/usr/lib/ruby/vendor_ruby/celluloid/rspec/actor_examples.rb is in ruby-celluloid 0.16.0-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 | shared_examples "a Celluloid Actor" do |included_module|
describe "using Fibers" do
include_examples "Celluloid::Actor examples", included_module, Celluloid::TaskFiber
end
describe "using Threads" do
include_examples "Celluloid::Actor examples", included_module, Celluloid::TaskThread
end
end
shared_examples "Celluloid::Actor examples" do |included_module, task_klass|
class ExampleCrash < StandardError
attr_accessor :foo
end
let(:actor_class) { ExampleActorClass.create(included_module, task_klass) }
it "returns the actor's class, not the proxy's" do
actor = actor_class.new "Troy McClure"
expect(actor.class).to eq(actor_class)
end
it "compares with the actor's class in a case statement" do
expect(case actor_class.new("Troy McClure")
when actor_class
true
else
false
end).to be_truthy
end
it "can be stored in hashes" do
actor = actor_class.new "Troy McClure"
expect(actor.hash).not_to eq(Kernel.hash)
expect(actor.object_id).not_to eq(Kernel.object_id)
end
it "implements respond_to? correctly" do
actor = actor_class.new 'Troy McClure'
expect(actor).to respond_to(:alive?)
end
it "supports synchronous calls" do
actor = actor_class.new "Troy McClure"
expect(actor.greet).to eq("Hi, I'm Troy McClure")
end
it "supports synchronous calls with blocks" do
actor = actor_class.new "Blocky Ralboa"
block_executed = false
actor.run { block_executed = true }
expect(block_executed).to be_truthy
end
it "supports synchronous calls via #method" do
method = actor_class.new("Troy McClure").method(:greet)
expect(method.call).to eq("Hi, I'm Troy McClure")
end
it "supports #arity calls via #method" do
method = actor_class.new("Troy McClure").method(:greet)
expect(method.arity).to be(0)
method = actor_class.new("Troy McClure").method(:change_name)
expect(method.arity).to be(1)
end
it "supports #name calls via #method" do
method = actor_class.new("Troy McClure").method(:greet)
expect(method.name).to eq(:greet)
end
it "supports #parameters via #method" do
method = actor_class.new("Troy McClure").method(:greet)
expect(method.parameters).to eq([])
method = actor_class.new("Troy McClure").method(:change_name)
expect(method.parameters).to eq([[:req, :new_name]])
end
it "supports future(:method) syntax for synchronous future calls" do
actor = actor_class.new "Troy McClure"
future = actor.future :greet
expect(future.value).to eq("Hi, I'm Troy McClure")
end
it "supports future.method syntax for synchronous future calls" do
actor = actor_class.new "Troy McClure"
future = actor.future.greet
expect(future.value).to eq("Hi, I'm Troy McClure")
end
it "handles circular synchronous calls" do
klass = Class.new do
include included_module
task_class task_klass
def greet_by_proxy(actor)
actor.greet
end
def to_s
"a ponycopter!"
end
end
ponycopter = klass.new
actor = actor_class.new ponycopter
expect(ponycopter.greet_by_proxy(actor)).to eq("Hi, I'm a ponycopter!")
