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| 1 | +import pytest |
| 2 | +import pytest_userver.client |
| 3 | +import pytest_userver.dynconf |
| 4 | + |
| 5 | + |
| 6 | +async def _make_success_request(service_client: pytest_userver.client.Client) -> None: |
| 7 | + response = await service_client.post( |
| 8 | + 'ydb/select-rows', |
| 9 | + json={ |
| 10 | + 'service': 'srv', |
| 11 | + 'channels': [1, 2, 3], |
| 12 | + 'created': '2019-10-30T11:20:00+00:00', |
| 13 | + }, |
| 14 | + ) |
| 15 | + assert response.status_code == 200 |
| 16 | + |
| 17 | + |
| 18 | +@pytest.mark.parametrize('requests_count', [1, 10]) |
| 19 | +async def test_retry_budget( |
| 20 | + dynamic_config: pytest_userver.dynconf.DynamicConfig, |
| 21 | + service_client: pytest_userver.client.Client, |
| 22 | + monitor_client: pytest_userver.client.ClientMonitor, |
| 23 | + requests_count: int, |
| 24 | +) -> None: |
| 25 | + # The default value of token-ratio is 0.1. We set the value to 1 and expect |
| 26 | + # that the 'approx_token_count' will be increased by 1 after each request. |
| 27 | + max_token_count = 150 |
| 28 | + dynamic_config.set( |
| 29 | + YDB_RETRY_BUDGET={ |
| 30 | + 'sampledb': { |
| 31 | + 'max-tokens': max_token_count, |
| 32 | + 'token-ratio': 1, |
| 33 | + 'enabled': True, |
| 34 | + }, |
| 35 | + }, |
| 36 | + ) |
| 37 | + await service_client.update_server_state() |
| 38 | + |
| 39 | + async with monitor_client.metrics_diff(prefix='ydb.retry_budget') as differ: |
| 40 | + for _ in range(requests_count): |
| 41 | + await _make_success_request(service_client) |
| 42 | + |
| 43 | + assert differ.value_at('account_ok') == requests_count |
| 44 | + assert differ.value_at('account_fail') == 0 |
| 45 | + assert differ.current.value_at('ydb.retry_budget.approx_token_count') == ( |
| 46 | + differ.baseline.value_at('ydb.retry_budget.approx_token_count') + requests_count |
| 47 | + ) |
| 48 | + assert differ.current.value_at('ydb.retry_budget.max_token_count') == max_token_count |
| 49 | + |
| 50 | + |
| 51 | +async def test_retry_budget_success_limit( |
| 52 | + dynamic_config: pytest_userver.dynconf.DynamicConfig, |
| 53 | + service_client: pytest_userver.client.Client, |
| 54 | + monitor_client: pytest_userver.client.ClientMonitor, |
| 55 | +) -> None: |
| 56 | + async with monitor_client.metrics_diff(prefix='ydb.retry_budget') as differ: |
| 57 | + current_approx_token_count = differ.baseline.value_at('ydb.retry_budget.approx_token_count') |
| 58 | + |
| 59 | + dynamic_config.set( |
| 60 | + YDB_RETRY_BUDGET={ |
| 61 | + 'sampledb': { |
| 62 | + 'max-tokens': current_approx_token_count, |
| 63 | + 'token-ratio': 1, |
| 64 | + 'enabled': True, |
| 65 | + }, |
| 66 | + }, |
| 67 | + ) |
| 68 | + await service_client.update_server_state() |
| 69 | + |
| 70 | + # We can't increase the approx_token_count more than the max-tokens, so the approx_token_count won't change. |
| 71 | + requests_count = 10 |
| 72 | + for _ in range(requests_count): |
| 73 | + await _make_success_request(service_client) |
| 74 | + |
| 75 | + assert differ.value_at('account_ok') == requests_count |
| 76 | + assert differ.value_at('account_fail') == 0 |
| 77 | + assert differ.current.value_at('ydb.retry_budget.approx_token_count') == current_approx_token_count |
| 78 | + assert differ.current.value_at('ydb.retry_budget.max_token_count') == current_approx_token_count |
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