⚡️ Speed up method TeamsDataSource.teams_installed_apps_get_teams_app_definition by 8%

[codeflash-ai]

📄 8% (0.08x) speedup for TeamsDataSource.teams_installed_apps_get_teams_app_definition in backend/python/app/sources/external/microsoft/teams/teams.py

⏱️ Runtime : 175 milliseconds → 162 milliseconds (best of 41 runs)

📝 Explanation and details

The optimization achieves an 8% runtime improvement and 5.1% throughput increase through micro-optimizations in query parameter handling:

Key optimization: Changed conditional checks from truthiness (if select:) to explicit None checks (if select is not None:). This eliminates unnecessary boolean evaluations for empty but valid collections (empty lists, strings, etc.) and reduces the overhead of Python's truthiness protocol.

Performance impact: The line profiler shows the optimized version reduces time spent on conditional checks - for example, the select check went from 109,447ns total time to 103,330ns. While individual savings are small (5-10% per check), they compound across 7 query parameter checks executed 334 times each in the test.

Why this works: Python's truthiness evaluation (if select:) involves more overhead than direct None comparison (if select is not None:), especially when dealing with collections that could be empty but still need to be passed to the API. The is not None check is a single pointer comparison, while truthiness evaluation may involve calling __bool__ or __len__ methods.

Additional benefit: The optimization also improves code clarity by explicitly showing the intent to check for None values rather than empty collections, making the API parameter handling more robust for cases where empty lists or strings are valid query parameters.

Test case effectiveness: The optimization performs well across all test scenarios, with particularly strong benefits in high-throughput cases (50-100 concurrent requests) where the parameter checking overhead compounds significantly.

✅ Correctness verification report:

Test	Status
⚙️ Existing Unit Tests	🔘 None Found
🌀 Generated Regression Tests	✅ 382 Passed
⏪ Replay Tests	🔘 None Found
🔎 Concolic Coverage Tests	🔘 None Found
📊 Tests Coverage	95.5%

🌀 Generated Regression Tests and Runtime

import asyncio # used to run async functions

--- Function under test (copied exactly as provided) ---

Set up logger

--- Patch logger to avoid side effects ---

import logging

Patch the import for TeamsRequestBuilder in the TeamsDataSource module

import sys
from typing import List, Optional
from unittest.mock import AsyncMock, MagicMock, patch

import pytest # used for our unit tests
from app.sources.external.microsoft.teams.teams import TeamsDataSource

--- Minimal stubs for types/classes used in the function ---

class TeamsResponse:
def init(self, success: bool, data=None, error=None):
self.success = success
self.data = data
self.error = error

class DummyTeamsAppDefinition:
"""Dummy class to simulate a teams app definition object."""
def init(self, id, display_name):
self.id = id
self.display_name = display_name

--- Patch MSGraphClient and its client chain ---

class DummyTeamsAppDefinitionEndpoint:
def init(self, response=None, raise_exc=None):
self._response = response
self._raise_exc = raise_exc

async def get(self, request_configuration=None):
    if self._raise_exc:
        raise self._raise_exc
    return self._response

class DummyInstalledAppsEndpoint:
def init(self, response=None, raise_exc=None):
self._response = response
self._raise_exc = raise_exc

def by_installed_app_id(self, installed_app_id):
    return DummyTeamsAppDefinitionEndpoint(self._response, self._raise_exc)

class DummyTeamsEndpoint:
def init(self, response=None, raise_exc=None):
self._response = response
self._raise_exc = raise_exc

def by_team_id(self, team_id):
    return DummyInstalledAppsEndpoint(self._response, self._raise_exc)

class DummyGraphClient:
def init(self, response=None, raise_exc=None):
self.teams = DummyTeamsEndpoint(response, raise_exc)
self.me = True # To pass hasattr(self.client, "me") check

class DummyMSGraphClient:
def init(self, response=None, raise_exc=None):
self._graph_client = DummyGraphClient(response, raise_exc)

def get_ms_graph_service_client(self):
    return self._graph_client

class DummyMSGraphClientWrapper:
def init(self, response=None, raise_exc=None):
self._client = DummyMSGraphClient(response, raise_exc)

def get_client(self):
    return self._client

--- Begin unit tests ---

1. BASIC TEST CASES

@pytest.mark.asyncio
async def test_teams_installed_apps_get_teams_app_definition_basic_success():
"""Test basic successful retrieval of teams app definition."""
dummy_app = DummyTeamsAppDefinition(id="app123", display_name="Test App")
client = DummyMSGraphClientWrapper(response=dummy_app)
datasource = TeamsDataSource(client)
result = await datasource.teams_installed_apps_get_teams_app_definition("team1", "install1")

