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     @r = Redis.new
  17     @r.select_db(15) # use database 15 for testing so we dont accidentally step on you real data
  18   end
  19
  20   before(:each) do
  21     @r['foo'] = 'bar'
  22   end
  23
  24   after(:each) do
  25     @r.keys('*').each {|k| @r.delete k}
  26   end
  27
  28   after(:all) do
  29     @r.quit
  30   end
  31
  32
  33   it "should be able to GET a key" do
  34     @r['foo'].should == 'bar'
  35   end
  36
  37   it "should be able to SET a key" do
  38     @r['foo'] = 'nik'
  39     @r['foo'].should == 'nik'
  40   end
  41
  42   it "should be able to SET a key with an expiry" do
  43     @r.set('foo', 'bar', 1)
  44     @r['foo'].should == 'bar'
  45     sleep 2
  46     @r['foo'].should == nil
  47   end
  48
  49   it "should be able to SETNX(set_unless_exists)" do
  50     @r['foo'] = 'nik'
  51     @r['foo'].should == 'nik'
  52     @r.set_unless_exists 'foo', 'bar'
  53     @r['foo'].should == 'nik'
  54   end
  55   #
  56   it "should be able to INCR(increment) a key" do
  57     @r.delete('counter')
  58     @r.incr('counter').should == 1
  59     @r.incr('counter').should == 2
  60     @r.incr('counter').should == 3
  61   end
  62   #
  63   it "should be able to DECR(decrement) a key" do
  64     @r.delete('counter')
  65     @r.incr('counter').should == 1
  66     @r.incr('counter').should == 2
  67     @r.incr('counter').should == 3
  68     @r.decr('counter').should == 2
  69     @r.decr('counter', 2).should == 0
  70   end
  71   #
  72   it "should be able to RANDKEY(return a random key)" do
  73     @r.randkey.should_not be_nil
  74   end
  75   #
  76   it "should be able to RENAME a key" do
  77     @r.delete 'foo'
  78     @r.delete 'bar'
  79     @r['foo'] = 'hi'
  80     @r.rename! 'foo', 'bar'
  81     @r['bar'].should == 'hi'
  82   end
  83   #
  84   it "should be able to RENAMENX(rename unless the new key already exists) a key" do
  85     @r.delete 'foo'
  86     @r.delete 'bar'
  87     @r['foo'] = 'hi'
  88     @r['bar'] = 'ohai'
  89     lambda {@r.rename 'foo', 'bar'}.should raise_error(RedisRenameError)
  90     @r['bar'].should == 'ohai'
  91   end
  92   #
  93   it "should be able to EXPIRE a key" do
  94     @r['foo'] = 'bar'
  95     @r.expire('foo', 1)
  96     @r['foo'].should == "bar"
  97     sleep 2
  98     @r['foo'].should == nil
  99   end
 100   #
 101   it "should be able to EXISTS(check if key exists)" do
 102     @r['foo'] = 'nik'
 103     @r.key?('foo').should be_true
 104     @r.delete 'foo'
 105     @r.key?('foo').should be_false
 106   end
 107   #
 108   it "should be able to KEYS(glob for keys)" do
 109     @r.keys("f*").each do |key|
 110       @r.delete key
 111     end
 112     @r['f'] = 'nik'
 113     @r['fo'] = 'nak'
 114     @r['foo'] = 'qux'
 115     @r.keys("f*").sort.should == ['f','fo', 'foo'].sort
 116   end
 117   #
 118   it "should be able to check the TYPE of a key" do
 119     @r['foo'] = 'nik'
 120     @r.type?('foo').should == "string"
 121     @r.delete 'foo'
 122     @r.type?('foo').should == "none"
 123   end
 124   #
 125   it "should be able to push to the head of a list" do
 126     @r.push_head "list", 'hello'
 127     @r.push_head "list", 42
 128     @r.type?('list').should == "list"
 129     @r.list_length('list').should == 2
 130     @r.pop_head('list').should == '42'
 131     @r.delete('list')
 132   end
 133   #
 134   it "should be able to push to the tail of a list" do
 135     @r.push_tail "list", 'hello'
