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|
# frozen_string_literal: true
require_relative "helper"
require "rubygems"
class TestGemRequire < Gem::TestCase
class Latch
def initialize(count = 1)
@count = count
@lock = Monitor.new
@cv = @lock.new_cond
end
def release
@lock.synchronize do
@count -= 1 if @count > 0
@cv.broadcast if @count.zero?
end
end
def await
@lock.synchronize do
@cv.wait_while { @count > 0 }
end
end
end
def assert_require(path)
assert require(path), "'#{path}' was already required"
end
def refute_require(path)
refute require(path), "'#{path}' was not yet required"
end
def test_respect_loaded_features_caching_like_standard_require
dir = Dir.mktmpdir("test_require", @tempdir)
lp1 = File.join dir, "foo1"
foo1 = File.join lp1, "foo.rb"
FileUtils.mkdir_p lp1
File.open(foo1, "w") {|f| f.write "class Object; HELLO = 'foo1' end" }
lp = $LOAD_PATH.dup
$LOAD_PATH.unshift lp1
assert_require "foo"
assert_equal "foo1", ::Object::HELLO
lp2 = File.join dir, "foo2"
foo2 = File.join lp2, "foo.rb"
FileUtils.mkdir_p lp2
File.open(foo2, "w") {|f| f.write "class Object; HELLO = 'foo2' end" }
$LOAD_PATH.unshift lp2
refute_require "foo"
assert_equal "foo1", ::Object::HELLO
ensure
$LOAD_PATH.replace lp
Object.send :remove_const, :HELLO if Object.const_defined? :HELLO
end
# Providing -I on the commandline should always beat gems
def test_dash_i_beats_gems
a1 = util_spec "a", "1", { "b" => "= 1" }, "lib/test_gem_require_a.rb"
b1 = util_spec "b", "1", { "c" => "> 0" }, "lib/b/c.rb"
c1 = util_spec "c", "1", nil, "lib/c/c.rb"
c2 = util_spec "c", "2", nil, "lib/c/c.rb"
install_specs c1, c2, b1, a1
dir = Dir.mktmpdir("test_require", @tempdir)
dash_i_arg = File.join dir, "lib"
c_rb = File.join dash_i_arg, "b", "c.rb"
FileUtils.mkdir_p File.dirname c_rb
File.open(c_rb, "w") {|f| f.write "class Object; HELLO = 'world' end" }
# Pretend to provide a commandline argument that overrides a file in gem b
$LOAD_PATH.unshift dash_i_arg
assert_require "test_gem_require_a"
assert_require "b/c" # this should be required from -I
assert_equal "world", ::Object::HELLO
assert_equal %w[a-1 b-1], loaded_spec_names
ensure
Object.send :remove_const, :HELLO if Object.const_defined? :HELLO
end
def create_sync_thread
Thread.new do
begin
yield
ensure
FILE_ENTERED_LATCH.release
FILE_EXIT_LATCH.await
end
end
end
# Providing -I on the commandline should always beat gems
def test_dash_i_beats_default_gems
a1 = new_default_spec "a", "1", { "b" => "= 1" }, "test_gem_require_a.rb"
b1 = new_default_spec "b", "1", { "c" => "> 0" }, "b/c.rb"
c1 = new_default_spec "c", "1", nil, "c/c.rb"
c2 = new_default_spec "c", "2", nil, "c/c.rb"
install_default_gems c1, c2, b1, a1
dir = Dir.mktmpdir("test_require", @tempdir)
dash_i_arg = File.join dir, "lib"
c_rb = File.join dash_i_arg, "c", "c.rb"
FileUtils.mkdir_p File.dirname c_rb
File.open(c_rb, "w") {|f| f.write "class Object; HELLO = 'world' end" }
assert_require "test_gem_require_a"
# Pretend to provide a commandline argument that overrides a file in gem b
$LOAD_PATH.unshift dash_i_arg
assert_require "b/c"
assert_require "c/c" # this should be required from -I
assert_equal "world", ::Object::HELLO
assert_equal %w[a-1 b-1], loaded_spec_names
ensure
Object.send :remove_const, :HELLO if Object.const_defined? :HELLO
end
def test_dash_i_respects_default_library_extension_priority
pend "extensions don't quite work on jruby" if Gem.java_platform?
