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')
62 assert_nothing_raised do
63 MogileFS::Backend::OMFGWTFBBQError
65 assert_equal MogileFS::Error, MogileFS::Backend::OMFGWTFBBQError.superclass
66 assert_raises(NameError) do
67 MogileFS::Backend::FailFailFail
71 def test_size_verify_error_defined
72 # "ErrorError" just looks dumb, but we used to get it
73 # since mogilefs would send us "size_verify_error" and we'd
74 # blindly append "Error" to the exception
75 assert ! MogileFS::Backend.const_defined?('SizeVerifyErrorError')
76 assert MogileFS::Backend.const_defined?('SizeVerifyError')
80 assert_equal "go! fight=team+fight%21\r\n",
81 @backend.make_request('go!', { 'fight' => 'team fight!' })
84 def test_parse_response
85 assert_equal({'foo' => 'bar', 'baz' => 'hoge'},
86 @backend.parse_response("OK 1 foo=bar&baz=hoge\r\n"))
90 @backend.parse_response("ERR you totally suck\r\n")
91 rescue MogileFS::Error => err
92 assert_equal 'MogileFS::Backend::YouError', err.class.to_s
93 assert_equal 'totally suck', err.message
95 assert_equal 'MogileFS::Backend::YouError', err.class.to_s
97 assert_equal 'you', @backend.lasterr
98 assert_equal 'totally suck', @backend.lasterrstr
100 assert_raises MogileFS::InvalidResponseError do
101 @backend.parse_response 'garbage'
103 assert_raises MogileFS::InvalidResponseError do
104 @backend.parse_response("OK 1 foo=bar&baz=hoge")
108 def test_parse_response_newline
110 @backend.parse_response("ERR you totally suck\r\n")
111 rescue MogileFS::Error => err
112 assert_equal 'MogileFS::Backend::YouError', err.class.to_s
113 assert_equal 'totally suck', err.message
116 assert_equal 'you', @backend.lasterr
117 assert_equal 'totally suck', @backend.lasterrstr
120 def test_readable_eh_not_readable
121 srv = TCPServer.new("127.0.0.1", 0)
123 @backend = MogileFS::Backend.new(:hosts => [ "127.0.0.1:#{port}" ],
126 @backend.do_request 'foo', {}
127 rescue MogileFS::UnreadableSocketError => e
128 assert_match(/127\.0\.0\.1:#{port} never became readable/, e.message)
129 rescue Exception => err
130 flunk "MogileFS::UnreadableSocketError not raised #{err} #{err.backtrace}"
132 flunk "MogileFS::UnreadableSocketError not raised"
137 assert_equal({}, @backend.dead)
138 assert_raises(MogileFS::UnreachableBackendError) do
139 @backend.do_request('test', {})
141 assert_equal(['localhost:1'], @backend.dead.keys)
144 def test_socket_robust_on_dead_server
146 t1 = TCPServer.new("127.0.0.1", 0)
147 t2 = TCPServer.new("127.0.0.1", 0)
148 hosts = ["127.0.0.1:#{t1.addr[1]}", "127.0.0.1:#{t2.addr[1]}"]
149 @backend = MogileFS::Backend.new(:hosts => hosts.dup)
150 assert_equal({}, @backend.dead)
154 client.write("OK 1 foo=bar\r\n")
158 assert_nothing_raised do
159 rv = @backend.do_request('test', { "all" => "ALL" })
162 assert_equal "test all=ALL\r\n", accepted.readpartial(666)
163 assert_equal({"foo"=>"bar"}, rv)
168 srv = TCPServer.new('127.0.0.1', 0)
170 @backend = MogileFS::Backend.new :hosts => [ "127.0.0.1:#{port}" ]
171 assert @backend.socket
172 assert ! @backend.socket.closed?
175 resp = @backend.socket.read(1)
177 assert_equal nil, @backend.instance_variable_get(:@socket)
178 assert_equal 1, resp.to_i
182 assert_equal({"\272z" => "\360opy", "f\000" => "\272r"},
183 @backend.url_decode("%baz=%f0opy&f%00=%bar"))
184 assert_equal({}, @backend.url_decode(''))
188 params = [["f\000", "\272r"], ["\272z", "\360opy"]]
189 assert_equal "f%00=%bar&%baz=%f0opy", @backend.url_encode(params)
192 def test_url_escape # \n for unit_diff
193 actual = (0..255).map { |c| @backend.url_escape c.chr }.join "\n"
196 expected.push(*(0..0x1f).map { |c| "%%%0.2x" % c })
198 expected.push(*(0x21..0x2b).map { |c| "%%%0.2x" % c })
199 expected.push(*%w[, - . /])
200 expected.push(*('0'..'9'))
201 expected.push(*%w[: %3b %3c %3d %3e %3f %40])
202 expected.push(*('A'..'Z'))
203 expected.push(*%w[%5b \\ %5d %5e _ %60])
204 expected.push(*('a'..'z'))
205 expected.push(*(0x7b..0xff).map { |c| "%%%0.2x" % c })
207 expected = expected.join "\n"
209 assert_equal expected, actual
212 def test_url_unescape
214 input.push(*(0..0x1f).map { |c| "%%%0.2x" % c })
216 input.push(*(0x21..0x2b).map { |c| "%%%0.2x" % c })
217 input.push(*%w[, - . /])
218 input.push(*('0'..'9'))
219 input.push(*%w[: %3b %3c %3d %3e %3f %40])
220 input.push(*('A'..'Z'))
221 input.push(*%w[%5b \\ %5d %5e _ %60])
222 input.push(*('a'..'z'))
223 input.push(*(0x7b..0xff).map { |c| "%%%0.2x" % c })
225 actual = input.map { |c| @backend.url_unescape c }.join "\n"
227 expected = (0..255).map { |c| c.chr }.join "\n"
229 assert_equal expected, actual