client-libraries/ruby/spec/redis_spec.rb

   1 require File.dirname(__FILE__) + '/spec_helper'
   2 require 'logger'
   3
   4 class Foo
   5   attr_accessor :bar
   6   def initialize(bar)
   7     @bar = bar
   8   end
   9
  10   def ==(other)
  11     @bar == other.bar
  12   end
  13 end
  14
  15 describe "redis" do
  16   before(:all) do
  17     # use database 15 for testing so we dont accidentally step on you real data
  18     @r = Redis.new :db => 15
  19   end
  20
  21   before(:each) do
  22     @r['foo'] = 'bar'
  23   end
  24
  25   after(:each) do
  26     @r.keys('*').each {|k| @r.del k}
  27   end
  28
  29   after(:all) do
  30     @r.quit
  31   end
  32
  33   it "should be able connect without a timeout" do
  34     lambda { Redis.new :timeout => 0 }.should_not raise_error
  35   end
  36
  37   it "should be able to provide a logger" do
  38     log = StringIO.new
  39     r = Redis.new :db => 15, :logger => Logger.new(log)
  40     r.ping
  41     log.string.should include("ping")
  42   end
  43
  44   it "should be able to PING" do
  45     @r.ping.should == 'PONG'
  46   end
  47
  48   it "should be able to GET a key" do
  49     @r['foo'].should == 'bar'
  50   end
  51
  52   it "should be able to SET a key" do
  53     @r['foo'] = 'nik'
  54     @r['foo'].should == 'nik'
  55   end
  56
  57   it "should properly handle trailing newline characters" do
  58     @r['foo'] = "bar\n"
  59     @r['foo'].should == "bar\n"
  60   end
  61
  62   it "should store and retrieve all possible characters at the beginning and the end of a string" do
  63     (0..255).each do |char_idx|
  64       string = "#{char_idx.chr}---#{char_idx.chr}"
  65       @r['foo'] = string
  66       @r['foo'].should == string
  67     end
  68   end
  69
  70   it "should be able to SET a key with an expiry" do
  71     @r.set('foo', 'bar', 1)
  72     @r['foo'].should == 'bar'
  73     sleep 2
  74     @r['foo'].should == nil
  75   end
  76
  77   it "should be able to return a TTL for a key" do
  78     @r.set('foo', 'bar', 1)
  79     @r.ttl('foo').should == 1
  80   end
  81
  82   it "should be able to SETNX" do
  83     @r['foo'] = 'nik'
  84     @r['foo'].should == 'nik'
  85     @r.setnx 'foo', 'bar'
  86     @r['foo'].should == 'nik'
  87   end
  88   #
  89   it "should be able to GETSET" do
  90    @r.getset('foo', 'baz').should == 'bar'
  91    @r['foo'].should == 'baz'
  92   end
  93   #
  94   it "should be able to INCR a key" do
  95     @r.del('counter')
  96     @r.incr('counter').should == 1
  97     @r.incr('counter').should == 2
  98     @r.incr('counter').should == 3
  99   end
 100   #
 101   it "should be able to INCRBY a key" do
 102     @r.del('counter')
 103     @r.incrby('counter', 1).should == 1
 104     @r.incrby('counter', 2).should == 3
 105     @r.incrby('counter', 3).should == 6
 106   end
 107   #
 108   it "should be able to DECR a key" do
 109     @r.del('counter')
 110     @r.incr('counter').should == 1
 111     @r.incr('counter').should == 2
 112     @r.incr('counter').should == 3
 113     @r.decr('counter').should == 2
 114     @r.decr('counter', 2).should == 0
 115   end
 116   #
 117   it "should be able to RANDKEY" do
 118     @r.randkey.should_not be_nil
 119   end
 120   #
 121   it "should be able to RENAME a key" do
 122     @r.del 'foo'
 123     @r.del'bar'
 124     @r['foo'] = 'hi'
 125     @r.rename 'foo', 'bar'
 126     @r['bar'].should == 'hi'
 127   end
 128   #
 129   it "should be able to RENAMENX a key" do
 130     @r.del 'foo'
 131     @r.del 'bar'
 132     @r['foo'] = 'hi'
 133     @r['bar'] = 'ohai'
 134     @r.renamenx 'foo', 'bar'
 135     @r['bar'].should == 'ohai'
 136   end
 137   #
 138   it "should be able to get DBSIZE of the database" do
 139     @r.delete 'foo'
 140     dbsize_without_foo = @r.dbsize
 141     @r['foo'] = 0
 142     dbsize_with_foo = @r.dbsize
