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# frozen_string_literal: true
require_relative "abstract_unit"
require "pp"
require "active_support/dependencies"
module ModuleWithMissing
mattr_accessor :missing_count
def self.const_missing(name)
self.missing_count += 1
name
end
end
module ModuleWithConstant
InheritedConstant = "Hello"
end
class RequireDependencyTest < ActiveSupport::TestCase
setup do
@loaded_features_copy = $LOADED_FEATURES.dup
ActiveSupport::Dependencies.autoload_paths.clear
@root_dir = Dir.mktmpdir
File.write("#{@root_dir}/x.rb", "X = :X")
ActiveSupport::Dependencies.autoload_paths << @root_dir
end
teardown do
$LOADED_FEATURES.replace(@loaded_features_copy)
ActiveSupport::Dependencies.autoload_paths.clear
FileUtils.rm_rf(@root_dir)
Object.send(:remove_const, :X) if Object.const_defined?(:X)
end
test "require_dependency looks autoload paths up" do
assert require_dependency("x")
assert_equal :X, X
end
test "require_dependency looks autoload paths up (idempotent)" do
assert require_dependency("x")
assert_not require_dependency("x")
end
test "require_dependency handles absolute paths correctly" do
assert require_dependency("#{@root_dir}/x.rb")
assert_equal :X, X
end
test "require_dependency handles absolute paths correctly (idempotent)" do
assert require_dependency("#{@root_dir}/x.rb")
assert_not require_dependency("#{@root_dir}/x.rb")
end
test "require_dependency supports arguments that respond to to_path" do
x = Object.new
def x.to_path; "x"; end
assert require_dependency(x)
assert_equal :X, X
end
test "require_dependency supports arguments that respond to to_path (idempotent)" do
x = Object.new
def x.to_path; "x"; end
assert require_dependency(x)
assert_not require_dependency(x)
end
test "require_dependency fallback to Kernel#require" do
dir = Dir.mktmpdir
$LOAD_PATH << dir
File.write("#{dir}/y.rb", "Y = :Y")
assert require_dependency("y")
assert_equal :Y, Y
ensure
$LOAD_PATH.pop
Object.send(:remove_const, :Y) if Object.const_defined?(:Y)
end
test "require_dependency fallback to Kernel#require (idempotent)" do
dir = Dir.mktmpdir
$LOAD_PATH << dir
File.write("#{dir}/y.rb", "Y = :Y")
assert require_dependency("y")
assert_not require_dependency("y")
ensure
$LOAD_PATH.pop
Object.send(:remove_const, :Y) if Object.const_defined?(:Y)
end
test "require_dependency raises ArgumentError if the argument is not a String and does not respond to #to_path" do
assert_raises(ArgumentError) { require_dependency(Object.new) }
end
test "require_dependency raises LoadError if the given argument is not found" do
assert_raise(LoadError) { require_dependency("nonexistent_filename") }
end
end
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