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rails--rails/railties/test/app_rails_loader_test.rb
Steve Klabnik c5a9c02e01 Fix backwards compatibility with Rails 3 apps.
When we removed script/rails and introduced bin/rails, we accidentally
introduced a regression. If you install Rails 4 as a gem, then try to do
something in a Rails 3 application:

    $ rails g

This will throw the 'please type rails new foo' message rather than the
proper generator documentation message. This is because older apps don't
have bin/rails.

Therefore, we now *prefer* bin/rails, but still search for script/rails,
and exec the one we find.
2013-02-22 14:30:21 -05:00

48 lines
1.9 KiB
Ruby

require 'abstract_unit'
require 'rails/app_rails_loader'
class AppRailsLoaderTest < ActiveSupport::TestCase
setup do
File.stubs(:exists?).returns(false)
end
['bin/rails', 'script/rails'].each do |exe|
test "is in a rails application if #{exe} exists and contains APP_PATH" do
File.stubs(:exists?).with(exe).returns(true)
File.stubs(:read).with(exe).returns('APP_PATH')
assert Rails::AppRailsLoader.find_executable
end
test "is not in a rails application if #{exe} exists but doesn't contain APP_PATH" do
File.stubs(:exists?).with(exe).returns(true)
File.stubs(:read).with(exe).returns("railties #{exe}")
assert !Rails::AppRailsLoader.find_executable
end
test "is in a rails application if parent directory has #{exe} containing APP_PATH" do
File.stubs(:exists?).with("/foo/bar/#{exe}").returns(false)
File.stubs(:exists?).with("/foo/#{exe}").returns(true)
File.stubs(:read).with("/foo/#{exe}").returns('APP_PATH')
assert Rails::AppRailsLoader.find_executable_in_parent_path(Pathname.new("/foo/bar"))
end
test "is not in a rails application if at the root directory and doesn't have #{exe}" do
Pathname.any_instance.stubs(:root?).returns true
assert !Rails::AppRailsLoader.find_executable
end
test "is in a rails engine if parent directory has #{exe} containing ENGINE_PATH" do
File.stubs(:exists?).with("/foo/bar/#{exe}").returns(false)
File.stubs(:exists?).with("/foo/#{exe}").returns(true)
File.stubs(:read).with("/foo/#{exe}").returns('ENGINE_PATH')
assert Rails::AppRailsLoader.find_executable_in_parent_path(Pathname.new("/foo/bar"))
end
test "is in a rails engine if #{exe} exists containing ENGINE_PATH" do
File.stubs(:exists?).with(exe).returns(true)
File.stubs(:read).with(exe).returns('ENGINE_PATH')
assert Rails::AppRailsLoader.find_executable
end
end
end