_same_provider_custom_base_url():
"""An explicit endpoint override changes the route even if provider matches."""
cfg = {
"model": {
"default": "gpt-5.4",
"provider": "openrouter",
"context_length": 1_000_000,
}
}
agent = _make_direct_start_agent(
cfg,
model="gpt-5.4",
provider="openrouter",
base_url="https://small.example/v1",
)
assert agent.context_compressor.config_context_length is None
def test_direct_start_drops_context_for_provider_name_lookalike_host():
"""A hostname containing a provider domain is not that provider's route."""
cfg = {
"model": {
"default": "gpt-5.4",
"provider": "openrouter",
"context_length": 1_000_000,
}
}
agent = _make_direct_start_agent(
cfg,
model="gpt-5.4",
provider="openrouter",
base_url="https://evil-openrouter.ai/v1",
)
assert agent.context_compressor.config_context_length is None
def test_direct_start_preserves_context_for_codex_default_endpoint():
"""ChatGPT's Codex endpoint belongs to the openai-codex route."""
cfg = {
"model": {
"default": "gpt-5.6-sol",
"provider": "openai-codex",
"context_length": 272_000,
}
}
agent = _make_direct_start_agent(
cfg,
model="gpt-5.6-sol",
provider="openai-codex",
base_url="https://chatgpt.com/backend-api/codex",
)
assert agent.context_compressor.config_context_length == 272_000
def test_direct_start_drops_context_for_codex_wrong_path():
"""A known host with a different route path is not the Codex endpoint."""
cfg = {
"model": {
"default": "gpt-5.6-sol",
"provider": "openai-codex",
"context_length": 272_000,
}
}
agent = _make_direct_start_agent(
cfg,
model="gpt-5.6-sol",
provider="openai-codex",
base_url="https://chatgpt.com/unrelated",
)
assert agent.context_compressor.config_context_length is None
def test_direct_start_drops_context_for_overridden_provider_wrong_path():
"""Providers with an explicit default route require that complete route."""
cfg = {
"model": {
"default": "grok-4",
"provider": "xai",
"context_length": 256_000,
}
}
agent = _make_direct_start_agent(
cfg,
model="grok-4",
provider="xai",
base_url="https://api.x.ai/not-v1",
)
assert agent.context_compressor.config_context_length is None
def test_direct_start_preserves_context_for_equivalent_base_url_spellings():
"""Route identity ignores URL casing, default ports, and trailing slashes."""
cfg = {
"model": {
"default": "gpt-5.4",
"provider": "openrouter",
"base_url": "HTTPS://OPENROUTER.AI:443/api/v1/",
"context_length": 1_000_000,
}
}
agent = _make_direct_start_agent(
cfg,
model="gpt-5.4",
provider="openrouter",
base_url="https://openrouter.ai/api/v1",
)
assert agent.context_compressor.config_context_length == 1_000_000
def test_direct_start_drops_context_when_path_parameter_segment_changes():
"""Trailing-slash normalization must not move params to another segment."""
cfg = {
"model": {
"default": "shared-model",
"provider": "custom",
"base_url": "https://example.com/v1/;tenant=large",
"context_length": 1_048_576,
}
}
agent = _make_direct_start_agent(
cfg,
model="shared-model",
provider="custom",
base_url="https://example.com/v1;tenant=large",
)
assert agent.context_compressor.config_context_length is None
def test_direct_start_drops_context_when_empty_path_parameter_changes():
"""An explicit empty path-parameter delimiter is not discarded."""
cfg = {
"model": {
"default": "shared-model",
"provider": "custom",
"base_url": "https://example.com/v1;",
"context_length": 1_048_576,
}
}
agent = _make_direct_start_agent(
cfg,
model="shared-model",
provider="custom",
base_url="https://example.com/v1",
)
assert agent.context_compressor.config_context_length is None
def test_direct_start_drops_context_when_empty_query_delimiter_changes():
"""An explicit empty query changes OpenAI SDK base-URL joining semantics."""
cfg = {
"model": {
"default": "shared-model",
"provider": "custom",
"base_url": "https://example.com/v1?",
"context_length": 1_048_576,
}
}
agent = _make_direct_start_agent(
cfg,
model="shared-model",
provider="custom",
base_url="https://example.com/v1",
)
assert agent.context_compressor.config_context_length is None
def test_direct_start_drops_context_when_query_path_slash_changes():
"""A path slash before a query remains part of the effective SDK route."""
