On Feb 15, 2012, at 9:57 AM, Serguei Cambour wrote:
> I just tried to integrate a simple test to check some options passed as
> argument to a class to be executed:
> [code]
> require 'spec_helper'
>
> module PropertyInjector
> describe Options do
> describe "#source folder option" do
> it "sets up a source folder" do
> argv = %w{-e path/to/some/folder}
> puts "argv[0]: #{argv[0]}"
> puts "argv[1]: #{argv[1]}"
> options = Options.new(argv)
> puts "options.export_folder: #{options.export_folder}"
> options.export_folder.should == argv[1]
> end
> end
> end
> end
> [/code]
> class Options:
> [code]
> module PropertyInjector
> class Options
> def initialize(argv)
> @bundle_folder = DEFAULT_BUNDLE_FOLDER
> @export_folder = DEFAULT_EXPORT_FOLDER
> @import_file_path = File.join(DEFAULT_IMPORT_FOLDER,
> EXCEL_FILE_NAME)
> @export = true
> @locales = ['en']
> parse(argv)
> end
>
> private
> def parse(argv)
> OptionParser.new do |opts|
> opts.banner = "Usage: translation properties injector
> [options]."
>
> opts.on("-e [EXPORT_FOLDER]", "--export [EXPORT_FOLDER]",
> String, "Path to the export folder to contain a generated Excel file,
> (default=#{DEFAULT_EXPORT_FOLDER}") do |folder|
> @export = true
> @export_folder = folder if folder
> end
>
> opts.on("-i [EXCEL_FILE_PATH]", "--import [EXCEL_FILE_PATH]",
> String, "Path to the Excel file to import translations from
> (default=#{DEFAULT_IMPORT_FOLDER}/#{EXCEL_FILE_NAME})") do |file_path|
> @export = false
> @import_file_path = file_path if file_path
> end
>
> opts.on("-b [BUNDLE_FOLDER]", "--bundle [BUNDLE_FOLDER]",
> String, "Path to the folder containing properties files,
> (default=#{DEFAULT_BUNDLE_FOLDER})") do |folder|
> @bundle_folder = folder if folder
> end
>
> opts.on("-l [l1,l2,l3]", "--langs [l1,l2,l3]", Array, "Locales
> values to use separated by comma, starting from the known one,
> default=en") do |langs|
> if langs
> @locales = langs.map(&:downcase)
> @locales.uniq!
> end
>
> end
>
> opts.on("-", "--help", "Show this message") do
> puts opts
> exit
> end
>
> begin
> argv = ["-h"] if argv.empty?
> opts.parse!(argv)
> rescue OptionParser::ParseError => e
> STDERR.puts e.message, "\n", opts
> exit(1)
> end
> end
> end
> end
> end
> [/code]
> After running the test, here is what I got:
> [code]
> PropertyInjector::Options
> #source folder option
> argv[0]: -e
> argv[1]: path/to/some/folder
> options.export_folder: path/to/some/folder
> sets up a source folder (FAILED - 1)
>
> Failures:
>
> 1) PropertyInjector::Options#source folder option sets up a source
> folder
> Failure/Error: options.export_folder.should == argv[1]
> expected: nil
> got: "path/to/some/folder" (using ==)
> # ./spec/property_injector/options_spec.rb:12:in `block (3 levels)
> in <module:PropertyInjector>'
>
> Finished in 0.01562 seconds
> 1 example, 1 failure
>
> Failed examples:
>
> rspec ./spec/property_injector/options_spec.rb:6 #
> PropertyInjector::Options#source folder option sets up a source folder
> [/code]
> WHY the second argument is NIL if it WAS NOT before
> (path/to/some/folder)?
> Thank you in advance.
>
> --
> Posted via http://www.ruby-forum.com/.
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> rspec-users mailing list
> [email protected]
> http://rubyforge.org/mailman/listinfo/rspec-users
OptionParser is obviously mutating "argv". Try passing "argv.dup"
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