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 properly handle trailing newline characters" do
  43     @r['foo'] = "bar\n"
  44     @r['foo'].should == "bar\n"
  45   end
  46
  47   it "should store and retrieve all possible characters at the beginning and the end of a string" do
  48     (0..255).each do |char_idx|
  49       string = "#{char_idx.chr}---#{char_idx.chr}"
  50       @r['foo'] = string
  51       @r['foo'].should == string
  52     end
  53   end
  54
  55   it "should be able to SET a key with an expiry" do
  56     @r.set('foo', 'bar', 1)
  57     @r['foo'].should == 'bar'
  58     sleep 2
  59     @r['foo'].should == nil
  60   end
  61
  62   it "should be able to SETNX(set_unless_exists)" do
  63     @r['foo'] = 'nik'
  64     @r['foo'].should == 'nik'
  65     @r.set_unless_exists 'foo', 'bar'
  66     @r['foo'].should == 'nik'
  67   end
  68   #
  69   it "should be able to INCR(increment) a key" do
  70     @r.delete('counter')
  71     @r.incr('counter').should == 1
  72     @r.incr('counter').should == 2
  73     @r.incr('counter').should == 3
  74   end
  75   #
  76   it "should be able to DECR(decrement) a key" do
  77     @r.delete('counter')
  78     @r.incr('counter').should == 1
  79     @r.incr('counter').should == 2
  80     @r.incr('counter').should == 3
  81     @r.decr('counter').should == 2
  82     @r.decr('counter', 2).should == 0
  83   end
  84   #
  85   it "should be able to RANDKEY(return a random key)" do
  86     @r.randkey.should_not be_nil
  87   end
  88   #
  89   it "should be able to RENAME a key" do
  90     @r.delete 'foo'
  91     @r.delete 'bar'
  92     @r['foo'] = 'hi'
  93     @r.rename! 'foo', 'bar'
  94     @r['bar'].should == 'hi'
  95   end
  96   #
  97   it "should be able to RENAMENX(rename unless the new key already exists) a key" do
  98     @r.delete 'foo'
  99     @r.delete 'bar'
 100     @r['foo'] = 'hi'
 101     @r['bar'] = 'ohai'
 102     lambda {@r.rename 'foo', 'bar'}.should raise_error(RedisRenameError)
 103     @r['bar'].should == 'ohai'
 104   end
 105   #
 106   it "should be able to EXPIRE a key" do
 107     @r['foo'] = 'bar'
 108     @r.expire('foo', 1)
 109     @r['foo'].should == "bar"
 110     sleep 2
 111     @r['foo'].should == nil
 112   end
 113   #
 114   it "should be able to EXISTS(check if key exists)" do
 115     @r['foo'] = 'nik'
 116     @r.key?('foo').should be_true
 117     @r.delete 'foo'
 118     @r.key?('foo').should be_false
 119   end
 120   #
 121   it "should be able to KEYS(glob for keys)" do
 122     @r.keys("f*").each do |key|
 123       @r.delete key
 124     end
 125     @r['f'] = 'nik'
 126     @r['fo'] = 'nak'
 127     @r['foo'] = 'qux'
 128     @r.keys("f*").sort.should == ['f','fo', 'foo'].sort
 129   end
 130   #
 131   it "should be able to check the TYPE of a key" do
 132     @r['foo'] = 'nik'
 133     @r.type?('foo').should == "string"
 134     @r.delete 'foo'
 135     @r.type?('foo').should == "none"
 136   end
 137   #
 138   it "should be able to push to the head of a list" do
 139     @r.push_head "list", 'hello'
 140     @r.push_head "list", 42
 141     @r.type?('list').should == "list"
 142     @r.list_length('list').should == 2
 143     @r.pop_head('list').should == '42'
 144     @r.delete('list')
 145   end
 146   #
 147   it "should be able to push to the tail of a list" do
 148     @r.push_tail "list", 'hello'
 149     @r.type?('list').should == "list"
 150     @r.list_length('list').should == 1
 151     @r.delete('list')
 152   end
 153   #
 154   it "should be able to pop the tail of a list" do
 155     @r.push_tail "list", 'hello'
 156     @r.push_tail "list", 'goodbye'
 157     @r.type?('list').should == "list"
 158     @r.list_length('list').should == 2
 159     @r.pop_tail('list').should == 'goodbye'
 160     @r.delete('list')
 161   end
 162   #
 163   it "should be able to pop the head of a list" do
 164     @r.push_tail "list", 'hello'
 165     @r.push_tail "list", 'goodbye'
 166     @r.type?('list').should == "list"
 167     @r.list_length('list').should == 2
 168     @r.pop_head('list').should == 'hello'
 169     @r.delete('list')
 170   end
 171   #
 172   it "should be able to get the length of a list" do
 173     @r.push_tail "list", 'hello'
 174     @r.push_tail "list", 'goodbye'
 175     @r.type?('list').should == "list"
 176     @r.list_length('list').should == 2
 177     @r.delete('list')
 178   end
 179   #
 180   it "should be able to get a range of values from a list" do
 181     @r.push_tail "list", 'hello'
 182     @r.push_tail "list", 'goodbye'
 183     @r.push_tail "list", '1'
 184     @r.push_tail "list", '2'
 185     @r.push_tail "list", '3'
