1221 lines
40 KiB
Ruby
1221 lines
40 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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require_relative "dependencies_test_helpers"
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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 DependenciesTest < ActiveSupport::TestCase
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include DependenciesTestHelpers
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setup do
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@loaded_features_copy = $LOADED_FEATURES.dup
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$LOAD_PATH << "test"
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end
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teardown do
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ActiveSupport::Dependencies.clear
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$LOADED_FEATURES.replace(@loaded_features_copy)
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$LOAD_PATH.pop
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end
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def test_depend_on_path
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expected = assert_raises(LoadError) do
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Kernel.require "omgwtfbbq"
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end
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e = assert_raises(LoadError) do
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ActiveSupport::Dependencies.depend_on "omgwtfbbq"
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end
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assert_equal expected.path, e.path
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end
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def test_depend_on_message
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e = assert_raises(LoadError) do
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ActiveSupport::Dependencies.depend_on "omgwtfbbq"
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end
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assert_equal "No such file to load -- omgwtfbbq.rb", e.message
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end
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def test_require_dependency_accepts_an_object_which_implements_to_path
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o = Object.new
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def o.to_path; "dependencies/service_one"; end
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assert_nothing_raised {
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require_dependency o
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}
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assert defined?(ServiceOne)
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ensure
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remove_constants(:ServiceOne)
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end
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def test_tracking_loaded_files
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with_loading do
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require_dependency "dependencies/service_one"
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require_dependency "dependencies/service_two"
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assert_equal 2, ActiveSupport::Dependencies.loaded.size
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end
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ensure
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remove_constants(:ServiceOne, :ServiceTwo)
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end
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def test_tracking_identical_loaded_files
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with_loading do
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require_dependency "dependencies/service_one"
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require_dependency "dependencies/service_one"
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assert_equal 1, ActiveSupport::Dependencies.loaded.size
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end
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ensure
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remove_constants(:ServiceOne)
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end
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def test_missing_dependency_raises_missing_source_file
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assert_raise(LoadError) { require_dependency("missing_service") }
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end
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def test_dependency_which_raises_exception_isnt_added_to_loaded_set
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with_loading do
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filename = "dependencies/raises_exception"
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expanded = File.expand_path(filename)
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$raises_exception_load_count = 0
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5.times do |count|
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e = assert_raise Exception, "should have loaded dependencies/raises_exception which raises an exception" do
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require_dependency filename
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end
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assert_equal "Loading me failed, so do not add to loaded or history.", e.message
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assert_equal count + 1, $raises_exception_load_count
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assert_not ActiveSupport::Dependencies.loaded.include?(expanded)
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assert_not ActiveSupport::Dependencies.history.include?(expanded)
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end
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end
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end
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def test_dependency_which_raises_doesnt_blindly_call_blame_file!
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with_loading do
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filename = "dependencies/raises_exception_without_blame_file"
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assert_raises(Exception) { require_dependency filename }
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end
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end
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def test_warnings_should_be_enabled_on_first_load
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with_loading "dependencies" do
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old_warnings, ActiveSupport::Dependencies.warnings_on_first_load = ActiveSupport::Dependencies.warnings_on_first_load, true
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filename = "check_warnings"
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expanded = File.expand_path("dependencies/#{filename}", __dir__)
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$check_warnings_load_count = 0
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assert_not ActiveSupport::Dependencies.loaded.include?(expanded)
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assert_not ActiveSupport::Dependencies.history.include?(expanded)
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silence_warnings { require_dependency filename }
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assert_equal 1, $check_warnings_load_count
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assert_equal true, $checked_verbose, "On first load warnings should be enabled."
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assert_includes ActiveSupport::Dependencies.loaded, expanded
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ActiveSupport::Dependencies.clear
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assert_not ActiveSupport::Dependencies.loaded.include?(expanded)
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assert_includes ActiveSupport::Dependencies.history, expanded
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silence_warnings { require_dependency filename }
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assert_equal 2, $check_warnings_load_count
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assert_nil $checked_verbose, "After first load warnings should be left alone."
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assert_includes ActiveSupport::Dependencies.loaded, expanded
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ActiveSupport::Dependencies.clear
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assert_not ActiveSupport::Dependencies.loaded.include?(expanded)
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assert_includes ActiveSupport::Dependencies.history, expanded
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enable_warnings { require_dependency filename }
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assert_equal 3, $check_warnings_load_count
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assert_equal true, $checked_verbose, "After first load warnings should be left alone."
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assert_includes ActiveSupport::Dependencies.loaded, expanded
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ActiveSupport::Dependencies.warnings_on_first_load = old_warnings
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end
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end
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def test_mutual_dependencies_dont_infinite_loop
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with_loading "dependencies" do
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$mutual_dependencies_count = 0
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assert_nothing_raised { require_dependency "mutual_one" }
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assert_equal 2, $mutual_dependencies_count
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ActiveSupport::Dependencies.clear
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$mutual_dependencies_count = 0
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assert_nothing_raised { require_dependency "mutual_two" }
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assert_equal 2, $mutual_dependencies_count
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end
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end
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def test_circular_autoloading_detection
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with_autoloading_fixtures do
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e = assert_raise(RuntimeError) { Circular1 }
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assert_equal "Circular dependency detected while autoloading constant Circular1", e.message
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end
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end
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def test_ensures_the_expected_constant_is_defined
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with_autoloading_fixtures do
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e = assert_raise(LoadError) { Typo }
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assert_match %r{Unable to autoload constant Typo, expected .*/test/autoloading_fixtures/typo.rb to define it}, e.message
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end
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end
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def test_require_dependency_does_not_assume_any_particular_constant_is_defined
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with_autoloading_fixtures do
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require_dependency "typo"
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assert_equal 1, TypO
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end
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end
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# Regression, see https://github.com/rails/rails/issues/16468.