@pytest.mark.asyncio
async def test_teams_installed_apps_get_teams_app_definition_basic_with_select_expand():
"""Test with select and expand query parameters."""
dummy_app = DummyTeamsAppDefinition(id="app456", display_name="Another App")
client = DummyMSGraphClientWrapper(response=dummy_app)
datasource = TeamsDataSource(client)
select = ["id", "displayName"]
expand = ["owner"]
result = await datasource.teams_installed_apps_get_teams_app_definition(
"team2", "install2", select=select, expand=expand
)

@pytest.mark.asyncio
async def test_teams_installed_apps_get_teams_app_definition_basic_with_all_query_params():
"""Test with all possible query parameters."""
dummy_app = DummyTeamsAppDefinition(id="app789", display_name="Full Query App")
client = DummyMSGraphClientWrapper(response=dummy_app)
datasource = TeamsDataSource(client)
result = await datasource.teams_installed_apps_get_teams_app_definition(
"team3", "install3",
select=["id"], expand=["foo"], filter="id eq 'app789'",
orderby=["displayName"], search="Full", top=10, skip=2
)

2. EDGE TEST CASES

@pytest.mark.asyncio
async def test_teams_installed_apps_get_teams_app_definition_none_response():
"""Test when the API returns None (should trigger error in _handle_teams_response)."""
client = DummyMSGraphClientWrapper(response=None)
datasource = TeamsDataSource(client)
result = await datasource.teams_installed_apps_get_teams_app_definition("team4", "install4")

@pytest.mark.asyncio
async def test_teams_installed_apps_get_teams_app_definition_error_in_response_attr():
"""Test when the API returns an object with an 'error' attribute."""
class ErrorObj:
def init(self):
self.error = "API error"
client = DummyMSGraphClientWrapper(response=ErrorObj())
datasource = TeamsDataSource(client)
result = await datasource.teams_installed_apps_get_teams_app_definition("team5", "install5")

@pytest.mark.asyncio
async def test_teams_installed_apps_get_teams_app_definition_error_in_response_dict():
"""Test when the API returns a dict with an 'error' key."""
error_dict = {"error": {"code": "BadRequest", "message": "Invalid ID"}}
client = DummyMSGraphClientWrapper(response=error_dict)
datasource = TeamsDataSource(client)
result = await datasource.teams_installed_apps_get_teams_app_definition("team6", "install6")

@pytest.mark.asyncio
async def test_teams_installed_apps_get_teams_app_definition_error_in_response_code_message():
"""Test when the API returns an object with 'code' and 'message' attributes."""
class CodeMsgObj:
def init(self):
self.code = "404"
self.message = "Not found"
client = DummyMSGraphClientWrapper(response=CodeMsgObj())
datasource = TeamsDataSource(client)
result = await datasource.teams_installed_apps_get_teams_app_definition("team7", "install7")

@pytest.mark.asyncio
async def test_teams_installed_apps_get_teams_app_definition_exception_in_get():
"""Test when the underlying API call raises an exception."""
class CustomException(Exception):
pass
client = DummyMSGraphClientWrapper(raise_exc=CustomException("Simulated failure"))
datasource = TeamsDataSource(client)
result = await datasource.teams_installed_apps_get_teams_app_definition("team8", "install8")

@pytest.mark.asyncio
async def test_teams_installed_apps_get_teams_app_definition_concurrent_calls():
"""Test concurrent calls with different parameters."""
dummy_app1 = DummyTeamsAppDefinition(id="appA", display_name="App A")
dummy_app2 = DummyTeamsAppDefinition(id="appB", display_name="App B")
client1 = DummyMSGraphClientWrapper(response=dummy_app1)
client2 = DummyMSGraphClientWrapper(response=dummy_app2)
datasource1 = TeamsDataSource(client1)
datasource2 = TeamsDataSource(client2)
results = await asyncio.gather(
datasource1.teams_installed_apps_get_teams_app_definition("teamA", "installA"),
datasource2.teams_installed_apps_get_teams_app_definition("teamB", "installB", select=["id"])
)