cfg = {
"model": {
"default": "shared-model",
"provider": "custom",
"base_url": "https://example.com/v1/?tenant=large",
"context_length": 1_048_576,
}
}
agent = _make_direct_start_agent(
cfg,
model="shared-model",
provider="custom",
base_url="https://example.com/v1?tenant=large",
)
assert agent.context_compressor.config_context_length is None
def test_direct_start_drops_context_when_empty_query_path_slash_changes():
"""An empty query still preserves the path slash immediately before it."""
cfg = {
"model": {
"default": "shared-model",
"provider": "custom",
"base_url": "https://example.com/v1/?",
"context_length": 1_048_576,
}
}
agent = _make_direct_start_agent(
cfg,
model="shared-model",
provider="custom",
base_url="https://example.com/v1?",
)
assert agent.context_compressor.config_context_length is None
def test_direct_start_drops_context_when_active_query_changes():
"""Query parameters remain part of the effective route identity."""
cfg = {
"model": {
"default": "shared-model",
"provider": "custom",
"base_url": "https://example.com/v1",
"context_length": 1_048_576,
}
}
agent = _make_direct_start_agent(
cfg,
model="shared-model",
provider="custom",
base_url="https://example.com/v1?tenant=small",
)
assert agent.context_compressor.config_context_length is None
def test_direct_start_preserves_context_for_matching_query_route():
"""SDK query extraction must not hide an otherwise matching route."""
cfg = {
"model": {
"default": "shared-model",
"provider": "custom",
"base_url": "https://example.com/v1?tenant=large",
"context_length": 1_048_576,
}
}
agent = _make_direct_start_agent(
cfg,
model="shared-model",
provider="custom",
base_url="https://example.com/v1?tenant=large",
)
assert agent.context_compressor.config_context_length == 1_048_576
def test_direct_start_drops_context_when_extra_trailing_segment_changes():
"""Only one conventional trailing slash is ignored for route identity."""
cfg = {
"model": {
"default": "shared-model",
"provider": "custom",
"base_url": "https://example.com/v1//",
"context_length": 1_048_576,
}
}
agent = _make_direct_start_agent(
cfg,
model="shared-model",
provider="custom",
base_url="https://example.com/v1",
)
assert agent.context_compressor.config_context_length is None
def test_direct_start_does_not_reapply_custom_context_across_extra_slash():
"""Per-model custom overrides use the same fail-closed route identity."""
cfg = {
"model": {
"default": "shared-model",
"provider": "custom",
},
"custom_providers": [
{
"name": "large-route",
"base_url": "https://example.com/v1//",
"models": {
"shared-model": {"context_length": 1_048_576}
},
}
],
}
agent = _make_direct_start_agent(
cfg,
model="shared-model",
provider="custom",
base_url="https://example.com/v1",
)
assert agent.context_compressor.config_context_length is None
def test_direct_start_drops_context_when_url_userinfo_changes():
"""Credentials embedded in a URL remain part of route identity."""
cfg = {
"model": {
"default": "shared-model",
"provider": "custom",
"base_url": "https://large-tenant:secret@example.com/v1",
"context_length": 1_048_576,
}
}
agent = _make_direct_start_agent(
cfg,
model="shared-model",
provider="custom",
base_url="https://small-tenant:secret@example.com/v1",
)
assert agent.context_compressor.config_context_length is None
@pytest.mark.parametrize("suffix", [" ", "\t", "\n", "\r", "%20"])
def test_direct_start_drops_context_for_trailing_url_data(suffix):
"""Whitespace, controls, and encoded spaces remain route-significant."""
cfg = {
"model": {
"default": "shared-model",
"provider": "custom",
"base_url": f"https://example.com/v1{suffix}",
"context_length": 1_048_576,
}
}
agent = _make_direct_start_agent(
cfg,
model="shared-model",
provider="custom",
base_url="https://example.com/v1",
)
assert agent.context_compressor.config_context_length is None
def test_direct_start_drops_context_when_ipv6_zone_case_changes():
"""IPv6 address hex is case-insensitive, but its zone identifier is not."""
