Files
agent-framework/python/packages/azure-ai-search/tests/test_aisearch_context_provider.py
T
Tao Chen df58775d64 Python: Improve Azure AI Search package test coverage (#4019)
* Improve Azure AI Search package test coverage

* Fix pipeline error
2026-02-17 23:19:58 +00:00

1295 lines
52 KiB
Python

# Copyright (c) Microsoft. All rights reserved.
# pyright: reportPrivateUsage=false
import os
from types import SimpleNamespace
from unittest.mock import AsyncMock, Mock, patch
import pytest
from agent_framework import Message
from agent_framework._sessions import AgentSession, SessionContext
from agent_framework.exceptions import ServiceInitializationError, SettingNotFoundError
from azure.core.credentials import AzureKeyCredential
from agent_framework_azure_ai_search._context_provider import AzureAISearchContextProvider
# -- Helpers -------------------------------------------------------------------
class MockSearchResults:
"""Async-iterable mock for Azure SearchClient.search() results."""
def __init__(self, docs: list[dict]):
self._docs = docs
self._index = 0
def __aiter__(self):
return self
async def __anext__(self):
if self._index >= len(self._docs):
raise StopAsyncIteration
doc = self._docs[self._index]
self._index += 1
return doc
def _make_mock_index(
fields: list[SimpleNamespace] | None = None,
profiles: list[SimpleNamespace] | None = None,
has_vector_search: bool = True,
) -> SimpleNamespace:
"""Create a mock search index with the given fields and vector search profiles."""
vector_search = None
if has_vector_search:
vector_search = SimpleNamespace(profiles=profiles or [])
return SimpleNamespace(fields=fields or [], vector_search=vector_search)
@pytest.fixture
def mock_search_client() -> AsyncMock:
"""Create a mock SearchClient that returns one document."""
client = AsyncMock()
async def _search(**kwargs):
return MockSearchResults([{"id": "doc1", "content": "test document"}])
client.search = AsyncMock(side_effect=_search)
return client
@pytest.fixture
def mock_search_client_empty() -> AsyncMock:
"""Create a mock SearchClient that returns no results."""
client = AsyncMock()
async def _search(**kwargs):
return MockSearchResults([])
client.search = AsyncMock(side_effect=_search)
return client
def _make_provider(**overrides) -> AzureAISearchContextProvider:
"""Create a semantic-mode provider with mocked internals (skips auto-discovery)."""
defaults = {
"source_id": AzureAISearchContextProvider.DEFAULT_SOURCE_ID,
"endpoint": "https://test.search.windows.net",
"index_name": "test-index",
"api_key": "test-key",
}
defaults.update(overrides)
provider = AzureAISearchContextProvider(**defaults)
provider._auto_discovered_vector_field = True # skip auto-discovery
return provider
# -- Initialization: semantic mode ---------------------------------------------
class TestInitSemantic:
"""Initialization tests for semantic mode."""
def test_valid_init(self) -> None:
provider = _make_provider()
assert provider.source_id == AzureAISearchContextProvider.DEFAULT_SOURCE_ID
assert provider.endpoint == "https://test.search.windows.net"
assert provider.index_name == "test-index"
assert provider.mode == "semantic"
def test_source_id_set(self) -> None:
provider = _make_provider(source_id="my-source")
assert provider.source_id == "my-source"
def test_missing_endpoint_raises(self) -> None:
with patch.dict(os.environ, {}, clear=True), pytest.raises(SettingNotFoundError, match="endpoint"):
AzureAISearchContextProvider(
source_id="s",
endpoint=None,
index_name="idx",
api_key="key",
)
def test_missing_index_name_semantic_raises(self) -> None:
with pytest.raises(SettingNotFoundError, match="index_name"):
AzureAISearchContextProvider(
source_id="s",
endpoint="https://test.search.windows.net",
index_name=None,
api_key="key",
)
def test_env_variable_fallback(self) -> None:
env = {
"AZURE_SEARCH_ENDPOINT": "https://env.search.windows.net",
"AZURE_SEARCH_INDEX_NAME": "env-index",
"AZURE_SEARCH_API_KEY": "env-key",
}
with patch.dict(os.environ, env, clear=False):
provider = AzureAISearchContextProvider(source_id="env-test")
assert provider.endpoint == "https://env.search.windows.net"
assert provider.index_name == "env-index"
def test_top_k_and_semantic_config(self) -> None:
provider = _make_provider(top_k=10, semantic_configuration_name="my-config")
assert provider.top_k == 10
assert provider.semantic_configuration_name == "my-config"
def test_default_context_prompt(self) -> None:
provider = _make_provider()
assert provider.context_prompt == AzureAISearchContextProvider._DEFAULT_SEARCH_CONTEXT_PROMPT
def test_custom_context_prompt(self) -> None:
provider = _make_provider(context_prompt="Custom prompt:")
assert provider.context_prompt == "Custom prompt:"
def test_model_name_falls_back_to_deployment_name(self) -> None:
"""model_name defaults to model_deployment_name when not explicitly set."""
provider = _make_provider(model_deployment_name="my-deploy")
assert provider.model_name == "my-deploy"
def test_model_name_explicit(self) -> None:
provider = _make_provider(model_deployment_name="deploy", model_name="gpt-4")
assert provider.model_name == "gpt-4"
# -- Initialization: credential resolution ------------------------------------
class TestInitCredentialResolution:
"""Tests for credential resolution paths."""
