ruby/test/ruby/test_namespace.rb
2025-05-11 23:32:50 +09:00

517 lines
17 KiB
Ruby

# frozen_string_literal: true
require 'test/unit'
class TestNamespace < Test::Unit::TestCase
ENV_ENABLE_NAMESPACE = {'RUBY_NAMESPACE' => '1'}
def setup
@n = Namespace.new if Namespace.enabled?
end
def teardown
@n = nil
end
def test_namespace_availability
env_has_RUBY_NAMESPACE = (ENV['RUBY_NAMESPACE'].to_i == 1)
assert_equal env_has_RUBY_NAMESPACE, Namespace.enabled?
end
def test_current_namespace
pend unless Namespace.enabled?
main = Namespace.current
assert main.inspect.include?("main")
@n.require_relative('namespace/current')
assert_equal @n, @n::CurrentNamespace.in_require
assert_equal @n, @n::CurrentNamespace.in_method_call
assert_equal main, Namespace.current
end
def test_require_rb_separately
pend unless Namespace.enabled?
assert_raise(NameError) { NS_A }
assert_raise(NameError) { NS_B }
@n.require(File.join(__dir__, 'namespace', 'a.1_1_0'))
assert_not_nil @n::NS_A
assert_not_nil @n::NS_B
assert_equal "1.1.0", @n::NS_A::VERSION
assert_equal "yay 1.1.0", @n::NS_A.new.yay
assert_equal "1.1.0", @n::NS_B::VERSION
assert_equal "yay_b1", @n::NS_B.yay
assert_raise(NameError) { NS_A }
assert_raise(NameError) { NS_B }
end
def test_require_relative_rb_separately
pend unless Namespace.enabled?
assert_raise(NameError) { NS_A }
assert_raise(NameError) { NS_B }
@n.require_relative('namespace/a.1_1_0')
assert_not_nil @n::NS_A
assert_not_nil @n::NS_B
assert_equal "1.1.0", @n::NS_A::VERSION
assert_equal "yay 1.1.0", @n::NS_A.new.yay
assert_equal "1.1.0", @n::NS_B::VERSION
assert_equal "yay_b1", @n::NS_B.yay
assert_raise(NameError) { NS_A }
assert_raise(NameError) { NS_B }
end
def test_load_separately
pend unless Namespace.enabled?
assert_raise(NameError) { NS_A }
assert_raise(NameError) { NS_B }
@n.load(File.join(__dir__, 'namespace', 'a.1_1_0.rb'))
assert_not_nil @n::NS_A
assert_not_nil @n::NS_B
assert_equal "1.1.0", @n::NS_A::VERSION
assert_equal "yay 1.1.0", @n::NS_A.new.yay
assert_equal "1.1.0", @n::NS_B::VERSION
assert_equal "yay_b1", @n::NS_B.yay
assert_raise(NameError) { NS_A }
assert_raise(NameError) { NS_B }
end
def test_namespace_in_namespace
pend unless Namespace.enabled?
assert_raise(NameError) { NS1 }
assert_raise(NameError) { NS_A }
assert_raise(NameError) { NS_B }
@n.require_relative('namespace/ns')
assert_not_nil @n::NS1
assert_not_nil @n::NS1::NS_A
assert_not_nil @n::NS1::NS_B
assert_equal "1.1.0", @n::NS1::NS_A::VERSION
assert_equal "yay 1.1.0", @n::NS1::NS_A.new.yay
assert_equal "1.1.0", @n::NS1::NS_B::VERSION
assert_equal "yay_b1", @n::NS1::NS_B.yay
assert_raise(NameError) { NS1 }
assert_raise(NameError) { NS_A }
assert_raise(NameError) { NS_B }
end
def test_require_rb_2versions
pend unless Namespace.enabled?