end
it "detects recursion" do
klass1 = Class.new do
include included_module
task_class task_klass
def recursion_test(recurse_through = nil)
if recurse_through
recurse_through.recursion_thunk(Celluloid::Actor.current)
else
Celluloid.detect_recursion
end
end
end
klass2 = Class.new do
include included_module
task_class task_klass
def recursion_thunk(other)
other.recursion_test
end
end
actor1 = klass1.new
actor2 = klass2.new
expect(actor1.recursion_test).to be_falsey
expect(actor1.recursion_test(actor2)).to be_truthy
end
it "properly handles method_missing" do
actor = actor_class.new "Method Missing"
expect(actor).to respond_to(:first)
expect(actor.first).to be :bar
end
it "properly handles respond_to with include_private" do
actor = actor_class.new "Method missing privates"
expect(actor.respond_to?(:zomg_private)).to be_falsey
expect(actor.respond_to?(:zomg_private, true)).to be_truthy
end
it "warns about suspending the initialize" do
klass = Class.new do
include included_module
task_class task_klass
def initialize
sleep 0.1
end
end
expect(Celluloid.logger).to receive(:warn).with(/Dangerously suspending task: type=:call, meta={:method_name=>:initialize}, status=:sleeping/)
actor = klass.new
actor.terminate
Celluloid::Actor.join(actor) unless defined?(JRUBY_VERSION)
end
it "calls the user defined finalizer" do
actor = actor_class.new "Mr. Bean"
expect(actor.wrapped_object).to receive(:my_finalizer)
actor.terminate
Celluloid::Actor.join(actor)
end
it "warns about suspending the finalizer" do
klass = Class.new do
include included_module
task_class task_klass
finalizer :cleanup
def cleanup
sleep 0.1
end
end
expect(Celluloid.logger).to receive(:warn).with(/Dangerously suspending task: type=:finalizer, meta={:method_name=>:cleanup}, status=:sleeping/)
actor = klass.new
actor.terminate
Celluloid::Actor.join(actor)
end
it "supports async(:method) syntax for asynchronous calls" do
actor = actor_class.new "Troy McClure"
actor.async :change_name, "Charlie Sheen"
expect(actor.greet).to eq("Hi, I'm Charlie Sheen")
end
it "supports async.method syntax for asynchronous calls" do
actor = actor_class.new "Troy McClure"
actor.async.change_name "Charlie Sheen"
expect(actor.greet).to eq("Hi, I'm Charlie Sheen")
end
it "supports async.method syntax for asynchronous calls to itself" do
actor = actor_class.new "Troy McClure"
actor.change_name_async "Charlie Sheen"
expect(actor.greet).to eq("Hi, I'm Charlie Sheen")
end
it "allows an actor to call private methods asynchronously" do
actor = actor_class.new "Troy McClure"
actor.call_private
expect(actor.private_called).to be_truthy
end
it "knows if it's inside actor scope" do
expect(Celluloid).not_to be_actor
actor = actor_class.new "Troy McClure"
expect(actor.run do
Celluloid.actor?
end).to be_falsey
expect(actor.run_on_receiver do
Celluloid.actor?
end).to be_truthy
expect(actor).to be_actor
end
it "inspects properly" do
actor = actor_class.new "Troy McClure"
expect(actor.inspect).to match(/Celluloid::CellProxy\(/)
expect(actor.inspect).to match(/#{actor_class}/)
expect(actor.inspect).to include('@name="Troy McClure"')
expect(actor.inspect).not_to include("@celluloid")
end
it "inspects properly when dead" do
actor = actor_class.new "Troy McClure"
actor.terminate
expect(actor.inspect).to match(/Celluloid::CellProxy\(/)
expect(actor.inspect).to match(/#{actor_class}/)
expect(actor.inspect).to include('dead')
end
it "supports recursive inspect with other actors" do
klass = Class.new do
include included_module
task_class task_klass
attr_accessor :other
def initialize(other = nil)
@other = other
end
end
itchy = klass.new
scratchy = klass.new(itchy)
itchy.other = scratchy
inspection = itchy.inspect
expect(inspection).to match(/Celluloid::CellProxy\(/)
expect(inspection).to include("...")
end
it "allows access to the wrapped object" do
actor = actor_class.new "Troy McClure"
expect(actor.wrapped_object).to be_a actor_class
end
it "warns about leaked wrapped objects via #inspect" do
actor = actor_class.new "Troy McClure"
expect(actor.inspect).not_to include Celluloid::BARE_OBJECT_WARNING_MESSAGE
expect(actor.inspect_thunk).not_to include Celluloid::BARE_OBJECT_WARNING_MESSAGE
expect(actor.wrapped_object.inspect).to include Celluloid::BARE_OBJECT_WARNING_MESSAGE
end
it "can override #send" do
actor = actor_class.new "Troy McClure"
expect(actor.send('foo')).to eq('oof')
end
context "when executing under JRuby" do
let(:klass) {
Class.new do
include included_module
task_class task_klass
def current_thread_name
java_thread.get_name
end
def java_thread
Thread.current.to_java.getNativeThread
end
end
}
it "sets execution info" do
expect(klass.new.current_thread_name).to eq("Class#current_thread_name")
end
it "unsets execution info after task completion" do
expect(klass.new.java_thread.get_name).to eq("<unused>")
end
end if RUBY_PLATFORM == "java"
context "mocking methods" do
let(:actor) { actor_class.new "Troy McClure" }
before do
expect(actor.wrapped_object).to receive(:external_hello).once.and_return "World"
end
it "works externally via the proxy" do
expect(actor.external_hello).to eq("World")
end
it "works internally when called on self" do
expect(actor.internal_hello).to eq("World")
end
end
context :exceptions do
it "reraises exceptions which occur during synchronous calls in the sender" do
actor = actor_class.new "James Dean" # is this in bad taste?