pend "not installed yet" unless RbConfig::TOPDIR
dash_i_ext_arg = util_install_extension_file("a")
dash_i_lib_arg = util_install_ruby_file("a")
$LOAD_PATH.unshift dash_i_lib_arg
$LOAD_PATH.unshift dash_i_ext_arg
assert_require "a"
assert_match(/a\.rb$/, $LOADED_FEATURES.last)
end
def test_concurrent_require
Object.const_set :FILE_ENTERED_LATCH, Latch.new(2)
Object.const_set :FILE_EXIT_LATCH, Latch.new(1)
a1 = util_spec "a#{$$}", "1", nil, "lib/a#{$$}.rb"
b1 = util_spec "b#{$$}", "1", nil, "lib/b#{$$}.rb"
install_specs a1, b1
t1 = create_sync_thread { assert_require "a#{$$}" }
t2 = create_sync_thread { assert_require "b#{$$}" }
# wait until both files are waiting on the exit latch
FILE_ENTERED_LATCH.await
# now let them finish
FILE_EXIT_LATCH.release
assert t1.join, "thread 1 should exit"
assert t2.join, "thread 2 should exit"
ensure
Object.send :remove_const, :FILE_ENTERED_LATCH if Object.const_defined? :FILE_ENTERED_LATCH
Object.send :remove_const, :FILE_EXIT_LATCH if Object.const_defined? :FILE_EXIT_LATCH
end
def test_require_is_not_lazy_with_exact_req
a1 = util_spec "a", "1", { "b" => "= 1" }, "lib/test_gem_require_a.rb"
b1 = util_spec "b", "1", nil, "lib/b/c.rb"
b2 = util_spec "b", "2", nil, "lib/b/c.rb"
install_specs b1, b2, a1
assert_require "test_gem_require_a"
assert_equal %w[a-1 b-1], loaded_spec_names
assert_equal unresolved_names, []
assert_require "b/c"
assert_equal %w[a-1 b-1], loaded_spec_names
end
def test_require_is_lazy_with_inexact_req
a1 = util_spec "a", "1", { "b" => ">= 1" }, "lib/test_gem_require_a.rb"
b1 = util_spec "b", "1", nil, "lib/b/c.rb"
b2 = util_spec "b", "2", nil, "lib/b/c.rb"
install_specs b1, b2, a1
assert_require "test_gem_require_a"
assert_equal %w[a-1], loaded_spec_names
assert_equal unresolved_names, ["b (>= 1)"]
assert_require "b/c"
assert_equal %w[a-1 b-2], loaded_spec_names
end
def test_require_is_not_lazy_with_one_possible
a1 = util_spec "a", "1", { "b" => ">= 1" }, "lib/test_gem_require_a.rb"
b1 = util_spec "b", "1", nil, "lib/b/c.rb"
install_specs b1, a1
assert_require "test_gem_require_a"
assert_equal %w[a-1 b-1], loaded_spec_names
assert_equal unresolved_names, []
assert_require "b/c"
assert_equal %w[a-1 b-1], loaded_spec_names
end
def test_require_can_use_a_pathname_object
a1 = util_spec "a", "1", nil, "lib/test_gem_require_a.rb"
install_specs a1
assert_require Pathname.new "test_gem_require_a"
assert_equal %w[a-1], loaded_spec_names
assert_equal unresolved_names, []
end
def test_activate_via_require_respects_loaded_files
pend "Not sure what's going on. If another spec creates a 'a' gem before
this test, somehow require will load the benchmark in b, and ignore that the
stdlib one is already in $LOADED_FEATURES?. Reproducible by running the
spaceship_specific_file test before this one" if java_platform?