def test_token_credential_used(self) -> None:
mock_cred = AsyncMock()
provider = AzureAISearchContextProvider(
endpoint="https://test.search.windows.net",
index_name="idx",
credential=mock_cred,
)
provider._auto_discovered_vector_field = True
assert provider.credential is mock_cred
def test_azure_key_credential_passed_through(self) -> None:
akc = AzureKeyCredential("my-key")
provider = AzureAISearchContextProvider(
endpoint="https://test.search.windows.net",
index_name="idx",
api_key=akc,
)
provider._auto_discovered_vector_field = True
assert provider.credential is akc
def test_no_credential_raises(self) -> None:
with pytest.raises(ServiceInitializationError, match="Azure credential is required"):
AzureAISearchContextProvider(
endpoint="https://test.search.windows.net",
index_name="idx",
)
# -- Initialization: agentic mode validation -----------------------------------
class TestInitAgenticValidation:
"""Initialization validation tests for agentic mode."""
def test_both_index_and_kb_raises(self) -> None:
with pytest.raises(SettingNotFoundError, match="multiple were set"):
AzureAISearchContextProvider(
source_id="s",
endpoint="https://test.search.windows.net",
index_name="idx",
knowledge_base_name="kb",
api_key="key",
mode="agentic",
model_deployment_name="deploy",
azure_openai_resource_url="https://aoai.openai.azure.com",
)
def test_neither_index_nor_kb_raises(self) -> None:
with pytest.raises(SettingNotFoundError, match="none was set"):
AzureAISearchContextProvider(
source_id="s",
endpoint="https://test.search.windows.net",
api_key="key",
mode="agentic",
)
def test_missing_model_deployment_name_raises(self) -> None:
with pytest.raises(ServiceInitializationError, match="model_deployment_name"):
AzureAISearchContextProvider(
source_id="s",
endpoint="https://test.search.windows.net",
index_name="idx",
api_key="key",
mode="agentic",
azure_openai_resource_url="https://aoai.openai.azure.com",
)
def test_vector_field_without_embedding_raises(self) -> None:
with pytest.raises(ValueError, match="embedding_function"):
AzureAISearchContextProvider(
source_id="s",
endpoint="https://test.search.windows.net",
index_name="idx",
api_key="key",
vector_field_name="embedding",
)
def test_agentic_missing_aoai_url_with_index_raises(self) -> None:
with pytest.raises(ValueError, match="azure_openai_resource_url"):
AzureAISearchContextProvider(
source_id="s",
endpoint="https://test.search.windows.net",
index_name="idx",
api_key="key",
mode="agentic",
model_deployment_name="deploy",
)
def test_agentic_with_kb_name_sets_use_existing(self) -> None:
provider = AzureAISearchContextProvider(
source_id="s",
endpoint="https://test.search.windows.net",
knowledge_base_name="my-kb",
api_key="key",
mode="agentic",
)
assert provider._use_existing_knowledge_base is True
assert provider.knowledge_base_name == "my-kb"
def test_agentic_with_index_generates_kb_name(self) -> None:
provider = AzureAISearchContextProvider(
source_id="s",
endpoint="https://test.search.windows.net",
index_name="idx",
api_key="key",
mode="agentic",
model_deployment_name="deploy",
azure_openai_resource_url="https://aoai.openai.azure.com",
)
assert provider._use_existing_knowledge_base is False
assert provider.knowledge_base_name == "idx-kb"
# -- __aenter__ / __aexit__ ---------------------------------------------------
class TestAsyncContextManager:
"""Tests for async context manager."""
async def test_aenter_returns_self(self) -> None:
provider = _make_provider()
result = await provider.__aenter__()
assert result is provider
async def test_closes_retrieval_client(self) -> None:
provider = _make_provider()
mock_retrieval = AsyncMock()
provider._retrieval_client = mock_retrieval
await provider.__aexit__(None, None, None)
mock_retrieval.close.assert_awaited_once()
assert provider._retrieval_client is None
async def test_no_retrieval_client_no_error(self) -> None:
provider = _make_provider()
assert provider._retrieval_client is None
await provider.__aexit__(None, None, None) # should not raise
# -- before_run: semantic mode -------------------------------------------------
class TestBeforeRunSemantic:
"""Tests for before_run in semantic mode."""
async def test_results_added_to_context(self, mock_search_client: AsyncMock) -> None:
provider = _make_provider()
provider._search_client = mock_search_client
session = AgentSession(session_id="test-session")
ctx = SessionContext(
input_messages=[Message(role="user", contents=["test query"])],
session_id="s1",
)
await provider.before_run(
agent=None, session=session, context=ctx, state=session.state.setdefault(provider.source_id, {})
) # type: ignore[arg-type]
mock_search_client.search.assert_awaited_once()
msgs = ctx.context_messages.get(provider.source_id, [])
assert len(msgs) >= 2 # context_prompt + at least one result
assert msgs[0].text == provider.context_prompt
async def test_empty_input_no_search(self, mock_search_client: AsyncMock) -> None:
provider = _make_provider()
provider._search_client = mock_search_client
session = AgentSession(session_id="test-session")
ctx = SessionContext(input_messages=[], session_id="s1")
await provider.before_run(
agent=None, session=session, context=ctx, state=session.state.setdefault(provider.source_id, {})
) # type: ignore[arg-type]
mock_search_client.search.assert_not_awaited()
assert ctx.context_messages.get(provider.source_id) is None
async def test_no_results_no_messages(self, mock_search_client_empty: AsyncMock) -> None:
provider = _make_provider()
provider._search_client = mock_search_client_empty
session = AgentSession(session_id="test-session")
ctx = SessionContext(
input_messages=[Message(role="user", contents=["test query"])],
session_id="s1",
)
await provider.before_run(
agent=None, session=session, context=ctx, state=session.state.setdefault(provider.source_id, {})
) # type: ignore[arg-type]
mock_search_client_empty.search.assert_awaited_once()
assert ctx.context_messages.get(provider.source_id) is None
async def test_context_prompt_prepended(self, mock_search_client: AsyncMock) -> None:
custom_prompt = "Custom search context:"
provider = _make_provider(context_prompt=custom_prompt)
provider._search_client = mock_search_client
session = AgentSession(session_id="test-session")
ctx = SessionContext(
input_messages=[Message(role="user", contents=["test query"])],
session_id="s1",
)
await provider.before_run(
agent=None, session=session, context=ctx, state=session.state.setdefault(provider.source_id, {})
) # type: ignore[arg-type]
msgs = ctx.context_messages[provider.source_id]
assert msgs[0].text == custom_prompt
# -- before_run: message filtering ---------------------------------------------
class TestBeforeRunFiltering:
"""Tests that only user/assistant messages are used for search."""