expect do
actor.crash
end.to raise_exception(ExampleCrash)
end
it "includes both sender and receiver in exception traces" do
example_receiver = Class.new do
include included_module
task_class task_klass
define_method(:receiver_method) do
raise ExampleCrash, "the spec purposely crashed me :("
end
end
excample_caller = Class.new do
include included_module
task_class task_klass
define_method(:sender_method) do
example_receiver.new.receiver_method
end
end
ex = nil
begin
excample_caller.new.sender_method
rescue => ex
end
expect(ex).to be_a ExampleCrash
expect(ex.backtrace.grep(/`sender_method'/)).to be_truthy
expect(ex.backtrace.grep(/`receiver_method'/)).to be_truthy
end
it "raises DeadActorError if methods are synchronously called on a dead actor" do
actor = actor_class.new "James Dean"
actor.crash rescue nil
sleep 0.1 # hax to prevent a race between exit handling and the next call
expect do
actor.greet
end.to raise_exception(Celluloid::DeadActorError)
end
end
context :abort do
it "raises exceptions in the sender but keeps running" do
actor = actor_class.new "Al Pacino"
expect do
actor.crash_with_abort "You die motherfucker!", :bar
end.to raise_exception(ExampleCrash, "You die motherfucker!")
expect(actor).to be_alive
end
it "converts strings to runtime errors" do
actor = actor_class.new "Al Pacino"
expect do
actor.crash_with_abort_raw "foo"
end.to raise_exception(RuntimeError, "foo")
end
it "crashes the sender if we pass neither String nor Exception" do
actor = actor_class.new "Al Pacino"
expect do
actor.crash_with_abort_raw 10
end.to raise_exception(TypeError, "Exception object/String expected, but Fixnum received")
Celluloid::Actor.join(actor)
expect(actor).not_to be_alive
end
end
context :termination do
it "terminates" do
actor = actor_class.new "Arnold Schwarzenegger"
expect(actor).to be_alive
actor.terminate
Celluloid::Actor.join(actor)
expect(actor).not_to be_alive
end
it "can be terminated by a SyncCall" do
actor = actor_class.new "Arnold Schwarzenegger"
expect(actor).to be_alive
actor.shutdown
Celluloid::Actor.join(actor)
expect(actor).not_to be_alive
end
it "kills" do # THOU SHALT ALWAYS KILL
actor = actor_class.new "Woody Harrelson"
expect(actor).to be_alive
Celluloid::Actor.kill(actor)
Celluloid::Actor.join(actor)
expect(actor).not_to be_alive
end
it "raises DeadActorError if called after terminated" do
actor = actor_class.new "Arnold Schwarzenegger"
actor.terminate
expect do
actor.greet
end.to raise_exception(Celluloid::DeadActorError)
end
it "terminates cleanly on Celluloid shutdown" do
allow(Celluloid::Actor).to receive(:kill).and_call_original
actor = actor_class.new "Arnold Schwarzenegger"
Celluloid.shutdown
expect(Celluloid::Actor).not_to have_received(:kill)
end
it "raises the right DeadActorError if terminate! called after terminated" do
actor = actor_class.new "Arnold Schwarzenegger"
actor.terminate
expect do
actor.terminate!