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def test_require_dependency_interaction_with_autoloading
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with_autoloading_fixtures do
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require_dependency "typo"
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assert_equal 1, TypO
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e = assert_raise(LoadError) { Typo }
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assert_match %r{Unable to autoload constant Typo, expected .*/test/autoloading_fixtures/typo.rb to define it}, e.message
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end
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end
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# Regression see https://github.com/rails/rails/issues/31694
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def test_included_constant_that_changes_to_have_exception_then_back_does_not_loop_forever
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# This constant references a nested constant whose namespace will be auto-generated
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parent_constant = <<-RUBY
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class ConstantReloadError
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AnotherConstant::ReloadError
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end
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RUBY
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# This constant's namespace will be auto-generated,
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# also, we'll edit it to contain an error at load-time
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child_constant = <<-RUBY
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class AnotherConstant::ReloadError
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# no_such_method_as_this
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end
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RUBY
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# Create a version which contains an error during loading
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child_constant_with_error = child_constant.sub("# no_such_method_as_this", "no_such_method_as_this")
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fixtures_path = File.join(__dir__, "autoloading_fixtures")
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Dir.mktmpdir(nil, fixtures_path) do |tmpdir|
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# Set up the file structure where constants will be loaded from
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child_constant_path = "#{tmpdir}/another_constant/reload_error.rb"
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File.write("#{tmpdir}/constant_reload_error.rb", parent_constant)
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Dir.mkdir("#{tmpdir}/another_constant")
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File.write(child_constant_path, child_constant_with_error)
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tmpdir_name = tmpdir.split("/").last
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with_loading("autoloading_fixtures/#{tmpdir_name}") do
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# Load the file, with the error:
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assert_raises(NameError) {
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ConstantReloadError
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}
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Timeout.timeout(0.1) do
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# Remove the constant, as if Rails development middleware is reloading changed files:
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ActiveSupport::Dependencies.remove_unloadable_constants!
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assert_not defined?(AnotherConstant::ReloadError)
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end
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# Change the file, so that it is **correct** this time:
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File.write(child_constant_path, child_constant)
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# Again: Remove the constant, as if Rails development middleware is reloading changed files:
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ActiveSupport::Dependencies.remove_unloadable_constants!
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assert_not defined?(AnotherConstant::ReloadError)
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# Now, reload the _fixed_ constant:
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assert ConstantReloadError
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assert AnotherConstant::ReloadError
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end
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end
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end
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def test_module_loading
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with_autoloading_fixtures do
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assert_kind_of Module, A
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assert_kind_of Class, A::B
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assert_kind_of Class, A::C::D
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assert_kind_of Class, A::C::EM::F
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end
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end
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def test_non_existing_const_raises_name_error
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with_autoloading_fixtures do
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assert_raise(NameError) { DoesNotExist }
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assert_raise(NameError) { NoModule::DoesNotExist }
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assert_raise(NameError) { A::DoesNotExist }
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assert_raise(NameError) { A::B::DoesNotExist }
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end
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end
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def test_directories_manifest_as_modules_unless_const_defined
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with_autoloading_fixtures do
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assert_kind_of Module, ModuleFolder
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end
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ensure
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remove_constants(:ModuleFolder)
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end
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def test_module_with_nested_class
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with_autoloading_fixtures do
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assert_kind_of Class, ModuleFolder::NestedClass
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end
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ensure
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remove_constants(:ModuleFolder)
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end
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def test_module_with_nested_inline_class
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with_autoloading_fixtures do
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assert_kind_of Class, ModuleFolder::InlineClass
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end
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ensure
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remove_constants(:ModuleFolder)
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end
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def test_module_with_nested_class_requiring_lib_class
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with_autoloading_fixtures do
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_ = ModuleFolder::NestedWithRequire # assignment to silence parse-time warning "possibly useless use of :: in void context"
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assert defined?(ModuleFolder::LibClass)
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assert_not ActiveSupport::Dependencies.autoloaded_constants.include?("ModuleFolder::LibClass")
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assert_not ActiveSupport::Dependencies.autoloaded_constants.include?("ConstFromLib")
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end
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ensure
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remove_constants(:ModuleFolder)
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remove_constants(:ConstFromLib)
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end
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def test_module_with_nested_class_and_parent_requiring_lib_class
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with_autoloading_fixtures do
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_ = NestedWithRequireParent # assignment to silence parse-time warning "possibly useless use of a constant in void context"
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assert defined?(ModuleFolder::LibClass)
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assert_not ActiveSupport::Dependencies.autoloaded_constants.include?("ModuleFolder::LibClass")
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assert_not ActiveSupport::Dependencies.autoloaded_constants.include?("ConstFromLib")
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end
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ensure
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remove_constants(:ModuleFolder)
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remove_constants(:ConstFromLib)
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end
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def test_directories_may_manifest_as_nested_classes
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with_autoloading_fixtures do
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assert_kind_of Class, ClassFolder
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end
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ensure
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remove_constants(:ClassFolder)
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end
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def test_class_with_nested_class
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with_autoloading_fixtures do
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assert_kind_of Class, ClassFolder::NestedClass
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end
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ensure
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remove_constants(:ClassFolder)
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end
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def test_class_with_nested_inline_class
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with_autoloading_fixtures do
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assert_kind_of Class, ClassFolder::InlineClass
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end
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ensure
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remove_constants(:ClassFolder)
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end
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def test_class_with_nested_inline_subclass_of_parent
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with_autoloading_fixtures do
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assert_kind_of Class, ClassFolder::ClassFolderSubclass
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assert_kind_of Class, ClassFolder
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assert_equal "indeed", ClassFolder::ClassFolderSubclass::ConstantInClassFolder
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end
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ensure
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remove_constants(:ClassFolder)
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end
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def test_nested_class_can_access_sibling
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with_autoloading_fixtures do
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sibling = ModuleFolder::NestedClass.class_eval "NestedSibling"
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assert defined?(ModuleFolder::NestedSibling)
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assert_equal ModuleFolder::NestedSibling, sibling
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end
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ensure
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remove_constants(:ModuleFolder)
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end
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def test_raising_discards_autoloaded_constants
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with_autoloading_fixtures do
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e = assert_raises(Exception) { RaisesArbitraryException }
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assert_equal("arbitrary exception message", e.message)
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assert_not defined?(A)
