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#! /usr/bin/env ruby
require 'spec_helper'
require 'puppet/util/terminal'
describe Puppet::Util::Terminal do
describe '.width' do
before { Puppet.features.stubs(:posix?).returns(true) }
it 'should invoke `stty` and return the width' do
height, width = 100, 200
subject.expects(:`).with('stty size 2>/dev/null').returns("#{height} #{width}\n")
expect(subject.width).to eq(width)
end
it 'should use `tput` if `stty` is unavailable' do
width = 200
subject.expects(:`).with('stty size 2>/dev/null').returns("\n")
subject.expects(:`).with('tput cols 2>/dev/null').returns("#{width}\n")
expect(subject.width).to eq(width)
end
it 'should default to 80 columns if `tput` and `stty` are unavailable' do
width = 80
subject.expects(:`).with('stty size 2>/dev/null').returns("\n")
subject.expects(:`).with('tput cols 2>/dev/null').returns("\n")
expect(subject.width).to eq(width)
end
it 'should default to 80 columns if `tput` or `stty` raise exceptions' do
width = 80
subject.expects(:`).with('stty size 2>/dev/null').raises()
subject.stubs(:`).with('tput cols 2>/dev/null').returns("#{width + 1000}\n")
expect(subject.width).to eq(width)
end
it 'should default to 80 columns if not in a POSIX environment' do
width = 80
Puppet.features.stubs(:posix?).returns(false)
expect(subject.width).to eq(width)
end
end
end
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