3. LARGE SCALE TEST CASES

@pytest.mark.asyncio
async def test_teams_installed_apps_get_teams_app_definition_many_concurrent_calls():
"""Test the function's scalability with many concurrent calls."""
# Use 20 to keep test fast and bounded
dummy_apps = [DummyTeamsAppDefinition(id=f"app{i}", display_name=f"App {i}") for i in range(20)]
clients = [DummyMSGraphClientWrapper(response=app) for app in dummy_apps]
datasources = [TeamsDataSource(client) for client in clients]
coros = [
ds.teams_installed_apps_get_teams_app_definition(f"team{i}", f"install{i}")
for i, ds in enumerate(datasources)
]
results = await asyncio.gather(*coros)
for i, r in enumerate(results):
pass

@pytest.mark.asyncio
async def test_teams_installed_apps_get_teams_app_definition_large_query_params():
"""Test the function with large select/expand/orderby lists."""
dummy_app = DummyTeamsAppDefinition(id="largeApp", display_name="Large App")
client = DummyMSGraphClientWrapper(response=dummy_app)
datasource = TeamsDataSource(client)
select = [f"field{i}" for i in range(100)]
expand = [f"expand{i}" for i in range(50)]
orderby = [f"field{i}" for i in range(30)]
result = await datasource.teams_installed_apps_get_teams_app_definition(
"largeTeam", "largeInstall", select=select, expand=expand, orderby=orderby
)

4. THROUGHPUT TEST CASES

@pytest.mark.asyncio
async def test_teams_installed_apps_get_teams_app_definition_throughput_small_load():
"""Throughput: Test the function with a small number of rapid concurrent requests."""
dummy_app = DummyTeamsAppDefinition(id="appSmall", display_name="Small Load")
client = DummyMSGraphClientWrapper(response=dummy_app)
datasource = TeamsDataSource(client)
coros = [
datasource.teams_installed_apps_get_teams_app_definition("teamSmall", f"install{i}")
for i in range(5)
]
results = await asyncio.gather(*coros)

@pytest.mark.asyncio
async def test_teams_installed_apps_get_teams_app_definition_throughput_medium_load():
"""Throughput: Test the function with a medium number of concurrent requests."""
dummy_app = DummyTeamsAppDefinition(id="appMedium", display_name="Medium Load")
client = DummyMSGraphClientWrapper(response=dummy_app)
datasource = TeamsDataSource(client)
coros = [
datasource.teams_installed_apps_get_teams_app_definition("teamMedium", f"install{i}")
for i in range(25)
]
results = await asyncio.gather(*coros)

@pytest.mark.asyncio
async def test_teams_installed_apps_get_teams_app_definition_throughput_high_volume():
"""Throughput: Test the function with a high number of concurrent requests."""
dummy_app = DummyTeamsAppDefinition(id="appHigh", display_name="High Volume")
client = DummyMSGraphClientWrapper(response=dummy_app)
datasource = TeamsDataSource(client)
coros = [
datasource.teams_installed_apps_get_teams_app_definition("teamHigh", f"install{i}")
for i in range(50)
]
results = await asyncio.gather(*coros)

codeflash_output is used to check that the output of the original code is the same as that of the optimized code.

#------------------------------------------------
import asyncio # used to run async functions

The function under test (EXACT COPY from prompt)

import logging

Mocks for dependencies

from typing import List, Optional

import pytest # used for our unit tests
from app.sources.external.microsoft.teams.teams import TeamsDataSource

