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# frozen_string_literal: true
require "active_support/testing/strict_warnings"
require "active_support/test_case"
require "active_support/testing/autorun"
require "rails/generators/rails/app/app_generator"
require "tempfile"
require "fileutils"
require "env_helpers"
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.
include EnvHelpers
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_default_rc_file_with_xdg_config_home
Dir.mktmpdir do |dir|
rc_file = File.join(dir, "rails/railsrc")
FileUtils.mkdir_p(File.dirname(rc_file))
FileUtils.touch(rc_file)
switch_env("XDG_CONFIG_HOME", dir) do
assert_equal rc_file, ARGVScrubber.default_rc_file
end
end
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
scrubber = Class.new(ARGVScrubber) {
define_method(:puts) { |msg| }
}.new ["new", "--rc=#{file.path}"]
args = scrubber.prepare!
assert_equal ["--hello", "--world"], args
ensure
file.close
file.unlink
end
def test_rc_lines_with_comments
file = Tempfile.new "myrcfile"
file.puts "--hello # --world"
file.puts "--love"
file.puts "# --hate"
file.flush
scrubber = Class.new(ARGVScrubber) {
define_method(:puts) { |msg| }
}.new ["new", "--rc=#{file.path}"]
args = scrubber.prepare!
assert_equal ["--hello", "--love"], 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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