client-libraries/ruby/spec/redis_spec.rb

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