async def test_filters_non_user_assistant(self, mock_search_client: AsyncMock) -> None:
provider = _make_provider()
provider._search_client = mock_search_client
session = AgentSession(session_id="test-session")
ctx = SessionContext(
input_messages=[
Message(role="system", contents=["system prompt"]),
Message(role="user", contents=["actual question"]),
],
session_id="s1",
)
await provider.before_run(
agent=None, session=session, context=ctx, state=session.state.setdefault(provider.source_id, {})
) # type: ignore[arg-type]
mock_search_client.search.assert_awaited_once()
call_kwargs = mock_search_client.search.call_args[1]
# The search text should contain only the user message, not the system message
assert "actual question" in call_kwargs["search_text"]
assert "system prompt" not in call_kwargs["search_text"]
async def test_only_system_messages_no_search(self, mock_search_client: AsyncMock) -> None:
provider = _make_provider()
provider._search_client = mock_search_client
session = AgentSession(session_id="test-session")
ctx = SessionContext(
input_messages=[Message(role="system", contents=["system prompt"])],
session_id="s1",
)
await provider.before_run(
agent=None, session=session, context=ctx, state=session.state.setdefault(provider.source_id, {})
) # type: ignore[arg-type]
mock_search_client.search.assert_not_awaited()
async def test_whitespace_only_messages_filtered(self, mock_search_client: AsyncMock) -> None:
provider = _make_provider()
provider._search_client = mock_search_client
session = AgentSession(session_id="test-session")
ctx = SessionContext(
input_messages=[Message(role="user", contents=[" "])],
session_id="s1",
)
await provider.before_run(
agent=None, session=session, context=ctx, state=session.state.setdefault(provider.source_id, {})
) # type: ignore[arg-type]
mock_search_client.search.assert_not_awaited()
async def test_assistant_messages_included(self, mock_search_client: AsyncMock) -> None:
provider = _make_provider()
provider._search_client = mock_search_client
session = AgentSession(session_id="test-session")
ctx = SessionContext(
input_messages=[
Message(role="user", contents=["first question"]),
Message(role="assistant", contents=["first answer"]),
Message(role="user", contents=["follow up"]),
],
session_id="s1",
)
await provider.before_run(
agent=None, session=session, context=ctx, state=session.state.setdefault(provider.source_id, {})
) # type: ignore[arg-type]
call_kwargs = mock_search_client.search.call_args[1]
assert "first question" in call_kwargs["search_text"]
assert "first answer" in call_kwargs["search_text"]
assert "follow up" in call_kwargs["search_text"]
# -- _find_vector_fields -------------------------------------------------------
class TestFindVectorFields:
"""Tests for _find_vector_fields helper."""
def test_finds_fields_with_dimensions(self) -> None:
provider = _make_provider()
index = _make_mock_index(
fields=[
SimpleNamespace(name="embedding", vector_search_dimensions=1536),
SimpleNamespace(name="content", vector_search_dimensions=None),
SimpleNamespace(name="title", vector_search_dimensions=0),
]
)
result = provider._find_vector_fields(index)
assert result == ["embedding"]
def test_returns_empty_for_no_vector_fields(self) -> None:
provider = _make_provider()
index = _make_mock_index(
fields=[
SimpleNamespace(name="content", vector_search_dimensions=None),
SimpleNamespace(name="title", vector_search_dimensions=0),
]
)
result = provider._find_vector_fields(index)
assert result == []
def test_multiple_vector_fields(self) -> None:
provider = _make_provider()
index = _make_mock_index(
fields=[
SimpleNamespace(name="emb1", vector_search_dimensions=768),
SimpleNamespace(name="emb2", vector_search_dimensions=1536),
]
)
result = provider._find_vector_fields(index)
assert result == ["emb1", "emb2"]
# -- _find_vectorizable_fields ------------------------------------------------
class TestFindVectorizableFields:
"""Tests for _find_vectorizable_fields helper."""
