initial import of failover code

spec/unit/amqp/failover/config_spec.rb

@@ -0,0 +1,59 @@
+# encoding: utf-8
+
+require 'spec_helper'
+
+describe AMQP::Failover::Config do
+  
+  before(:each) do
+    @conf = AMQP::Failover::Config.new
+    [:primary, :configs, :refs].each do |var|
+      @conf.instance_variable_set("@#{var}", nil)
+    end
+    @raw_configs = [
+      {:host => 'rabbit3.local'},
+      {:host => 'rabbit2.local'},
+      {:host => 'rabbit2.local', :port => 5673}
+    ]
+    @configs = @raw_configs.map { |conf| @conf.default_config.merge(conf) }
+  end
+  
+  after(:each) do
+    [:primary, :configs, :refs].each do |var|
+      @conf.instance_variable_set("@#{var}", nil)
+    end
+  end
+  
+  it "should set and get configs" do
+    @conf.primary.should == 0
+    @conf.configs.should have(0).items
+    
+    @conf.set(@raw_configs[0])
+    @conf.configs.should have(1).items
+    @conf.get(0).should == @configs[0]
+    
+    @conf.set(@raw_configs[1])
+    @conf.configs.should have(2).items
+    @conf.get(1).should == @configs[1]
+    
+    @conf.set(@raw_configs[1], :the_one)
+    @conf.configs.should have(2).items
+    @conf.get(1).should == @configs[1]
+    @conf.get(:the_one).should == @configs[1]
+    
+    @conf.load_array(@raw_configs)
+    @conf.configs.should have(3).items
+    @conf.get_primary.should == @configs[0]
+    @conf.primary = 1
+    @conf.get_primary.should == @configs[1]
+  end
+  
+  it "should #find_next" do
+    @conf.load(@raw_configs)
+    @conf.configs.should have(3).items
+    @conf.find_next(@configs[0]).should == @configs[1]
+    @conf.find_next(@configs[1]).should == @configs[2]
+    @conf.find_next(@configs[2]).should == @configs[0]
+  end
+  
+end
+