assert_raise(NameError) { NS_A }
@n.require(File.join(__dir__, 'namespace', 'a.1_2_0'))
assert_equal "1.2.0", @n::NS_A::VERSION
assert_equal "yay 1.2.0", @n::NS_A.new.yay
n2 = Namespace.new
n2.require(File.join(__dir__, 'namespace', 'a.1_1_0'))
assert_equal "1.1.0", n2::NS_A::VERSION
assert_equal "yay 1.1.0", n2::NS_A.new.yay
# recheck @n is not affected by the following require
assert_equal "1.2.0", @n::NS_A::VERSION
assert_equal "yay 1.2.0", @n::NS_A.new.yay
assert_raise(NameError) { NS_A }
end
def test_raising_errors_in_require
pend unless Namespace.enabled?
assert_raise(RuntimeError, "Yay!") { @n.require(File.join(__dir__, 'namespace', 'raise')) }
assert Namespace.current.inspect.include?("main")
end
def test_autoload_in_namespace
pend unless Namespace.enabled?
assert_raise(NameError) { NS_A }
@n.require_relative('namespace/autoloading')
# autoloaded A is visible from global
assert_equal '1.1.0', @n::NS_A::VERSION
assert_raise(NameError) { NS_A }
# autoload trigger NS_B::BAR is valid even from global
assert_equal 'bar_b1', @n::NS_B::BAR
assert_raise(NameError) { NS_A }
assert_raise(NameError) { NS_B }
end
def test_continuous_top_level_method_in_a_namespace
pend unless Namespace.enabled?
@n.require_relative('namespace/define_toplevel')
@n.require_relative('namespace/call_toplevel')
assert_raise(NameError) { foo }
end
def test_top_level_methods_in_namespace
pend # TODO: fix loading/current namespace detection
pend unless Namespace.enabled?
@n.require_relative('namespace/top_level')
assert_equal "yay!", @n::Foo.foo
assert_raise(NameError) { yaaay }
assert_equal "foo", @n::Bar.bar
assert_raise_with_message(RuntimeError, "boooo") { @n::Baz.baz }
end
def test_proc_defined_in_namespace_refers_module_in_namespace
pend unless Namespace.enabled?
# require_relative dosn't work well in assert_separately even with __FILE__ and __LINE__
assert_separately([ENV_ENABLE_NAMESPACE], __FILE__, __LINE__, "here = '#{__dir__}'; #{<<~"begin;"}\n#{<<~'end;'}")
begin;
ns1 = Namespace.new
ns1.require(File.join("#{here}", 'namespace/proc_callee'))
proc_v = ns1::Foo.callee
assert_raise(NameError) { Target }
assert ns1::Target
assert_equal "fooooo", proc_v.call # refers Target in the namespace ns1
ns1.require(File.join("#{here}", 'namespace/proc_caller'))
assert_equal "fooooo", ns1::Bar.caller(proc_v)
ns2 = Namespace.new
ns2.require(File.join("#{here}", 'namespace/proc_caller'))
assert_raise(NameError) { ns2::Target }
assert_equal "fooooo", ns2::Bar.caller(proc_v) # refers Target in the namespace ns1
end;
end
def test_proc_defined_globally_refers_global_module
pend unless Namespace.enabled?
# require_relative dosn't work well in assert_separately even with __FILE__ and __LINE__
assert_separately([ENV_ENABLE_NAMESPACE], __FILE__, __LINE__, "here = '#{__dir__}'; #{<<~"begin;"}\n#{<<~'end;'}", ignore_stderr: true)
begin;
require(File.join("#{here}", 'namespace/proc_callee'))
def Target.foo
"yay"
end
proc_v = Foo.callee
assert Target
assert_equal "yay", proc_v.call # refers global Foo
ns1 = Namespace.new
ns1.require(File.join("#{here}", 'namespace/proc_caller'))
assert_equal "yay", ns1::Bar.caller(proc_v)
ns2 = Namespace.new
ns2.require(File.join("#{here}", 'namespace/proc_callee'))
ns2.require(File.join("#{here}", 'namespace/proc_caller'))
assert_equal "fooooo", ns2::Foo.callee.call
assert_equal "yay", ns2::Bar.caller(proc_v) # should refer the global Target, not Foo in ns2
end;
end
def test_methods_added_in_namespace_are_invisible_globally
pend unless Namespace.enabled?
