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| | # -*- encoding: binary -*-
require 'test/unit'
require './test/setup'
$TESTING = true
class MogileFS::Backend
attr_accessor :hosts
attr_reader :timeout, :dead
attr_writer :lasterr, :lasterrstr, :socket
end
class TestBackend < Test::Unit::TestCase
def setup
@backend = MogileFS::Backend.new :hosts => ['localhost:1']
end
def test_initialize
assert_raises ArgumentError do MogileFS::Backend.new end
assert_raises ArgumentError do MogileFS::Backend.new :hosts => [] end
assert_raises ArgumentError do MogileFS::Backend.new :hosts => [''] end
assert_equal ['localhost:1'], @backend.hosts
assert_equal 3, @backend.timeout
assert_equal nil, @backend.lasterr
assert_equal nil, @backend.lasterrstr
assert_equal({}, @backend.dead)
@backend = MogileFS::Backend.new :hosts => ['localhost:6001'], :timeout => 1
assert_equal 1, @backend.timeout
end
def test_do_request
srv = TCPServer.new("127.0.0.1", 0)
port = srv.addr[1]
accepted = Thread.new do
client = srv.accept
client.write("OK 1 you=win\r\n")
client
end
@backend.hosts = [ "127.0.0.1:#{port}" ]
assert_equal({'you' => 'win'},
@backend.do_request('go!', { 'fight' => 'team fight!' }))
accepted = accepted.value
assert_equal "go! fight=team+fight%21\r\n", accepted.readpartial(4096)
end
def test_automatic_exception
assert ! MogileFS::Backend.const_defined?('PebkacError')
assert @backend.error('pebkac')
assert_equal MogileFS::Error, @backend.error('PebkacError').superclass
assert MogileFS::Backend.const_defined?('PebkacError')
assert ! MogileFS::Backend.const_defined?('PebKacError')
assert @backend.error('peb_kac')
assert_equal MogileFS::Error, @backend.error('PebKacError').superclass
assert MogileFS::Backend.const_defined?('PebKacError')
assert_nothing_raised do
MogileFS::Backend::OMFGWTFBBQError
end
assert_equal MogileFS::Error, MogileFS::Backend::OMFGWTFBBQError.superclass
assert_raises(NameError) do
MogileFS::Backend::FailFailFail
end
end
def test_make_request
assert_equal "go! fight=team+fight%21\r\n",
@backend.make_request('go!', { 'fight' => 'team fight!' })
end
def test_parse_response
assert_equal({'foo' => 'bar', 'baz' => 'hoge'},
@backend.parse_response("OK 1 foo=bar&baz=hoge\r\n"))
err = nil
begin
@backend.parse_response("ERR you totally suck\r\n")
rescue MogileFS::Error => err
assert_equal 'MogileFS::Backend::YouError', err.class.to_s
assert_equal 'totally suck', err.message
end
assert_equal 'MogileFS::Backend::YouError', err.class.to_s
assert_equal 'you', @backend.lasterr
assert_equal 'totally suck', @backend.lasterrstr
assert_raises MogileFS::InvalidResponseError do
@backend.parse_response 'garbage'
end
assert_raises MogileFS::InvalidResponseError do
@backend.parse_response("OK 1 foo=bar&baz=hoge")
end
end
def test_parse_response_newline
begin
@backend.parse_response("ERR you totally suck\r\n")
rescue MogileFS::Error => err
assert_equal 'MogileFS::Backend::YouError', err.class.to_s
assert_equal 'totally suck', err.message
end
assert_equal 'you', @backend.lasterr
assert_equal 'totally suck', @backend.lasterrstr
end
def test_readable_eh_not_readable
srv = TCPServer.new("127.0.0.1", 0)
port = srv.addr[1]
@backend = MogileFS::Backend.new(:hosts => [ "127.0.0.1:#{port}" ],
