1 # -*- encoding: binary -*-
7 class MogileFS::Backend
10 attr_reader :timeout, :dead
11 attr_writer :lasterr, :lasterrstr, :socket
15 class TestBackend < Test::Unit::TestCase
18 @backend = MogileFS::Backend.new :hosts => ['localhost:1']
22 assert_raises ArgumentError do MogileFS::Backend.new end
23 assert_raises ArgumentError do MogileFS::Backend.new :hosts => [] end
24 assert_raises ArgumentError do MogileFS::Backend.new :hosts => [''] end
26 assert_equal ['localhost:1'], @backend.hosts
27 assert_equal 3, @backend.timeout
28 assert_equal 3, @backend.instance_variable_get(:@connect_timeout)
29 assert_equal nil, @backend.lasterr
30 assert_equal nil, @backend.lasterrstr
31 assert_equal({}, @backend.dead)
33 @backend = MogileFS::Backend.new :hosts => ['localhost:6001'], :timeout => 1
34 assert_equal 1, @backend.timeout
35 assert_equal 1, @backend.instance_variable_get(:@connect_timeout)
39 srv = TCPServer.new("127.0.0.1", 0)
41 accepted = Thread.new do
43 client.write("OK 1 you=win\r\n")
46 @backend.hosts = [ "127.0.0.1:#{port}" ]
47 assert_equal({'you' => 'win'},
48 @backend.do_request('go!', { 'fight' => 'team fight!' }))
49 accepted = accepted.value
50 assert_equal "go! fight=team+fight%21\r\n", accepted.readpartial(4096)
53 def test_automatic_exception
54 assert ! MogileFS::Backend.const_defined?('PebkacError')
55 assert @backend.error('pebkac')
56 assert_equal MogileFS::Error, @backend.error('PebkacError').superclass
57 assert MogileFS::Backend.const_defined?('PebkacError')
59 assert ! MogileFS::Backend.const_defined?('PebKacError')
60 assert @backend.error('peb_kac')
61 assert_equal MogileFS::Error, @backend.error('PebKacError').superclass
62 assert MogileFS::Backend.const_defined?('PebKacError')
64 assert_equal MogileFS::Error, MogileFS::Backend::OMFGWTFBBQError.superclass
65 assert_raises(NameError) do
66 MogileFS::Backend::FailFailFail
71 assert_equal "go! fight=team+fight%21\r\n",
72 @backend.make_request('go!', { 'fight' => 'team fight!' })
75 def test_parse_response
76 assert_equal({'foo' => 'bar', 'baz' => 'hoge'},
77 @backend.parse_response("OK 1 foo=bar&baz=hoge\r\n"))
81 @backend.parse_response("ERR you totally suck\r\n")
82 rescue MogileFS::Error => err
83 assert_equal 'MogileFS::Backend::YouError', err.class.to_s
84 assert_equal 'totally suck', err.message
86 assert_equal 'MogileFS::Backend::YouError', err.class.to_s
88 assert_equal 'you', @backend.lasterr
89 assert_equal 'totally suck', @backend.lasterrstr
91 assert_raises MogileFS::InvalidResponseError do
92 @backend.parse_response 'garbage'
94 assert_raises MogileFS::InvalidResponseError do
95 @backend.parse_response("OK 1 foo=bar&baz=hoge")
99 def test_parse_response_newline
101 @backend.parse_response("ERR you totally suck\r\n")
102 rescue MogileFS::Error => err
103 assert_equal 'MogileFS::Backend::YouError', err.class.to_s
104 assert_equal 'totally suck', err.message
107 assert_equal 'you', @backend.lasterr
108 assert_equal 'totally suck', @backend.lasterrstr
111 def test_readable_eh_not_readable
112 srv = TCPServer.new("127.0.0.1", 0)
114 @backend = MogileFS::Backend.new(:hosts => [ "127.0.0.1:#{port}" ],
117 @backend.do_request 'foo', {}
118 rescue MogileFS::UnreadableSocketError => e
119 assert_match(/127\.0\.0\.1:#{port} never became readable/, e.message)
120 rescue Exception => err
121 flunk "MogileFS::UnreadableSocketError not raised #{err} #{err.backtrace}"
123 flunk "MogileFS::UnreadableSocketError not raised"
128 assert_equal({}, @backend.dead)
129 assert_raises(MogileFS::UnreachableBackendError) do
130 @backend.do_request('test', {})
132 assert_equal(['localhost:1'], @backend.dead.keys)
135 def test_socket_robust_on_dead_server
137 t1 = TCPServer.new("127.0.0.1", 0)
138 t2 = TCPServer.new("127.0.0.1", 0)
139 hosts = ["127.0.0.1:#{t1.addr[1]}", "127.0.0.1:#{t2.addr[1]}"]
140 @backend = MogileFS::Backend.new(:hosts => hosts.dup)
141 assert_equal({}, @backend.dead)
145 client.write("OK 1 foo=bar\r\n")
148 rv = @backend.do_request('test', { "all" => "ALL" })
150 assert_equal "test all=ALL\r\n", accepted.readpartial(666)
151 assert_equal({"foo"=>"bar"}, rv)
156 srv = TCPServer.new('127.0.0.1', 0)
158 @backend = MogileFS::Backend.new :hosts => [ "127.0.0.1:#{port}" ]
159 assert @backend.socket
160 assert ! @backend.socket.closed?
