如何在ruby模块中包含单元测试？

gem install rspec
gem install rspec-core

# example_module.rb
module ExampleModule
  def self.add(a, b)
    a + b
  end
end

# example_module_spec.rb
require_relative 'example_module'
require 'rspec'

RSpec.describe ExampleModule do
  it 'adds two numbers' do
    expect(ExampleModule.add(2, 3)).to eq(5)
  end

  it 'adds negative numbers' do
    expect(ExampleModule.add(-2, -3)).to eq(-5)
  end

  it 'adds decimal numbers' do
    expect(ExampleModule.add(2.5, 3.5)).to eq(6)
  end
end

rspec example_module_spec.rb

3 examples, 0 failures