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require 'active_support/test_case'
require 'active_support/testing/autorun'
require 'rails/generators/rails/app/app_generator'
require 'tempfile'
module Rails
module Generators
class ARGVScrubberTest < ActiveSupport::TestCase # :nodoc:
# Future people who read this... These tests are just to surround the
# current behavior of the ARGVScrubber, they do not mean that the class
# *must* act this way, I just want to prevent regressions.
def test_version
['-v', '--version'].each do |str|
scrubber = ARGVScrubber.new [str]
output = nil
exit_code = nil
scrubber.extend(Module.new {
define_method(:puts) { |string| output = string }
define_method(:exit) { |code| exit_code = code }
})
scrubber.prepare!
assert_equal "Rails #{Rails::VERSION::STRING}", output
assert_equal 0, exit_code
end
end
def test_default_help
argv = ['zomg', 'how', 'are', 'you']
scrubber = ARGVScrubber.new argv
args = scrubber.prepare!
assert_equal ['--help'] + argv.drop(1), args
end
def test_prepare_returns_args
scrubber = ARGVScrubber.new ['hi mom']
args = scrubber.prepare!
assert_equal '--help', args.first
end
def test_no_mutations
scrubber = ARGVScrubber.new ['hi mom'].freeze
args = scrubber.prepare!
assert_equal '--help', args.first
end
def test_new_command_no_rc
scrubber = Class.new(ARGVScrubber) {
def self.default_rc_file
File.join(Dir.tmpdir, 'whatever')
end
}.new ['new']
args = scrubber.prepare!
assert_equal [], args
end
def test_new_homedir_rc
file = Tempfile.new 'myrcfile'
file.puts '--hello-world'
file.flush
message = nil
scrubber = Class.new(ARGVScrubber) {
define_singleton_method(:default_rc_file) do
file.path
end
define_method(:puts) { |msg| message = msg }
}.new ['new']
args = scrubber.prepare!
assert_equal ['--hello-world'], args
assert_match 'hello-world', message
assert_match file.path, message
ensure
file.close
file.unlink
end
def test_rc_whitespace_separated
file = Tempfile.new 'myrcfile'
file.puts '--hello --world'
file.flush
message = nil
scrubber = Class.new(ARGVScrubber) {
define_method(:puts) { |msg| message = msg }
}.new ['new', "--rc=#{file.path}"]
args = scrubber.prepare!
assert_equal ['--hello', '--world'], args
ensure
file.close
file.unlink
end
def test_new_rc_option
file = Tempfile.new 'myrcfile'
file.puts '--hello-world'
file.flush
message = nil
scrubber = Class.new(ARGVScrubber) {
define_method(:puts) { |msg| message = msg }
}.new ['new', "--rc=#{file.path}"]
args = scrubber.prepare!
assert_equal ['--hello-world'], args
assert_match 'hello-world', message
assert_match file.path, message
ensure
file.close
file.unlink
end
def test_new_rc_option_and_custom_options
file = Tempfile.new 'myrcfile'
file.puts '--hello'
file.puts '--world'
file.flush
scrubber = Class.new(ARGVScrubber) {
define_method(:puts) { |msg| }
}.new ['new', 'tenderapp', '--love', "--rc=#{file.path}"]
args = scrubber.prepare!
assert_equal ["tenderapp", "--hello", "--world", "--love"], args
ensure
file.close
file.unlink
end
def test_no_rc
scrubber = ARGVScrubber.new ['new', '--no-rc']
args = scrubber.prepare!
assert_equal [], args
end
end
end
end
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