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# frozen_string_literal: true
require 'test/unit'
require_relative 'scheduler'
class TestAddressResolve < Test::Unit::TestCase
class NullScheduler < Scheduler
def address_resolve(*)
end
end
class StubScheduler < Scheduler
def address_resolve(hostname)
["1.2.3.4", "1234::1"]
end
end
def test_addrinfo_getaddrinfo_ipv4_domain_blocking
Thread.new do
scheduler = StubScheduler.new
Fiber.set_scheduler scheduler
Fiber.schedule do
result = Addrinfo.getaddrinfo("example.com", 80, :AF_INET, :STREAM)
assert_equal(1, result.count)
ai = result.first
assert_equal("1.2.3.4", ai.ip_address)
assert_equal(80, ai.ip_port)
assert_equal(Socket::AF_INET, ai.afamily)
assert_equal(Socket::SOCK_STREAM, ai.socktype)
end
end.join
end
def test_addrinfo_getaddrinfo_ipv6_domain_blocking
Thread.new do
scheduler = StubScheduler.new
Fiber.set_scheduler scheduler
Fiber.schedule do
result = Addrinfo.getaddrinfo("example.com", 80, :AF_INET6, :STREAM)
assert_equal(1, result.count)
ai = result.first
assert_equal("1234::1", ai.ip_address)
assert_equal(80, ai.ip_port)
assert_equal(Socket::AF_INET6, ai.afamily)
assert_equal(Socket::SOCK_STREAM, ai.socktype)
end
end.join
end
def test_addrinfo_getaddrinfo_pf_unspec_domain_blocking
Thread.new do
scheduler = StubScheduler.new
Fiber.set_scheduler scheduler
Fiber.schedule do
results = Addrinfo.getaddrinfo("example.com", 80, :PF_UNSPEC, :STREAM)
assert_equal(2, results.count)
ai_ipv4 = results.first
assert_equal("1.2.3.4", ai_ipv4.ip_address)
assert_equal(80, ai_ipv4.ip_port)
assert_equal(Socket::AF_INET, ai_ipv4.afamily)
assert_equal(Socket::SOCK_STREAM, ai_ipv4.socktype)
ai_ipv6 = results.last
assert_equal("1234::1", ai_ipv6.ip_address)
assert_equal(80, ai_ipv6.ip_port)
assert_equal(Socket::AF_INET6, ai_ipv6.afamily)
assert_equal(Socket::SOCK_STREAM, ai_ipv6.socktype)
end
end.join
end
def test_addrinfo_getaddrinfo_full_domain_blocking
Thread.new do
scheduler = StubScheduler.new
Fiber.set_scheduler scheduler
Fiber.schedule do
results = Addrinfo.getaddrinfo("example.com", 80)
assert_equal(6, results.count)
ai_ipv4_tcp = results[0]
assert_equal("1.2.3.4", ai_ipv4_tcp.ip_address)
assert_equal(80, ai_ipv4_tcp.ip_port)
assert_equal(Socket::AF_INET, ai_ipv4_tcp.afamily)
assert_equal(Socket::SOCK_STREAM, ai_ipv4_tcp.socktype)
ai_ipv4_udp = results[1]
assert_equal("1.2.3.4", ai_ipv4_udp.ip_address)
assert_equal(80, ai_ipv4_udp.ip_port)
assert_equal(Socket::AF_INET, ai_ipv4_udp.afamily)
assert_equal(Socket::SOCK_DGRAM, ai_ipv4_udp.socktype)
ai_ipv4_sock_raw = results[2]
assert_equal("1.2.3.4", ai_ipv4_sock_raw.ip_address)
assert_equal(80, ai_ipv4_sock_raw.ip_port)
assert_equal(Socket::AF_INET, ai_ipv4_sock_raw.afamily)
assert_equal(Socket::SOCK_RAW, ai_ipv4_sock_raw.socktype)
ai_ipv6_tcp = results[3]
assert_equal("1234::1", ai_ipv6_tcp.ip_address)
assert_equal(80, ai_ipv6_tcp.ip_port)
assert_equal(Socket::AF_INET6, ai_ipv6_tcp.afamily)
assert_equal(Socket::SOCK_STREAM, ai_ipv6_tcp.socktype)
ai_ipv6_udp = results[4]
assert_equal("1234::1", ai_ipv6_udp.ip_address)
assert_equal(80, ai_ipv6_udp.ip_port)
assert_equal(Socket::AF_INET6, ai_ipv6_udp.afamily)
assert_equal(Socket::SOCK_DGRAM, ai_ipv6_udp.socktype)
ai_ipv6_sock_raw = results[5]
assert_equal("1234::1", ai_ipv6_sock_raw.ip_address)
assert_equal(80, ai_ipv6_sock_raw.ip_port)
assert_equal(Socket::AF_INET6, ai_ipv6_sock_raw.afamily)
assert_equal(Socket::SOCK_RAW, ai_ipv6_sock_raw.socktype)
end
end.join
end
