1 # -*- encoding: binary -*-
7 require 'mogilefs/backend'
9 class MogileFS::Backend
12 attr_reader :timeout, :dead
13 attr_writer :lasterr, :lasterrstr, :socket
17 class TestBackend < Test::Unit::TestCase
20 @backend = MogileFS::Backend.new :hosts => ['localhost:1']
24 assert_raises ArgumentError do MogileFS::Backend.new end
25 assert_raises ArgumentError do MogileFS::Backend.new :hosts => [] end
26 assert_raises ArgumentError do MogileFS::Backend.new :hosts => [''] end
28 assert_equal ['localhost:1'], @backend.hosts
29 assert_equal 3, @backend.timeout
30 assert_equal nil, @backend.lasterr
31 assert_equal nil, @backend.lasterrstr
32 assert_equal({}, @backend.dead)
34 @backend = MogileFS::Backend.new :hosts => ['localhost:6001'], :timeout => 1
35 assert_equal 1, @backend.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')
65 def test_size_verify_error_defined
66 # "ErrorError" just looks dumb, but we used to get it
67 # since mogilefs would send us "size_verify_error" and we'd
68 # blindly append "Error" to the exception
69 assert ! MogileFS::Backend.const_defined?('SizeVerifyErrorError')
70 assert MogileFS::Backend.const_defined?('SizeVerifyError')
74 assert_equal "go! fight=team+fight%21\r\n",
75 @backend.make_request('go!', { 'fight' => 'team fight!' })
78 def test_parse_response
79 assert_equal({'foo' => 'bar', 'baz' => 'hoge'},
80 @backend.parse_response('OK 1 foo=bar&baz=hoge'))
84 @backend.parse_response('ERR you totally suck')
85 rescue MogileFS::Error => err
86 assert_equal 'MogileFS::Backend::YouError', err.class.to_s
87 assert_equal 'totally suck', err.message
89 assert_equal 'MogileFS::Backend::YouError', err.class.to_s
91 assert_equal 'you', @backend.lasterr
92 assert_equal 'totally suck', @backend.lasterrstr
94 assert_raises MogileFS::InvalidResponseError do
95 @backend.parse_response 'garbage'
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_equal "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\n")
149 assert_nothing_raised do
150 rv = @backend.do_request('test', { "all" => "ALL" })
153 assert_equal "test all=ALL\r\n", accepted.readpartial(666)
154 assert_equal({"foo"=>"bar"}, rv)
159 srv = TCPServer.new('127.0.0.1', 0)
161 @backend = MogileFS::Backend.new :hosts => [ "127.0.0.1:#{port}" ]
162 assert @backend.socket
163 assert ! @backend.socket.closed?
166 resp = @backend.socket.read(1)
168 assert_equal nil, @backend.instance_variable_get(:@socket)
169 assert_equal 1, resp.to_i
173 assert_equal({"\272z" => "\360opy", "f\000" => "\272r"},
174 @backend.url_decode("%baz=%f0opy&f%00=%bar"))
175 assert_equal({}, @backend.url_decode(''))
179 params = [["f\000", "\272r"], ["\272z", "\360opy"]]
180 assert_equal "f%00=%bar&%baz=%f0opy", @backend.url_encode(params)
183 def test_url_escape # \n for unit_diff
184 actual = (0..255).map { |c| @backend.url_escape c.chr }.join "\n"
187 expected.push(*(0..0x1f).map { |c| "%%%0.2x" % c })
189 expected.push(*(0x21..0x2b).map { |c| "%%%0.2x" % c })
190 expected.push(*%w[, - . /])
191 expected.push(*('0'..'9'))
192 expected.push(*%w[: %3b %3c %3d %3e %3f %40])
193 expected.push(*('A'..'Z'))
194 expected.push(*%w[%5b \\ %5d %5e _ %60])
195 expected.push(*('a'..'z'))
196 expected.push(*(0x7b..0xff).map { |c| "%%%0.2x" % c })
198 expected = expected.join "\n"
200 assert_equal expected, actual
203 def test_url_unescape
205 input.push(*(0..0x1f).map { |c| "%%%0.2x" % c })
207 input.push(*(0x21..0x2b).map { |c| "%%%0.2x" % c })
208 input.push(*%w[, - . /])
209 input.push(*('0'..'9'))
210 input.push(*%w[: %3b %3c %3d %3e %3f %40])
211 input.push(*('A'..'Z'))
212 input.push(*%w[%5b \\ %5d %5e _ %60])
213 input.push(*('a'..'z'))
214 input.push(*(0x7b..0xff).map { |c| "%%%0.2x" % c })
216 actual = input.map { |c| @backend.url_unescape c }.join "\n"
218 expected = (0..255).map { |c| c.chr }.join "\n"
219 expected.sub! '+', ' '
221 assert_equal expected, actual