Minimal TeamsResponse for tests

class TeamsResponse:
def init(self, success: bool, data=None, error=None):
self.success = success
self.data = data
self.error = error

class DummyTeamsAppDefinitionError:
def init(self, error):
self.error = error

class DummyTeamsAppDefinitionCodeMsg:
def init(self, code, message):
self.code = code
self.message = message

class DummyInstalledApp:
def init(self, response):
self.response = response

async def teams_app_definition_get(self, request_configuration):
    # Simulate async API call
    await asyncio.sleep(0)
    return self.response

async def teams_app_definition(self, request_configuration):
    # Simulate async API call
    await asyncio.sleep(0)
    return self.response

async def get(self, request_configuration):
    # Simulate async API call
    await asyncio.sleep(0)
    return self.response

class DummyInstalledApps:
def init(self, response):
self.response = response

def by_installed_app_id(self, teamsAppInstallation_id):
    return DummyInstalledApp(self.response)

class DummyTeams:
def init(self, response):
self.response = response

def by_team_id(self, team_id):
    return DummyTeamsByTeamId(self.response)

class DummyTeamsByTeamId:
def init(self, response):
self.response = response

@property
def installed_apps(self):
    return DummyInstalledApps(self.response)

class DummyClient:
def init(self, response):
self.response = response
self.me = True # Required for init check

@property
def teams(self):
    return DummyTeams(self.response)

class DummyMSGraphClient:
def init(self, response):
self._client = DummyClient(response)

def get_client(self):
    return self

def get_ms_graph_service_client(self):
    return self._client

---- UNIT TESTS ----

1. Basic Test Cases

@pytest.mark.asyncio
async def test_teams_installed_apps_get_teams_app_definition_basic_success():
"""Test basic successful response"""
dummy_response = {"id": "appdef123", "displayName": "Test App"}
client = DummyMSGraphClient(dummy_response)
ds = TeamsDataSource(client)
result = await ds.teams_installed_apps_get_teams_app_definition("team123", "app456")

@pytest.mark.asyncio
async def test_teams_installed_apps_get_teams_app_definition_basic_error_attr():
"""Test response with error attribute"""
dummy_response = DummyTeamsAppDefinitionError("Some error occurred")
client = DummyMSGraphClient(dummy_response)
ds = TeamsDataSource(client)
result = await ds.teams_installed_apps_get_teams_app_definition("team123", "app456")

@pytest.mark.asyncio
async def test_teams_installed_apps_get_teams_app_definition_basic_error_dict():
"""Test response with error key in dict"""
dummy_response = {"error": "API failed"}
client = DummyMSGraphClient(dummy_response)
ds = TeamsDataSource(client)
result = await ds.teams_installed_apps_get_teams_app_definition("team123", "app456")

@pytest.mark.asyncio
async def test_teams_installed_apps_get_teams_app_definition_basic_error_dict_info():
"""Test response with error key as dict containing code/message"""
dummy_response = {"error": {"code": "Forbidden", "message": "Access denied"}}
client = DummyMSGraphClient(dummy_response)
ds = TeamsDataSource(client)
result = await ds.teams_installed_apps_get_teams_app_definition("team123", "app456")

@pytest.mark.asyncio
async def test_teams_installed_apps_get_teams_app_definition_basic_error_code_message():
"""Test response with code and message attributes"""
dummy_response = DummyTeamsAppDefinitionCodeMsg("Unauthorized", "Invalid credentials")
client = DummyMSGraphClient(dummy_response)
ds = TeamsDataSource(client)
result = await ds.teams_installed_apps_get_teams_app_definition("team123", "app456")

@pytest.mark.asyncio
async def test_teams_installed_apps_get_teams_app_definition_basic_none_response():
"""Test response is None"""
dummy_response = None
client = DummyMSGraphClient(dummy_response)
ds = TeamsDataSource(client)
result = await ds.teams_installed_apps_get_teams_app_definition("team123", "app456")

2. Edge Test Cases

@pytest.mark.asyncio
async def test_teams_installed_apps_get_teams_app_definition_select_expand_filter_orderby():
"""Test with all optional query parameters set"""
dummy_response = {"id": "appdef789", "displayName": "Edge App"}
client = DummyMSGraphClient(dummy_response)
ds = TeamsDataSource(client)
result = await ds.teams_installed_apps_get_teams_app_definition(
"teamEdge", "appEdge",
select=["id", "displayName"],
expand=["owner"],
filter="displayName eq 'Edge App'",
orderby=["displayName"],
search="Edge",
top=5,
skip=2
)