end.to raise_exception(Celluloid::DeadActorError, "actor already terminated")
end
it "logs a warning when terminating tasks" do
expect(Celluloid.logger).to receive(:warn).with(/^Terminating task: type=:call, meta={:method_name=>:sleepy}, status=:sleeping\n/)
actor = actor_class.new "Arnold Schwarzenegger"
actor.async.sleepy 10
actor.greet # make sure the actor has started sleeping
actor.terminate
end
end
context :current_actor do
it "knows the current actor" do
actor = actor_class.new "Roger Daltrey"
expect(actor.current_actor).to eq actor
end
it "raises NotActorError if called outside an actor" do
expect do
Celluloid.current_actor
end.to raise_exception(Celluloid::NotActorError)
end
end
context :linking do
before :each do
@kevin = actor_class.new "Kevin Bacon" # Some six degrees action here
@charlie = actor_class.new "Charlie Sheen"
end
let(:supervisor_class) do
Class.new do # like a boss
include included_module
task_class task_klass
trap_exit :lambaste_subordinate
def initialize(name)
@name = name
@subordinate_lambasted = false
end
def subordinate_lambasted?; @subordinate_lambasted; end
def lambaste_subordinate(actor, reason)
@subordinate_lambasted = true
end
end
end
it "links to other actors" do
@kevin.link @charlie
expect(@kevin.monitoring?(@charlie)).to be_truthy
expect(@kevin.linked_to?(@charlie)).to be_truthy
expect(@charlie.monitoring?(@kevin)).to be_truthy
expect(@charlie.linked_to?(@kevin)).to be_truthy
end
it "unlinks from other actors" do
@kevin.link @charlie
@kevin.unlink @charlie
expect(@kevin.monitoring?(@charlie)).to be_falsey
expect(@kevin.linked_to?(@charlie)).to be_falsey
expect(@charlie.monitoring?(@kevin)).to be_falsey
expect(@charlie.linked_to?(@kevin)).to be_falsey
end
it "monitors other actors unidirectionally" do
@kevin.monitor @charlie
expect(@kevin.monitoring?(@charlie)).to be_truthy
expect(@kevin.linked_to?(@charlie)).to be_falsey
expect(@charlie.monitoring?(@kevin)).to be_falsey
expect(@charlie.linked_to?(@kevin)).to be_falsey
end
it "unmonitors other actors" do
@kevin.monitor @charlie
@kevin.unmonitor @charlie
expect(@kevin.monitoring?(@charlie)).to be_falsey
expect(@kevin.linked_to?(@charlie)).to be_falsey
expect(@charlie.monitoring?(@kevin)).to be_falsey
expect(@charlie.linked_to?(@kevin)).to be_falsey
end
it "traps exit messages from other actors" do
chuck = supervisor_class.new "Chuck Lorre"
chuck.link @charlie
expect do
@charlie.crash
end.to raise_exception(ExampleCrash)
sleep 0.1 # hax to prevent a race between exit handling and the next call
expect(chuck).to be_subordinate_lambasted
end
it "traps exit messages from other actors in subclasses" do
supervisor_subclass = Class.new(supervisor_class)
chuck = supervisor_subclass.new "Chuck Lorre"
chuck.link @charlie
expect do
@charlie.crash
end.to raise_exception(ExampleCrash)
sleep 0.1 # hax to prevent a race between exit handling and the next call
expect(chuck).to be_subordinate_lambasted
end
it "unlinks from a dead linked actor" do
chuck = supervisor_class.new "Chuck Lorre"
chuck.link @charlie
expect do
@charlie.crash
end.to raise_exception(ExampleCrash)
sleep 0.1 # hax to prevent a race between exit handling and the next call
expect(chuck.links.count).to be(0)
end
end
context :signaling do
before do
@signaler = Class.new do
include included_module
task_class task_klass
def initialize
@waiting = false
@signaled = false
end
def wait_for_signal
raise "already signaled" if @signaled
@waiting = true
value = wait :ponycopter
@waiting = false
@signaled = true
value
end
def send_signal(value)
signal :ponycopter, value
end
def waiting?; @waiting end
def signaled?; @signaled end
end
end
it "allows methods within the same object to signal each other" do
obj = @signaler.new
expect(obj).not_to be_signaled
obj.async.wait_for_signal
expect(obj).not_to be_signaled
expect(obj).to be_waiting
obj.send_signal :foobar
expect(obj).to be_signaled
expect(obj).not_to be_waiting
end
it "sends values along with signals" do
obj = @signaler.new
expect(obj).not_to be_signaled
future = obj.future(:wait_for_signal)
expect(obj).to be_waiting
expect(obj).not_to be_signaled
expect(obj.send_signal(:foobar)).to be_truthy
expect(future.value).to be(:foobar)
end
end
context :exclusive do
subject do
Class.new do
include included_module
task_class task_klass
attr_reader :tasks
def initialize
@tasks = []
end
def log_task(task)
@tasks << task
end
def exclusive_with_block_log_task(task)
exclusive do
sleep Celluloid::TIMER_QUANTUM
log_task(task)
end
end
def exclusive_log_task(task)
sleep Celluloid::TIMER_QUANTUM
log_task(task)
end
exclusive :exclusive_log_task
def check_not_exclusive
Celluloid.exclusive?