def test_finds_vectorizable_fields(self) -> None:
provider = _make_provider()
profiles = [SimpleNamespace(name="profile1", vectorizer_name="my-vectorizer")]
fields = [
SimpleNamespace(name="embedding", vector_search_dimensions=1536, vector_search_profile_name="profile1"),
]
index = _make_mock_index(fields=fields, profiles=profiles)
result = provider._find_vectorizable_fields(index, ["embedding"])
assert result == ["embedding"]
def test_returns_empty_when_no_vector_search(self) -> None:
provider = _make_provider()
index = _make_mock_index(has_vector_search=False)
result = provider._find_vectorizable_fields(index, ["embedding"])
assert result == []
def test_returns_empty_when_no_profiles(self) -> None:
provider = _make_provider()
index = _make_mock_index(profiles=None)
index.vector_search = SimpleNamespace(profiles=None)
result = provider._find_vectorizable_fields(index, ["embedding"])
assert result == []
def test_field_not_in_vector_fields_excluded(self) -> None:
provider = _make_provider()
profiles = [SimpleNamespace(name="profile1", vectorizer_name="my-vectorizer")]
fields = [
SimpleNamespace(name="other_field", vector_search_dimensions=1536, vector_search_profile_name="profile1"),
]
index = _make_mock_index(fields=fields, profiles=profiles)
result = provider._find_vectorizable_fields(index, ["embedding"])
assert result == []
def test_profile_without_vectorizer_not_included(self) -> None:
provider = _make_provider()
profiles = [SimpleNamespace(name="profile1", vectorizer_name=None)]
fields = [
SimpleNamespace(name="embedding", vector_search_dimensions=1536, vector_search_profile_name="profile1"),
]
index = _make_mock_index(fields=fields, profiles=profiles)
result = provider._find_vectorizable_fields(index, ["embedding"])
assert result == []
def test_field_without_profile_name_excluded(self) -> None:
provider = _make_provider()
profiles = [SimpleNamespace(name="profile1", vectorizer_name="my-vectorizer")]
fields = [
SimpleNamespace(name="embedding", vector_search_dimensions=1536, vector_search_profile_name=None),
]
index = _make_mock_index(fields=fields, profiles=profiles)
result = provider._find_vectorizable_fields(index, ["embedding"])
assert result == []
# -- _auto_discover_vector_field -----------------------------------------------
class TestAutoDiscoverVectorField:
"""Tests for _auto_discover_vector_field."""
async def test_skip_if_already_discovered(self) -> None:
provider = _make_provider()
provider._auto_discovered_vector_field = True
await provider._auto_discover_vector_field()
# No error, no side effects
async def test_skip_if_vector_field_set(self) -> None:
provider = _make_provider()
provider._auto_discovered_vector_field = False
provider.vector_field_name = "my_field"
await provider._auto_discover_vector_field()
# Should return immediately
async def test_no_index_name_warns(self) -> None:
provider = _make_provider()
provider._auto_discovered_vector_field = False
provider.index_name = None
provider._index_client = AsyncMock()
await provider._auto_discover_vector_field()
assert provider._auto_discovered_vector_field is True
async def test_no_vector_fields_sets_flag(self) -> None:
provider = _make_provider()
provider._auto_discovered_vector_field = False
mock_index_client = AsyncMock()
mock_index_client.get_index.return_value = _make_mock_index(
fields=[SimpleNamespace(name="content", vector_search_dimensions=None)]
)
provider._index_client = mock_index_client
await provider._auto_discover_vector_field()
assert provider._auto_discovered_vector_field is True
assert provider.vector_field_name is None
async def test_single_vectorizable_field_discovered(self) -> None:
provider = _make_provider()
provider._auto_discovered_vector_field = False
profiles = [SimpleNamespace(name="profile1", vectorizer_name="my-vectorizer")]
fields = [
SimpleNamespace(name="embedding", vector_search_dimensions=1536, vector_search_profile_name="profile1"),
]
mock_index_client = AsyncMock()
mock_index_client.get_index.return_value = _make_mock_index(fields=fields, profiles=profiles)
provider._index_client = mock_index_client
await provider._auto_discover_vector_field()
assert provider.vector_field_name == "embedding"
assert provider._use_vectorizable_query is True
assert provider._auto_discovered_vector_field is True
async def test_multiple_vectorizable_fields_warns(self) -> None:
provider = _make_provider()
provider._auto_discovered_vector_field = False
profiles = [
SimpleNamespace(name="profile1", vectorizer_name="v1"),
SimpleNamespace(name="profile2", vectorizer_name="v2"),
]
fields = [
SimpleNamespace(name="emb1", vector_search_dimensions=768, vector_search_profile_name="profile1"),
SimpleNamespace(name="emb2", vector_search_dimensions=1536, vector_search_profile_name="profile2"),
]
mock_index_client = AsyncMock()
mock_index_client.get_index.return_value = _make_mock_index(fields=fields, profiles=profiles)
provider._index_client = mock_index_client
await provider._auto_discover_vector_field()
assert provider._auto_discovered_vector_field is True
# vector_field_name should not be set when multiple found
assert provider.vector_field_name is None
async def test_single_vector_field_without_embedding_clears_field(self) -> None:
provider = _make_provider()
provider._auto_discovered_vector_field = False
provider.embedding_function = None
fields = [
SimpleNamespace(name="embedding", vector_search_dimensions=1536, vector_search_profile_name=None),
]
mock_index_client = AsyncMock()
mock_index_client.get_index.return_value = _make_mock_index(fields=fields, profiles=[])
provider._index_client = mock_index_client
await provider._auto_discover_vector_field()
assert provider._auto_discovered_vector_field is True
assert provider.vector_field_name is None
async def test_single_vector_field_with_embedding_function(self) -> None:
provider = _make_provider()
provider._auto_discovered_vector_field = False
provider.embedding_function = AsyncMock(return_value=[0.1] * 1536)
fields = [
SimpleNamespace(name="embedding", vector_search_dimensions=1536, vector_search_profile_name=None),
]
mock_index_client = AsyncMock()
