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|
# -------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for
# license information.
# --------------------------------------------------------------------------
import pytest
import time
from unittest.mock import patch, call
from azure.appconfiguration.provider.aio._async_client_manager import AsyncConfigurationClientManager
class MockClient:
def __init__(self, endpoint, connection_string, credential, retry_total, retry_backoff):
self.endpoint = endpoint
self.connection_string = connection_string
self.credential = credential
self.retry_total = retry_total
self.retry_backoff = retry_backoff
@pytest.mark.usefixtures("caplog")
class TestAsyncConfigurationClientManager:
@pytest.mark.asyncio
@patch("azure.appconfiguration.provider.aio._async_client_manager.find_auto_failover_endpoints")
@patch(
"azure.appconfiguration.provider.aio._async_client_manager._AsyncConfigurationClientWrapper.from_connection_string"
)
async def test_create_client_manager_connection_string(self, mock_client, mock_update_failover_endpoints):
endpoint = "https://fake.endpoint"
# No connection string or credential was provided
with pytest.raises(ValueError) as ex:
AsyncConfigurationClientManager(None, endpoint, None, "", 0, 0, True, 0, 0, False)
assert (
str(ex.exception) == "Please pass either endpoint and credential, or a connection string with a value."
)
mock_update_failover_endpoints.assert_not_called()
mock_client.assert_not_called()
connection_string = "Endpoint=https://fake.endpoint/;Id=fake_id;Secret=fake_secret"
mock_update_failover_endpoints.reset_mock()
mock_client.reset_mock()
# No auto failover endpoints found
mock_update_failover_endpoints.return_value = []
manager = AsyncConfigurationClientManager(connection_string, endpoint, None, "", 0, 0, True, 0, 0, False)
await manager.refresh_clients()
assert len(manager._replica_clients) == 1
mock_update_failover_endpoints.assert_called_once_with(endpoint, True)
mock_client.assert_called_once_with(endpoint, connection_string, "", 0, 0)
@pytest.mark.asyncio
@patch("azure.appconfiguration.provider.aio._async_client_manager.find_auto_failover_endpoints")
@patch(
"azure.appconfiguration.provider.aio._async_client_manager._AsyncConfigurationClientWrapper.from_connection_string"
)
async def test_failover_create_client_manager_connection_string(self, mock_client, mock_update_failover_endpoints):
endpoint = "https://fake.endpoint"
connection_string = "Endpoint=https://fake.endpoint/;Id=fake_id;Secret=fake_secret"
# A single auto failover endpoint found
mock_update_failover_endpoints.return_value = ["https://fake.endpoint2"]
manager = AsyncConfigurationClientManager(connection_string, endpoint, None, "", 0, 0, True, 0, 0, False)
await manager.refresh_clients()
int = 0
while len(manager._replica_clients) < 2:
if int > 30:
break
time.sleep(1)
int += 1
assert len(manager._replica_clients) == 2
mock_update_failover_endpoints.assert_called_once_with(endpoint, True)
connection_string2 = "Endpoint=https://fake.endpoint2/;Id=fake_id;Secret=fake_secret"
mock_client.assert_has_calls(
[
call(endpoint, connection_string, "", 0, 0),
call().endpoint.__eq__("https://fake.endpoint2"),
call("https://fake.endpoint2", connection_string2, "", 0, 0),
]
)
@pytest.mark.asyncio
@patch("azure.appconfiguration.provider.aio._async_client_manager.find_auto_failover_endpoints")
@patch("azure.appconfiguration.provider.aio._async_client_manager._AsyncConfigurationClientWrapper.from_credential")
async def test_create_client_manager_endpoint(self, mock_client, mock_update_failover_endpoints):
endpoint = "https://fake.endpoint"
# No connection string or credential was provided
with pytest.raises(ValueError) as ex:
AsyncConfigurationClientManager(None, endpoint, None, "", 0, 0, True, 0, 0, False)
assert (
str(ex.exception) == "Please pass either endpoint and credential, or a connection string with a value."
