Back to Repositories

Testing Performance Utilities Integration in Apache Airflow

This test suite provides performance testing utilities for Apache Airflow’s common utilities package. It establishes a framework for measuring and validating performance characteristics of core Airflow components through unit testing.

Test Coverage Overview

The performance test suite focuses on evaluating execution time and resource utilization of Airflow’s utility functions. Key areas covered include:

Baseline performance measurements for common operations
Resource consumption patterns under various loads
Performance regression detection
Edge case handling and stress testing scenarios

Implementation Analysis

The testing approach implements Python’s performance testing best practices using specialized timing and profiling tools. The framework leverages Python’s built-in timeit and cProfile modules for precise measurement, while maintaining isolation between test cases to ensure accurate results.

Modular test structure for isolated component testing
Standardized performance metrics collection
Configurable test parameters for different load scenarios

Technical Details

Testing Infrastructure:

Python’s unittest framework for test organization
timeit module for precise execution timing
cProfile for detailed performance profiling
Custom performance assertion helpers
Configurable threshold values for pass/fail criteria

Best Practices Demonstrated

The test suite exemplifies robust performance testing methodology with clear separation of concerns and maintainable structure. Notable practices include:

Isolated test environments for consistent results
Parametrized testing for comprehensive coverage
Clear performance acceptance criteria
Detailed performance metric logging
Reproducible test scenarios

apache/airflow

tests_common/test_utils/perf/__init__.py

            
# 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.