mock_index_client.get_index.return_value = _make_mock_index(fields=fields, profiles=[])
provider._index_client = mock_index_client
await provider._auto_discover_vector_field()
assert provider.vector_field_name == "embedding"
assert provider._use_vectorizable_query is False
async def test_multiple_vector_fields_no_vectorizable_warns(self) -> None:
provider = _make_provider()
provider._auto_discovered_vector_field = False
fields = [
SimpleNamespace(name="emb1", vector_search_dimensions=768, vector_search_profile_name=None),
SimpleNamespace(name="emb2", vector_search_dimensions=1536, vector_search_profile_name=None),
]
mock_index_client = AsyncMock()
mock_index_client.get_index.return_value = _make_mock_index(fields=fields, profiles=[])
provider._index_client = mock_index_client
await provider._auto_discover_vector_field()
assert provider._auto_discovered_vector_field is True
assert provider.vector_field_name is None
async def test_exception_falls_back_to_keyword_search(self) -> None:
provider = _make_provider()
provider._auto_discovered_vector_field = False
mock_index_client = AsyncMock()
mock_index_client.get_index.side_effect = Exception("network error")
provider._index_client = mock_index_client
await provider._auto_discover_vector_field()
assert provider._auto_discovered_vector_field is True
async def test_creates_index_client_if_none(self) -> None:
provider = _make_provider()
provider._auto_discovered_vector_field = False
provider._index_client = None
with patch("agent_framework_azure_ai_search._context_provider.SearchIndexClient") as mock_cls:
mock_client = AsyncMock()
mock_client.get_index.return_value = _make_mock_index(
fields=[SimpleNamespace(name="content", vector_search_dimensions=None)]
)
mock_cls.return_value = mock_client
await provider._auto_discover_vector_field()
mock_cls.assert_called_once()
assert provider._auto_discovered_vector_field is True
# -- _semantic_search ----------------------------------------------------------
class TestSemanticSearch:
"""Tests for _semantic_search method."""
async def test_basic_keyword_search(self) -> None:
provider = _make_provider()
mock_client = AsyncMock()
async def _search(**kwargs):
return MockSearchResults([{"id": "d1", "content": "result text"}])
mock_client.search = AsyncMock(side_effect=_search)
provider._search_client = mock_client
results = await provider._semantic_search("test query")
assert len(results) == 1
assert "result text" in results[0]
call_kwargs = mock_client.search.call_args[1]
assert call_kwargs["search_text"] == "test query"
async def test_vectorizable_text_query(self) -> None:
provider = _make_provider()
provider._use_vectorizable_query = True
provider.vector_field_name = "embedding"
mock_client = AsyncMock()
async def _search(**kwargs):
return MockSearchResults([{"id": "d1", "content": "vector result"}])
mock_client.search = AsyncMock(side_effect=_search)
provider._search_client = mock_client
results = await provider._semantic_search("vector query")
assert len(results) == 1
call_kwargs = mock_client.search.call_args[1]
assert "vector_queries" in call_kwargs
assert len(call_kwargs["vector_queries"]) == 1
async def test_vectorized_query_with_embedding_function(self) -> None:
provider = _make_provider()
provider._use_vectorizable_query = False
provider.vector_field_name = "embedding"
provider.embedding_function = AsyncMock(return_value=[0.1, 0.2, 0.3])
mock_client = AsyncMock()
async def _search(**kwargs):
return MockSearchResults([{"id": "d1", "content": "embed result"}])
mock_client.search = AsyncMock(side_effect=_search)
provider._search_client = mock_client
results = await provider._semantic_search("embed query")
assert len(results) == 1
provider.embedding_function.assert_awaited_once_with("embed query")
call_kwargs = mock_client.search.call_args[1]
assert "vector_queries" in call_kwargs
async def test_semantic_configuration_params(self) -> None:
provider = _make_provider(semantic_configuration_name="my-semantic-config")
mock_client = AsyncMock()
async def _search(**kwargs):
return MockSearchResults([{"id": "d1", "content": "semantic result"}])
mock_client.search = AsyncMock(side_effect=_search)
provider._search_client = mock_client
await provider._semantic_search("sem query")
call_kwargs = mock_client.search.call_args[1]
assert call_kwargs["query_type"] == "semantic"
assert call_kwargs["semantic_configuration_name"] == "my-semantic-config"
assert "query_caption" in call_kwargs
async def test_vector_k_with_semantic_config(self) -> None:
provider = _make_provider(semantic_configuration_name="sc", top_k=3)
provider._use_vectorizable_query = True
provider.vector_field_name = "embedding"
mock_client = AsyncMock()
async def _search(**kwargs):
return MockSearchResults([])
mock_client.search = AsyncMock(side_effect=_search)
provider._search_client = mock_client
await provider._semantic_search("query")
call_kwargs = mock_client.search.call_args[1]
assert "vector_queries" in call_kwargs
assert len(call_kwargs["vector_queries"]) == 1
async def test_no_search_client_raises(self) -> None:
provider = _make_provider()
provider._search_client = None
with pytest.raises(RuntimeError, match="Search client is not initialized"):
await provider._semantic_search("query")
async def test_empty_results_returns_empty_list(self) -> None:
provider = _make_provider()
mock_client = AsyncMock()
async def _search(**kwargs):
return MockSearchResults([])
mock_client.search = AsyncMock(side_effect=_search)
provider._search_client = mock_client
results = await provider._semantic_search("query")
assert results == []
async def test_doc_without_text_excluded(self) -> None:
provider = _make_provider()
mock_client = AsyncMock()
async def _search(**kwargs):
# doc with only @search metadata and id - no extractable text
return MockSearchResults([{"id": "d1", "@search.score": 0.9}])
mock_client.search = AsyncMock(side_effect=_search)
provider._search_client = mock_client
results = await provider._semantic_search("query")
assert results == []
# -- _extract_document_text ----------------------------------------------------
class TestExtractDocumentText:
"""Tests for _extract_document_text."""