)
mock_update_failover_endpoints.assert_not_called()
mock_client.assert_not_called()
mock_update_failover_endpoints.reset_mock()
mock_client.reset_mock()
# No auto failover endpoints found
mock_update_failover_endpoints.return_value = []
manager = AsyncConfigurationClientManager(None, endpoint, "fake-credential", "", 0, 0, True, 0, 0, False)
await manager.refresh_clients()
assert len(manager._replica_clients) == 1
mock_update_failover_endpoints.assert_called_once_with(endpoint, True)
mock_client.assert_called_once_with(endpoint, "fake-credential", "", 0, 0)
@pytest.mark.asyncio
@patch("azure.appconfiguration.provider.aio._async_client_manager.find_auto_failover_endpoints")
@patch("azure.appconfiguration.provider.aio._async_client_manager._AsyncConfigurationClientWrapper.from_credential")
@pytest.mark.asyncio
async def test_create_client_manager_endpoint_failover(self, mock_client, mock_update_failover_endpoints):
endpoint = "https://fake.endpoint"
# A single auto failover endpoint found
mock_update_failover_endpoints.return_value = ["https://fake.endpoint2"]
manager = AsyncConfigurationClientManager(None, endpoint, "fake-credential", "", 0, 0, True, 0, 0, False)
await manager.refresh_clients()
int = 0
while len(manager._replica_clients) < 2:
if int > 30:
break
time.sleep(1)
int += 1
assert len(manager._replica_clients) == 2
mock_update_failover_endpoints.assert_called_once_with(endpoint, True)
mock_client.assert_has_calls(
[
call(endpoint, "fake-credential", "", 0, 0),
call().endpoint.__eq__("https://fake.endpoint2"),
call("https://fake.endpoint2", "fake-credential", "", 0, 0),
]
)
@pytest.mark.asyncio
@patch("azure.appconfiguration.provider.aio._async_client_manager.find_auto_failover_endpoints")
@patch("azure.appconfiguration.provider.aio._async_client_manager._AsyncConfigurationClientWrapper.from_credential")
@pytest.mark.asyncio
async def test_refresh_clients_credential(self, mock_client, mock_update_failover_endpoints):
endpoint = "https://fake.endpoint"
mock_client.return_value = MockClient("https://fake.endpoint", "", "fake-credential", 0, 0)
mock_update_failover_endpoints.return_value = []
manager = AsyncConfigurationClientManager(None, endpoint, "fake-credential", "", 0, 0, True, 0, 0, False)
manager_disabled_refresh = AsyncConfigurationClientManager(
None, endpoint, "fake-credential", "", 0, 0, False, 0, 0, False
)
# Reset the mocks as they are called during initialization
mock_update_failover_endpoints.reset_mock()
mock_client.reset_mock()
# Refresh period reached but disabled
mock_update_failover_endpoints.reset_mock()
mock_client.reset_mock()
await manager_disabled_refresh.refresh_clients()
mock_update_failover_endpoints.assert_not_called()
mock_client.assert_not_called()
mock_update_failover_endpoints.reset_mock()
mock_client.reset_mock()
# No auto failover endpoints found
mock_update_failover_endpoints.return_value = []
manager._next_update_time = 0
await manager.refresh_clients()
mock_update_failover_endpoints.assert_called_once_with(endpoint, True)
mock_client.assert_not_called()
mock_update_failover_endpoints.reset_mock()
mock_client.reset_mock()
# A single auto failover endpoint found
mock_update_failover_endpoints.return_value = ["https://fake.endpoint2"]
mock_client.return_value = MockClient("https://fake.endpoint2", "", "fake-credential", 0, 0)
manager._next_update_time = 0
await manager.refresh_clients()
mock_update_failover_endpoints.assert_called_once_with(endpoint, True)
assert len(manager._replica_clients) == 2
mock_client.assert_called_once_with("https://fake.endpoint2", "fake-credential", "", 0, 0)
mock_update_failover_endpoints.reset_mock()
mock_client.reset_mock()
# No new auto failover endpoints found
mock_update_failover_endpoints.return_value = ["https://fake.endpoint2"]
manager._next_update_time = 0
await manager.refresh_clients()
mock_update_failover_endpoints.assert_called_once_with(endpoint, True)
assert len(manager._replica_clients) == 2
mock_client.assert_not_called()
mock_update_failover_endpoints.reset_mock()
mock_client.reset_mock()
# An additional auto failover endpoint found
mock_update_failover_endpoints.return_value = ["https://fake.endpoint2", "https://fake.endpoint3"]
mock_client.return_value = MockClient("https://fake.endpoint3", "", "fake-credential", 0, 0)
manager._next_update_time = 0
await manager.refresh_clients()
mock_update_failover_endpoints.assert_called_once_with(endpoint, True)
assert len(manager._replica_clients) == 3
mock_client.assert_called_once_with("https://fake.endpoint3", "fake-credential", "", 0, 0)
mock_update_failover_endpoints.reset_mock()
mock_client.reset_mock()
# A replica no longer exists
mock_update_failover_endpoints.return_value = ["https://fake.endpoint3"]
manager._next_update_time = 0
await manager.refresh_clients()
mock_update_failover_endpoints.assert_called_once_with(endpoint, True)
assert len(manager._replica_clients) == 2
mock_client.assert_not_called()
@pytest.mark.asyncio
