Back to Repositories

Testing Logger Configuration Implementation in grape

This test suite examines the logger functionality in the Grape DSL module, specifically focusing on the Logger component. It verifies the proper implementation of logger setting and retrieval operations within Grape applications. The tests ensure reliable logging behavior for debugging and monitoring purposes.

Test Coverage Overview

The test suite provides comprehensive coverage of the Grape::DSL::Logger module’s core functionality.

Key areas tested include:

Logger instance setting functionality
Logger retrieval operations
Integration with Ruby’s standard Logger class

The tests verify both the assignment and access of logger instances, ensuring proper encapsulation and accessibility.

Implementation Analysis

The testing approach utilizes RSpec’s behavior-driven development patterns with a focus on class-level functionality verification. The implementation leverages instance doubles for logger mocking, demonstrating clean isolation of the logging component. The tests employ RSpec’s subject and let blocks to maintain DRY principles and provide clear context for each test case.

Technical Details

Testing tools and configuration:

RSpec testing framework
Instance doubles for mock objects
Ruby Logger class integration
Grape DSL extension mechanisms
Class inheritance patterns for test isolation

Best Practices Demonstrated

The test suite exemplifies several testing best practices in Ruby development.

Notable practices include:

Proper use of subject and let blocks for setup
Clear test isolation using dummy classes
Effective mocking of dependencies
Focused, single-responsibility test cases
Clean and maintainable test structure

ruby-grape/grape

spec/grape/dsl/logger_spec.rb

            
# frozen_string_literal: true

describe Grape::DSL::Logger do
  subject { Class.new(dummy_logger) }

  let(:dummy_logger) do
    Class.new do
      extend Grape::DSL::Logger
    end
  end

  let(:logger) { instance_double(Logger) }

  describe '.logger' do
    it 'sets a logger' do
      subject.logger logger
      expect(subject.logger).to eq logger
    end

    it 'returns a logger' do
      expect(subject.logger(logger)).to eq logger
    end
  end
end