end
def check_exclusive
exclusive { Celluloid.exclusive? }
end
def nested_exclusive_example
exclusive { exclusive { nil }; Celluloid.exclusive? }
end
end.new
end
it "executes methods in the proper order with block form" do
subject.async.exclusive_with_block_log_task(:one)
subject.async.log_task(:two)
sleep Celluloid::TIMER_QUANTUM * 2
expect(subject.tasks).to eq([:one, :two])
end
it "executes methods in the proper order with a class-level annotation" do
subject.async.exclusive_log_task :one
subject.async.log_task :two
sleep Celluloid::TIMER_QUANTUM * 2
expect(subject.tasks).to eq([:one, :two])
end
it "knows when it's in exclusive mode" do
expect(subject.check_not_exclusive).to be_falsey
expect(subject.check_exclusive).to be_truthy
end
it "remains in exclusive mode inside nested blocks" do
expect(subject.nested_exclusive_example).to be_truthy
end
end
context "exclusive classes" do
subject do
Class.new do
include included_module
task_class task_klass
exclusive
attr_reader :tasks
def initialize
@tasks = []
end
def eat_donuts
sleep Celluloid::TIMER_QUANTUM
@tasks << 'donuts'
end
def drink_coffee
@tasks << 'coffee'
end
end
end
it "executes two methods in an exclusive order" do
actor = subject.new
actor.async.eat_donuts
actor.async.drink_coffee
sleep Celluloid::TIMER_QUANTUM * 2
expect(actor.tasks).to eq(['donuts', 'coffee'])
end
end
context :receiving do
before do
@receiver = Class.new do
include included_module
task_class task_klass
execute_block_on_receiver :signal_myself
def signal_myself(obj, &block)
current_actor.mailbox << obj
receive(&block)
end
end
end
let(:receiver) { @receiver.new }
let(:message) { Object.new }
it "allows unconditional receive" do
expect(receiver.signal_myself(message)).to eq(message)
end
it "allows arbitrary selective receive" do
received_obj = receiver.signal_myself(message) { |o| o == message }
expect(received_obj).to eq(message)
end
it "times out after the given interval", :pending => ENV['CI'] do
interval = 0.1
started_at = Time.now
expect(receiver.receive(interval) { false }).to be_nil
expect(Time.now - started_at).to be_within(Celluloid::TIMER_QUANTUM).of interval
end
end
context :timers do
before do
@klass = Class.new do
include included_module
task_class task_klass
def initialize
@sleeping = false
@fired = false
end
def do_sleep(n)
@sleeping = true
sleep n
@sleeping = false
end
def sleeping?; @sleeping end
def fire_after(n)
after(n) { @fired = true }
end
def fire_every(n)
@fired = 0
every(n) { @fired += 1 }
end
def fired?; !!@fired end
def fired; @fired end
end
end
it "suspends execution of a method (but not the actor) for a given time" do
actor = @klass.new
# Sleep long enough to ensure we're actually seeing behavior when asleep
# but not so long as to delay the test suite unnecessarily
interval = Celluloid::TIMER_QUANTUM * 10
started_at = Time.now
future = actor.future(:do_sleep, interval)
sleep(interval / 2) # wonky! :/
expect(actor).to be_sleeping
future.value
expect(Time.now - started_at).to be_within(Celluloid::TIMER_QUANTUM).of interval
end
it "schedules timers which fire in the future" do
actor = @klass.new
interval = Celluloid::TIMER_QUANTUM * 10
actor.fire_after(interval)
expect(actor).not_to be_fired
sleep(interval + Celluloid::TIMER_QUANTUM) # wonky! #/
expect(actor).to be_fired
end
it "schedules recurring timers which fire in the future" do
actor = @klass.new
interval = Celluloid::TIMER_QUANTUM * 10
actor.fire_every(interval)
expect(actor.fired).to be_zero
sleep(interval + Celluloid::TIMER_QUANTUM) # wonky! #/
expect(actor.fired).to be 1
2.times { sleep(interval + Celluloid::TIMER_QUANTUM) } # wonky! #/
