Files
hermes-agent/tests/test_anthropic_adapter.py
teknium1 4068f20ce9 fix(anthropic): deep scan fixes — auth, retries, edge cases
Fixes from comprehensive code review and cross-referencing with
clawdbot/OpenCode implementations:

CRITICAL:
- Add one-shot guard (anthropic_auth_retry_attempted) to prevent
  infinite 401 retry loops when credentials keep changing
- Fix _is_oauth_token(): managed keys from ~/.claude.json are NOT
  regular API keys (don't start with sk-ant-api). Inverted the logic:
  only sk-ant-api* is treated as API key auth, everything else uses
  Bearer auth + oauth beta headers

HIGH:
- Wrap json.loads(args) in try/except in message conversion — malformed
  tool_call arguments no longer crash the entire conversation
- Raise AuthError in runtime_provider when no Anthropic token found
  (was silently passing empty string, causing confusing API errors)
- Remove broken _try_anthropic() from auxiliary vision chain — the
  centralized router creates an OpenAI client for api_key providers
  which doesn't work with Anthropic's Messages API

MEDIUM:
- Handle empty assistant message content — Anthropic rejects empty
  content blocks, now inserts '(empty)' placeholder
- Fix setup.py existing_key logic — set to 'KEEP' sentinel instead
  of None to prevent falling through to the auth choice prompt
- Add debug logging to _fetch_anthropic_models on failure

Tests: 43 adapter tests (2 new for token detection), 3197 total passed
2026-03-12 17:14:22 -07:00

501 lines
18 KiB
Python

"""Tests for agent/anthropic_adapter.py — Anthropic Messages API adapter."""
import json
import time
from types import SimpleNamespace
from unittest.mock import patch, MagicMock
import pytest
from agent.anthropic_adapter import (
_is_oauth_token,
build_anthropic_client,
build_anthropic_kwargs,
convert_messages_to_anthropic,
convert_tools_to_anthropic,
is_claude_code_token_valid,
normalize_anthropic_response,
normalize_model_name,
read_claude_code_credentials,
resolve_anthropic_token,
)
# ---------------------------------------------------------------------------
# Auth helpers
# ---------------------------------------------------------------------------
class TestIsOAuthToken:
def test_setup_token(self):
assert _is_oauth_token("sk-ant-oat01-abcdef1234567890") is True
def test_api_key(self):
assert _is_oauth_token("sk-ant-api03-abcdef1234567890") is False
def test_managed_key(self):
# Managed keys from ~/.claude.json are NOT regular API keys
assert _is_oauth_token("ou1R1z-ft0A-bDeZ9wAA") is True
def test_jwt_token(self):
# JWTs from OAuth flow
assert _is_oauth_token("eyJhbGciOiJSUzI1NiJ9.test") is True
def test_empty(self):
assert _is_oauth_token("") is False
class TestBuildAnthropicClient:
def test_setup_token_uses_auth_token(self):
with patch("agent.anthropic_adapter._anthropic_sdk") as mock_sdk:
build_anthropic_client("sk-ant-oat01-" + "x" * 60)
kwargs = mock_sdk.Anthropic.call_args[1]
assert "auth_token" in kwargs
betas = kwargs["default_headers"]["anthropic-beta"]
assert "oauth-2025-04-20" in betas
assert "interleaved-thinking-2025-05-14" in betas
assert "fine-grained-tool-streaming-2025-05-14" in betas
assert "api_key" not in kwargs
def test_api_key_uses_api_key(self):
with patch("agent.anthropic_adapter._anthropic_sdk") as mock_sdk:
build_anthropic_client("sk-ant-api03-something")
kwargs = mock_sdk.Anthropic.call_args[1]
assert kwargs["api_key"] == "sk-ant-api03-something"
assert "auth_token" not in kwargs
# API key auth should still get common betas
betas = kwargs["default_headers"]["anthropic-beta"]
assert "interleaved-thinking-2025-05-14" in betas
assert "oauth-2025-04-20" not in betas # OAuth-only beta NOT present
def test_custom_base_url(self):
with patch("agent.anthropic_adapter._anthropic_sdk") as mock_sdk:
build_anthropic_client("sk-ant-api03-x", base_url="https://custom.api.com")
kwargs = mock_sdk.Anthropic.call_args[1]
assert kwargs["base_url"] == "https://custom.api.com"
class TestReadClaudeCodeCredentials:
def test_reads_valid_credentials(self, tmp_path, monkeypatch):
cred_file = tmp_path / ".claude" / ".credentials.json"
cred_file.parent.mkdir(parents=True)
cred_file.write_text(json.dumps({
"claudeAiOauth": {
"accessToken": "sk-ant-oat01-test-token",
"refreshToken": "sk-ant-ort01-refresh",
