is-test-env v1.0.2

is-test-env

Detect whether nodejs is running under test environment.

Usage

if (is_test_env()) {
  console.log('Running under test environment.')
  // Script is running under test, mock the API
} else {
  // Use the real API
}

Use cases

• Mock API in test environment
• Using different loggers in test environment

How it works

• Check if NODE_ENV is set to test
• Check if global functions defined by following test runners are defined
  • mocha
  • jest