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Validating Rack 3.0 Version Compatibility in grape

This integration test suite validates Rack 3.0 version compatibility with the Grape framework. It ensures proper version detection and compatibility checks between Grape and Rack 3.0 components through targeted version validation tests.

Test Coverage Overview

The test coverage focuses on validating the Rack version compatibility, specifically targeting Rack 3.0 release version detection. Key functionality includes:

Version number validation using Gem::Version
Major version segment verification
Rack release version compatibility checks

Implementation Analysis

The testing approach utilizes RSpec’s expectation syntax with version comparison logic. The implementation leverages Gem::Version for semantic version parsing and comparison, focusing on the major version segment through the segments array access.

The test employs described_class to reference Rack dynamically, following RSpec best practices for maintainable test code.

Technical Details

Testing tools and configuration:

RSpec testing framework
Gem::Version for version parsing
Rack 3.0 environment
Integration test setup with described_class pattern
Frozen string literal pragma for optimization

Best Practices Demonstrated

The test demonstrates several quality testing practices including isolated version validation, clear expectation setting, and proper use of RSpec matchers. The code organization follows single responsibility principle with focused test cases and clear version compatibility validation.

Explicit version comparison
Clean test isolation
Proper RSpec matcher usage
Efficient version parsing approach

ruby-grape/grape

spec/integration/rack_3_0/version_spec.rb

            
# frozen_string_literal: true

describe Rack do
  it { expect(Gem::Version.new(described_class.release).segments.first).to eq 3 }
end