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assert_not defined?(RaisesArbitraryException)
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end
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ensure
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remove_constants(:A, :RaisesArbitraryException)
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end
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def test_throwing_discards_autoloaded_constants
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with_autoloading_fixtures do
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catch :t do
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Throws
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end
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assert_not defined?(A)
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assert_not defined?(Throws)
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end
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ensure
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remove_constants(:A, :Throws)
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end
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def test_doesnt_break_normal_require
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path = File.expand_path("autoloading_fixtures/load_path", __dir__)
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original_path = $:.dup
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$:.push(path)
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with_autoloading_fixtures do
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# The _ = assignments are to prevent warnings
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_ = RequiresConstant
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assert defined?(RequiresConstant)
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assert defined?(LoadedConstant)
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ActiveSupport::Dependencies.clear
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_ = RequiresConstant
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assert defined?(RequiresConstant)
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assert defined?(LoadedConstant)
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end
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ensure
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remove_constants(:RequiresConstant, :LoadedConstant)
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$:.replace(original_path)
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end
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def test_doesnt_break_normal_require_nested
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path = File.expand_path("autoloading_fixtures/load_path", __dir__)
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original_path = $:.dup
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$:.push(path)
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with_autoloading_fixtures do
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# The _ = assignments are to prevent warnings
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_ = LoadsConstant
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assert defined?(LoadsConstant)
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assert defined?(LoadedConstant)
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ActiveSupport::Dependencies.clear
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_ = LoadsConstant
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assert defined?(LoadsConstant)
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assert defined?(LoadedConstant)
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end
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ensure
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remove_constants(:RequiresConstant, :LoadedConstant, :LoadsConstant)
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$:.replace(original_path)
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end
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def test_require_returns_true_when_file_not_yet_required
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path = File.expand_path("autoloading_fixtures/load_path", __dir__)
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original_path = $:.dup
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$:.push(path)
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with_loading do
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assert_equal true, require("loaded_constant")
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end
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ensure
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remove_constants(:LoadedConstant)
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$:.replace(original_path)
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end
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def test_require_returns_true_when_file_not_yet_required_even_when_no_new_constants_added
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path = File.expand_path("autoloading_fixtures/load_path", __dir__)
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original_path = $:.dup
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$:.push(path)
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with_loading do
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Object.module_eval "module LoadedConstant; end"
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assert_equal true, require("loaded_constant")
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end
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ensure
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remove_constants(:LoadedConstant)
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$:.replace(original_path)
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end
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def test_require_returns_false_when_file_already_required
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path = File.expand_path("autoloading_fixtures/load_path", __dir__)
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original_path = $:.dup
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$:.push(path)
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with_loading do
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require "loaded_constant"
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assert_equal false, require("loaded_constant")
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end
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ensure
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remove_constants(:LoadedConstant)
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$:.replace(original_path)
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end
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def test_require_raises_load_error_when_file_not_found
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with_loading do
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assert_raise(LoadError) { require "this_file_dont_exist_dude" }
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end
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end
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def test_load_returns_true_when_file_found
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path = File.expand_path("autoloading_fixtures/load_path", __dir__)
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original_path = $:.dup
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$:.push(path)
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with_loading do
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assert_equal true, load("loaded_constant.rb")
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assert_equal true, load("loaded_constant.rb")
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end
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ensure
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remove_constants(:LoadedConstant)
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$:.replace(original_path)
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end
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def test_load_raises_load_error_when_file_not_found
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with_loading do
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assert_raise(LoadError) { load "this_file_dont_exist_dude.rb" }
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end
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end
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def test_access_thru_and_upwards_fails
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with_autoloading_fixtures do
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assert_not defined?(ModuleFolder)
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assert_raise(NameError) { ModuleFolder::Object }
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assert_raise(NameError) { ModuleFolder::NestedClass::Object }
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end
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ensure
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remove_constants(:ModuleFolder)
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end
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def test_non_existing_const_raises_name_error_with_fully_qualified_name
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with_autoloading_fixtures do
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e = assert_raise(NameError) { A::DoesNotExist.nil? }
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assert_equal "uninitialized constant A::DoesNotExist", e.message
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assert_equal :DoesNotExist, e.name
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e = assert_raise(NameError) { A::B::DoesNotExist.nil? }
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assert_equal "uninitialized constant A::B::DoesNotExist", e.message
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assert_equal :DoesNotExist, e.name
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end
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ensure
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remove_constants(:A)
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end
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def test_smart_name_error_strings
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e = assert_raise NameError do
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Object.module_eval "ImaginaryObject"
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end
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assert_includes "uninitialized constant ImaginaryObject", e.message
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end
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def test_loadable_constants_for_path_should_handle_empty_autoloads
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assert_equal [], ActiveSupport::Dependencies.loadable_constants_for_path("hello")
|
|
end
|
|
|
|
def test_loadable_constants_for_path_should_handle_relative_paths
|
|
fake_root = "dependencies"
|
|
relative_root = File.expand_path("dependencies", __dir__)
|
|
["", "/"].each do |suffix|
|
|
with_loading fake_root + suffix do
|
|
assert_equal ["A::B"], ActiveSupport::Dependencies.loadable_constants_for_path(relative_root + "/a/b")
|
|
end
|
|
end
|
|
end
|
|
|
|
def test_loadable_constants_for_path_should_provide_all_results
|
|
fake_root = "/usr/apps/backpack"
|
|
with_loading fake_root, fake_root + "/lib" do
|
|
root = ActiveSupport::Dependencies.autoload_paths.first
|
|
assert_equal ["Lib::A::B", "A::B"], ActiveSupport::Dependencies.loadable_constants_for_path(root + "/lib/a/b")
|
|
end
|
|
end
|
|
|
|
def test_loadable_constants_for_path_should_uniq_results
|
|
fake_root = "/usr/apps/backpack/lib"
|
|
with_loading fake_root, fake_root + "/" do
|
|
root = ActiveSupport::Dependencies.autoload_paths.first
|
|
assert_equal ["A::B"], ActiveSupport::Dependencies.loadable_constants_for_path(root + "/a/b")
|
|
end
|
|
end
|
|
|
|
def test_loadable_constants_with_load_path_without_trailing_slash
|
|
path = File.expand_path("autoloading_fixtures/class_folder/inline_class.rb", __dir__)
|
|
with_loading "autoloading_fixtures/class/" do
|
|
assert_equal [], ActiveSupport::Dependencies.loadable_constants_for_path(path)
|
|
end
|
|
end
|
|
|
|
def test_qualified_const_defined
|
|
assert ActiveSupport::Dependencies.qualified_const_defined?("Object")
|
|
assert ActiveSupport::Dependencies.qualified_const_defined?("::Object")
|
|
assert ActiveSupport::Dependencies.qualified_const_defined?("::Object::Kernel")
|
|
assert ActiveSupport::Dependencies.qualified_const_defined?("::ActiveSupport::TestCase")
|
|
end
|
|
|
|
def test_qualified_const_defined_should_not_call_const_missing
|
|
ModuleWithMissing.missing_count = 0
|
|
assert_not ActiveSupport::Dependencies.qualified_const_defined?("ModuleWithMissing::A")
|
|
assert_equal 0, ModuleWithMissing.missing_count
|
|
assert_not ActiveSupport::Dependencies.qualified_const_defined?("ModuleWithMissing::A::B")
|
|
assert_equal 0, ModuleWithMissing.missing_count
|
|
end
|
|
|
|
def test_qualified_const_defined_explodes_with_invalid_const_name
|
|
assert_raises(NameError) { ActiveSupport::Dependencies.qualified_const_defined?("invalid") }
|
|
end
|
|
|
|
def test_autoloaded?