"expiresAt": int(time.time() * 1000) + 3600_000,
}
}))
monkeypatch.setattr("agent.anthropic_adapter.Path.home", lambda: tmp_path)
creds = read_claude_code_credentials()
assert creds is not None
assert creds["accessToken"] == "sk-ant-oat01-test-token"
assert creds["refreshToken"] == "sk-ant-ort01-refresh"
def test_returns_none_for_missing_file(self, tmp_path, monkeypatch):
monkeypatch.setattr("agent.anthropic_adapter.Path.home", lambda: tmp_path)
assert read_claude_code_credentials() is None
def test_returns_none_for_missing_oauth_key(self, tmp_path, monkeypatch):
cred_file = tmp_path / ".claude" / ".credentials.json"
cred_file.parent.mkdir(parents=True)
cred_file.write_text(json.dumps({"someOtherKey": {}}))
monkeypatch.setattr("agent.anthropic_adapter.Path.home", lambda: tmp_path)
assert read_claude_code_credentials() is None
def test_returns_none_for_empty_access_token(self, tmp_path, monkeypatch):
cred_file = tmp_path / ".claude" / ".credentials.json"
cred_file.parent.mkdir(parents=True)
cred_file.write_text(json.dumps({
"claudeAiOauth": {"accessToken": "", "refreshToken": "x"}
}))
monkeypatch.setattr("agent.anthropic_adapter.Path.home", lambda: tmp_path)
assert read_claude_code_credentials() is None
class TestIsClaudeCodeTokenValid:
def test_valid_token(self):
creds = {"accessToken": "tok", "expiresAt": int(time.time() * 1000) + 3600_000}
assert is_claude_code_token_valid(creds) is True
def test_expired_token(self):
creds = {"accessToken": "tok", "expiresAt": int(time.time() * 1000) - 3600_000}
assert is_claude_code_token_valid(creds) is False
def test_no_expiry_but_has_token(self):
creds = {"accessToken": "tok", "expiresAt": 0}
assert is_claude_code_token_valid(creds) is True
class TestResolveAnthropicToken:
def test_prefers_api_key(self, monkeypatch):
monkeypatch.setenv("ANTHROPIC_API_KEY", "sk-ant-api03-mykey")
monkeypatch.setenv("ANTHROPIC_TOKEN", "sk-ant-oat01-mytoken")
assert resolve_anthropic_token() == "sk-ant-api03-mykey"
def test_falls_back_to_token(self, monkeypatch):
monkeypatch.delenv("ANTHROPIC_API_KEY", raising=False)
monkeypatch.setenv("ANTHROPIC_TOKEN", "sk-ant-oat01-mytoken")
assert resolve_anthropic_token() == "sk-ant-oat01-mytoken"
def test_returns_none_with_no_creds(self, monkeypatch, tmp_path):
monkeypatch.delenv("ANTHROPIC_API_KEY", raising=False)
monkeypatch.delenv("ANTHROPIC_TOKEN", raising=False)
monkeypatch.delenv("CLAUDE_CODE_OAUTH_TOKEN", raising=False)
monkeypatch.setattr("agent.anthropic_adapter.Path.home", lambda: tmp_path)
assert resolve_anthropic_token() is None
# ---------------------------------------------------------------------------
# Model name normalization
# ---------------------------------------------------------------------------
class TestNormalizeModelName:
def test_strips_anthropic_prefix(self):
assert normalize_model_name("anthropic/claude-sonnet-4-20250514") == "claude-sonnet-4-20250514"
def test_leaves_bare_name(self):
assert normalize_model_name("claude-sonnet-4-20250514") == "claude-sonnet-4-20250514"
# ---------------------------------------------------------------------------
# Tool conversion
# ---------------------------------------------------------------------------
class TestConvertTools:
def test_converts_openai_to_anthropic_format(self):
tools = [
{
"type": "function",
"function": {
"name": "search",
"description": "Search the web",
"parameters": {
"type": "object",
"properties": {"query": {"type": "string"}},
"required": ["query"],
},
},
}
]
result = convert_tools_to_anthropic(tools)
assert len(result) == 1
assert result[0]["name"] == "search"
assert result[0]["description"] == "Search the web"
assert result[0]["input_schema"]["properties"]["query"]["type"] == "string"
def test_empty_tools(self):
assert convert_tools_to_anthropic([]) == []
assert convert_tools_to_anthropic(None) == []
# ---------------------------------------------------------------------------
# Message conversion
# ---------------------------------------------------------------------------
class TestConvertMessages:
def test_extracts_system_prompt(self):
messages = [
{"role": "system", "content": "You are helpful."},
{"role": "user", "content": "Hello"},
]
system, result = convert_messages_to_anthropic(messages)
assert system == "You are helpful."