 143
 144     dbsize_with_foo.should == dbsize_without_foo + 1
 145   end
 146   #
 147   it "should be able to EXPIRE a key" do
 148     @r['foo'] = 'bar'
 149     @r.expire 'foo', 1
 150     @r['foo'].should == "bar"
 151     sleep 2
 152     @r['foo'].should == nil
 153   end
 154   #
 155   it "should be able to EXISTS" do
 156     @r['foo'] = 'nik'
 157     @r.exists('foo').should be_true
 158     @r.del 'foo'
 159     @r.exists('foo').should be_false
 160   end
 161   #
 162   it "should be able to KEYS" do
 163     @r.keys("f*").each { |key| @r.del key }
 164     @r['f'] = 'nik'
 165     @r['fo'] = 'nak'
 166     @r['foo'] = 'qux'
 167     @r.keys("f*").sort.should == ['f','fo', 'foo'].sort
 168   end
 169   #
 170   it "should be able to return a random key (RANDOMKEY)" do
 171     3.times { @r.exists(@r.randomkey).should be_true }
 172   end
 173   #
 174   it "should be able to check the TYPE of a key" do
 175     @r['foo'] = 'nik'
 176     @r.type('foo').should == "string"
 177     @r.del 'foo'
 178     @r.type('foo').should == "none"
 179   end
 180   #
 181   it "should be able to push to the head of a list (LPUSH)" do
 182     @r.lpush "list", 'hello'
 183     @r.lpush "list", 42
 184     @r.type('list').should == "list"
 185     @r.llen('list').should == 2
 186     @r.lpop('list').should == '42'
 187   end
 188   #
 189   it "should be able to push to the tail of a list (RPUSH)" do
 190     @r.rpush "list", 'hello'
 191     @r.type('list').should == "list"
 192     @r.llen('list').should == 1
 193   end
 194   #
 195   it "should be able to pop the tail of a list (RPOP)" do
 196     @r.rpush "list", 'hello'
 197     @r.rpush"list", 'goodbye'
 198     @r.type('list').should == "list"
 199     @r.llen('list').should == 2
 200     @r.rpop('list').should == 'goodbye'
 201   end
 202   #
 203   it "should be able to pop the head of a list (LPOP)" do
 204     @r.rpush "list", 'hello'
 205     @r.rpush "list", 'goodbye'
 206     @r.type('list').should == "list"
 207     @r.llen('list').should == 2
 208     @r.lpop('list').should == 'hello'
 209   end
 210   #
 211   it "should be able to get the length of a list (LLEN)" do
 212     @r.rpush "list", 'hello'
 213     @r.rpush "list", 'goodbye'
 214     @r.type('list').should == "list"
 215     @r.llen('list').should == 2
 216   end
 217   #
 218   it "should be able to get a range of values from a list (LRANGE)" do
 219     @r.rpush "list", 'hello'
 220     @r.rpush "list", 'goodbye'
 221     @r.rpush "list", '1'
 222     @r.rpush "list", '2'
 223     @r.rpush "list", '3'
 224     @r.type('list').should == "list"
 225     @r.llen('list').should == 5
 226     @r.lrange('list', 2, -1).should == ['1', '2', '3']
 227   end
 228   #
 229   it "should be able to trim a list (LTRIM)" do
 230     @r.rpush "list", 'hello'
 231     @r.rpush "list", 'goodbye'
 232     @r.rpush "list", '1'
 233     @r.rpush "list", '2'
 234     @r.rpush "list", '3'
 235     @r.type('list').should == "list"
 236     @r.llen('list').should == 5
 237     @r.ltrim 'list', 0, 1
 238     @r.llen('list').should == 2
 239     @r.lrange('list', 0, -1).should == ['hello', 'goodbye']
 240   end
 241   #
 242   it "should be able to get a value by indexing into a list (LINDEX)" do
 243     @r.rpush "list", 'hello'
 244     @r.rpush "list", 'goodbye'
 245     @r.type('list').should == "list"
 246     @r.llen('list').should == 2
 247     @r.lindex('list', 1).should == 'goodbye'
 248   end
 249   #
 250   it "should be able to set a value by indexing into a list (LSET)" do
 251     @r.rpush "list", 'hello'
 252     @r.rpush "list", 'hello'
 253     @r.type('list').should == "list"
 254     @r.llen('list').should == 2
 255     @r.lset('list', 1, 'goodbye').should == 'OK'
 256     @r.lindex('list', 1).should == 'goodbye'
 257   end
 258   #
 259   it "should be able to remove values from a list (LREM)" do
