120 lines
3.8 KiB
Ruby
120 lines
3.8 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 DependenciesTest < ActiveSupport::TestCase
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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_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")
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end
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def test_qualified_const_defined
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assert ActiveSupport::Dependencies.qualified_const_defined?("Object")
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assert ActiveSupport::Dependencies.qualified_const_defined?("::Object")
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assert ActiveSupport::Dependencies.qualified_const_defined?("::Object::Kernel")
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assert ActiveSupport::Dependencies.qualified_const_defined?("::ActiveSupport::TestCase")
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end
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def test_qualified_const_defined_should_not_call_const_missing
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ModuleWithMissing.missing_count = 0
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assert_not ActiveSupport::Dependencies.qualified_const_defined?("ModuleWithMissing::A")
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assert_equal 0, ModuleWithMissing.missing_count
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assert_not ActiveSupport::Dependencies.qualified_const_defined?("ModuleWithMissing::A::B")
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assert_equal 0, ModuleWithMissing.missing_count
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end
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def test_qualified_const_defined_explodes_with_invalid_const_name
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assert_raises(NameError) { ActiveSupport::Dependencies.qualified_const_defined?("invalid") }
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end
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def test_qualified_name_for
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assert_equal "A", ActiveSupport::Dependencies.qualified_name_for(Object, :A)
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assert_equal "A", ActiveSupport::Dependencies.qualified_name_for(:Object, :A)
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assert_equal "A", ActiveSupport::Dependencies.qualified_name_for("Object", :A)
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assert_equal "A", ActiveSupport::Dependencies.qualified_name_for("::Object", :A)
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assert_equal "ActiveSupport::Dependencies::A", ActiveSupport::Dependencies.qualified_name_for(:'ActiveSupport::Dependencies', :A)
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assert_equal "ActiveSupport::Dependencies::A", ActiveSupport::Dependencies.qualified_name_for(ActiveSupport::Dependencies, :A)
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end
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def test_new_constants_in_with_inherited_constants
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m = ActiveSupport::Dependencies.new_constants_in(:Object) do
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Object.class_eval { include ModuleWithConstant }
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end
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assert_equal [], m
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end
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def test_new_constants_in_with_illegal_module_name_raises_correct_error
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assert_raise(NameError) do
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ActiveSupport::Dependencies.new_constants_in("Illegal-Name") { }
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end
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end
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def test_hook_called_multiple_times
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assert_nothing_raised { ActiveSupport::Dependencies.hook! }
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end
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def test_load_and_require_stay_private
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assert_includes Object.private_methods, :load
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assert_includes Object.private_methods, :require
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ActiveSupport::Dependencies.unhook!
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assert_includes Object.private_methods, :load
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assert_includes Object.private_methods, :require
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ensure
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ActiveSupport::Dependencies.hook!
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end
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# Coverage for require_dependency can be found in the railties test suite.
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end
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