/
internals_test.rb
388 lines (316 loc) · 9.22 KB
/
internals_test.rb
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
# frozen_string_literal: true
require_relative "helper"
class TestInternals < Minitest::Test
include Helper::Client
def test_logger
r.ping
assert log.string["[Redis] command=PING"]
assert log.string =~ /\[Redis\] call_time=\d+\.\d+ ms/
end
def test_logger_with_pipelining
r.pipelined do
r.set "foo", "bar"
r.get "foo"
end
assert log.string[" command=SET args=\"foo\" \"bar\""]
assert log.string[" command=GET args=\"foo\""]
end
def test_recovers_from_failed_commands
# See https://github.com/redis/redis-rb/issues#issue/28
assert_raises(Redis::CommandError) do
r.command_that_doesnt_exist
end
r.info
end
def test_raises_on_protocol_errors
redis_mock(ping: ->(*_) { "foo" }) do |redis|
assert_raises(Redis::ProtocolError) do
redis.ping
end
end
end
def test_redis_current
assert_equal "127.0.0.1", Redis.current._client.host
assert_equal 6379, Redis.current._client.port
assert_equal 0, Redis.current._client.db
Redis.current = Redis.new(OPTIONS.merge(port: 6380, db: 1))
t = Thread.new do
assert_equal "127.0.0.1", Redis.current._client.host
assert_equal 6380, Redis.current._client.port
assert_equal 1, Redis.current._client.db
end
t.join
assert_equal "127.0.0.1", Redis.current._client.host
assert_equal 6380, Redis.current._client.port
assert_equal 1, Redis.current._client.db
end
def test_redis_connected?
fresh_client = _new_client
assert !fresh_client.connected?
fresh_client.ping
assert fresh_client.connected?
fresh_client.quit
assert !fresh_client.connected?
end
def test_timeout
Redis.new(OPTIONS.merge(timeout: 0))
end
driver(:ruby) do
def test_tcp_keepalive
keepalive = { time: 20, intvl: 10, probes: 5 }
redis = Redis.new(OPTIONS.merge(tcp_keepalive: keepalive))
redis.ping
connection = redis._client.connection
actual_keepalive = connection.get_tcp_keepalive
%i[time intvl probes].each do |key|
assert_equal actual_keepalive[key], keepalive[key] if actual_keepalive.key?(key)
end
end
end
def test_time
target_version "2.5.4" do
# Test that the difference between the time that Ruby reports and the time
# that Redis reports is minimal (prevents the test from being racy).
rv = r.time
redis_usec = rv[0] * 1_000_000 + rv[1]
ruby_usec = Integer(Time.now.to_f * 1_000_000)
assert((ruby_usec - redis_usec).abs < 500_000)
end
end
def test_connection_timeout
opts = OPTIONS.merge(host: "10.255.255.254", connect_timeout: 0.1, timeout: 5.0)
start_time = Time.now
assert_raises Redis::CannotConnectError do
Redis.new(opts).ping
end
assert((Time.now - start_time) <= opts[:timeout])
end
def test_missing_socket
opts = { path: '/missing.sock' }
assert_raises Redis::CannotConnectError do
Redis.new(opts).ping
end
end
def close_on_ping(seq, options = {})
@request = 0
command = lambda do
idx = @request
@request += 1
rv = "+%d" % idx
rv = nil if seq.include?(idx)
rv
end
redis_mock({ ping: command }, { timeout: 0.1 }.merge(options)) do |redis|
yield(redis)
end
end
def test_retry_by_default
close_on_ping([0]) do |redis|
assert_equal "1", redis.ping
end
end
def test_retry_when_wrapped_in_with_reconnect_true
close_on_ping([0]) do |redis|
redis.with_reconnect(true) do
assert_equal "1", redis.ping
end
end
end
def test_dont_retry_when_wrapped_in_with_reconnect_false
close_on_ping([0]) do |redis|
assert_raises Redis::ConnectionError do
redis.with_reconnect(false) do
redis.ping
end
end
end
end
def test_dont_retry_when_wrapped_in_without_reconnect
close_on_ping([0]) do |redis|
assert_raises Redis::ConnectionError do
redis.without_reconnect do
redis.ping
end
end
end
end
def test_retry_only_once_when_read_raises_econnreset
close_on_ping([0, 1]) do |redis|
assert_raises Redis::ConnectionError do
redis.ping
end
assert !redis._client.connected?
end
end
def test_retry_with_custom_reconnect_attempts
close_on_ping([0, 1], reconnect_attempts: 2) do |redis|
assert_equal "2", redis.ping
end
end
def test_retry_with_custom_reconnect_attempts_can_still_fail
close_on_ping([0, 1, 2], reconnect_attempts: 2) do |redis|
assert_raises Redis::ConnectionError do
redis.ping
end
assert !redis._client.connected?
