spec/strings_spec.rb in fakeredis-0.4.3 vs spec/strings_spec.rb in fakeredis-0.5.0

@@ -1,5 +1,7 @@
+# encoding: UTF-8
+
 require 'spec_helper'
 
 module FakeRedis
   describe "StringsMethods" do
 
@@ -47,10 +49,34 @@
     it "should allow direct bit manipulation even if the string isn't set" do
       @client.setbit("key1", 10, 1)
       @client.getbit("key1", 10).should be == 1
     end
 
+    context 'when a bit is previously set to 0' do
+      before { @client.setbit("key1", 10, 0) }
+
+      it 'setting it to 1 returns 0' do
+        expect(@client.setbit("key1", 10, 1)).to eql 0
+      end
+
+      it 'setting it to 0 returns 0' do
+        expect(@client.setbit("key1", 10, 0)).to eql 0
+      end
+    end
+
+    context 'when a bit is previously set to 1' do
+      before { @client.setbit("key1", 10, 1) }
+
+      it 'setting it to 0 returns 1' do
+        expect(@client.setbit("key1", 10, 0)).to eql 1
+      end
+
+      it 'setting it to 1 returns 1' do
+        expect(@client.setbit("key1", 10, 1)).to eql 1
+      end
+    end
+
     it "should get a substring of the string stored at a key" do
       @client.set("key1", "This a message")
 
       @client.getrange("key1", 0, 3).should be == "This"
       @client.substr("key1", 0, 3).should be == "This"
@@ -75,11 +101,11 @@
       @client.get("counter").should be == "2"
     end
 
     it "should not change the expire value of the key during incr" do
       @client.set("counter", "1")
-      @client.expire("counter", 600).should be_true
+      @client.expire("counter", 600).should be true
       @client.ttl("counter").should be == 600
       @client.incr("counter").should be == 2
       @client.ttl("counter").should be == 600
     end
 
@@ -90,11 +116,11 @@
       @client.get("counter").should be == "0"
     end
 
     it "should not change the expire value of the key during decr" do
       @client.set("counter", "2")
-      @client.expire("counter", 600).should be_true
+      @client.expire("counter", 600).should be true
       @client.ttl("counter").should be == 600
       @client.decr("counter").should be == 1
       @client.ttl("counter").should be == 600
     end
 
@@ -105,11 +131,11 @@
       @client.get("counter").should be == "17"
     end
 
     it "should not change the expire value of the key during incrby" do
       @client.set("counter", "1")
-      @client.expire("counter", 600).should be_true
+      @client.expire("counter", 600).should be true
       @client.ttl("counter").should be == 600
       @client.incrby("counter", "5").should be == 6
       @client.ttl("counter").should be == 600
     end
 
@@ -120,11 +146,11 @@
       @client.get("counter").should be == "3"
     end
 
     it "should not change the expire value of the key during decrby" do
       @client.set("counter", "8")
-      @client.expire("counter", 600).should be_true
+      @client.expire("counter", 600).should be true
       @client.ttl("counter").should be == 600
       @client.decrby("counter", "3").should be == 5
       @client.ttl("counter").should be == 600
     end
 
@@ -228,9 +254,31 @@
 
     it "should get the length of the value stored in a key" do
       @client.set("key1", "abc")
 
       @client.strlen("key1").should be == 3
+    end
+
+    it "should return 0 bits when there's no key" do
+      @client.bitcount("key1").should be == 0
+    end
+
+    it "should count the number of bits of a string" do
+      @client.set("key1", "foobar")
+      @client.bitcount("key1").should be == 26
+    end
+
+    it "should count correctly with UTF-8 strings" do
+      @client.set("key1", '判')
+      @client.bitcount("key1").should be == 10
+    end
+
+    it "should count the number of bits of a string given a range" do
+      @client.set("key1", "foobar")
+
+      @client.bitcount("key1", 0, 0).should be == 4
+      @client.bitcount("key1", 1, 1).should be == 6
+      @client.bitcount("key1", 0, 1).should be == 10
     end
 
   end
 end