End to end test for CUI command

CUIコマンドのend to endテストとはこんな感じだろうか？

spec/css_selector_command_spec.rb at master from komagata/css_selector - GitHub

# spec/css_selector_command_spec.rb:
require File.expand_path(File.dirname(__FILE__) + '/spec_helper')

describe "css_selector" do
  it "get title" do
    result = `echo '<html><head><title>foo</title></head><body><h1>bar</h1></body></html>' | bin/css_selector title`
    result.should == "foo\n"
  end

  it "get h1" do
    result = `echo '<html><head><title>foo</title></head><body><h1>bar</h1></body></html>' | bin/css_selector h1`
    result.should == "bar\n"
  end
end

どっかに参考になるプロジェクトがないかしら。

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