 260     @r.rpush "list", 'hello'
 261     @r.rpush "list", 'goodbye'
 262     @r.type('list').should == "list"
 263     @r.llen('list').should == 2
 264     @r.lrem('list', 1, 'hello').should == 1
 265     @r.lrange('list', 0, -1).should == ['goodbye']
 266   end
 267   #
 268   it "should be able add members to a set (SADD)" do
 269     @r.sadd "set", 'key1'
 270     @r.sadd "set", 'key2'
 271     @r.type('set').should == "set"
 272     @r.scard('set').should == 2
 273     @r.smembers('set').sort.should == ['key1', 'key2'].sort
 274   end
 275   #
 276   it "should be able delete members to a set (SREM)" do
 277     @r.sadd "set", 'key1'
 278     @r.sadd "set", 'key2'
 279     @r.type('set').should == "set"
 280     @r.scard('set').should == 2
 281     @r.smembers('set').sort.should == ['key1', 'key2'].sort
 282     @r.srem('set', 'key1')
 283     @r.scard('set').should == 1
 284     @r.smembers('set').should == ['key2']
 285   end
 286   #
 287   it "should be able count the members of a set (SCARD)" do
 288     @r.sadd "set", 'key1'
 289     @r.sadd "set", 'key2'
 290     @r.type('set').should == "set"
 291     @r.scard('set').should == 2
 292   end
 293   #
 294   it "should be able test for set membership (SISMEMBER)" do
 295     @r.sadd "set", 'key1'
 296     @r.sadd "set", 'key2'
 297     @r.type('set').should == "set"
 298     @r.scard('set').should == 2
 299     @r.sismember('set', 'key1').should be_true
 300     @r.sismember('set', 'key2').should be_true
 301     @r.sismember('set', 'notthere').should be_false
 302   end
 303   #
 304   it "should be able to do set intersection (SINTER)" do
 305     @r.sadd "set", 'key1'
 306     @r.sadd "set", 'key2'
 307     @r.sadd "set2", 'key2'
 308     @r.sinter('set', 'set2').should == ['key2']
 309   end
 310   #
 311   it "should be able to do set intersection and store the results in a key (SINTERSTORE)" do
 312     @r.sadd "set", 'key1'
 313     @r.sadd "set", 'key2'
 314     @r.sadd "set2", 'key2'
 315     @r.sinterstore('newone', 'set', 'set2').should == 1
 316     @r.smembers('newone').should == ['key2']
 317   end
 318   #
 319   it "should be able to do set union (SUNION)" do
 320     @r.sadd "set", 'key1'
 321     @r.sadd "set", 'key2'
 322     @r.sadd "set2", 'key2'
 323     @r.sadd "set2", 'key3'
 324     @r.sunion('set', 'set2').sort.should == ['key1','key2','key3'].sort
 325   end
 326   #
 327   it "should be able to do set union and store the results in a key (SUNIONSTORE)" do
 328     @r.sadd "set", 'key1'
 329     @r.sadd "set", 'key2'
 330     @r.sadd "set2", 'key2'
 331     @r.sadd "set2", 'key3'
 332     @r.sunionstore('newone', 'set', 'set2').should == 3
 333     @r.smembers('newone').sort.should == ['key1','key2','key3'].sort
 334   end
 335   #
 336   it "should be able to do set difference (SDIFF)" do
 337      @r.sadd "set", 'a'
 338      @r.sadd "set", 'b'
 339      @r.sadd "set2", 'b'
 340      @r.sadd "set2", 'c'
 341      @r.sdiff('set', 'set2').should == ['a']
 342    end
 343   #
 344   it "should be able to do set difference and store the results in a key (SDIFFSTORE)" do
 345      @r.sadd "set", 'a'
 346      @r.sadd "set", 'b'
 347      @r.sadd "set2", 'b'
 348      @r.sadd "set2", 'c'
 349      @r.sdiffstore('newone', 'set', 'set2')
 350      @r.smembers('newone').should == ['a']
 351    end
 352   #
 353   it "should be able move elements from one set to another (SMOVE)" do
 354     @r.sadd 'set1', 'a'
 355     @r.sadd 'set1', 'b'
 356     @r.sadd 'set2', 'x'
 357     @r.smove('set1', 'set2', 'a').should be_true
 358     @r.sismember('set2', 'a').should be_true
 359     @r.delete('set1')
 360   end
 361   #
 362   it "should be able to do crazy SORT queries" do
 363     # The 'Dogs' is capitialized on purpose
 364     @r['dog_1'] = 'louie'
 365     @r.rpush 'Dogs', 1
 366     @r['dog_2'] = 'lucy'
 367     @r.rpush 'Dogs', 2
 368     @r['dog_3'] = 'max'
