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