end
end
def test_retry_with_custom_reconnect_attempts_and_exponential_backoff
close_on_ping([0, 1, 2], reconnect_attempts: 3,
reconnect_delay_max: 0.5,
reconnect_delay: 0.01) do |redis|
Kernel.expects(:sleep).with(0.01).returns(true)
Kernel.expects(:sleep).with(0.02).returns(true)
Kernel.expects(:sleep).with(0.04).returns(true)
assert_equal "3", redis.ping
end
end
def test_don_t_retry_when_second_read_in_pipeline_raises_econnreset
close_on_ping([1]) do |redis|
assert_raises Redis::ConnectionError do
redis.pipelined do
redis.ping
redis.ping # Second #read times out
end
end
assert !redis._client.connected?
end
end
def close_on_connection(seq)
@n = 0
read_command = lambda do |session|
Array.new(session.gets[1..-3].to_i) do
bytes = session.gets[1..-3].to_i
arg = session.read(bytes)
session.read(2) # Discard \r\n
arg
end
end
handler = lambda do |session|
n = @n
@n += 1
select = read_command.call(session)
if select[0].downcase == "select"
session.write("+OK\r\n")
else
raise "Expected SELECT"
end
unless seq.include?(n)
session.write("+#{n}\r\n") while read_command.call(session)
end
end
redis_mock_with_handler(handler) do |redis|
yield(redis)
end
end
def test_retry_on_write_error_by_default
close_on_connection([0]) do |redis|
assert_equal "1", redis._client.call(["x" * 128 * 1024])
end
end
def test_retry_on_write_error_when_wrapped_in_with_reconnect_true
close_on_connection([0]) do |redis|
redis.with_reconnect(true) do
assert_equal "1", redis._client.call(["x" * 128 * 1024])
end
end
end
def test_dont_retry_on_write_error_when_wrapped_in_with_reconnect_false
close_on_connection([0]) do |redis|
assert_raises Redis::ConnectionError do
redis.with_reconnect(false) do
redis._client.call(["x" * 128 * 1024])
end
end
end
end
def test_dont_retry_on_write_error_when_wrapped_in_without_reconnect
close_on_connection([0]) do |redis|
assert_raises Redis::ConnectionError do
redis.without_reconnect do
redis._client.call(["x" * 128 * 1024])
end
end
end
end
def test_connecting_to_unix_domain_socket
Redis.new(OPTIONS.merge(path: ENV.fetch("SOCKET_PATH"))).ping
end
driver(:ruby, :hiredis) do
def test_bubble_timeout_without_retrying
serv = TCPServer.new(6380)
redis = Redis.new(port: 6380, timeout: 0.1)
assert_raises(Redis::TimeoutError) do
redis.ping
end
ensure
serv&.close
end
end
def test_client_options
redis = Redis.new(OPTIONS.merge(host: "host", port: 1234, db: 1, scheme: "foo"))
assert_equal "host", redis._client.options[:host]
assert_equal 1234, redis._client.options[:port]
assert_equal 1, redis._client.options[:db]
assert_equal "foo", redis._client.options[:scheme]
end
def test_resolves_localhost
Redis.new(OPTIONS.merge(host: 'localhost')).ping
end
class << self
def af_family_supported(af_type)
hosts = {
Socket::AF_INET => "127.0.0.1",
Socket::AF_INET6 => "::1"
}
begin
s = Socket.new(af_type, Socket::SOCK_STREAM, 0)
begin
tries = 5
begin
sa = Socket.pack_sockaddr_in(Random.rand(1024..64_099), hosts[af_type])
s.bind(sa)
rescue Errno::EADDRINUSE => e
# On JRuby (9.1.15.0), if IPv6 is globally disabled on the system,
# we get an EADDRINUSE with belows message.
return if e.message =~ /Protocol family unavailable/
tries -= 1
retry if tries > 0
raise
end
yield
rescue Errno::EADDRNOTAVAIL
ensure
s.close
end
rescue Errno::ESOCKTNOSUPPORT
end
end
end
def af_test(host)
commands = {
ping: ->(*_) { "+pong" }
}
redis_mock(commands, host: host, &:ping)
end
driver(:ruby) do
af_family_supported(Socket::AF_INET) do
def test_connect_ipv4
af_test("127.0.0.1")
end
end
end
driver(:ruby) do
af_family_supported(Socket::AF_INET6) do
def test_connect_ipv6
af_test("::1")
end
end
end
def test_can_be_duped_to_create_a_new_connection
clients = r.info["connected_clients"].to_i
r2 = r.dup
r2.ping
assert_equal clients + 1, r.info["connected_clients"].to_i
end
end