pend "not installed yet" unless RbConfig::TOPDIR
lib_dir = File.expand_path("../lib", __dir__)
rubylibdir = File.realdirpath(RbConfig::CONFIG["rubylibdir"])
if rubylibdir == lib_dir
# testing in the ruby repository where RubyGems' lib/ == stdlib lib/
# In that case we want to move the stdlib lib/ to still be after b-2 in $LOAD_PATH
lp = $LOAD_PATH.dup
$LOAD_PATH.delete lib_dir
$LOAD_PATH.push lib_dir
load_path_changed = true
end
require "benchmark" # the stdlib
a1 = util_spec "a", "1", { "b" => ">= 1" }, "lib/test_gem_require_a.rb"
b1 = util_spec "b", "1", nil, "lib/benchmark.rb"
b2 = util_spec "b", "2", nil, "lib/benchmark.rb"
install_specs b1, b2, a1
# Activates a-1, but not b-1 and b-2
assert_require "test_gem_require_a"
assert_equal %w[a-1], loaded_spec_names
assert $LOAD_PATH.include? a1.full_require_paths[0]
refute $LOAD_PATH.include? b1.full_require_paths[0]
refute $LOAD_PATH.include? b2.full_require_paths[0]
assert_equal unresolved_names, ["b (>= 1)"]
# The require('benchmark') below will activate b-2. However, its
# lib/benchmark.rb won't ever be loaded. The reason is MRI sees that even
# though b-2 is earlier in $LOAD_PATH it already loaded a benchmark.rb file
# and that still exists in $LOAD_PATH (further down),
# and as a result #gem_original_require returns false.
refute require("benchmark"), "the benchmark stdlib should be recognized as already loaded"
assert_includes $LOAD_PATH, b2.full_require_paths[0]
assert_includes $LOAD_PATH, rubylibdir
message = proc {
"this test relies on the b-2 gem lib/ to be before stdlib to make sense\n" +
$LOAD_PATH.pretty_inspect
}
assert_operator $LOAD_PATH.index(b2.full_require_paths[0]), :<, $LOAD_PATH.index(rubylibdir), message
# We detected that we should activate b-2, so we did so, but
# then #gem_original_require decided "I've already got some benchmark.rb" loaded.
# This case is fine because our lazy loading provided exactly
# the same behavior as eager loading would have.
assert_equal %w[a-1 b-2], loaded_spec_names
ensure
$LOAD_PATH.replace lp if load_path_changed
end
def test_activate_via_require_respects_loaded_default_from_default_gems
a1 = new_default_spec "a", "1", nil, "a.rb"
# simulate requiring a default gem before rubygems is loaded
Kernel.send(:gem_original_require, "a")
# simulate registering default specs on loading rubygems
install_default_gems a1
a2 = util_spec "a", "2", nil, "lib/a.rb"
install_specs a2
refute_require "a"
assert_equal %w[a-1], loaded_spec_names
end
def test_already_activated_direct_conflict
a1 = util_spec "a", "1", { "b" => "> 0" }
b1 = util_spec "b", "1", { "c" => ">= 1" }, "lib/ib.rb"
b2 = util_spec "b", "2", { "c" => ">= 2" }, "lib/ib.rb"
c1 = util_spec "c", "1", nil, "lib/d.rb"
c2 = util_spec("c", "2", nil, "lib/d.rb")
install_specs c1, c2, b1, b2, a1
a1.activate
c1.activate
assert_equal %w[a-1 c-1], loaded_spec_names
assert_equal ["b (> 0)"], unresolved_names
assert require("ib")
assert_equal %w[a-1 b-1 c-1], loaded_spec_names
assert_equal [], unresolved_names
end
def test_multiple_gems_with_the_same_path
a1 = util_spec "a", "1", { "b" => "> 0", "x" => "> 0" }
b1 = util_spec "b", "1", { "c" => ">= 1" }, "lib/ib.rb"
b2 = util_spec "b", "2", { "c" => ">= 2" }, "lib/ib.rb"
x1 = util_spec "x", "1", nil, "lib/ib.rb"
x2 = util_spec "x", "2", nil, "lib/ib.rb"
c1 = util_spec "c", "1", nil, "lib/d.rb"
c2 = util_spec("c", "2", nil, "lib/d.rb")
install_specs c1, c2, x1, x2, b1, b2, a1
a1.activate
c1.activate
assert_equal %w[a-1 c-1], loaded_spec_names
assert_equal ["b (> 0)", "x (> 0)"], unresolved_names
e = assert_raise(Gem::LoadError) do
require("ib")
end
assert_equal "ib found in multiple gems: b, x", e.message
end
def test_unable_to_find_good_unresolved_version
a1 = util_spec "a", "1", { "b" => "> 0" }
b1 = util_spec "b", "1", { "c" => ">= 2" }, "lib/ib.rb"
b2 = util_spec "b", "2", { "c" => ">= 3" }, "lib/ib.rb"
c1 = util_spec "c", "1", nil, "lib/d.rb"
c2 = util_spec "c", "2", nil, "lib/d.rb"
c3 = util_spec "c", "3", nil, "lib/d.rb"
install_specs c1, c2, c3, b1, b2, a1
a1.activate
c1.activate
assert_equal %w[a-1 c-1], loaded_spec_names
assert_equal ["b (> 0)"], unresolved_names
e = assert_raise(Gem::LoadError) do
require("ib")
end
assert_equal "unable to find a version of 'b' to activate", e.message
end
def test_require_works_after_cleanup
a1 = new_default_spec "a", "1.0", nil, "a/b.rb"
b1 = new_default_spec "b", "1.0", nil, "b/c.rb"
b2 = new_default_spec "b", "2.0", nil, "b/d.rb"