cfg = {
"model": {
"default": "shared-model",
"provider": "custom",
"base_url": "http://[FE80::1%25ETH0]/v1",
"context_length": 1_048_576,
}
}
agent = _make_direct_start_agent(
cfg,
model="shared-model",
provider="custom",
base_url="http://[fe80::1%25eth0]/v1",
)
assert agent.context_compressor.config_context_length is None
def test_direct_start_preserves_context_for_provider_alias():
"""Canonical provider aliases identify the same route when no URL is pinned."""
cfg = {
"model": {
"default": "gemini-2.5-pro",
"provider": "google",
"context_length": 1_000_000,
}
}
agent = _make_direct_start_agent(
cfg,
model="gemini-2.5-pro",
provider="gemini",
base_url="https://generativelanguage.googleapis.com/v1beta/openai",
)
assert agent.context_compressor.config_context_length == 1_000_000
def test_direct_start_preserves_context_for_registry_provider_alias():
"""Legacy and models.dev provider IDs may identify the same route."""
cfg = {
"model": {
"default": "kimi-k3",
"provider": "kimi-for-coding",
"context_length": 1_048_576,
}
}
routed_client = MagicMock(api_key="fake-test-token", base_url="")
with patch(
"agent.auxiliary_client.resolve_provider_client",
return_value=(routed_client, "kimi-k3"),
):
agent = _make_direct_start_agent(
cfg,
model="kimi-k3",
provider="kimi-coding",
base_url="",
)
assert agent.context_compressor.config_context_length == 1_048_576
def test_direct_start_preserves_context_for_profile_route_on_shared_host():
"""Exact provider-profile routes disambiguate providers sharing a hostname."""
cfg = {
"model": {
"default": "gpt-5.4",
"provider": "opencode-zen",
"context_length": 1_000_000,
}
}
agent = _make_direct_start_agent(
cfg,
model="gpt-5.4",
provider="opencode",
base_url="https://opencode.ai/zen/v1",
)
assert agent.context_compressor.config_context_length == 1_000_000
def test_direct_start_drops_context_for_profile_wrong_path():
"""A shared hostname cannot substitute for a profile's complete route."""
cfg = {
"model": {
"default": "gpt-5.4",
"provider": "opencode-go",
"context_length": 1_000_000,
}
}
agent = _make_direct_start_agent(
cfg,
model="gpt-5.4",
provider="opencode-go",
base_url="https://opencode.ai/unrelated",
)
assert agent.context_compressor.config_context_length is None
def test_direct_start_named_custom_route_resolves_configured_base_url():
"""Named custom providers must not collapse to one generic custom route."""
cfg = {
"model": {
"default": "shared-model",
"provider": "custom:large-route",
"context_length": 1_048_576,
},
"custom_providers": [
{
"name": "Large Route",
"base_url": "https://legacy-large.example/v1",
}
],
"providers": {
"large-route": {
"name": "Large Route",
"api": "https://large.example/v1",
}
},
}
agent = _make_direct_start_agent(
cfg,
model="shared-model",
provider="custom",
base_url="https://small.example/v1",
)
assert agent.context_compressor.config_context_length is None
assert agent.context_compressor.context_length == 272_000
matching_agent = _make_direct_start_agent(
cfg,
model="shared-model",
provider="custom",
base_url="HTTPS://LARGE.EXAMPLE:443/v1/",
)
assert matching_agent.context_compressor.config_context_length == 1_048_576
legacy_agent = _make_direct_start_agent(
cfg,
model="shared-model",
provider="custom",
base_url="https://legacy-large.example/v1",
)
assert legacy_agent.context_compressor.config_context_length is None
def test_direct_start_named_custom_provider_key_uses_canonical_slug():
"""Raw, canonical, and prefixed provider keys/names share runtime identity."""