@n.require_relative('namespace/string_ext')
assert_equal "yay", @n::Bar.yay
assert_raise(NoMethodError){ String.new.yay }
end
def test_continuous_method_definitions_in_a_namespace
pend unless Namespace.enabled?
@n.require_relative('namespace/string_ext')
assert_equal "yay", @n::Bar.yay
@n.require_relative('namespace/string_ext_caller')
assert_equal "yay", @n::Foo.yay
@n.require_relative('namespace/string_ext_calling')
end
def test_methods_added_in_namespace_later_than_caller_code
pend unless Namespace.enabled?
@n.require_relative('namespace/string_ext_caller')
@n.require_relative('namespace/string_ext')
assert_equal "yay", @n::Bar.yay
assert_equal "yay", @n::Foo.yay
end
def test_method_added_in_namespace_are_available_on_eval
pend unless Namespace.enabled?
@n.require_relative('namespace/string_ext')
@n.require_relative('namespace/string_ext_eval_caller')
assert_equal "yay", @n::Baz.yay
end
def test_method_added_in_namespace_are_available_on_eval_with_binding
pend unless Namespace.enabled?
@n.require_relative('namespace/string_ext')
@n.require_relative('namespace/string_ext_eval_caller')
assert_equal "yay, yay!", @n::Baz.yay_with_binding
end
def test_methods_and_constants_added_by_include
pend unless Namespace.enabled?
@n.require_relative('namespace/open_class_with_include')
assert_equal "I'm saying foo 1", @n::OpenClassWithInclude.say
assert_equal "I'm saying foo 1", @n::OpenClassWithInclude.say_foo
assert_equal "I'm saying foo 1", @n::OpenClassWithInclude.say_with_obj("wow")
assert_raise(NameError) { String::FOO }
assert_equal "foo 1", @n::OpenClassWithInclude.refer_foo
end
end
module ProcLookupTestA
module B
VALUE = 111
end
end
class TestNamespace < Test::Unit::TestCase
def make_proc_from_block(&b)
b
end
def test_proc_from_main_works_with_global_definitions
pend unless Namespace.enabled?
@n.require_relative('namespace/procs')
proc_and_labels = [
[Proc.new { String.new.yay }, "Proc.new"],
[proc { String.new.yay }, "proc{}"],
[lambda { String.new.yay }, "lambda{}"],
[->(){ String.new.yay }, "->(){}"],
[make_proc_from_block { String.new.yay }, "make_proc_from_block"],
[@n::ProcInNS.make_proc_from_block { String.new.yay }, "make_proc_from_block in @n"],
]
proc_and_labels.each do |str_pr|
pr, pr_label = str_pr
assert_raise(NoMethodError, "NoMethodError expected: #{pr_label}, called in main") { pr.call }
assert_raise(NoMethodError, "NoMethodError expected: #{pr_label}, called in @n") { @n::ProcInNS.call_proc(pr) }
end
const_and_labels = [
[Proc.new { ProcLookupTestA::B::VALUE }, "Proc.new"],
[proc { ProcLookupTestA::B::VALUE }, "proc{}"],
[lambda { ProcLookupTestA::B::VALUE }, "lambda{}"],
[->(){ ProcLookupTestA::B::VALUE }, "->(){}"],
[make_proc_from_block { ProcLookupTestA::B::VALUE }, "make_proc_from_block"],
[@n::ProcInNS.make_proc_from_block { ProcLookupTestA::B::VALUE }, "make_proc_from_block in @n"],
]
const_and_labels.each do |const_pr|
pr, pr_label = const_pr
assert_equal 111, pr.call, "111 expected, #{pr_label} called in main"
assert_equal 111, @n::ProcInNS.call_proc(pr), "111 expected, #{pr_label} called in @n"
end
end
def test_proc_from_namespace_works_with_definitions_in_namespace
pend unless Namespace.enabled?
