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