|
|
with_autoloading_fixtures do
|
|
assert_not ActiveSupport::Dependencies.autoloaded?("ModuleFolder")
|
|
assert_not ActiveSupport::Dependencies.autoloaded?("ModuleFolder::NestedClass")
|
|
|
|
assert ActiveSupport::Dependencies.autoloaded?(ModuleFolder)
|
|
|
|
assert ActiveSupport::Dependencies.autoloaded?("ModuleFolder")
|
|
assert_not ActiveSupport::Dependencies.autoloaded?("ModuleFolder::NestedClass")
|
|
|
|
assert ActiveSupport::Dependencies.autoloaded?(ModuleFolder::NestedClass)
|
|
|
|
assert ActiveSupport::Dependencies.autoloaded?("ModuleFolder")
|
|
assert ActiveSupport::Dependencies.autoloaded?("ModuleFolder::NestedClass")
|
|
|
|
assert ActiveSupport::Dependencies.autoloaded?("::ModuleFolder")
|
|
assert ActiveSupport::Dependencies.autoloaded?(:ModuleFolder)
|
|
|
|
# Anonymous modules aren't autoloaded.
|
|
assert_not ActiveSupport::Dependencies.autoloaded?(Module.new)
|
|
|
|
nil_name = Module.new
|
|
def nil_name.name() nil end
|
|
assert_not ActiveSupport::Dependencies.autoloaded?(nil_name)
|
|
|
|
invalid_constant_name = Module.new do
|
|
def self.name
|
|
"primary::SchemaMigration"
|
|
end
|
|
end
|
|
assert_not ActiveSupport::Dependencies.autoloaded?(invalid_constant_name)
|
|
end
|
|
ensure
|
|
remove_constants(:ModuleFolder)
|
|
end
|
|
|
|
def test_qualified_name_for
|
|
assert_equal "A", ActiveSupport::Dependencies.qualified_name_for(Object, :A)
|
|
assert_equal "A", ActiveSupport::Dependencies.qualified_name_for(:Object, :A)
|
|
assert_equal "A", ActiveSupport::Dependencies.qualified_name_for("Object", :A)
|
|
assert_equal "A", ActiveSupport::Dependencies.qualified_name_for("::Object", :A)
|
|
|
|
assert_equal "ActiveSupport::Dependencies::A", ActiveSupport::Dependencies.qualified_name_for(:'ActiveSupport::Dependencies', :A)
|
|
assert_equal "ActiveSupport::Dependencies::A", ActiveSupport::Dependencies.qualified_name_for(ActiveSupport::Dependencies, :A)
|
|
end
|
|
|
|
def test_file_search
|
|
with_loading "dependencies" do
|
|
root = ActiveSupport::Dependencies.autoload_paths.first
|
|
assert_nil ActiveSupport::Dependencies.search_for_file("service_three")
|
|
assert_nil ActiveSupport::Dependencies.search_for_file("service_three.rb")
|
|
assert_equal root + "/service_one.rb", ActiveSupport::Dependencies.search_for_file("service_one")
|
|
assert_equal root + "/service_one.rb", ActiveSupport::Dependencies.search_for_file("service_one.rb")
|
|
end
|
|
end
|
|
|
|
def test_file_search_uses_first_in_load_path
|
|
with_loading "dependencies", "autoloading_fixtures" do
|
|
deps, autoload = ActiveSupport::Dependencies.autoload_paths
|
|
assert_match %r/dependencies/, deps
|
|
assert_match %r/autoloading_fixtures/, autoload
|
|
|
|
assert_equal deps + "/conflict.rb", ActiveSupport::Dependencies.search_for_file("conflict")
|
|
end
|
|
with_loading "autoloading_fixtures", "dependencies" do
|
|
autoload, deps = ActiveSupport::Dependencies.autoload_paths
|
|
assert_match %r/dependencies/, deps
|
|
assert_match %r/autoloading_fixtures/, autoload
|
|
|
|
assert_equal autoload + "/conflict.rb", ActiveSupport::Dependencies.search_for_file("conflict")
|
|
end
|
|
end
|
|
|
|
def test_custom_const_missing_should_work
|
|
Object.module_eval <<-end_eval, __FILE__, __LINE__ + 1
|
|
module ModuleWithCustomConstMissing
|
|
def self.const_missing(name)
|
|
const_set name, name.to_s.hash
|
|
end
|
|
|
|
module A
|
|
end
|
|
end
|
|
end_eval
|
|
|
|
with_autoloading_fixtures do
|
|
assert_kind_of Integer, ::ModuleWithCustomConstMissing::B
|
|
assert_kind_of Module, ::ModuleWithCustomConstMissing::A
|
|
assert_kind_of String, ::ModuleWithCustomConstMissing::A::B
|
|
end
|
|
ensure
|
|
remove_constants(:ModuleWithCustomConstMissing)
