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# encoding: utf-8
require 'cliver'
describe Cliver::ShellCapture do
let(:test_command) { 'test command' }
subject { Cliver::ShellCapture.new(test_command) }
context 'a command that exists' do
let(:intended_stdout) { StringIO.new('1.1.1').tap(&:rewind) }
let(:intended_stderr) { StringIO.new('foo baar 1').tap(&:rewind) }
let(:intended_stdin) { StringIO.new('').tap(&:rewind) }
['test command', %w(test command)].each do |input|
context "with #{input.class.name} input" do
let(:test_command) { input }
before(:each) do
Open3.should_receive(:popen3) do |*args|
args.size.should eq 1
args.first.should == 'test command'
end.and_yield(intended_stdin, intended_stdout, intended_stderr)
end
its(:stdout) { should eq '1.1.1' }
its(:stderr) { should eq 'foo baar 1' }
its(:command_found) { should be_true }
end
end
end
context 'looking for a command that does not exist' do
before(:each) do
Open3.should_receive(:popen3) do |command|
command.should eq test_command
raise Errno::ENOENT.new("No such file or directory - #{test_command}")
end
end
its(:stdout) { should eq '' }
its(:stderr) { should eq '' }
its(:command_found) { should be_false }
end
end
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