 186     @r.type?('list').should == "list"
 187     @r.list_length('list').should == 5
 188     @r.list_range('list', 2, -1).should == ['1', '2', '3']
 189     @r.delete('list')
 190   end
 191   #
 192   it "should be able to trim a list" do
 193     @r.push_tail "list", 'hello'
 194     @r.push_tail "list", 'goodbye'
 195     @r.push_tail "list", '1'
 196     @r.push_tail "list", '2'
 197     @r.push_tail "list", '3'
 198     @r.type?('list').should == "list"
 199     @r.list_length('list').should == 5
 200     @r.list_trim 'list', 0, 1
 201     @r.list_length('list').should == 2
 202     @r.list_range('list', 0, -1).should == ['hello', 'goodbye']
 203     @r.delete('list')
 204   end
 205   #
 206   it "should be able to get a value by indexing into a list" do
 207     @r.push_tail "list", 'hello'
 208     @r.push_tail "list", 'goodbye'
 209     @r.type?('list').should == "list"
 210     @r.list_length('list').should == 2
 211     @r.list_index('list', 1).should == 'goodbye'
 212     @r.delete('list')
 213   end
 214   #
 215   it "should be able to set a value by indexing into a list" do
 216     @r.push_tail "list", 'hello'
 217     @r.push_tail "list", 'hello'
 218     @r.type?('list').should == "list"
 219     @r.list_length('list').should == 2
 220     @r.list_set('list', 1, 'goodbye').should be_true
 221     @r.list_index('list', 1).should == 'goodbye'
 222     @r.delete('list')
 223   end
 224   #
 225   it "should be able to remove values from a list LREM" do
 226     @r.push_tail "list", 'hello'
 227     @r.push_tail "list", 'goodbye'
 228     @r.type?('list').should == "list"
 229     @r.list_length('list').should == 2
 230     @r.list_rm('list', 1, 'hello').should == 1
 231     @r.list_range('list', 0, -1).should == ['goodbye']
 232     @r.delete('list')
 233   end
 234   #
 235   it "should be able add members to a set" do
 236     @r.set_add "set", 'key1'
 237     @r.set_add "set", 'key2'
 238     @r.type?('set').should == "set"
 239     @r.set_count('set').should == 2
 240     @r.set_members('set').sort.should == ['key1', 'key2'].sort
 241     @r.delete('set')
 242   end
 243   #
 244   it "should be able delete members to a set" do
 245     @r.set_add "set", 'key1'
 246     @r.set_add "set", 'key2'
 247     @r.type?('set').should == "set"
 248     @r.set_count('set').should == 2
 249     @r.set_members('set').should == Set.new(['key1', 'key2'])
 250     @r.set_delete('set', 'key1')
 251     @r.set_count('set').should == 1
 252     @r.set_members('set').should == Set.new(['key2'])
 253     @r.delete('set')
 254   end
 255   #
 256   it "should be able count the members of a set" do
 257     @r.set_add "set", 'key1'
 258     @r.set_add "set", 'key2'
 259     @r.type?('set').should == "set"
 260     @r.set_count('set').should == 2
 261     @r.delete('set')
 262   end
 263   #
 264   it "should be able test for set membership" do
 265     @r.set_add "set", 'key1'
 266     @r.set_add "set", 'key2'
 267     @r.type?('set').should == "set"
 268     @r.set_count('set').should == 2
 269     @r.set_member?('set', 'key1').should be_true
 270     @r.set_member?('set', 'key2').should be_true
 271     @r.set_member?('set', 'notthere').should be_false
 272     @r.delete('set')
 273   end
 274   #
 275   it "should be able to do set intersection" do
 276     @r.set_add "set", 'key1'
 277     @r.set_add "set", 'key2'
 278     @r.set_add "set2", 'key2'
 279     @r.set_intersect('set', 'set2').should == Set.new(['key2'])
 280     @r.delete('set')
 281   end
 282   #
 283   it "should be able to do set intersection and store the results in a key" do
 284     @r.set_add "set", 'key1'
 285     @r.set_add "set", 'key2'
 286     @r.set_add "set2", 'key2'
 287     @r.set_inter_store('newone', 'set', 'set2').should == 'OK'
 288     @r.set_members('newone').should == Set.new(['key2'])
 289     @r.delete('set')
 290   end
 291   #
 292   it "should be able to do set union" do
 293     @r.set_add "set", 'key1'
 294     @r.set_add "set", 'key2'
 295     @r.set_add "set2", 'key2'
 296     @r.set_add "set2", 'key3'
 297     @r.set_union('set', 'set2').should == Set.new(['key1','key2','key3'])
 298     @r.delete('set')
 299   end
 300   #
 301   it "should be able to do set union and store the results in a key" do
 302     @r.set_add "set", 'key1'
 303     @r.set_add "set", 'key2'
 304     @r.set_add "set2", 'key2'
 305     @r.set_add "set2", 'key3'
 306     @r.set_union_store('newone', 'set', 'set2').should == 'OK'
 307     @r.set_members('newone').should == Set.new(['key1','key2','key3'])
 308     @r.delete('set')
 309   end
 310
 311   # these don't seem to be implemented in redis head?