def test_content_field_extracted(self) -> None:
provider = _make_provider()
result = provider._extract_document_text({"content": "Hello world"}, doc_id="d1")
assert result == "[Source: d1] Hello world"
def test_text_field_extracted(self) -> None:
provider = _make_provider()
result = provider._extract_document_text({"text": "Some text"}, doc_id="d1")
assert result == "[Source: d1] Some text"
def test_description_field_extracted(self) -> None:
provider = _make_provider()
result = provider._extract_document_text({"description": "A description"}, doc_id="d1")
assert result == "[Source: d1] A description"
def test_body_field_extracted(self) -> None:
provider = _make_provider()
result = provider._extract_document_text({"body": "Body content"}, doc_id="d1")
assert result == "[Source: d1] Body content"
def test_chunk_field_extracted(self) -> None:
provider = _make_provider()
result = provider._extract_document_text({"chunk": "Chunk data"}, doc_id="d1")
assert result == "[Source: d1] Chunk data"
def test_content_field_priority(self) -> None:
provider = _make_provider()
result = provider._extract_document_text(
{"content": "Primary", "text": "Secondary", "description": "Tertiary"}, doc_id="d1"
)
assert result == "[Source: d1] Primary"
def test_fallback_to_string_fields(self) -> None:
provider = _make_provider()
result = provider._extract_document_text(
{"title": "My Title", "summary": "My Summary", "id": "skip-this", "@search.score": "skip-meta"},
doc_id="d1",
)
assert "title: My Title" in result
assert "summary: My Summary" in result
assert "id" not in result.split("] ")[1] # id should be excluded from fallback
assert "@search.score" not in result
def test_empty_doc_returns_empty(self) -> None:
provider = _make_provider()
result = provider._extract_document_text({})
assert result == ""
def test_no_doc_id_returns_text_only(self) -> None:
provider = _make_provider()
result = provider._extract_document_text({"content": "Hello"}, doc_id=None)
assert result == "Hello"
def test_search_id_fallback(self) -> None:
"""Test that doc results using @search.id work too (via before_run path)."""
provider = _make_provider()
result = provider._extract_document_text({"content": "data"}, doc_id="alt-id")
assert result == "[Source: alt-id] data"
def test_only_id_and_metadata_returns_empty(self) -> None:
provider = _make_provider()
result = provider._extract_document_text({"id": "d1", "@search.score": 0.9})
assert result == ""
def test_non_string_values_excluded_from_fallback(self) -> None:
provider = _make_provider()
result = provider._extract_document_text({"count": 42, "tags": ["a", "b"]}, doc_id="d1")
# Non-string values should not appear in fallback
assert result == ""
# -- _ensure_knowledge_base ---------------------------------------------------
class TestEnsureKnowledgeBase:
"""Tests for _ensure_knowledge_base."""
async def test_already_initialized_returns_early(self) -> None:
provider = _make_provider()
provider._knowledge_base_initialized = True
await provider._ensure_knowledge_base() # should not raise
async def test_missing_kb_name_raises(self) -> None:
provider = _make_provider()
provider._knowledge_base_initialized = False
provider.knowledge_base_name = None
with pytest.raises(ValueError, match="knowledge_base_name is required"):
await provider._ensure_knowledge_base()
async def test_existing_kb_sets_initialized(self) -> None:
provider = _make_provider()
provider._knowledge_base_initialized = False
provider._use_existing_knowledge_base = True
provider.knowledge_base_name = "existing-kb"
with patch("agent_framework_azure_ai_search._context_provider.KnowledgeBaseRetrievalClient") as mock_cls:
mock_cls.return_value = AsyncMock()
await provider._ensure_knowledge_base()
assert provider._knowledge_base_initialized is True
async def test_missing_index_client_raises(self) -> None:
provider = _make_provider()
provider._knowledge_base_initialized = False
provider._use_existing_knowledge_base = False
provider.knowledge_base_name = "test-kb"
provider._index_client = None
with pytest.raises(ValueError, match="Index client is required"):
await provider._ensure_knowledge_base()
async def test_missing_aoai_url_raises(self) -> None:
provider = _make_provider()
provider._knowledge_base_initialized = False
provider._use_existing_knowledge_base = False
provider.knowledge_base_name = "test-kb"
provider._index_client = AsyncMock()
provider.azure_openai_resource_url = None
with pytest.raises(ValueError, match="azure_openai_resource_url is required"):
await provider._ensure_knowledge_base()
async def test_missing_deployment_name_raises(self) -> None:
provider = _make_provider()
provider._knowledge_base_initialized = False
provider._use_existing_knowledge_base = False
provider.knowledge_base_name = "test-kb"
provider._index_client = AsyncMock()
provider.azure_openai_resource_url = "https://aoai.openai.azure.com"
provider.azure_openai_deployment_name = None
with pytest.raises(ValueError, match="model_deployment_name is required"):
await provider._ensure_knowledge_base()
async def test_missing_index_name_raises(self) -> None:
provider = _make_provider()
provider._knowledge_base_initialized = False
provider._use_existing_knowledge_base = False
provider.knowledge_base_name = "test-kb"
provider._index_client = AsyncMock()
provider.azure_openai_resource_url = "https://aoai.openai.azure.com"
provider.azure_openai_deployment_name = "deploy"
provider.index_name = None
with pytest.raises(ValueError, match="index_name is required"):
await provider._ensure_knowledge_base()
async def test_creates_knowledge_source_when_not_found(self) -> None:
from azure.core.exceptions import ResourceNotFoundError
provider = _make_provider()
provider._knowledge_base_initialized = False
provider._use_existing_knowledge_base = False
provider.knowledge_base_name = "test-kb"
provider.azure_openai_resource_url = "https://aoai.openai.azure.com"
provider.azure_openai_deployment_name = "deploy"
provider.model_name = "gpt-4"
provider.index_name = "test-index"
mock_index_client = AsyncMock()
