Add extract controller logic for bypassing impression to bot? method

test_app/spec/models/bots_spec.rb

@@ -0,0 +1,27 @@
+require 'spec_helper'
+
+describe Impressionist::Bots do
+
+  describe "self.bot?" do
+    it "is true if user_agent is matches wild card" do
+      Impressionist::Bots.bot?("google.com bot").should be_true
+    end
+
+    it "is true if user_agent is on bot list" do
+      Impressionist::Bots.bot?("A-Online Search").should be_true
+    end
+
+    it "is false if user_agent is blank" do
+      Impressionist::Bots.bot?("").should be_false
+      Impressionist::Bots.bot?(nil).should be_false
+    end
+
+    it "is false if user_agent is safe" do
+      Impressionist::Bots.bot?('127.0.0.1').should be_false
+    end
+
+    it "is false if user_agent not given" do
+      Impressionist::Bots.bot?.should be_false
+    end
+  end
+end