expect(actor.fired).to be 3
end
it "cancels timers before they fire" do
actor = @klass.new
interval = Celluloid::TIMER_QUANTUM * 10
timer = actor.fire_after(interval)
expect(actor).not_to be_fired
timer.cancel
sleep(interval + Celluloid::TIMER_QUANTUM) # wonky! #/
expect(actor).not_to be_fired
end
it "allows delays from outside the actor" do
actor = @klass.new
interval = Celluloid::TIMER_QUANTUM * 10
fired = false
actor.after(interval) do
fired = true
end
expect(fired).to be_falsey
sleep(interval + Celluloid::TIMER_QUANTUM) # wonky! #/
expect(fired).to be_truthy
end
end
context :tasks do
before do
@klass = Class.new do
include included_module
task_class task_klass
attr_reader :blocker
def initialize
@blocker = Blocker.new
end
def blocking_call
@blocker.block
end
end
class Blocker
include Celluloid
def block
wait :unblock
end
def unblock
signal :unblock
end
end
end
it "knows which tasks are waiting on calls to other actors" do
actor = @klass.new
tasks = actor.tasks
expect(tasks.size).to be 1
actor.future(:blocking_call)
sleep 0.1 # hax! waiting for ^^^ call to actually start
tasks = actor.tasks
expect(tasks.size).to be 2
blocking_task = tasks.find { |t| t.status != :running }
expect(blocking_task).to be_a task_klass
expect(blocking_task.status).to be :callwait
actor.blocker.unblock
sleep 0.1 # hax again :(
expect(actor.tasks.size).to be 1
end
end
context :mailbox_class do
class ExampleMailbox < Celluloid::Mailbox; end
subject do
Class.new do
include included_module
task_class task_klass
mailbox_class ExampleMailbox
end
end
it "uses user-specified mailboxes" do
expect(subject.new.mailbox).to be_a ExampleMailbox
end
it "retains custom mailboxes when subclassed" do
subclass = Class.new(subject)
expect(subclass.new.mailbox).to be_a ExampleMailbox
end
end
context :mailbox_size do
subject do
Class.new do
include included_module
task_class task_klass
mailbox_size 100
end
end
it "configures the mailbox limit" do
expect(subject.new.mailbox.max_size).to eq(100)
end
end
context :proxy_class do
class ExampleProxy < Celluloid::CellProxy
def subclass_proxy?
true
end
end
subject do
Class.new do
include included_module
task_class task_klass
proxy_class ExampleProxy
end
end
it "uses user-specified proxy" do
expect{subject.new.subclass_proxy?}.to_not raise_error
end
it "retains custom proxy when subclassed" do
subclass = Class.new(subject)
expect(subclass.new.subclass_proxy?).to be(true)
end
end
context :task_class do
class ExampleTask < Celluloid::TaskFiber; end
subject do
Class.new do
include included_module
task_class ExampleTask
end
end
it "overrides the task class" do
expect(subject.new.tasks.first).to be_a ExampleTask
end
it "retains custom task classes when subclassed" do
subclass = Class.new(subject)
expect(subclass.new.tasks.first).to be_a ExampleTask
end
end
context :timeouts do
let :actor_class do
Class.new do
include included_module
def name
sleep 0.5
:foo
end
def ask_name_with_timeout(other, duration)
timeout(duration) { other.name }
end
end
end
it "allows timing out tasks, raising Celluloid::Task::TimeoutError" do
a1 = actor_class.new
a2 = actor_class.new
expect { a1.ask_name_with_timeout a2, 0.3 }.to raise_error(Celluloid::Task::TimeoutError)
end
it "does not raise when it completes in time" do
a1 = actor_class.new
a2 = actor_class.new
expect(a1.ask_name_with_timeout(a2, 0.6)).to eq(:foo)
end
end
context "raw message sends" do
it "logs on unhandled messages" do
expect(Celluloid.logger).to receive(:debug).with("Discarded message (unhandled): first")
actor = actor_class.new "Irma Gladden"
actor.mailbox << :first
sleep Celluloid::TIMER_QUANTUM
end
end
end
|