cfg = {
"model": {
"default": "shared-model",
"provider": "custom:Route Key",
"context_length": 1_048_576,
},
"providers": {
"Route Key": {
"name": "Friendly Label",
"api": "https://key.example/v1",
},
"custom:Prefixed Key": {
"name": "custom:Prefixed Label",
"api": "https://prefixed.example/v1",
},
},
}
for configured_provider in (
"custom:Route Key",
"custom:Friendly Label",
"Route Key",
"route-key",
"Friendly Label",
"friendly-label",
):
cfg["model"]["provider"] = configured_provider
agent = _make_direct_start_agent(
cfg,
model="shared-model",
provider="custom",
base_url="https://key.example/v1",
)
assert agent.context_compressor.config_context_length == 1_048_576
for configured_provider in (
"custom:Prefixed Key",
"custom:Prefixed Label",
"custom:custom:Prefixed Key",
"custom:custom:Prefixed Label",
):
cfg["model"]["provider"] = configured_provider
agent = _make_direct_start_agent(
cfg,
model="shared-model",
provider="custom",
base_url="https://prefixed.example/v1",
)
assert agent.context_compressor.config_context_length == 1_048_576
for configured_provider in (
"custom: Prefixed Key",
"custom:\tPrefixed Key",
):
cfg["model"]["provider"] = configured_provider
agent = _make_direct_start_agent(
cfg,
model="shared-model",
provider="custom",
base_url="https://prefixed.example/v1",
)
assert agent.context_compressor.config_context_length is None
def test_direct_start_named_custom_raw_legacy_display_name_matches():
"""Legacy display names accepted by runtime also identify the scoped route."""
cfg = {
"model": {
"default": "shared-model",
"provider": "Legacy Route",
"context_length": 1_048_576,
},
"custom_providers": [
{
"name": "Legacy Route",
"base_url": "https://legacy.example/v1",
}
],
}
agent = _make_direct_start_agent(
cfg,
model="shared-model",
provider="custom",
base_url="https://legacy.example/v1",
)
assert agent.context_compressor.config_context_length == 1_048_576
def test_direct_start_literal_bare_custom_entry_matches_runtime():
"""A providers.custom entry makes bare custom a complete route identity."""
cfg = {
"model": {
"default": "shared-model",
"provider": "custom",
"context_length": 1_048_576,
},
"providers": {
"custom": {
"api": "https://literal.example/v1",
}
},
}
agent = _make_direct_start_agent(
cfg,
model="shared-model",
provider="custom",
base_url="https://literal.example/v1",
)
assert agent.context_compressor.config_context_length == 1_048_576
def test_direct_start_disabled_modern_custom_falls_back_only_to_legacy():
"""Disabled modern entries cannot retain pins, but legacy fallback can."""
cfg = {
"model": {
"default": "shared-model",
"provider": "custom:route-key",
"context_length": 1_048_576,
},
"providers": {
"route-key": {
"name": "Route Key",
"api": "https://disabled.example/v1",
"enabled": False,
}
},
}
disabled_agent = _make_direct_start_agent(
cfg,
model="shared-model",
provider="custom",
base_url="https://disabled.example/v1",
)
assert disabled_agent.context_compressor.config_context_length is None
cfg["custom_providers"] = [
{
"name": "Route Key",
"base_url": "https://legacy.example/v1",
}
]
legacy_agent = _make_direct_start_agent(
cfg,
model="shared-model",
provider="custom",
base_url="https://legacy.example/v1",
)
assert legacy_agent.context_compressor.config_context_length == 1_048_576
def test_direct_start_runtime_first_provider_names_require_explicit_custom_prefix():
"""Auto, MoA, and Vertex routes cannot be shadowed by raw custom names."""
for provider_name in (
"auto",
"moa",
"vertex",
"google-vertex",
"vertex-ai",
"gcp-vertex",
"vertexai",
):
base_url = f"https://{provider_name}.shadow.example/v1"
cfg = {
"model": {
"default": "shared-model",
"provider": provider_name,
"context_length": 1_048_576,
},
"providers": {
provider_name: {
"api": base_url,
}
},
}
raw_agent = _make_direct_start_agent(
cfg,
model="shared-model",
provider="custom",
base_url=base_url,
)
assert raw_agent.context_compressor.config_context_length is None
cfg["model"]["provider"] = f"custom:{provider_name}"
custom_agent = _make_direct_start_agent(
cfg,
model="shared-model",
provider="custom",
base_url=base_url,
)
assert custom_agent.context_compressor.config_context_length == 1_048_576