163 resp = @backend.socket.read(1)
165 assert_equal nil, @backend.instance_variable_get(:@socket)
166 assert_equal 1, resp.to_i
170 assert_equal({"\272z" => "\360opy", "f\000" => "\272r"},
171 @backend.url_decode("%baz=%f0opy&f%00=%bar"))
172 assert_equal({}, @backend.url_decode(''))
176 params = [["f\000", "\272r"], ["\272z", "\360opy"]]
177 assert_equal "f%00=%bar&%baz=%f0opy", @backend.url_encode(params)
180 def test_url_escape # \n for unit_diff
181 actual = (0..255).map { |c| @backend.url_escape c.chr }.join "\n"
184 expected.push(*(0..0x1f).map { |c| "%%%0.2x" % c })
186 expected.push(*(0x21..0x2b).map { |c| "%%%0.2x" % c })
187 expected.push(*%w[, - . /])
188 expected.push(*('0'..'9'))
189 expected.push(*%w[: %3b %3c %3d %3e %3f %40])
190 expected.push(*('A'..'Z'))
191 expected.push(*%w[%5b \\ %5d %5e _ %60])
192 expected.push(*('a'..'z'))
193 expected.push(*(0x7b..0xff).map { |c| "%%%0.2x" % c })
195 expected = expected.join "\n"
197 assert_equal expected, actual
200 def test_url_unescape
202 input.push(*(0..0x1f).map { |c| "%%%0.2x" % c })
204 input.push(*(0x21..0x2b).map { |c| "%%%0.2x" % c })
205 input.push(*%w[, - . /])
206 input.push(*('0'..'9'))
207 input.push(*%w[: %3b %3c %3d %3e %3f %40])
208 input.push(*('A'..'Z'))
209 input.push(*%w[%5b \\ %5d %5e _ %60])
210 input.push(*('a'..'z'))
211 input.push(*(0x7b..0xff).map { |c| "%%%0.2x" % c })
213 actual = input.map { |c| @backend.url_unescape c }.join "\n"
215 expected = (0..255).map { |c| c.chr }.join "\n"
217 assert_equal expected, actual
220 def test_fail_timeout
221 o = { :domain => "none", :hosts => %w(0:666 0:6 0:66) }
222 c = MogileFS::MogileFS.new(o)
223 assert_equal 5, c.backend.instance_variable_get(:@fail_timeout)
224 o[:fail_timeout] = 0.666
225 c = MogileFS::MogileFS.new(o)
226 assert_equal 0.666, c.backend.instance_variable_get(:@fail_timeout)
229 def test_connect_timeout
232 :hosts => %w(0:666 0:6 0:66),
233 :connect_timeout => 1
235 c = MogileFS::MogileFS.new(o)
236 assert_equal 1, c.backend.instance_variable_get(:@connect_timeout)
238 c = MogileFS::MogileFS.new(o)
239 assert_equal 1, c.backend.instance_variable_get(:@connect_timeout)
240 assert_equal 5, c.backend.instance_variable_get(:@timeout)