| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You under the Apache License, Version 2.0 |
| # (the "License"); you may not use this file except in compliance with |
| # the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| |
| import pytest |
| |
| from pycarbon import make_carbon_reader, make_batch_carbon_reader |
| from pycarbon.core.carbon_local_memory_cache import LocalMemoryCache |
| |
| import os |
| import jnius_config |
| |
| jnius_config.set_classpath(pytest.config.getoption("--carbon-sdk-path")) |
| |
| if pytest.config.getoption("--pyspark-python") is not None and \ |
| pytest.config.getoption("--pyspark-driver-python") is not None: |
| os.environ['PYSPARK_PYTHON'] = pytest.config.getoption("--pyspark-python") |
| os.environ['PYSPARK_DRIVER_PYTHON'] = pytest.config.getoption("--pyspark-driver-python") |
| elif 'PYSPARK_PYTHON' in os.environ.keys() and 'PYSPARK_DRIVER_PYTHON' in os.environ.keys(): |
| pass |
| else: |
| raise ValueError("please set PYSPARK_PYTHON and PYSPARK_DRIVER_PYTHON variables, " |
| "using cmd line " |
| "--pyspark-python=PYSPARK_PYTHON_PATH --pyspark-driver-python=PYSPARK_DRIVER_PYTHON_PATH " |
| "or set PYSPARK_PYTHON and PYSPARK_DRIVER_PYTHON in system env") |
| |
| |
| def test_invalid_cache_parameter(carbon_synthetic_dataset, carbon_scalar_dataset): |
| with make_carbon_reader(carbon_synthetic_dataset.url, |
| cache_type='memory-cache', |
| shuffle_row_drop_partitions=5) as reader: |
| with pytest.raises(RuntimeError): |
| next(reader) |
| |
| with make_batch_carbon_reader(carbon_scalar_dataset.url, |
| cache_type='memory-cache', |
| shuffle_row_drop_partitions=5) as reader: |
| with pytest.raises(RuntimeError): |
| next(reader) |
| |
| |
| def test_simple_scalar_cache(): |
| """Testing trivial NullCache: should trigger value generating function on each run""" |
| cache = LocalMemoryCache(100) |
| assert 42 == cache.get('some_key', lambda: 42) |
| assert 42 == cache.get('some_key', lambda: 43) |
| |
| |
| def test_cache_cleanup(): |
| cache = LocalMemoryCache(100) |
| assert 42 == cache.get('some_key', lambda: 42) |
| cache.cleanup() |
| |
| assert 0 == cache.size() |