|
|
end
|
|
|
|
def test_const_missing_in_anonymous_modules_loads_top_level_constants
|
|
with_autoloading_fixtures do
|
|
# class_eval STRING pushes the class to the nesting of the eval'ed code.
|
|
klass = Class.new.class_eval "EM"
|
|
assert_equal EM, klass
|
|
end
|
|
ensure
|
|
remove_constants(:EM)
|
|
end
|
|
|
|
def test_const_missing_in_anonymous_modules_raises_if_the_constant_belongs_to_Object
|
|
with_autoloading_fixtures do
|
|
require_dependency "em"
|
|
|
|
mod = Module.new
|
|
e = assert_raise(NameError) { mod::EM }
|
|
assert_equal "EM cannot be autoloaded from an anonymous class or module", e.message
|
|
assert_equal :EM, e.name
|
|
end
|
|
ensure
|
|
remove_constants(:EM)
|
|
end
|
|
|
|
def test_removal_from_tree_should_be_detected
|
|
with_loading "dependencies" do
|
|
c = ServiceOne
|
|
ActiveSupport::Dependencies.clear
|
|
assert_not defined?(ServiceOne)
|
|
e = assert_raise ArgumentError do
|
|
ActiveSupport::Dependencies.load_missing_constant(c, :FakeMissing)
|
|
end
|
|
assert_match %r{ServiceOne has been removed from the module tree}i, e.message
|
|
end
|
|
ensure
|
|
remove_constants(:ServiceOne)
|
|
end
|
|
|
|
def test_references_should_work
|
|
with_loading "dependencies" do
|
|
c = ActiveSupport::Dependencies.reference("ServiceOne")
|
|
service_one_first = ServiceOne
|
|
assert_equal service_one_first, c.get("ServiceOne")
|
|
ActiveSupport::Dependencies.clear
|
|
assert_not defined?(ServiceOne)
|
|
service_one_second = ServiceOne
|
|
assert_not_equal service_one_first, c.get("ServiceOne")
|
|
assert_equal service_one_second, c.get("ServiceOne")
|
|
end
|
|
ensure
|
|
remove_constants(:ServiceOne)
|
|
end
|
|
|
|
def test_constantize_shortcut_for_cached_constant_lookups
|
|
with_loading "dependencies" do
|
|
assert_equal ServiceOne, ActiveSupport::Dependencies.constantize("ServiceOne")
|
|
end
|
|
ensure
|
|
remove_constants(:ServiceOne)
|
|
end
|
|
|
|
def test_nested_load_error_isnt_rescued
|
|
with_loading "dependencies" do
|
|
assert_raise(LoadError) do
|
|
RequiresNonexistent1
|
|
end
|
|
end
|
|
end
|
|
|
|
def test_autoload_once_paths_do_not_add_to_autoloaded_constants
|
|
old_path = ActiveSupport::Dependencies.autoload_once_paths
|
|
with_autoloading_fixtures do
|
|
ActiveSupport::Dependencies.autoload_once_paths = ActiveSupport::Dependencies.autoload_paths.dup
|
|
|
|
assert_not ActiveSupport::Dependencies.autoloaded?("ModuleFolder")
|
|
assert_not ActiveSupport::Dependencies.autoloaded?("ModuleFolder::NestedClass")
|
|
assert_not ActiveSupport::Dependencies.autoloaded?(ModuleFolder)
|
|
|
|
1 if ModuleFolder::NestedClass # 1 if to avoid warning
|
|
assert_not ActiveSupport::Dependencies.autoloaded?(ModuleFolder::NestedClass)
|
|
end
|
|
ensure
|
|
remove_constants(:ModuleFolder)
|
|
ActiveSupport::Dependencies.autoload_once_paths = old_path
|
|
end
|
|
|
|
def test_autoload_once_pathnames_do_not_add_to_autoloaded_constants
|
|
with_autoloading_fixtures do
|
|
pathnames = ActiveSupport::Dependencies.autoload_paths.collect { |p| Pathname.new(p) }
|
|
ActiveSupport::Dependencies.autoload_paths = pathnames
|
|
ActiveSupport::Dependencies.autoload_once_paths = pathnames
|
|
|
|
assert_not ActiveSupport::Dependencies.autoloaded?("ModuleFolder")
|
|
assert_not ActiveSupport::Dependencies.autoloaded?("ModuleFolder::NestedClass")
|
|
assert_not ActiveSupport::Dependencies.autoloaded?(ModuleFolder)
|
|
|
|
1 if ModuleFolder::NestedClass # 1 if to avoid warning
|
|
assert_not ActiveSupport::Dependencies.autoloaded?(ModuleFolder::NestedClass)
|
|
end
|
|
ensure
|
|
remove_constants(:ModuleFolder)
|
|
ActiveSupport::Dependencies.autoload_once_paths = []
|
|
end
|
|
|
|
def test_application_should_special_case_application_controller
|
|
with_autoloading_fixtures do
|
|
require_dependency "application"
|
|
assert_equal 10, ApplicationController
|
|
assert ActiveSupport::Dependencies.autoloaded?(:ApplicationController)
|
|
end
|
|
ensure
|
|
remove_constants(:ApplicationController)
|
|
end
|
|
|
|
def test_preexisting_constants_are_not_marked_as_autoloaded
|
|
with_autoloading_fixtures do
|
|
require_dependency "em"
|
|
assert ActiveSupport::Dependencies.autoloaded?(:EM)
|
|
ActiveSupport::Dependencies.clear
|
|
end
|
|
|
|
Object.const_set :EM, Class.new
|
|
with_autoloading_fixtures do
|
|
require_dependency "em"
|
|
assert_not ActiveSupport::Dependencies.autoloaded?(:EM), "EM shouldn't be marked autoloaded!"