@patch("azure.appconfiguration.provider.aio._async_client_manager.find_auto_failover_endpoints")
@patch(
"azure.appconfiguration.provider.aio._async_client_manager._AsyncConfigurationClientWrapper.from_connection_string"
)
async def test_refresh_clients_connection_string(self, mock_client, mock_update_failover_endpoints):
endpoint = "https://fake.endpoint"
mock_client.return_value = MockClient(
"https://fake.endpoint", "Endpoint=https://fake.endpoint/;Id=fake_id;Secret=fake_secret", None, 0, 0
)
mock_update_failover_endpoints.return_value = []
manager = AsyncConfigurationClientManager(
"Endpoint=https://fake.endpoint/;Id=fake_id;Secret=fake_secret", endpoint, None, "", 0, 0, True, 0, 0, False
)
manager_disabled_refresh = AsyncConfigurationClientManager(
"Endpoint=https://fake.endpoint/;Id=fake_id;Secret=fake_secret",
endpoint,
None,
"",
0,
0,
False,
0,
0,
False,
)
# Reset the mocks as they are called during initialization
mock_update_failover_endpoints.reset_mock()
mock_client.reset_mock()
# Refresh period reached but disabled
mock_update_failover_endpoints.reset_mock()
mock_client.reset_mock()
await manager_disabled_refresh.refresh_clients()
mock_update_failover_endpoints.assert_not_called()
mock_client.assert_not_called()
mock_update_failover_endpoints.reset_mock()
mock_client.reset_mock()
# No auto failover endpoints found
mock_update_failover_endpoints.return_value = []
manager._next_update_time = 0
await manager.refresh_clients()
mock_update_failover_endpoints.assert_called_once_with(endpoint, True)
mock_client.assert_not_called()
mock_update_failover_endpoints.reset_mock()
mock_client.reset_mock()
# A single auto failover endpoint found
mock_update_failover_endpoints.return_value = ["https://fake.endpoint2"]
mock_client.return_value = MockClient(
"https://fake.endpoint2", "Endpoint=https://fake.endpoint/;Id=fake_id;Secret=fake_secret", None, 0, 0
)
manager._next_update_time = 0
await manager.refresh_clients()
mock_update_failover_endpoints.assert_called_once_with(endpoint, True)
assert len(manager._replica_clients) == 2
mock_client.assert_called_once_with(
"https://fake.endpoint2", "Endpoint=https://fake.endpoint2/;Id=fake_id;Secret=fake_secret", "", 0, 0
)
mock_update_failover_endpoints.reset_mock()
mock_client.reset_mock()
# No new auto failover endpoints found
mock_update_failover_endpoints.return_value = ["https://fake.endpoint2"]
manager._next_update_time = 0
await manager.refresh_clients()
mock_update_failover_endpoints.assert_called_once_with(endpoint, True)
assert len(manager._replica_clients) == 2
mock_client.assert_not_called()
mock_update_failover_endpoints.reset_mock()
mock_client.reset_mock()
# An additional auto failover endpoint found
mock_update_failover_endpoints.return_value = ["https://fake.endpoint2", "https://fake.endpoint3"]
mock_client.return_value = MockClient(
"https://fake.endpoint3", "Endpoint=https://fake.endpoint3/;Id=fake_id;Secret=fake_secret", None, 0, 0
)
manager._next_update_time = 0
await manager.refresh_clients()
mock_update_failover_endpoints.assert_called_once_with(endpoint, True)
assert len(manager._replica_clients) == 3
mock_client.assert_called_once_with(
"https://fake.endpoint3", "Endpoint=https://fake.endpoint3/;Id=fake_id;Secret=fake_secret", "", 0, 0
)
mock_update_failover_endpoints.reset_mock()
mock_client.reset_mock()
# A replica no longer exists
mock_update_failover_endpoints.return_value = ["https://fake.endpoint3"]
manager._next_update_time = 0
await manager.refresh_clients()
mock_update_failover_endpoints.assert_called_once_with(endpoint, True)
assert len(manager._replica_clients) == 2
mock_client.assert_not_called()
@patch("azure.appconfiguration.provider.aio._async_client_manager.find_auto_failover_endpoints")
@patch("azure.appconfiguration.provider.aio._async_client_manager._AsyncConfigurationClientWrapper.from_credential")
def test_calculate_backoff(self, mock_client, mock_update_failover_endpoints):
endpoint = "https://fake.endpoint"
mock_update_failover_endpoints.return_value = []
manager = AsyncConfigurationClientManager(None, endpoint, "fake-credential", "", 0, 0, True, 30, 600, False)
manager_invalid = AsyncConfigurationClientManager(
None, endpoint, "fake-credential", "", 0, 0, True, 600, 30, False
)
assert manager._calculate_backoff(0) == 30000.0
assert 30000.0 <= manager._calculate_backoff(1) <= 60000.0
assert 30000.0 <= manager._calculate_backoff(2) <= 120000.0
assert 30000.0 <= manager._calculate_backoff(3) <= 240000.0
assert 30000.0 <= manager._calculate_backoff(4) <= 480000.0
assert 30000.0 <= manager._calculate_backoff(5) <= 600000.0
assert 30000.0 <= manager._calculate_backoff(6) <= 600000.0
assert 30000.0 <= manager._calculate_backoff(7) <= 600000.0
assert 30000.0 <= manager._calculate_backoff(8) <= 600000.0
assert 30000.0 <= manager._calculate_backoff(9) <= 600000.0
assert 30000.0 <= manager._calculate_backoff(10) <= 600000.0
assert manager_invalid._calculate_backoff(0) == 600000
|