install_default_gems a1
install_default_gems b1
install_default_gems b2
# Load default ruby gems fresh as if we've just started a ruby script.
Gem::Specification.reset
require "rubygems"
Gem::Specification.stubs
# Remove an old default gem version directly from disk as if someone ran
# gem cleanup.
FileUtils.rm_rf(File.join @gemhome, "#{b1.full_name}")
FileUtils.rm_rf(File.join @gemhome, "specifications", "default", "#{b1.full_name}.gemspec")
# Require gems that have not been removed.
assert_require "a/b"
assert_equal %w[a-1.0], loaded_spec_names
assert_require "b/d"
assert_equal %w[a-1.0 b-2.0], loaded_spec_names
end
def test_require_doesnt_traverse_development_dependencies
a = util_spec("a#{$$}", "1", nil, "lib/a#{$$}.rb")
z = util_spec("z", "1", "w" => "> 0")
w1 = util_spec("w", "1") {|s| s.add_development_dependency "non-existent" }
w2 = util_spec("w", "2") {|s| s.add_development_dependency "non-existent" }
install_specs a, w1, w2, z
assert gem("z")
assert_equal %w[z-1], loaded_spec_names
assert_equal ["w (> 0)"], unresolved_names
assert require("a#{$$}")
end
def test_default_gem_only
default_gem_spec = new_default_spec("default", "2.0.0.0",
nil, "default/gem.rb")
install_default_gems(default_gem_spec)
assert_require "default/gem"
assert_equal %w[default-2.0.0.0], loaded_spec_names
end
def test_default_gem_require_activates_just_once
default_gem_spec = new_default_spec("default", "2.0.0.0",
nil, "default/gem.rb")
install_default_gems(default_gem_spec)
assert_require "default/gem"
times_called = 0
Kernel.stub(:gem, ->(name, requirement) { times_called += 1 }) do
refute_require "default/gem"
end
assert_equal 0, times_called
end
def test_second_gem_require_does_not_resolve_path_manually_before_going_through_standard_require
a1 = util_spec "a", "1", nil, "lib/test_gem_require_a.rb"
install_gem a1
assert_require "test_gem_require_a"
stub(:gem_original_require, ->(path) { assert_equal "test_gem_require_a", path }) do
require "test_gem_require_a"
end
end
def test_realworld_default_gem
omit "this test can't work under ruby-core setup" if ruby_repo?
cmd = <<-RUBY
$stderr = $stdout
require "json"
puts Gem.loaded_specs["json"]
RUBY
output = Gem::Util.popen(*ruby_with_rubygems_in_load_path, "-e", cmd).strip
assert $?.success?
refute_empty output
end
def test_realworld_upgraded_default_gem
omit "this test can't work under ruby-core setup" if ruby_repo?
newer_json = util_spec("json", "999.99.9", nil, ["lib/json.rb"])
install_gem newer_json
path = "#{@tempdir}/test_realworld_upgraded_default_gem.rb"
code = <<-RUBY
$stderr = $stdout
require "json"
puts Gem.loaded_specs["json"].version
puts $LOADED_FEATURES
RUBY
File.write(path, code)
output = Gem::Util.popen({ "GEM_HOME" => @gemhome }, *ruby_with_rubygems_in_load_path, path).strip
assert $?.success?