:timeout => 0.5)
begin
@backend.do_request 'foo', {}
rescue MogileFS::UnreadableSocketError => e
assert_match(/127\.0\.0\.1:#{port} never became readable/, e.message)
rescue Exception => err
flunk "MogileFS::UnreadableSocketError not raised #{err} #{err.backtrace}"
else
flunk "MogileFS::UnreadableSocketError not raised"
end
end
def test_socket_dead
assert_equal({}, @backend.dead)
assert_raises(MogileFS::UnreachableBackendError) do
@backend.do_request('test', {})
end
assert_equal(['localhost:1'], @backend.dead.keys)
end
def test_socket_robust_on_dead_server
10.times do
t1 = TCPServer.new("127.0.0.1", 0)
t2 = TCPServer.new("127.0.0.1", 0)
hosts = ["127.0.0.1:#{t1.addr[1]}", "127.0.0.1:#{t2.addr[1]}"]
@backend = MogileFS::Backend.new(:hosts => hosts.dup)
assert_equal({}, @backend.dead)
t1.close
thr = Thread.new do
client = t2.accept
client.write("OK 1 foo=bar\r\n")
client
end
rv = nil
assert_nothing_raised do
rv = @backend.do_request('test', { "all" => "ALL" })
end
accepted = thr.value
assert_equal "test all=ALL\r\n", accepted.readpartial(666)
assert_equal({"foo"=>"bar"}, rv)
end
end
def test_shutdown
srv = TCPServer.new('127.0.0.1', 0)
port = srv.addr[1]
@backend = MogileFS::Backend.new :hosts => [ "127.0.0.1:#{port}" ]
assert @backend.socket
assert ! @backend.socket.closed?
client = srv.accept
client.write '1'
resp = @backend.socket.read(1)
@backend.shutdown
assert_equal nil, @backend.instance_variable_get(:@socket)
assert_equal 1, resp.to_i
end
def test_url_decode
assert_equal({"\272z" => "\360opy", "f\000" => "\272r"},
@backend.url_decode("%baz=%f0opy&f%00=%bar"))
assert_equal({}, @backend.url_decode(''))
end
def test_url_encode
params = [["f\000", "\272r"], ["\272z", "\360opy"]]
assert_equal "f%00=%bar&%baz=%f0opy", @backend.url_encode(params)
end
def test_url_escape # \n for unit_diff
actual = (0..255).map { |c| @backend.url_escape c.chr }.join "\n"
expected = []
expected.push(*(0..0x1f).map { |c| "%%%0.2x" % c })
expected << '+'
expected.push(*(0x21..0x2b).map { |c| "%%%0.2x" % c })
expected.push(*%w[, - . /])
expected.push(*('0'..'9'))
expected.push(*%w[: %3b %3c %3d %3e %3f %40])
expected.push(*('A'..'Z'))
expected.push(*%w[%5b \\ %5d %5e _ %60])
expected.push(*('a'..'z'))
expected.push(*(0x7b..0xff).map { |c| "%%%0.2x" % c })
expected = expected.join "\n"
assert_equal expected, actual
end
def test_url_unescape
input = []
input.push(*(0..0x1f).map { |c| "%%%0.2x" % c })
input << '+'
input.push(*(0x21..0x2b).map { |c| "%%%0.2x" % c })
input.push(*%w[, - . /])
input.push(*('0'..'9'))
input.push(*%w[: %3b %3c %3d %3e %3f %40])
input.push(*('A'..'Z'))
input.push(*%w[%5b \\ %5d %5e _ %60])
input.push(*('a'..'z'))
input.push(*(0x7b..0xff).map { |c| "%%%0.2x" % c })
actual = input.map { |c| @backend.url_unescape c }.join "\n"
expected = (0..255).map { |c| c.chr }.join "\n"
assert_equal expected, actual
end
def test_fail_timeout
o = { :domain => "none", :hosts => %w(0:666 0:6 0:66) }
c = MogileFS::MogileFS.new(o)
assert_equal 5, c.backend.instance_variable_get(:@fail_timeout)
o[:fail_timeout] = 0.666
c = MogileFS::MogileFS.new(o)
assert_equal 0.666, c.backend.instance_variable_get(:@fail_timeout)
end
end
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