@n.require_relative('namespace/procs')
proc_types = [:proc_new, :proc_f, :lambda_f, :lambda_l, :block]
proc_types.each do |proc_type|
assert_equal 222, @n::ProcInNS.make_const_proc(proc_type).call, "ProcLookupTestA::B::VALUE should be 222 in @n"
assert_equal "foo", @n::ProcInNS.make_str_const_proc(proc_type).call, "String::FOO should be \"foo\" in @n"
assert_equal "yay", @n::ProcInNS.make_str_proc(proc_type).call, "String#yay should be callable in @n"
#
# TODO: method calls not-in-methods nor procs can't handle the current namespace correctly.
#
# assert_equal "yay,foo,222",
# @n::ProcInNS.const_get(('CONST_' + proc_type.to_s.upcase).to_sym).call,
# "Proc assigned to constants should refer constants correctly in @n"
end
end
def test_class_module_singleton_methods
pend unless Namespace.enabled?
@n.require_relative('namespace/singleton_methods')
assert_equal "Good evening!", @n::SingletonMethods.string_greeing # def self.greeting
assert_equal 42, @n::SingletonMethods.integer_answer # class << self; def answer
assert_equal([], @n::SingletonMethods.array_blank) # def self.blank w/ instance methods
assert_equal({status: 200, body: 'OK'}, @n::SingletonMethods.hash_http_200) # class << self; def ... w/ instance methods
assert_equal([4, 4], @n::SingletonMethods.array_instance_methods_return_size([1, 2, 3, 4]))
assert_equal([3, 3], @n::SingletonMethods.hash_instance_methods_return_size({a: 2, b: 4, c: 8}))
assert_raise(NoMethodError) { String.greeting }
assert_raise(NoMethodError) { Integer.answer }
assert_raise(NoMethodError) { Array.blank }
assert_raise(NoMethodError) { Hash.http_200 }
end
def test_add_constants_in_namespace
pend unless Namespace.enabled?
String.const_set(:STR_CONST0, 999)
assert_equal 999, String::STR_CONST0
assert_equal 999, String.const_get(:STR_CONST0)
assert_raise(NameError) { String.const_get(:STR_CONST1) }
assert_raise(NameError) { String::STR_CONST2 }
assert_raise(NameError) { String::STR_CONST3 }
assert_raise(NameError) { Integer.const_get(:INT_CONST1) }
EnvUtil.suppress_warning do
@n.require_relative('namespace/consts')
end
assert_equal 999, String::STR_CONST0
assert_raise(NameError) { String::STR_CONST1 }
assert_raise(NameError) { String::STR_CONST2 }
assert_raise(NameError) { Integer::INT_CONST1 }
assert_not_nil @n::ForConsts.refer_all
assert_equal 112, @n::ForConsts.refer1
assert_equal 112, @n::ForConsts.get1
assert_equal 112, @n::ForConsts::CONST1
assert_equal 222, @n::ForConsts.refer2
assert_equal 222, @n::ForConsts.get2
assert_equal 222, @n::ForConsts::CONST2
assert_equal 333, @n::ForConsts.refer3
assert_equal 333, @n::ForConsts.get3
assert_equal 333, @n::ForConsts::CONST3
EnvUtil.suppress_warning do
@n::ForConsts.const_set(:CONST3, 334)
end
assert_equal 334, @n::ForConsts::CONST3
assert_equal 334, @n::ForConsts.refer3
assert_equal 334, @n::ForConsts.get3
assert_equal 10, @n::ForConsts.refer_top_const
# use Proxy object to use usual methods instead of singleton methods
proxy = @n::ForConsts::Proxy.new