|
|
ActiveSupport::Dependencies.clear
|
|
end
|
|
ensure
|
|
remove_constants(:EM)
|
|
end
|
|
|
|
def test_constants_in_capitalized_nesting_marked_as_autoloaded
|
|
with_autoloading_fixtures do
|
|
ActiveSupport::Dependencies.load_missing_constant(HTML, "SomeClass")
|
|
|
|
assert ActiveSupport::Dependencies.autoloaded?("HTML::SomeClass")
|
|
end
|
|
ensure
|
|
remove_constants(:HTML)
|
|
end
|
|
|
|
def test_unloadable
|
|
with_autoloading_fixtures do
|
|
Object.const_set :M, Module.new
|
|
M.unloadable
|
|
|
|
ActiveSupport::Dependencies.clear
|
|
assert_not defined?(M)
|
|
|
|
Object.const_set :M, Module.new
|
|
ActiveSupport::Dependencies.clear
|
|
assert_not defined?(M), "Dependencies should unload unloadable constants each time"
|
|
end
|
|
end
|
|
|
|
def test_unloadable_should_fail_with_anonymous_modules
|
|
with_autoloading_fixtures do
|
|
m = Module.new
|
|
assert_raise(ArgumentError) { m.unloadable }
|
|
end
|
|
end
|
|
|
|
def test_unloadable_should_return_change_flag
|
|
with_autoloading_fixtures do
|
|
Object.const_set :M, Module.new
|
|
assert_equal true, M.unloadable
|
|
assert_equal false, M.unloadable
|
|
end
|
|
ensure
|
|
remove_constants(:M)
|
|
end
|
|
|
|
def test_unloadable_constants_should_receive_callback
|
|
Object.const_set :C, Class.new { def self.before_remove_const; end }
|
|
C.unloadable
|
|
assert_called(C, :before_remove_const, times: 1) do
|
|
assert_respond_to C, :before_remove_const
|
|
ActiveSupport::Dependencies.clear
|
|
assert_not defined?(C)
|
|
end
|
|
ensure
|
|
remove_constants(:C)
|
|
end
|
|
|
|
def test_new_constants_in_without_constants
|
|
assert_equal [], (ActiveSupport::Dependencies.new_constants_in(Object) { })
|
|
assert ActiveSupport::Dependencies.constant_watch_stack.all? { |k, v| v.empty? }
|
|
end
|
|
|
|
def test_new_constants_in_with_a_single_constant
|
|
assert_equal ["Hello"], ActiveSupport::Dependencies.new_constants_in(Object) {
|
|
Object.const_set :Hello, 10
|
|
}.map(&:to_s)
|
|
assert ActiveSupport::Dependencies.constant_watch_stack.all? { |k, v| v.empty? }
|
|
ensure
|
|
remove_constants(:Hello)
|
|
end
|
|
|
|
def test_new_constants_in_with_nesting
|
|
outer = ActiveSupport::Dependencies.new_constants_in(Object) do
|
|
Object.const_set :OuterBefore, 10
|
|
|
|
assert_equal ["Inner"], ActiveSupport::Dependencies.new_constants_in(Object) {
|
|
Object.const_set :Inner, 20
|
|
}.map(&:to_s)
|
|
|
|
Object.const_set :OuterAfter, 30
|
|
end
|
|
|
|
assert_equal ["OuterAfter", "OuterBefore"], outer.sort.map(&:to_s)
|
|
assert ActiveSupport::Dependencies.constant_watch_stack.all? { |k, v| v.empty? }
|
|
ensure
|
|
remove_constants(:OuterBefore, :Inner, :OuterAfter)
|
|
end
|
|
|
|
def test_new_constants_in_module
|
|
Object.const_set :M, Module.new
|
|
|
|
outer = ActiveSupport::Dependencies.new_constants_in(M) do
|
|
M.const_set :OuterBefore, 10
|
|
|
|
inner = ActiveSupport::Dependencies.new_constants_in(M) do
|
|
M.const_set :Inner, 20
|
|
end
|
|
assert_equal ["M::Inner"], inner
|
|
|
|
M.const_set :OuterAfter, 30
|
|
end
|
|
assert_equal ["M::OuterAfter", "M::OuterBefore"], outer.sort
|
|
assert ActiveSupport::Dependencies.constant_watch_stack.all? { |k, v| v.empty? }
|
|
ensure
|
|
remove_constants(:M)
|
|
end
|
|
|
|
def test_new_constants_in_module_using_name
|
|
outer = ActiveSupport::Dependencies.new_constants_in(:M) do
|
|
Object.const_set :M, Module.new
|
|
M.const_set :OuterBefore, 10
|
|
|
|
inner = ActiveSupport::Dependencies.new_constants_in(:M) do
|
|
M.const_set :Inner, 20
|
|
end
|
|
assert_equal ["M::Inner"], inner
|
|
|
|
M.const_set :OuterAfter, 30
|
|
end
|
|
assert_equal ["M::OuterAfter", "M::OuterBefore"], outer.sort
|
|
assert ActiveSupport::Dependencies.constant_watch_stack.all? { |k, v| v.empty? }
|
|
ensure
|
|
remove_constants(:M)
|
|
end
|
|
|
|
def test_new_constants_in_with_inherited_constants
|
|
m = ActiveSupport::Dependencies.new_constants_in(:Object) do
|
|
Object.class_eval { include ModuleWithConstant }
|
|
end
|
|
assert_equal [], m
|
|
end
|
|
|
|
def test_new_constants_in_with_illegal_module_name_raises_correct_error
|
|
assert_raise(NameError) do
|
|
ActiveSupport::Dependencies.new_constants_in("Illegal-Name") { }
|
|
end
|
|
end
|
|
|
|
def test_file_with_multiple_constants_and_require_dependency
|
|
with_autoloading_fixtures do
|
|
assert_not defined?(MultipleConstantFile)
|
|
assert_not defined?(SiblingConstant)
|
|
|
|
require_dependency "multiple_constant_file"
|
|