assert len(result) == 1
assert result[0]["role"] == "user"
def test_converts_tool_calls(self):
messages = [
{
"role": "assistant",
"content": "Let me search.",
"tool_calls": [
{
"id": "tc_1",
"function": {
"name": "search",
"arguments": '{"query": "test"}',
},
}
],
},
{"role": "tool", "tool_call_id": "tc_1", "content": "search results"},
]
_, result = convert_messages_to_anthropic(messages)
blocks = result[0]["content"]
assert blocks[0] == {"type": "text", "text": "Let me search."}
assert blocks[1]["type"] == "tool_use"
assert blocks[1]["id"] == "tc_1"
assert blocks[1]["input"] == {"query": "test"}
def test_converts_tool_results(self):
messages = [
{"role": "tool", "tool_call_id": "tc_1", "content": "result data"},
]
_, result = convert_messages_to_anthropic(messages)
assert result[0]["role"] == "user"
assert result[0]["content"][0]["type"] == "tool_result"
assert result[0]["content"][0]["tool_use_id"] == "tc_1"
def test_merges_consecutive_tool_results(self):
messages = [
{"role": "tool", "tool_call_id": "tc_1", "content": "result 1"},
{"role": "tool", "tool_call_id": "tc_2", "content": "result 2"},
]
_, result = convert_messages_to_anthropic(messages)
assert len(result) == 1
assert len(result[0]["content"]) == 2
def test_strips_orphaned_tool_use(self):
messages = [
{
"role": "assistant",
"content": "",
"tool_calls": [
{"id": "tc_orphan", "function": {"name": "x", "arguments": "{}"}}
],
},
{"role": "user", "content": "never mind"},
]
_, result = convert_messages_to_anthropic(messages)
# tc_orphan has no matching tool_result, should be stripped
assistant_blocks = result[0]["content"]
assert all(b.get("type") != "tool_use" for b in assistant_blocks)
def test_system_with_cache_control(self):
messages = [
{
"role": "system",
"content": [
{"type": "text", "text": "System prompt", "cache_control": {"type": "ephemeral"}},
],
},
{"role": "user", "content": "Hi"},
]
system, result = convert_messages_to_anthropic(messages)
# When cache_control is present, system should be a list of blocks
assert isinstance(system, list)
assert system[0]["cache_control"] == {"type": "ephemeral"}
# ---------------------------------------------------------------------------
# Build kwargs
# ---------------------------------------------------------------------------
class TestBuildAnthropicKwargs:
def test_basic_kwargs(self):
messages = [
{"role": "system", "content": "Be helpful."},
{"role": "user", "content": "Hi"},
]
kwargs = build_anthropic_kwargs(
model="claude-sonnet-4-20250514",
messages=messages,
tools=None,
max_tokens=4096,
reasoning_config=None,
)
assert kwargs["model"] == "claude-sonnet-4-20250514"
assert kwargs["system"] == "Be helpful."
assert kwargs["max_tokens"] == 4096
assert "tools" not in kwargs
def test_strips_anthropic_prefix(self):
kwargs = build_anthropic_kwargs(
model="anthropic/claude-sonnet-4-20250514",
messages=[{"role": "user", "content": "Hi"}],
tools=None,
max_tokens=4096,
reasoning_config=None,
)
assert kwargs["model"] == "claude-sonnet-4-20250514"
def test_reasoning_config_maps_to_thinking(self):
kwargs = build_anthropic_kwargs(
model="claude-sonnet-4-20250514",
messages=[{"role": "user", "content": "think hard"}],
tools=None,
max_tokens=4096,
reasoning_config={"enabled": True, "effort": "high"},
)
assert kwargs["thinking"]["type"] == "enabled"
assert kwargs["thinking"]["budget_tokens"] == 16000
assert kwargs["max_tokens"] >= 16000 + 4096
def test_reasoning_disabled(self):
kwargs = build_anthropic_kwargs(
model="claude-sonnet-4-20250514",
messages=[{"role": "user", "content": "quick"}],
tools=None,
max_tokens=4096,
reasoning_config={"enabled": False},
)
assert "thinking" not in kwargs
def test_default_max_tokens(self):
kwargs = build_anthropic_kwargs(
model="claude-sonnet-4-20250514",
messages=[{"role": "user", "content": "Hi"}],
tools=None,
max_tokens=None,
reasoning_config=None,
)
assert kwargs["max_tokens"] == 16384
# ---------------------------------------------------------------------------
# Response normalization
# ---------------------------------------------------------------------------
class TestNormalizeResponse:
def _make_response(self, content_blocks, stop_reason="end_turn"):
resp = SimpleNamespace()
resp.content = content_blocks
resp.stop_reason = stop_reason
resp.usage = SimpleNamespace(input_tokens=100, output_tokens=50)
return resp
def test_text_response(self):
block = SimpleNamespace(type="text", text="Hello world")
msg, reason = normalize_anthropic_response(self._make_response([block]))
assert msg.content == "Hello world"
assert reason == "stop"
assert msg.tool_calls is None
def test_tool_use_response(self):
blocks = [
SimpleNamespace(type="text", text="Searching..."),
SimpleNamespace(
type="tool_use",
id="tc_1",
name="search",
input={"query": "test"},
),
]
msg, reason = normalize_anthropic_response(
self._make_response(blocks, "tool_use")
)
assert msg.content == "Searching..."