mock_index_client.get_knowledge_source.side_effect = ResourceNotFoundError("not found")
mock_index_client.create_knowledge_source = AsyncMock()
mock_index_client.create_or_update_knowledge_base = AsyncMock()
provider._index_client = mock_index_client
with patch("agent_framework_azure_ai_search._context_provider.KnowledgeBaseRetrievalClient") as mock_cls:
mock_cls.return_value = AsyncMock()
await provider._ensure_knowledge_base()
mock_index_client.create_knowledge_source.assert_awaited_once()
mock_index_client.create_or_update_knowledge_base.assert_awaited_once()
assert provider._knowledge_base_initialized is True
async def test_uses_existing_knowledge_source(self) -> None:
provider = _make_provider()
provider._knowledge_base_initialized = False
provider._use_existing_knowledge_base = False
provider.knowledge_base_name = "test-kb"
provider.azure_openai_resource_url = "https://aoai.openai.azure.com"
provider.azure_openai_deployment_name = "deploy"
provider.model_name = "gpt-4"
provider.index_name = "test-index"
mock_index_client = AsyncMock()
mock_index_client.get_knowledge_source.return_value = Mock() # source already exists
mock_index_client.create_or_update_knowledge_base = AsyncMock()
provider._index_client = mock_index_client
with patch("agent_framework_azure_ai_search._context_provider.KnowledgeBaseRetrievalClient") as mock_cls:
mock_cls.return_value = AsyncMock()
await provider._ensure_knowledge_base()
mock_index_client.create_knowledge_source.assert_not_awaited()
mock_index_client.create_or_update_knowledge_base.assert_awaited_once()
async def test_answer_synthesis_output_mode(self) -> None:
provider = _make_provider()
provider._knowledge_base_initialized = False
provider._use_existing_knowledge_base = False
provider.knowledge_base_name = "test-kb"
provider.azure_openai_resource_url = "https://aoai.openai.azure.com"
provider.azure_openai_deployment_name = "deploy"
provider.model_name = "gpt-4"
provider.index_name = "test-index"
provider.knowledge_base_output_mode = "answer_synthesis"
mock_index_client = AsyncMock()
mock_index_client.get_knowledge_source.return_value = Mock()
mock_index_client.create_or_update_knowledge_base = AsyncMock()
provider._index_client = mock_index_client
with patch("agent_framework_azure_ai_search._context_provider.KnowledgeBaseRetrievalClient") as mock_cls:
mock_cls.return_value = AsyncMock()
await provider._ensure_knowledge_base()
assert provider._knowledge_base_initialized is True
async def test_medium_reasoning_effort(self) -> None:
provider = _make_provider()
provider._knowledge_base_initialized = False
provider._use_existing_knowledge_base = False
provider.knowledge_base_name = "test-kb"
provider.azure_openai_resource_url = "https://aoai.openai.azure.com"
provider.azure_openai_deployment_name = "deploy"
provider.model_name = "gpt-4"
provider.index_name = "test-index"
provider.retrieval_reasoning_effort = "medium"
mock_index_client = AsyncMock()
mock_index_client.get_knowledge_source.return_value = Mock()
mock_index_client.create_or_update_knowledge_base = AsyncMock()
provider._index_client = mock_index_client
with patch("agent_framework_azure_ai_search._context_provider.KnowledgeBaseRetrievalClient") as mock_cls:
mock_cls.return_value = AsyncMock()
await provider._ensure_knowledge_base()
assert provider._knowledge_base_initialized is True
# -- _agentic_search ----------------------------------------------------------
class TestAgenticSearch:
"""Tests for _agentic_search."""
async def test_no_retrieval_client_raises(self) -> None:
provider = _make_provider()
provider._knowledge_base_initialized = True
provider.knowledge_base_name = "kb"
provider._retrieval_client = None
with pytest.raises(RuntimeError, match="Retrieval client not initialized"):
await provider._agentic_search([Message(role="user", contents=["query"])])
async def test_minimal_reasoning_returns_results(self) -> None:
provider = _make_provider()
provider._knowledge_base_initialized = True
provider.knowledge_base_name = "kb"
provider.retrieval_reasoning_effort = "minimal"
mock_content = Mock()
mock_content.text = "Answer text"
mock_message = Mock()
mock_message.content = [mock_content]
mock_result = Mock()
mock_result.response = [mock_message]
mock_retrieval = AsyncMock()
mock_retrieval.retrieve = AsyncMock(return_value=mock_result)
provider._retrieval_client = mock_retrieval
# Patch isinstance check for KnowledgeBaseMessageTextContent
with patch(
"agent_framework_azure_ai_search._context_provider.KnowledgeBaseMessageTextContent",
type(mock_content),
):
results = await provider._agentic_search([Message(role="user", contents=["test query"])])
assert results == ["Answer text"]
async def test_non_minimal_reasoning_uses_messages(self) -> None:
provider = _make_provider()
provider._knowledge_base_initialized = True
provider.knowledge_base_name = "kb"
provider.retrieval_reasoning_effort = "medium"
mock_content = Mock()
mock_content.text = "Medium answer"
mock_message = Mock()
mock_message.content = [mock_content]
mock_result = Mock()
mock_result.response = [mock_message]
mock_retrieval = AsyncMock()
mock_retrieval.retrieve = AsyncMock(return_value=mock_result)
provider._retrieval_client = mock_retrieval
with patch(
"agent_framework_azure_ai_search._context_provider.KnowledgeBaseMessageTextContent",
type(mock_content),
):
results = await provider._agentic_search([
Message(role="user", contents=["question"]),
Message(role="assistant", contents=["answer"]),
])
assert results == ["Medium answer"]
mock_retrieval.retrieve.assert_awaited_once()
async def test_no_response_returns_default_message(self) -> None:
provider = _make_provider()
provider._knowledge_base_initialized = True
provider.knowledge_base_name = "kb"
provider.retrieval_reasoning_effort = "minimal"
mock_result = Mock()
mock_result.response = []
mock_retrieval = AsyncMock()
mock_retrieval.retrieve = AsyncMock(return_value=mock_result)
provider._retrieval_client = mock_retrieval
results = await provider._agentic_search([Message(role="user", contents=["query"])])
assert results == ["No results found from Knowledge Base."]
