kook/spec/spec_helper.rb

# Load all spec files
Dir["./spec/support/**/*.rb"].each {|f| require f}

RSpec.configure do |config|
	# Allows using build(), create(), etc. without the "FactoryGirl." part.
	config.include FactoryGirl::Syntax::Methods

	config.before(:each) do
		$0 = "kook"                             # Pretend we're running as 'kook'
		ARGV.clear                                 # Make sure no args are passed to the commands.
		@directory = Dir.mktmpdir('kook-spec-') # Create a temp directory to work in.
		@orig_directory = Dir.pwd                  # Save the original directory.
		Dir.chdir(@directory)                      # Change to it. pwd() is the temp directory in the examples.
	end

	config.after(:each) do
		Dir.chdir(@orig_directory)                 # Change back to the origin directory.
		FileUtils.rmtree(@directory)               # Remove the temp directory.
	end


	# Captures the output for analysis later
	#
	# @example Capture `$stderr`
	#
	#     output = capture(:stderr) { $stderr.puts "this is captured" }
	#
	# @param [Symbol] stream `:stdout` or `:stderr`
	# @yield The block to capture stdout/stderr for.
	# @return [String] The contents of $stdout or $stderr
	def capture(stream)
		begin
			stream = stream.to_s
			eval "$#{stream} = StringIO.new"
			yield
			result = eval("$#{stream}").string
		ensure
			eval("$#{stream} = #{stream.upcase}")
		end

		result
	end

	# Silences the output stream
	#
	# @example Silence `$stdout`
	#
	#     silence(:stdout) { $stdout.puts "hi" }
	#
	# @param [IO] stream The stream to use such as $stderr or $stdout
	# @return [nil]
	alias :silence :capture


end

EXAMPLES_DIR = Pathname.new(__FILE__).dirname + 'examples'