assert defined?(MultipleConstantFile)
|
|
assert defined?(SiblingConstant)
|
|
assert ActiveSupport::Dependencies.autoloaded?(:MultipleConstantFile)
|
|
assert ActiveSupport::Dependencies.autoloaded?(:SiblingConstant)
|
|
ActiveSupport::Dependencies.clear
|
|
|
|
assert_not defined?(MultipleConstantFile)
|
|
assert_not defined?(SiblingConstant)
|
|
end
|
|
ensure
|
|
remove_constants(:MultipleConstantFile, :SiblingConstant)
|
|
end
|
|
|
|
def test_file_with_multiple_constants_and_auto_loading
|
|
with_autoloading_fixtures do
|
|
assert_not defined?(MultipleConstantFile)
|
|
assert_not defined?(SiblingConstant)
|
|
|
|
assert_equal 10, MultipleConstantFile
|
|
|
|
assert defined?(MultipleConstantFile)
|
|
assert defined?(SiblingConstant)
|
|
assert ActiveSupport::Dependencies.autoloaded?(:MultipleConstantFile)
|
|
assert ActiveSupport::Dependencies.autoloaded?(:SiblingConstant)
|
|
|
|
ActiveSupport::Dependencies.clear
|
|
|
|
assert_not defined?(MultipleConstantFile)
|
|
assert_not defined?(SiblingConstant)
|
|
end
|
|
ensure
|
|
remove_constants(:MultipleConstantFile, :SiblingConstant)
|
|
end
|
|
|
|
def test_nested_file_with_multiple_constants_and_require_dependency
|
|
with_autoloading_fixtures do
|
|
assert_not defined?(ClassFolder::NestedClass)
|
|
assert_not defined?(ClassFolder::SiblingClass)
|
|
|
|
require_dependency "class_folder/nested_class"
|
|
|
|
assert defined?(ClassFolder::NestedClass)
|
|
assert defined?(ClassFolder::SiblingClass)
|
|
assert ActiveSupport::Dependencies.autoloaded?("ClassFolder::NestedClass")
|
|
assert ActiveSupport::Dependencies.autoloaded?("ClassFolder::SiblingClass")
|
|
|
|
ActiveSupport::Dependencies.clear
|
|
|
|
assert_not defined?(ClassFolder::NestedClass)
|
|
assert_not defined?(ClassFolder::SiblingClass)
|
|
end
|
|
ensure
|
|
remove_constants(:ClassFolder)
|
|
end
|
|
|
|
def test_nested_file_with_multiple_constants_and_auto_loading
|
|
with_autoloading_fixtures do
|
|
assert_not defined?(ClassFolder::NestedClass)
|
|
assert_not defined?(ClassFolder::SiblingClass)
|
|
|
|
assert_kind_of Class, ClassFolder::NestedClass
|
|
|
|
assert defined?(ClassFolder::NestedClass)
|
|
assert defined?(ClassFolder::SiblingClass)
|
|
assert ActiveSupport::Dependencies.autoloaded?("ClassFolder::NestedClass")
|
|
assert ActiveSupport::Dependencies.autoloaded?("ClassFolder::SiblingClass")
|
|
|
|
ActiveSupport::Dependencies.clear
|
|
|
|
assert_not defined?(ClassFolder::NestedClass)
|
|
assert_not defined?(ClassFolder::SiblingClass)
|
|
end
|
|
ensure
|
|
remove_constants(:ClassFolder)
|
|
end
|
|
|
|
def test_autoload_doesnt_shadow_no_method_error_with_relative_constant
|
|
with_autoloading_fixtures do
|
|
assert_not defined?(::RaisesNoMethodError), "::RaisesNoMethodError is defined but it hasn't been referenced yet!"
|
|
2.times do
|
|
assert_raise(NoMethodError) { RaisesNoMethodError }
|
|
assert_not defined?(::RaisesNoMethodError), "::RaisesNoMethodError is defined but it should have failed!"
|
|
end
|
|
end
|
|
ensure
|
|
remove_constants(:RaisesNoMethodError)
|
|
end
|
|
|
|
def test_autoload_doesnt_shadow_no_method_error_with_absolute_constant
|
|
with_autoloading_fixtures do
|
|
assert_not defined?(::RaisesNoMethodError), "::RaisesNoMethodError is defined but it hasn't been referenced yet!"
|
|
2.times do
|
|
assert_raise(NoMethodError) { ::RaisesNoMethodError }
|
|
assert_not defined?(::RaisesNoMethodError), "::RaisesNoMethodError is defined but it should have failed!"
|
|
end
|
|
end
|
|
ensure
|
|
remove_constants(:RaisesNoMethodError)
|
|
end
|
|
|
|
def test_autoload_doesnt_shadow_error_when_mechanism_not_set_to_load
|
|
with_autoloading_fixtures do
|
|
ActiveSupport::Dependencies.mechanism = :require
|
|
2.times do
|
|
assert_raise(NameError) { assert_equal 123, ::RaisesNameError::FooBarBaz }
|
|
end
|
|
end
|
|
ensure
|
|
remove_constants(:RaisesNameError)
|
|
end
|
|
|
|
def test_autoload_doesnt_shadow_name_error
|
|
with_autoloading_fixtures do
|
|
2.times do
|
|
e = assert_raise NameError do
|
|
::RaisesNameError::FooBarBaz.object_id
|
|
end
|
|
assert_equal "uninitialized constant RaisesNameError::FooBarBaz", e.message
|
|
assert_not defined?(::RaisesNameError), "::RaisesNameError is defined but it should have failed!"
|
|
end
|
|
|
|
assert_not defined?(::RaisesNameError)
|
|
2.times do
|
|
assert_raise(NameError) { ::RaisesNameError }
|
|
assert_not defined?(::RaisesNameError), "::RaisesNameError is defined but it should have failed!"