refute_empty output
assert_equal "999.99.9", output.lines[0].chomp
# Make sure only files from the newer json gem are loaded, and no files from the default json gem
assert_equal ["#{@gemhome}/gems/json-999.99.9/lib/json.rb"], output.lines.grep(%r{/gems/json-}).map(&:chomp)
end
def test_default_gem_and_normal_gem
default_gem_spec = new_default_spec("default", "2.0.0.0",
nil, "default/gem.rb")
install_default_gems(default_gem_spec)
normal_gem_spec = util_spec("default", "3.0", nil,
"lib/default/gem.rb")
install_specs(normal_gem_spec)
assert_require "default/gem"
assert_equal %w[default-3.0], loaded_spec_names
end
def test_normal_gems_with_overridden_load_error_message
normal_gem_spec = util_spec("normal", "3.0", nil, "lib/normal/gem.rb")
install_specs(normal_gem_spec)
File.write("require_with_overridden_load_error_message.rb", <<-RUBY)
LoadError.class_eval do
def message
"Overridden message"
end
end
require 'normal/gem'
RUBY
require "open3"
output, exit_status = Open3.capture2e(
{ "GEM_HOME" => Gem.paths.home },
*ruby_with_rubygems_in_load_path,
"-r",
"./require_with_overridden_load_error_message.rb"
)
assert exit_status.success?, "Require failed due to #{output}"
end
def test_default_gem_prerelease
default_gem_spec = new_default_spec("default", "2.0.0",
nil, "default/gem.rb")
install_default_gems(default_gem_spec)
normal_gem_higher_prerelease_spec = util_spec("default", "3.0.0.rc2", nil,
"lib/default/gem.rb")
install_default_gems(normal_gem_higher_prerelease_spec)
assert_require "default/gem"
assert_equal %w[default-3.0.0.rc2], loaded_spec_names
end
def loaded_spec_names
Gem.loaded_specs.values.map(&:full_name).sort
end
def unresolved_names
Gem::Specification.unresolved_deps.values.map(&:to_s).sort
end
def test_try_activate_error_unlocks_require_monitor
silence_warnings do
class << ::Gem
alias old_try_activate try_activate
def try_activate(*); raise "raised from try_activate"; end
end
end
require "does_not_exist_for_try_activate_test"
rescue RuntimeError => e
assert_match(/raised from try_activate/, e.message)
assert Kernel::RUBYGEMS_ACTIVATION_MONITOR.try_enter, "require monitor was not unlocked when try_activate raised"
ensure
silence_warnings do
class << ::Gem
alias try_activate old_try_activate
end
end
Kernel::RUBYGEMS_ACTIVATION_MONITOR.exit
end
def test_require_when_gem_defined
default_gem_spec = new_default_spec("default", "2.0.0.0",
nil, "default/gem.rb")
install_default_gems(default_gem_spec)
c = Class.new do
def self.gem(*args)
raise "received #gem with #{args.inspect}"
end
end
assert c.send(:require, "default/gem")
assert_equal %w[default-2.0.0.0], loaded_spec_names
end
def test_require_default_when_gem_defined
a = util_spec("a#{$$}", "1", nil, "lib/a#{$$}.rb")
install_specs a
c = Class.new do
def self.gem(*args)
raise "received #gem with #{args.inspect}"
end
end
assert c.send(:require, "a#{$$}")
assert_equal %W[a#{$$}-1], loaded_spec_names
end
def test_require_bundler
b1 = util_spec("bundler", "1", nil, "lib/bundler/setup.rb")
b2a = util_spec("bundler", "2.a", nil, "lib/bundler/setup.rb")
install_specs b1, b2a
require "rubygems/bundler_version_finder"
$:.clear
assert_require "bundler/setup"
assert_equal %w[bundler-2.a], loaded_spec_names
assert_empty unresolved_names
end
["", "Kernel."].each do |prefix|
define_method "test_no_kernel_require_in_#{prefix.tr(".", "_")}warn_with_uplevel" do
Dir.mktmpdir("warn_test") do |dir|
