fix pinger result comparison

lib/guard/passenger/pinger.rb

@@ -4,7 +4,7 @@ module Guard
   class Passenger
     module Pinger
       class << self
-        
+
         # try to ping given url (e.g. http://localhost:3000/) and display a message to inform of the result
         # failure == response status is 5xx
         # otherwise, it's a success
@@ -15,7 +15,7 @@ def ping(host, port, path = '/')
               response = Net::HTTP.start(host, port) do |http|
                 http.head(path)
               end
-              if response =~ Net::HTTPServerError
+              if response.is_a? Net::HTTPServerError
                 Notifier.notify("Passenger is not running!", :title => "Passenger", :image => :failed)
               else
                 Notifier.notify("Passenger is running.", :title => "Passenger", :image => :success)
@@ -25,7 +25,7 @@ def ping(host, port, path = '/')
             end
           }
         end
-        
+
       end
     end
   end

spec/guard/passenger/pinger_spec.rb

@@ -1,72 +1,72 @@
 require 'spec_helper'
 
 describe Guard::Passenger::Pinger do
-  
+
   describe '.ping' do
     before(:each) do
       Net::HTTP.should_receive(:start).with('localhost', 3000).and_yield(@http_object = mock('request'))
     end
     after(:each) do
       wait_for_thread_end
     end
-    
+
     describe "default" do
       before(:each) do
         @http_object.should_receive(:head).with('/').and_return(@http_response = mock('response'))
       end
-      
+
       it "should ping '/'" do
-        @http_response.should_receive(:=~).with(Net::HTTPServerError).and_return(false)
+        @http_response.should_receive(:is_a?).with(Net::HTTPServerError).and_return(false)
         subject.ping('localhost', 3000)
       end
-      
+
       context "successful ping" do
         it 'should notify the problem' do
-          @http_response.should_receive(:=~).with(Net::HTTPServerError).and_return(false)
+          @http_response.should_receive(:is_a?).with(Net::HTTPServerError).and_return(false)
           Guard::Notifier.should_receive(:notify).with('Passenger is running.', :title => "Passenger", :image => :success)
           subject.ping('localhost', 3000)
         end
       end
-      
+
       context "failing ping" do
         it 'should notify that it is ok' do
-          @http_response.should_receive(:=~).with(Net::HTTPServerError).and_return(true)
+          @http_response.should_receive(:is_a?).with(Net::HTTPServerError).and_return(true)
           Guard::Notifier.should_receive(:notify).with('Passenger is not running!', :title => "Passenger", :image => :failed)
           subject.ping('localhost', 3000)
         end
       end
     end
-    
+
     describe "custom path" do
       context "not beginning with '/'" do
         before(:each) do
           @http_object.should_receive(:head).with('/foo').and_return(@http_response = mock('response'))
-          @http_response.should_receive(:=~).with(Net::HTTPServerError)
+          @http_response.should_receive(:is_a?).with(Net::HTTPServerError)
         end
-        
+
         context "successful ping" do
           it 'should display an info message' do
             subject.ping('localhost', 3000, 'foo')
           end
         end
       end
-      
+
       context "not beginning with '/'" do
         before(:each) do
           @http_object.should_receive(:head).with('/foo').and_return(@http_response = mock('response'))
-          @http_response.should_receive(:=~).with(Net::HTTPServerError)
+          @http_response.should_receive(:is_a?).with(Net::HTTPServerError)
         end
-        
+
         context "successful ping" do
           it 'should display an info message' do
             subject.ping('localhost', 3000, '/foo')
           end
         end
       end
     end
-    
+
   end
-  
+
 end
 
 def wait_for_thread_end