require 'spec_helper'
require 'stringio'

describe "gemline output" do

  before do
    stub_rubygems_json_output
  end

  it "should output one line to STDOUT so the output can be appended to a Gemfile" do
    grab_io { Gemline.query('rails') }
    expect(@stdout.readlines.count).to eq(1)
  end

  it "should output nothing to STDOUT on error" do
    allow(Kernel).to receive(:exit).and_return(true)
    grab_io { Gemline.query('doesnotexist') }
    expect(@stdout.readlines.count).to eq(0)
  end

end