File.write(dir + "/sub.rb", "#{prefix}warn 'uplevel', 'test', uplevel: 1\n")
File.write(dir + "/main.rb", "require 'sub'\n")
_, err = capture_subprocess_io do
system(*ruby_with_rubygems_in_load_path, "-w", "--disable=gems", "-C", dir, "-I", dir, "main.rb")
end
assert_match(/main\.rb:1: warning: uplevel\ntest\n$/, err)
_, err = capture_subprocess_io do
system(*ruby_with_rubygems_in_load_path, "-w", "--enable=gems", "-C", dir, "-I", dir, "main.rb")
end
assert_match(/main\.rb:1: warning: uplevel\ntest\n$/, err)
end
end
define_method "test_no_other_behavioral_changes_with_#{prefix.tr(".", "_")}warn" do
Dir.mktmpdir("warn_test") do |dir|
File.write(dir + "/main.rb", "#{prefix}warn({x:1}, {y:2}, [])\n")
_, err = capture_subprocess_io do
system(*ruby_with_rubygems_in_load_path, "-w", "--disable=gems", "-C", dir, "main.rb")
end
assert_match(/{:x=>1}\n{:y=>2}\n$/, err)
_, err = capture_subprocess_io do
system(*ruby_with_rubygems_in_load_path, "-w", "--enable=gems", "-C", dir, "main.rb")
end
assert_match(/{:x=>1}\n{:y=>2}\n$/, err)
end
end
end
def test_no_crash_when_overriding_warn_with_warning_module
Dir.mktmpdir("warn_test") do |dir|
File.write(dir + "/main.rb", "module Warning; def warn(str); super; end; end; warn 'Foo Bar'")
_, err = capture_subprocess_io do
system(*ruby_with_rubygems_in_load_path, "-w", "--disable=gems", "-C", dir, "main.rb")
end
assert_match(/Foo Bar\n$/, err)
_, err = capture_subprocess_io do
system(*ruby_with_rubygems_in_load_path, "-w", "--enable=gems", "-C", dir, "main.rb")
end
assert_match(/Foo Bar\n$/, err)
end
end
def test_expected_backtrace_location_when_inheriting_from_basic_object_and_including_kernel
Dir.mktmpdir("warn_test") do |dir|
File.write(dir + "/main.rb", "\nrequire 'sub'\n")
File.write(dir + "/sub.rb", <<-'RUBY')
require 'rubygems'
class C < BasicObject
include ::Kernel
def deprecated
warn "This is a deprecated method", uplevel: 2
end
end
C.new.deprecated
RUBY
_, err = capture_subprocess_io do
system(*ruby_with_rubygems_in_load_path, "-w", "--disable=gems", "-C", dir, "-I", dir, "main.rb")
end
assert_match(/main\.rb:2: warning: This is a deprecated method$/, err)
_, err = capture_subprocess_io do
system(*ruby_with_rubygems_in_load_path, "-w", "--enable=gems", "-C", dir, "-I", dir, "main.rb")
end
assert_match(/main\.rb:2: warning: This is a deprecated method$/, err)
end
end
private
def util_install_extension_file(name)
spec = quick_gem name
util_build_gem spec
spec.extensions << "extconf.rb"
write_file File.join(@tempdir, "extconf.rb") do |io|
io.write <<-RUBY
require "mkmf"
CONFIG['LDSHARED'] = '$(TOUCH) $@ ||'
create_makefile("#{name}")
RUBY
end
write_file File.join(@tempdir, "#{name}.c") do |io|
io.write <<-C
void Init_#{name}() { }
C
end
write_file File.join(@tempdir, "depend")
spec.files += ["extconf.rb", "depend", "#{name}.c"]
so = File.join(spec.gem_dir, "#{name}.#{RbConfig::CONFIG["DLEXT"]}")
assert_path_not_exist so
path = Gem::Package.build spec
installer = Gem::Installer.at path
installer.install
assert_path_exist so
spec.gem_dir
end
def util_install_ruby_file(name)
dir_lib = Dir.mktmpdir("test_require_lib", @tempdir)
dash_i_lib_arg = File.join dir_lib
a_rb = File.join dash_i_lib_arg, "#{name}.rb"
FileUtils.mkdir_p File.dirname a_rb
File.open(a_rb, "w") {|f| f.write "# #{name}.rb" }
dash_i_lib_arg
end
end
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