Coverage for mlos_bench/mlos_bench/tests/config/storage/test_load_storage_config_examples.py: 100%

1# 

2# Copyright (c) Microsoft Corporation. 

3# Licensed under the MIT License. 

4# 

5"""Tests for loading storage config examples.""" 

6import logging 

7from typing import List 

8 

9import pytest 

10 

11from mlos_bench.config.schemas.config_schemas import ConfigSchema 

12from mlos_bench.services.config_persistence import ConfigPersistenceService 

13from mlos_bench.storage.base_storage import Storage 

14from mlos_bench.tests.config import locate_config_examples 

15from mlos_bench.util import get_class_from_name 

16 

17_LOG = logging.getLogger(__name__) 

18_LOG.setLevel(logging.DEBUG) 

19 

20 

21# Get the set of configs to test. 

22CONFIG_TYPE = "storage" 

23 

24 

25def filter_configs(configs_to_filter: List[str]) -> List[str]: 

26 """If necessary, filter out json files that aren't for the module we're testing.""" 

27 return configs_to_filter 

28 

29 

30configs = locate_config_examples( 

31 ConfigPersistenceService.BUILTIN_CONFIG_PATH, 

32 CONFIG_TYPE, 

33 filter_configs, 

34) 

35assert configs 

36 

37 

38@pytest.mark.parametrize("config_path", configs) 

39def test_load_storage_config_examples( 

40 config_loader_service: ConfigPersistenceService, 

41 config_path: str, 

42) -> None: 

43 """Tests loading a config example.""" 

44 config = config_loader_service.load_config(config_path, ConfigSchema.STORAGE) 

45 assert isinstance(config, dict) 

46 # Skip schema loading that would require a database connection for this test. 

47 config["config"]["lazy_schema_create"] = True 

48 cls = get_class_from_name(config["class"]) 

49 assert issubclass(cls, Storage) 

50 # Make an instance of the class based on the config. 

51 storage_inst = config_loader_service.build_storage( 

52 config=config, 

53 service=config_loader_service, 

54 ) 

55 assert storage_inst is not None 

56 assert isinstance(storage_inst, cls)