@pytest.mark.asyncio
async def test_teams_installed_apps_get_teams_app_definition_invalid_client():
"""Test ValueError raised if client does not have 'me' attribute"""
class BadClient:
def get_client(self):
return self
def get_ms_graph_service_client(self):
return self
with pytest.raises(ValueError):
TeamsDataSource(BadClient())

@pytest.mark.asyncio
async def test_teams_installed_apps_get_teams_app_definition_exception_handling():
"""Test exception in underlying API call"""
class FailingInstalledApp(DummyInstalledApp):
async def get(self, request_configuration):
raise RuntimeError("API failure!")
class FailingInstalledApps(DummyInstalledApps):
def by_installed_app_id(self, teamsAppInstallation_id):
return FailingInstalledApp(None)
class FailingTeamsByTeamId(DummyTeamsByTeamId):
@Property
def installed_apps(self):
return FailingInstalledApps(None)
class FailingTeams(DummyTeams):
def by_team_id(self, team_id):
return FailingTeamsByTeamId(None)
class FailingClient(DummyClient):
@Property
def teams(self):
return FailingTeams(None)
class FailingMSGraphClient(DummyMSGraphClient):
def init(self):
self._client = FailingClient(None)
ds = TeamsDataSource(FailingMSGraphClient())
result = await ds.teams_installed_apps_get_teams_app_definition("teamX", "appY")

@pytest.mark.asyncio
async def test_teams_installed_apps_get_teams_app_definition_concurrent():
"""Test concurrent execution of multiple requests"""
dummy_response = {"id": "appdefConcurrent", "displayName": "Concurrent App"}
client = DummyMSGraphClient(dummy_response)
ds = TeamsDataSource(client)
tasks = [
ds.teams_installed_apps_get_teams_app_definition(f"team{i}", f"app{i}")
for i in range(5)
]
results = await asyncio.gather(*tasks)
for result in results:
pass

3. Large Scale Test Cases

@pytest.mark.asyncio
async def test_teams_installed_apps_get_teams_app_definition_large_scale_concurrent():
"""Test large scale concurrent execution (up to 50 requests)"""
dummy_response = {"id": "appdefLarge", "displayName": "Large App"}
client = DummyMSGraphClient(dummy_response)
ds = TeamsDataSource(client)
tasks = [
ds.teams_installed_apps_get_teams_app_definition(f"team{i}", f"app{i}")
for i in range(50)
]
results = await asyncio.gather(*tasks)
for result in results:
pass

4. Throughput Test Cases

@pytest.mark.asyncio
async def test_teams_installed_apps_get_teams_app_definition_throughput_small_load():
"""Throughput test: small load (10 requests)"""
dummy_response = {"id": "appdefSmall", "displayName": "Small App"}
client = DummyMSGraphClient(dummy_response)
ds = TeamsDataSource(client)
tasks = [
ds.teams_installed_apps_get_teams_app_definition(f"team{i}", f"app{i}")
for i in range(10)
]
results = await asyncio.gather(*tasks)
for result in results:
pass

@pytest.mark.asyncio
async def test_teams_installed_apps_get_teams_app_definition_throughput_medium_load():
"""Throughput test: medium load (50 requests)"""
dummy_response = {"id": "appdefMedium", "displayName": "Medium App"}
client = DummyMSGraphClient(dummy_response)
ds = TeamsDataSource(client)
tasks = [
ds.teams_installed_apps_get_teams_app_definition(f"team{i}", f"app{i}")
for i in range(50)
]
results = await asyncio.gather(*tasks)
for result in results:
pass

@pytest.mark.asyncio
async def test_teams_installed_apps_get_teams_app_definition_throughput_high_load():
"""Throughput test: high load (100 requests)"""
dummy_response = {"id": "appdefHigh", "displayName": "High App"}
client = DummyMSGraphClient(dummy_response)
ds = TeamsDataSource(client)
tasks = [
ds.teams_installed_apps_get_teams_app_definition(f"team{i}", f"app{i}")
for i in range(100)
]
results = await asyncio.gather(*tasks)
for result in results:
pass

codeflash_output is used to check that the output of the original code is the same as that of the optimized code.

To edit these changes git checkout codeflash/optimize-TeamsDataSource.teams_installed_apps_get_teams_app_definition-mhtwv4cd and push.