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