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require "helper"
require "readline"
describe Thor::LineEditor, "on a system with Readline support" do
before do
@original_readline = ::Readline
Object.send(:remove_const, :Readline)
::Readline = double("Readline")
end
after do
Object.send(:remove_const, :Readline)
::Readline = @original_readline
end
describe ".readline" do
it "uses the Readline line editor" do
editor = double("Readline")
expect(Thor::LineEditor::Readline).to receive(:new).with("Enter your name ", {default: "Brian"}).and_return(editor)
expect(editor).to receive(:readline).and_return("George")
expect(Thor::LineEditor.readline("Enter your name ", default: "Brian")).to eq("George")
end
end
end
describe Thor::LineEditor, "on a system without Readline support" do
before do
@original_readline = ::Readline
Object.send(:remove_const, :Readline)
end
after do
::Readline = @original_readline
end
describe ".readline" do
it "uses the Basic line editor" do
editor = double("Basic")
expect(Thor::LineEditor::Basic).to receive(:new).with("Enter your name ", {default: "Brian"}).and_return(editor)
expect(editor).to receive(:readline).and_return("George")
expect(Thor::LineEditor.readline("Enter your name ", default: "Brian")).to eq("George")
end
end
end
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