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 nil, @backend.lasterr
29 assert_equal nil, @backend.lasterrstr
30 assert_equal({}, @backend.dead)
32 @backend = MogileFS::Backend.new :hosts => ['localhost:6001'], :timeout => 1
33 assert_equal 1, @backend.timeout
37 srv = TCPServer.new("127.0.0.1", 0)
39 accepted = Thread.new do
41 client.write("OK 1 you=win\r\n")
44 @backend.hosts = [ "127.0.0.1:#{port}" ]
45 assert_equal({'you' => 'win'},
46 @backend.do_request('go!', { 'fight' => 'team fight!' }))
47 accepted = accepted.value
48 assert_equal "go! fight=team+fight%21\r\n", accepted.readpartial(4096)
51 def test_automatic_exception
52 assert ! MogileFS::Backend.const_defined?('PebkacError')
53 assert @backend.error('pebkac')
54 assert_equal MogileFS::Error, @backend.error('PebkacError').superclass
55 assert MogileFS::Backend.const_defined?('PebkacError')
57 assert ! MogileFS::Backend.const_defined?('PebKacError')
58 assert @backend.error('peb_kac')
59 assert_equal MogileFS::Error, @backend.error('PebKacError').superclass
60 assert MogileFS::Backend.const_defined?('PebKacError')
63 def test_size_verify_error_defined
64 # "ErrorError" just looks dumb, but we used to get it
65 # since mogilefs would send us "size_verify_error" and we'd
66 # blindly append "Error" to the exception
67 assert ! MogileFS::Backend.const_defined?('SizeVerifyErrorError')
68 assert MogileFS::Backend.const_defined?('SizeVerifyError')
72 assert_equal "go! fight=team+fight%21\r\n",
73 @backend.make_request('go!', { 'fight' => 'team fight!' })
76 def test_parse_response
77 assert_equal({'foo' => 'bar', 'baz' => 'hoge'},
78 @backend.parse_response("OK 1 foo=bar&baz=hoge\r\n"))
82 @backend.parse_response("ERR you totally suck\r\n")
83 rescue MogileFS::Error => err
84 assert_equal 'MogileFS::Backend::YouError', err.class.to_s
85 assert_equal 'totally suck', err.message
87 assert_equal 'MogileFS::Backend::YouError', err.class.to_s
89 assert_equal 'you', @backend.lasterr
90 assert_equal 'totally suck', @backend.lasterrstr
92 assert_raises MogileFS::InvalidResponseError do
93 @backend.parse_response 'garbage'
95 assert_raises MogileFS::InvalidResponseError do
96 @backend.parse_response("OK 1 foo=bar&baz=hoge")
100 def test_parse_response_newline
102 @backend.parse_response("ERR you totally suck\r\n")
103 rescue MogileFS::Error => err
104 assert_equal 'MogileFS::Backend::YouError', err.class.to_s
105 assert_equal 'totally suck', err.message
108 assert_equal 'you', @backend.lasterr
109 assert_equal 'totally suck', @backend.lasterrstr
112 def test_readable_eh_not_readable
113 srv = TCPServer.new("127.0.0.1", 0)
115 @backend = MogileFS::Backend.new(:hosts => [ "127.0.0.1:#{port}" ],
118 @backend.do_request 'foo', {}
119 rescue MogileFS::UnreadableSocketError => e
120 assert_equal "127.0.0.1:#{port} never became readable", e.message
121 rescue Exception => err
122 flunk "MogileFS::UnreadableSocketError not raised #{err} #{err.backtrace}"
124 flunk "MogileFS::UnreadableSocketError not raised"
129 assert_equal({}, @backend.dead)
130 assert_raises(MogileFS::UnreachableBackendError) do
131 @backend.do_request('test', {})
133 assert_equal(['localhost:1'], @backend.dead.keys)
136 def test_socket_robust_on_dead_server
138 t1 = TCPServer.new("127.0.0.1", 0)
139 t2 = TCPServer.new("127.0.0.1", 0)
140 hosts = ["127.0.0.1:#{t1.addr[1]}", "127.0.0.1:#{t2.addr[1]}"]
141 @backend = MogileFS::Backend.new(:hosts => hosts.dup)
142 assert_equal({}, @backend.dead)
146 client.write("OK 1 foo=bar\r\n")
150 assert_nothing_raised do
151 rv = @backend.do_request('test', { "all" => "ALL" })
154 assert_equal "test all=ALL\r\n", accepted.readpartial(666)
155 assert_equal({"foo"=>"bar"}, rv)
160 srv = TCPServer.new('127.0.0.1', 0)
162 @backend = MogileFS::Backend.new :hosts => [ "127.0.0.1:#{port}" ]
163 assert @backend.socket
164 assert ! @backend.socket.closed?
167 resp = @backend.socket.read(1)
169 assert_equal nil, @backend.instance_variable_get(:@socket)
170 assert_equal 1, resp.to_i
174 assert_equal({"\272z" => "\360opy", "f\000" => "\272r"},
175 @backend.url_decode("%baz=%f0opy&f%00=%bar"))
176 assert_equal({}, @backend.url_decode(''))
180 params = [["f\000", "\272r"], ["\272z", "\360opy"]]
181 assert_equal "f%00=%bar&%baz=%f0opy", @backend.url_encode(params)
184 def test_url_escape # \n for unit_diff
185 actual = (0..255).map { |c| @backend.url_escape c.chr }.join "\n"
188 expected.push(*(0..0x1f).map { |c| "%%%0.2x" % c })
190 expected.push(*(0x21..0x2b).map { |c| "%%%0.2x" % c })
191 expected.push(*%w[, - . /])
192 expected.push(*('0'..'9'))
193 expected.push(*%w[: %3b %3c %3d %3e %3f %40])
194 expected.push(*('A'..'Z'))
195 expected.push(*%w[%5b \\ %5d %5e _ %60])
196 expected.push(*('a'..'z'))
197 expected.push(*(0x7b..0xff).map { |c| "%%%0.2x" % c })
199 expected = expected.join "\n"
201 assert_equal expected, actual
204 def test_url_unescape
206 input.push(*(0..0x1f).map { |c| "%%%0.2x" % c })
208 input.push(*(0x21..0x2b).map { |c| "%%%0.2x" % c })
209 input.push(*%w[, - . /])
210 input.push(*('0'..'9'))
211 input.push(*%w[: %3b %3c %3d %3e %3f %40])
212 input.push(*('A'..'Z'))
213 input.push(*%w[%5b \\ %5d %5e _ %60])
214 input.push(*('a'..'z'))
215 input.push(*(0x7b..0xff).map { |c| "%%%0.2x" % c })
217 actual = input.map { |c| @backend.url_unescape c }.join "\n"
219 expected = (0..255).map { |c| c.chr }.join "\n"
220 expected.sub! '+', ' '
222 assert_equal expected, actual