assert reason == "tool_calls"
assert len(msg.tool_calls) == 1
assert msg.tool_calls[0].function.name == "search"
assert json.loads(msg.tool_calls[0].function.arguments) == {"query": "test"}
def test_thinking_response(self):
blocks = [
SimpleNamespace(type="thinking", thinking="Let me reason about this..."),
SimpleNamespace(type="text", text="The answer is 42."),
]
msg, reason = normalize_anthropic_response(self._make_response(blocks))
assert msg.content == "The answer is 42."
assert msg.reasoning == "Let me reason about this..."
def test_stop_reason_mapping(self):
block = SimpleNamespace(type="text", text="x")
_, r1 = normalize_anthropic_response(
self._make_response([block], "end_turn")
)
_, r2 = normalize_anthropic_response(
self._make_response([block], "tool_use")
)
_, r3 = normalize_anthropic_response(
self._make_response([block], "max_tokens")
)
assert r1 == "stop"
assert r2 == "tool_calls"
assert r3 == "length"
def test_no_text_content(self):
block = SimpleNamespace(
type="tool_use", id="tc_1", name="search", input={"q": "hi"}
)
msg, reason = normalize_anthropic_response(
self._make_response([block], "tool_use")
)
assert msg.content is None
assert len(msg.tool_calls) == 1
# ---------------------------------------------------------------------------
# Role alternation
# ---------------------------------------------------------------------------
class TestRoleAlternation:
def test_merges_consecutive_user_messages(self):
messages = [
{"role": "user", "content": "Hello"},
{"role": "user", "content": "World"},
]
_, result = convert_messages_to_anthropic(messages)
assert len(result) == 1
assert result[0]["role"] == "user"
assert "Hello" in result[0]["content"]
assert "World" in result[0]["content"]
def test_preserves_proper_alternation(self):
messages = [
{"role": "user", "content": "Hi"},
{"role": "assistant", "content": "Hello!"},
{"role": "user", "content": "How are you?"},
]
_, result = convert_messages_to_anthropic(messages)
assert len(result) == 3
assert [m["role"] for m in result] == ["user", "assistant", "user"]
# ---------------------------------------------------------------------------
# Tool choice
# ---------------------------------------------------------------------------
class TestToolChoice:
_DUMMY_TOOL = [
{
"type": "function",
"function": {
"name": "test",
"description": "x",
"parameters": {"type": "object", "properties": {}},
},
}
]
def test_auto_tool_choice(self):
kwargs = build_anthropic_kwargs(
model="claude-sonnet-4-20250514",
messages=[{"role": "user", "content": "Hi"}],
tools=self._DUMMY_TOOL,
max_tokens=4096,
reasoning_config=None,
tool_choice="auto",
)
assert kwargs["tool_choice"] == {"type": "auto"}
def test_required_tool_choice(self):
kwargs = build_anthropic_kwargs(
model="claude-sonnet-4-20250514",
messages=[{"role": "user", "content": "Hi"}],
tools=self._DUMMY_TOOL,
max_tokens=4096,
reasoning_config=None,
tool_choice="required",
)
assert kwargs["tool_choice"] == {"type": "any"}
def test_specific_tool_choice(self):
kwargs = build_anthropic_kwargs(
model="claude-sonnet-4-20250514",
messages=[{"role": "user", "content": "Hi"}],
tools=self._DUMMY_TOOL,
max_tokens=4096,
reasoning_config=None,
tool_choice="search",
)
assert kwargs["tool_choice"] == {"type": "tool", "name": "search"}