|
|
end
|
|
end
|
|
ensure
|
|
remove_constants(:RaisesNameError)
|
|
end
|
|
|
|
def test_remove_constant_handles_double_colon_at_start
|
|
Object.const_set "DeleteMe", Module.new
|
|
DeleteMe.const_set "OrMe", Module.new
|
|
ActiveSupport::Dependencies.remove_constant "::DeleteMe::OrMe"
|
|
assert_not defined?(DeleteMe::OrMe)
|
|
assert defined?(DeleteMe)
|
|
ActiveSupport::Dependencies.remove_constant "::DeleteMe"
|
|
assert_not defined?(DeleteMe)
|
|
ensure
|
|
remove_constants(:DeleteMe)
|
|
end
|
|
|
|
def test_remove_constant_does_not_trigger_loading_autoloads
|
|
constant = "ShouldNotBeAutoloaded"
|
|
Object.class_eval do
|
|
autoload constant, File.expand_path("autoloading_fixtures/should_not_be_required", __dir__)
|
|
end
|
|
|
|
assert_nil ActiveSupport::Dependencies.remove_constant(constant), "Kernel#autoload has been triggered by remove_constant"
|
|
assert_not defined?(ShouldNotBeAutoloaded)
|
|
ensure
|
|
remove_constants(constant)
|
|
end
|
|
|
|
def test_remove_constant_does_not_autoload_already_removed_parents_as_a_side_effect
|
|
with_autoloading_fixtures do
|
|
_ = ::A # assignment to silence parse-time warning "possibly useless use of :: in void context"
|
|
_ = ::A::B # assignment to silence parse-time warning "possibly useless use of :: in void context"
|
|
ActiveSupport::Dependencies.remove_constant("A")
|
|
ActiveSupport::Dependencies.remove_constant("A::B")
|
|
assert_not defined?(A)
|
|
end
|
|
ensure
|
|
remove_constants(:A)
|
|
end
|
|
|
|
def test_load_once_constants_should_not_be_unloaded
|
|
old_path = ActiveSupport::Dependencies.autoload_once_paths
|
|
with_autoloading_fixtures do
|
|
ActiveSupport::Dependencies.autoload_once_paths = ActiveSupport::Dependencies.autoload_paths
|
|
_ = ::A # assignment to silence parse-time warning "possibly useless use of :: in void context"
|
|
assert defined?(A)
|
|
ActiveSupport::Dependencies.clear
|
|
assert defined?(A)
|
|
end
|
|
ensure
|
|
ActiveSupport::Dependencies.autoload_once_paths = old_path
|
|
remove_constants(:A)
|
|
end
|
|
|
|
def test_access_unloaded_constants_for_reload
|
|
with_autoloading_fixtures do
|
|
assert_kind_of Module, A
|
|
assert_kind_of Class, A::B # Necessary to load A::B for the test
|
|
ActiveSupport::Dependencies.mark_for_unload(A::B)
|
|
ActiveSupport::Dependencies.remove_unloadable_constants!
|
|
|
|
A::B # Make sure no circular dependency error
|
|
end
|
|
ensure
|
|
remove_constants(:A)
|
|
end
|
|
|
|
def test_autoload_once_paths_should_behave_when_recursively_loading
|
|
old_path = ActiveSupport::Dependencies.autoload_once_paths
|
|
with_loading "dependencies", "autoloading_fixtures" do
|
|
ActiveSupport::Dependencies.autoload_once_paths = [ActiveSupport::Dependencies.autoload_paths.last]
|
|
assert_not defined?(CrossSiteDependency)
|
|
assert_nothing_raised { CrossSiteDepender.nil? }
|
|
assert defined?(CrossSiteDependency)
|
|
assert_not ActiveSupport::Dependencies.autoloaded?(CrossSiteDependency),
|
|
"CrossSiteDependency shouldn't be marked as autoloaded!"
|
|
ActiveSupport::Dependencies.clear
|
|
assert defined?(CrossSiteDependency),
|
|
"CrossSiteDependency shouldn't have been unloaded!"
|
|
end
|
|
ensure
|
|
ActiveSupport::Dependencies.autoload_once_paths = old_path
|
|
remove_constants(:CrossSiteDependency)
|
|
end
|
|
|
|
def test_hook_called_multiple_times
|
|
assert_nothing_raised { ActiveSupport::Dependencies.hook! }
|
|
end
|
|
|
|
def test_load_and_require_stay_private
|
|
assert_includes Object.private_methods, :load
|
|
assert_includes Object.private_methods, :require
|
|
|
|
ActiveSupport::Dependencies.unhook!
|
|
|
|
assert_includes Object.private_methods, :load
|
|
assert_includes Object.private_methods, :require
|
|
ensure
|
|
ActiveSupport::Dependencies.hook!
|
|
end
|
|
end
|
|
|
|
class DependenciesLogging < ActiveSupport::TestCase
|
|
MESSAGE = "message"
|
|
|
|
def with_settings(logger, verbose)
|
|
original_logger = ActiveSupport::Dependencies.logger
|
|
original_verbose = ActiveSupport::Dependencies.verbose
|
|
|
|
ActiveSupport::Dependencies.logger = logger
|
|
ActiveSupport::Dependencies.verbose = verbose
|
|
|
|
yield
|
|
ensure
|
|
ActiveSupport::Dependencies.logger = original_logger
|
|
ActiveSupport::Dependencies.verbose = original_verbose
|
|
end
|
|
|
|
def fake_logger
|
|
Class.new do
|
|
def self.debug(message)
|
|
message
|
|
end
|
|
end
|
|
end
|
|
|
|
test "does not log if the logger is nil and verbose is false" do
|
|
with_settings(nil, false) do
|
|
assert_nil ActiveSupport::Dependencies.log(MESSAGE)
|
|
end
|
|
end
|
|
|
|
test "does not log if the logger is nil and verbose is true" do
|
|
with_settings(nil, true) do
|
|
assert_nil ActiveSupport::Dependencies.log(MESSAGE)
|
|
end
|
|
end
|
|
|
|
test "does not log if the logger is set and verbose is false" do
|
|
with_settings(fake_logger, false) do
|
|
assert_nil ActiveSupport::Dependencies.log(MESSAGE)
|
|
end
|
|
end
|
|
|
|
test "logs if the logger is set and verbose is true" do
|
|
with_settings(fake_logger, true) do
|
|
assert_equal "autoloading: #{MESSAGE}", ActiveSupport::Dependencies.log(MESSAGE)
|
|
end
|
|
end
|
|
end
|