assert_raise(NameError){ proxy.call_str_refer0 }
assert_raise(NameError){ proxy.call_str_get0 }
proxy.call_str_set0(30)
assert_equal 30, proxy.call_str_refer0
assert_equal 30, proxy.call_str_get0
assert_equal 999, String::STR_CONST0
proxy.call_str_remove0
assert_raise(NameError){ proxy.call_str_refer0 }
assert_raise(NameError){ proxy.call_str_get0 }
assert_equal 112, proxy.call_str_refer1
assert_equal 112, proxy.call_str_get1
assert_equal 223, proxy.call_str_refer2
assert_equal 223, proxy.call_str_get2
assert_equal 333, proxy.call_str_refer3
assert_equal 333, proxy.call_str_get3
EnvUtil.suppress_warning do
proxy.call_str_set3
end
assert_equal 334, proxy.call_str_refer3
assert_equal 334, proxy.call_str_get3
assert_equal 1, proxy.refer_int_const1
assert_equal 999, String::STR_CONST0
assert_raise(NameError) { String::STR_CONST1 }
assert_raise(NameError) { String::STR_CONST2 }
assert_raise(NameError) { String::STR_CONST3 }
assert_raise(NameError) { Integer::INT_CONST1 }
end
def test_global_variables
default_l = $-0
default_f = $,
pend unless Namespace.enabled?
assert_equal "\n", $-0 # equal to $/, line splitter
assert_equal nil, $, # field splitter
@n.require_relative('namespace/global_vars')
# read first
assert_equal "\n", @n::LineSplitter.read
@n::LineSplitter.write("\r\n")
assert_equal "\r\n", @n::LineSplitter.read
assert_equal "\n", $-0
# write first
@n::FieldSplitter.write(",")
assert_equal ",", @n::FieldSplitter.read
assert_equal nil, $,
# used only in ns
assert !global_variables.include?(:$used_only_in_ns)
@n::UniqueGvar.write(123)
assert_equal 123, @n::UniqueGvar.read
assert_nil $used_only_in_ns
# Kernel#global_variables returns the sum of all gvars.
global_gvars = global_variables.sort
assert_equal global_gvars, @n::UniqueGvar.gvars_in_ns.sort
@n::UniqueGvar.write_only(456)
assert_equal (global_gvars + [:$write_only_var_in_ns]).sort, @n::UniqueGvar.gvars_in_ns.sort
assert_equal (global_gvars + [:$write_only_var_in_ns]).sort, global_variables.sort
ensure
EnvUtil.suppress_warning do
$-0 = default_l
$, = default_f
end
end
def test_load_path_and_loaded_features
pend unless Namespace.enabled?
assert $LOAD_PATH.respond_to?(:resolve_feature_path)
@n.require_relative('namespace/load_path')
assert_not_equal $LOAD_PATH, @n::LoadPathCheck::FIRST_LOAD_PATH
assert @n::LoadPathCheck::FIRST_LOAD_PATH_RESPOND_TO_RESOLVE
namespace_dir = File.join(__dir__, 'namespace')
# TODO: $LOADED_FEATURES in method calls should refer the current namespace in addition to the loading namespace.
# assert @n::LoadPathCheck.current_loaded_features.include?(File.join(namespace_dir, 'blank1.rb'))
# assert !@n::LoadPathCheck.current_loaded_features.include?(File.join(namespace_dir, 'blank2.rb'))
# assert @n::LoadPathCheck.require_blank2
# assert @n::LoadPathCheck.current_loaded_features.include?(File.join(namespace_dir, 'blank2.rb'))
assert !$LOADED_FEATURES.include?(File.join(namespace_dir, 'blank1.rb'))
assert !$LOADED_FEATURES.include?(File.join(namespace_dir, 'blank2.rb'))
end
end