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  4. Extract RSpec 'let'

Extract RSpec 'let'

Last modified: 03 January 2023

Refactor | Extract/Introduce | RSpec 'let'

N/A

The Extract RSpec 'let' refactoring allows you to extract a specified code fragment into a memoized helper method. To do this, perform the following steps:

Example

Before

describe "GetTime" do
    it "gets the same time" do
        puts Time.now
        sleep(3)
        puts Time.now
    end
end

After

describe "GetTime" do
    let(:current_time) { Time.now }
    it "gets the same time" do
        puts current_time
        sleep(3)
        puts current_time
    end
end