 369     @r.rpush 'Dogs', 3
 370     @r['dog_4'] = 'taj'
 371     @r.rpush 'Dogs', 4
 372     @r.sort('Dogs', :get => 'dog_*', :limit => [0,1]).should == ['louie']
 373     @r.sort('Dogs', :get => 'dog_*', :limit => [0,1], :order => 'desc alpha').should == ['taj']
 374   end
 375
 376   it "should be able to handle array of :get using SORT" do
 377     @r['dog:1:name'] = 'louie'
 378     @r['dog:1:breed'] = 'mutt'
 379     @r.rpush 'dogs', 1
 380     @r['dog:2:name'] = 'lucy'
 381     @r['dog:2:breed'] = 'poodle'
 382     @r.rpush 'dogs', 2
 383     @r['dog:3:name'] = 'max'
 384     @r['dog:3:breed'] = 'hound'
 385     @r.rpush 'dogs', 3
 386     @r['dog:4:name'] = 'taj'
 387     @r['dog:4:breed'] = 'terrier'
 388     @r.rpush 'dogs', 4
 389     @r.sort('dogs', :get => ['dog:*:name', 'dog:*:breed'], :limit => [0,1]).should == ['louie', 'mutt']
 390     @r.sort('dogs', :get => ['dog:*:name', 'dog:*:breed'], :limit => [0,1], :order => 'desc alpha').should == ['taj', 'terrier']
 391   end
 392   #
 393   it "should provide info (INFO)" do
 394     [:last_save_time, :redis_version, :total_connections_received, :connected_clients, :total_commands_processed, :connected_slaves, :uptime_in_seconds, :used_memory, :uptime_in_days, :changes_since_last_save].each do |x|
 395     @r.info.keys.should include(x)
 396     end
 397   end
 398   #
 399   it "should be able to flush the database (FLUSHDB)" do
 400     @r['key1'] = 'keyone'
 401     @r['key2'] = 'keytwo'
 402     @r.keys('*').sort.should == ['foo', 'key1', 'key2'].sort #foo from before
 403     @r.flushdb
 404     @r.keys('*').should == []
 405   end
 406   #
 407   it "should raise exception when manually try to change the database" do
 408     lambda { @r.select(0) }.should raise_error
 409   end
 410   #
 411   it "should be able to provide the last save time (LASTSAVE)" do
 412     savetime = @r.lastsave
 413     Time.at(savetime).class.should == Time
 414     Time.at(savetime).should <= Time.now
 415   end
 416
 417   it "should be able to MGET keys" do
 418     @r['foo'] = 1000
 419     @r['bar'] = 2000
 420     @r.mget('foo', 'bar').should == ['1000', '2000']
 421     @r.mget('foo', 'bar', 'baz').should == ['1000', '2000', nil]
 422   end
 423
 424   it "should be able to mapped MGET keys" do
 425     @r['foo'] = 1000
 426     @r['bar'] = 2000
 427     @r.mapped_mget('foo', 'bar').should == { 'foo' => '1000', 'bar' => '2000'}
 428     @r.mapped_mget('foo', 'baz', 'bar').should == { 'foo' => '1000', 'bar' => '2000'}
 429   end
 430
 431   it "should bgsave" do
 432     @r.bgsave.should == 'OK'
 433   end
 434
 435   it "should be able to ECHO" do
 436     @r.echo("message in a bottle\n").should == "message in a bottle\n"
 437   end
 438
 439   it "should raise error when invoke MONITOR" do
 440     lambda { @r.monitor }.should raise_error
 441   end
 442
 443   it "should raise error when invoke SYNC" do
 444     lambda { @r.sync }.should raise_error
 445   end
 446
 447   it "should handle multiple servers" do
 448     require 'dist_redis'
 449     @r = DistRedis.new(:hosts=> ['localhost:6379', '127.0.0.1:6379'], :db => 15)
 450
 451     100.times do |idx|
 452       @r[idx] = "foo#{idx}"
 453     end
 454
 455     100.times do |idx|
 456       @r[idx].should == "foo#{idx}"
 457     end
 458   end
 459
 460   it "should be able to pipeline writes" do
 461     @r.pipelined do |pipeline|
 462       pipeline.lpush 'list', "hello"
 463       pipeline.lpush 'list', 42
 464     end
 465
 466     @r.type('list').should == "list"
 467     @r.llen('list').should == 2
 468     @r.lpop('list').should == '42'
 469   end
 470
 471   it "should AUTH when connecting with a password" do
 472     r = Redis.new(:password => 'secret')
 473     r.stub!(:connect_to)
 474     r.should_receive(:call_command).with(['auth', 'secret'])
 475     r.connect_to_server
 476   end
 477
 478 end