 136     @r.type?('list').should == "list"
 137     @r.list_length('list').should == 1
 138     @r.delete('list')
 139   end
 140   #
 141   it "should be able to pop the tail of a list" do
 142     @r.push_tail "list", 'hello'
 143     @r.push_tail "list", 'goodbye'
 144     @r.type?('list').should == "list"
 145     @r.list_length('list').should == 2
 146     @r.pop_tail('list').should == 'goodbye'
 147     @r.delete('list')
 148   end
 149   #
 150   it "should be able to pop the head of a list" do
 151     @r.push_tail "list", 'hello'
 152     @r.push_tail "list", 'goodbye'
 153     @r.type?('list').should == "list"
 154     @r.list_length('list').should == 2
 155     @r.pop_head('list').should == 'hello'
 156     @r.delete('list')
 157   end
 158   #
 159   it "should be able to get the length of a list" do
 160     @r.push_tail "list", 'hello'
 161     @r.push_tail "list", 'goodbye'
 162     @r.type?('list').should == "list"
 163     @r.list_length('list').should == 2
 164     @r.delete('list')
 165   end
 166   #
 167   it "should be able to get a range of values from a list" do
 168     @r.push_tail "list", 'hello'
 169     @r.push_tail "list", 'goodbye'
 170     @r.push_tail "list", '1'
 171     @r.push_tail "list", '2'
 172     @r.push_tail "list", '3'
 173     @r.type?('list').should == "list"
 174     @r.list_length('list').should == 5
 175     @r.list_range('list', 2, -1).should == ['1', '2', '3']
 176     @r.delete('list')
 177   end
 178   #
 179   it "should be able to trim a list" do
 180     @r.push_tail "list", 'hello'
 181     @r.push_tail "list", 'goodbye'
 182     @r.push_tail "list", '1'
 183     @r.push_tail "list", '2'
 184     @r.push_tail "list", '3'
 185     @r.type?('list').should == "list"
 186     @r.list_length('list').should == 5
 187     @r.list_trim 'list', 0, 1
 188     @r.list_length('list').should == 2
 189     @r.list_range('list', 0, -1).should == ['hello', 'goodbye']
 190     @r.delete('list')
 191   end
 192   #
 193   it "should be able to get a value by indexing into a list" do
 194     @r.push_tail "list", 'hello'
 195     @r.push_tail "list", 'goodbye'
 196     @r.type?('list').should == "list"
 197     @r.list_length('list').should == 2
 198     @r.list_index('list', 1).should == 'goodbye'
 199     @r.delete('list')
 200   end
 201   #
 202   it "should be able to set a value by indexing into a list" do
 203     @r.push_tail "list", 'hello'
 204     @r.push_tail "list", 'hello'
 205     @r.type?('list').should == "list"
 206     @r.list_length('list').should == 2
 207     @r.list_set('list', 1, 'goodbye').should be_true
 208     @r.list_index('list', 1).should == 'goodbye'
 209     @r.delete('list')
 210   end
 211   #
 212   it "should be able to remove values from a list LREM" do
 213     @r.push_tail "list", 'hello'
 214     @r.push_tail "list", 'goodbye'
 215     @r.type?('list').should == "list"
 216     @r.list_length('list').should == 2
 217     @r.list_rm('list', 1, 'hello').should == 1
 218     @r.list_range('list', 0, -1).should == ['goodbye']
 219     @r.delete('list')
 220   end
 221   #
 222   it "should be able add members to a set" do
 223     @r.set_add "set", 'key1'
 224     @r.set_add "set", 'key2'
 225     @r.type?('set').should == "set"
 226     @r.set_count('set').should == 2
 227     @r.set_members('set').sort.should == ['key1', 'key2'].sort
 228     @r.delete('set')
 229   end
 230   #
 231   it "should be able delete members to a set" do
 232     @r.set_add "set", 'key1'
 233     @r.set_add "set", 'key2'