def test_addrinfo_getaddrinfo_numeric_non_blocking
Thread.new do
scheduler = NullScheduler.new # scheduler hook not invoked
Fiber.set_scheduler scheduler
Fiber.schedule do
result = Addrinfo.getaddrinfo("1.2.3.4", 80, :AF_INET, :STREAM)
assert_equal(1, result.count)
ai = result.first
assert_equal("1.2.3.4", ai.ip_address)
assert_equal(80, ai.ip_port)
assert_equal(Socket::AF_INET, ai.afamily)
assert_equal(Socket::SOCK_STREAM, ai.socktype)
end
end.join
end
def test_addrinfo_getaddrinfo_any_non_blocking
Thread.new do
scheduler = NullScheduler.new # scheduler hook not invoked
Fiber.set_scheduler scheduler
Fiber.schedule do
result = Addrinfo.getaddrinfo("<any>", 80, :AF_INET, :STREAM)
assert_equal(1, result.count)
ai = result.first
assert_equal("0.0.0.0", ai.ip_address)
assert_equal(80, ai.ip_port)
assert_equal(Socket::AF_INET, ai.afamily)
assert_equal(Socket::SOCK_STREAM, ai.socktype)
end
end.join
end
def test_addrinfo_getaddrinfo_localhost
Thread.new do
scheduler = StubScheduler.new
Fiber.set_scheduler scheduler
Fiber.schedule do
results = Addrinfo.getaddrinfo("localhost", 80, :AF_INET, :STREAM)
assert_equal(1, results.count)
ai = results.first
assert_equal("1.2.3.4", ai.ip_address)
end
end.join
end
def test_addrinfo_getaddrinfo_non_existing_domain_blocking
Thread.new do
scheduler = NullScheduler.new # invoked, returns nil
Fiber.set_scheduler scheduler
Fiber.schedule do
assert_raise(Socket::ResolutionError) {
Addrinfo.getaddrinfo("non-existing-domain.abc", nil)
}
end
end.join
end
def test_addrinfo_getaddrinfo_no_host_non_blocking
Thread.new do
scheduler = NullScheduler.new # scheduler hook not invoked
Fiber.set_scheduler scheduler
Fiber.schedule do
result = Addrinfo.getaddrinfo(nil, 80, :AF_INET, :STREAM)
assert_equal(1, result.count)
ai = result.first
assert_equal("127.0.0.1", ai.ip_address)
assert_equal(80, ai.ip_port)
assert_equal(Socket::AF_INET, ai.afamily)
assert_equal(Socket::SOCK_STREAM, ai.socktype)
end
end.join
end
def test_addrinfo_ip_domain_blocking
Thread.new do
scheduler = StubScheduler.new
Fiber.set_scheduler scheduler
Fiber.schedule do
ai = Addrinfo.ip("example.com")
assert_equal("1.2.3.4", ai.ip_address)
end
end.join
end
def test_addrinfo_tcp_domain_blocking
Thread.new do
scheduler = StubScheduler.new
Fiber.set_scheduler scheduler
Fiber.schedule do
ai = Addrinfo.tcp("example.com", 80)
assert_equal("1.2.3.4", ai.ip_address)
assert_equal(80, ai.ip_port)
assert_equal(Socket::AF_INET, ai.afamily)
assert_equal(Socket::SOCK_STREAM, ai.socktype)
end
end.join
end
def test_addrinfo_udp_domain_blocking
Thread.new do
scheduler = StubScheduler.new
Fiber.set_scheduler scheduler
Fiber.schedule do
ai = Addrinfo.udp("example.com", 80)
assert_equal("1.2.3.4", ai.ip_address)
assert_equal(80, ai.ip_port)
assert_equal(Socket::AF_INET, ai.afamily)
assert_equal(Socket::SOCK_DGRAM, ai.socktype)
end
end.join
end
def test_ip_socket_getaddress_domain_blocking
Thread.new do
scheduler = StubScheduler.new
Fiber.set_scheduler scheduler
Fiber.schedule do
ip = IPSocket.getaddress("example.com")
assert_equal("1.2.3.4", ip)
end
end.join
end
# This test "hits deep" into C function call chain.
def test_socket_getnameinfo_domain_blocking
Thread.new do
scheduler = StubScheduler.new
Fiber.set_scheduler scheduler
Fiber.schedule do
result = Socket.getnameinfo(["AF_INET", 80, "example.com"], Socket::NI_NUMERICSERV | Socket::NI_NUMERICHOST)
assert_equal(["1.2.3.4", "80"], result)
end
end.join
end
end
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