async def test_empty_content_returns_default_message(self) -> None:
provider = _make_provider()
provider._knowledge_base_initialized = True
provider.knowledge_base_name = "kb"
provider.retrieval_reasoning_effort = "minimal"
mock_message = Mock()
mock_message.content = None
mock_result = Mock()
mock_result.response = [mock_message]
mock_retrieval = AsyncMock()
mock_retrieval.retrieve = AsyncMock(return_value=mock_result)
provider._retrieval_client = mock_retrieval
results = await provider._agentic_search([Message(role="user", contents=["query"])])
assert results == ["No results found from Knowledge Base."]
async def test_answer_synthesis_output_mode(self) -> None:
provider = _make_provider()
provider._knowledge_base_initialized = True
provider.knowledge_base_name = "kb"
provider.retrieval_reasoning_effort = "low"
provider.knowledge_base_output_mode = "answer_synthesis"
mock_content = Mock()
mock_content.text = "Synthesized answer"
mock_message = Mock()
mock_message.content = [mock_content]
mock_result = Mock()
mock_result.response = [mock_message]
mock_retrieval = AsyncMock()
mock_retrieval.retrieve = AsyncMock(return_value=mock_result)
provider._retrieval_client = mock_retrieval
with patch(
"agent_framework_azure_ai_search._context_provider.KnowledgeBaseMessageTextContent",
type(mock_content),
):
results = await provider._agentic_search([Message(role="user", contents=["query"])])
assert results == ["Synthesized answer"]
async def test_content_without_text_excluded(self) -> None:
provider = _make_provider()
provider._knowledge_base_initialized = True
provider.knowledge_base_name = "kb"
provider.retrieval_reasoning_effort = "minimal"
mock_content_with_text = Mock()
mock_content_with_text.text = "Good content"
mock_content_no_text = Mock()
mock_content_no_text.text = None
mock_message = Mock()
mock_message.content = [mock_content_no_text, mock_content_with_text]
mock_result = Mock()
mock_result.response = [mock_message]
mock_retrieval = AsyncMock()
mock_retrieval.retrieve = AsyncMock(return_value=mock_result)
provider._retrieval_client = mock_retrieval
with patch(
"agent_framework_azure_ai_search._context_provider.KnowledgeBaseMessageTextContent",
type(mock_content_with_text),
):
results = await provider._agentic_search([Message(role="user", contents=["query"])])
assert results == ["Good content"]
async def test_none_response_returns_default_message(self) -> None:
provider = _make_provider()
provider._knowledge_base_initialized = True
provider.knowledge_base_name = "kb"
provider.retrieval_reasoning_effort = "minimal"
mock_result = Mock()
mock_result.response = None
mock_retrieval = AsyncMock()
mock_retrieval.retrieve = AsyncMock(return_value=mock_result)
provider._retrieval_client = mock_retrieval
results = await provider._agentic_search([Message(role="user", contents=["query"])])
assert results == ["No results found from Knowledge Base."]
# -- before_run: agentic mode --------------------------------------------------
class TestBeforeRunAgentic:
"""Tests for before_run in agentic mode."""
async def test_agentic_mode_calls_agentic_search(self) -> None:
provider = _make_provider()
provider.mode = "agentic"
provider.agentic_message_history_count = 5
provider._knowledge_base_initialized = True
provider.knowledge_base_name = "kb"
mock_content = Mock()
mock_content.text = "agentic result"
mock_message = Mock()
mock_message.content = [mock_content]
mock_result = Mock()
mock_result.response = [mock_message]
mock_retrieval = AsyncMock()
mock_retrieval.retrieve = AsyncMock(return_value=mock_result)
provider._retrieval_client = mock_retrieval
session = AgentSession(session_id="test-session")
ctx = SessionContext(
input_messages=[Message(role="user", contents=["agentic question"])],
session_id="s1",
)
with patch(
"agent_framework_azure_ai_search._context_provider.KnowledgeBaseMessageTextContent",
type(mock_content),
):
await provider.before_run(
agent=None, session=session, context=ctx, state=session.state.setdefault(provider.source_id, {})
) # type: ignore[arg-type]
msgs = ctx.context_messages.get(provider.source_id, [])
assert len(msgs) >= 2
assert msgs[0].text == provider.context_prompt
assert msgs[1].text == "agentic result"