 234     @r.type?('set').should == "set"
 235     @r.set_count('set').should == 2
 236     @r.set_members('set').should == Set.new(['key1', 'key2'])
 237     @r.set_delete('set', 'key1')
 238     @r.set_count('set').should == 1
 239     @r.set_members('set').should == Set.new(['key2'])
 240     @r.delete('set')
 241   end
 242   #
 243   it "should be able count the members of a set" do
 244     @r.set_add "set", 'key1'
 245     @r.set_add "set", 'key2'
 246     @r.type?('set').should == "set"
 247     @r.set_count('set').should == 2
 248     @r.delete('set')
 249   end
 250   #
 251   it "should be able test for set membership" do
 252     @r.set_add "set", 'key1'
 253     @r.set_add "set", 'key2'
 254     @r.type?('set').should == "set"
 255     @r.set_count('set').should == 2
 256     @r.set_member?('set', 'key1').should be_true
 257     @r.set_member?('set', 'key2').should be_true
 258     @r.set_member?('set', 'notthere').should be_false
 259     @r.delete('set')
 260   end
 261   #
 262   it "should be able to do set intersection" do
 263     @r.set_add "set", 'key1'
 264     @r.set_add "set", 'key2'
 265     @r.set_add "set2", 'key2'
 266     @r.set_intersect('set', 'set2').should == Set.new(['key2'])
 267     @r.delete('set')
 268   end
 269   #
 270   it "should be able to do set intersection and store the results in a key" do
 271     @r.set_add "set", 'key1'
 272     @r.set_add "set", 'key2'
 273     @r.set_add "set2", 'key2'
 274     @r.set_inter_store('newone', 'set', 'set2')
 275     @r.set_members('newone').should == Set.new(['key2'])
 276     @r.delete('set')
 277   end
 278   #
 279   it "should be able to do crazy SORT queries" do
 280     @r['dog_1'] = 'louie'
 281     @r.push_tail 'dogs', 1
 282     @r['dog_2'] = 'lucy'
 283     @r.push_tail 'dogs', 2
 284     @r['dog_3'] = 'max'
 285     @r.push_tail 'dogs', 3
 286     @r['dog_4'] = 'taj'
 287     @r.push_tail 'dogs', 4
 288     @r.sort('dogs', :get => 'dog_*', :limit => [0,1]).should == ['louie']
 289     @r.sort('dogs', :get => 'dog_*', :limit => [0,1], :order => 'desc alpha').should == ['taj']
 290   end
 291   #
 292   it "should provide info" do
 293     [: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|
 294     @r.info.keys.should include(x)
 295     end
 296   end
 297   #
 298   it "should be able to flush the database" do
 299     @r['key1'] = 'keyone'
 300     @r['key2'] = 'keytwo'
 301     @r.keys('*').sort.should == ['foo', 'key1', 'key2'] #foo from before
 302     @r.flush_db
 303     @r.keys('*').should == []
 304   end
 305   #
 306   it "should be able to provide the last save time" do
 307     savetime = @r.last_save
 308     Time.at(savetime).class.should == Time
 309     Time.at(savetime).should <= Time.now
 310   end
 311
 312   it "should be able to MGET keys" do
 313     @r['foo'] = 1000
 314     @r['bar'] = 2000
 315     @r.mget('foo', 'bar').should == ['1000', '2000']
 316     @r.mget('foo', 'bar', 'baz').should == ['1000', '2000', nil]
 317   end
 318
 319   it "should bgsave" do
 320      lambda {@r.bgsave}.should_not raise_error(RedisError)
 321   end
 322
 323   it "should handle multiple servers" do
 324     require 'dist_redis'
 325     @r = DistRedis.new('localhost:6379', '127.0.0.1:6379')
 326     @r.select_db(15) # use database 15 for testing so we dont accidentally step on you real data
 327
 328     100.times do |idx|
 329       @r[idx] = "foo#{idx}"
 330     end
 331
 332     100.times do |idx|
 333       @r[idx].should == "foo#{idx}"
 334     end
 335   end
 336
 337 end