 312   # it "should be able to do set difference" do
 313   #   @r.set_add "set", 'key1'
 314   #   @r.set_add "set", 'key2'
 315   #   @r.set_add "set2", 'key2'
 316   #   @r.set_add "set2", 'key3'
 317   #   @r.set_diff('set', 'set2').should == Set.new(['key1','key3'])
 318   #   @r.delete('set')
 319   # end
 320   # #
 321   # it "should be able to do set difference and store the results in a key" do
 322   #   @r.set_add "set", 'key1'
 323   #   @r.set_add "set", 'key2'
 324   #   @r.set_add "set2", 'key2'
 325   #   @r.set_add "set2", 'key3'
 326   #   count = @r.set_diff_store('newone', 'set', 'set2')
 327   #   count.should == 3
 328   #   @r.set_members('newone').should == Set.new(['key1','key3'])
 329   #   @r.delete('set')
 330   # end
 331   #
 332   it "should be able move elements from one set to another" do
 333     @r.set_add 'set1', 'a'
 334     @r.set_add 'set1', 'b'
 335     @r.set_add 'set2', 'x'
 336     @r.set_move('set1', 'set2', 'a').should == true
 337     @r.set_member?('set2', 'a').should == true
 338     @r.delete('set1')
 339   end
 340   #
 341   it "should be able to do crazy SORT queries" do
 342     @r['dog_1'] = 'louie'
 343     @r.push_tail 'dogs', 1
 344     @r['dog_2'] = 'lucy'
 345     @r.push_tail 'dogs', 2
 346     @r['dog_3'] = 'max'
 347     @r.push_tail 'dogs', 3
 348     @r['dog_4'] = 'taj'
 349     @r.push_tail 'dogs', 4
 350     @r.sort('dogs', :get => 'dog_*', :limit => [0,1]).should == ['louie']
 351     @r.sort('dogs', :get => 'dog_*', :limit => [0,1], :order => 'desc alpha').should == ['taj']
 352   end
 353   #
 354   it "should provide info" do
 355     [: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|
 356     @r.info.keys.should include(x)
 357     end
 358   end
 359   #
 360   it "should be able to flush the database" do
 361     @r['key1'] = 'keyone'
 362     @r['key2'] = 'keytwo'
 363     @r.keys('*').sort.should == ['foo', 'key1', 'key2'] #foo from before
 364     @r.flush_db
 365     @r.keys('*').should == []
 366   end
 367   #
 368   it "should be able to provide the last save time" do
 369     savetime = @r.last_save
 370     Time.at(savetime).class.should == Time
 371     Time.at(savetime).should <= Time.now
 372   end
 373
 374   it "should be able to MGET keys" do
 375     @r['foo'] = 1000
 376     @r['bar'] = 2000
 377     @r.mget('foo', 'bar').should == ['1000', '2000']
 378     @r.mget('foo', 'bar', 'baz').should == ['1000', '2000', nil]
 379   end
 380
 381   it "should bgsave" do
 382      lambda {@r.bgsave}.should_not raise_error(RedisError)
 383   end
 384
 385   it "should handle multiple servers" do
 386     require 'dist_redis'
 387     @r = DistRedis.new('localhost:6379', '127.0.0.1:6379')
 388     @r.select_db(15) # use database 15 for testing so we dont accidentally step on you real data
 389
 390     100.times do |idx|
 391       @r[idx] = "foo#{idx}"
 392     end
 393
 394     100.times do |idx|
 395       @r[idx].should == "foo#{idx}"
 396     end
 397   end
 398
 399   it "should be able to pipeline writes" do
 400     @r.pipelined do |pipeline|
 401       pipeline.push_head "list", "hello"
 402       pipeline.push_head "list", 42
 403     end
 404
 405     @r.type?('list').should == "list"
 406     @r.list_length('list').should == 2
 407     @r.pop_head('list').should == '42'
 408     @r.delete('list')
 409   end
 410 end