Add ec2test package for fake EC2 server.

suite_test.go

 package ec2_test
 
 import (
+        "flag"
         "fmt"
+        "launchpad.net/goamz/aws"
         . "launchpad.net/gocheck"
         "net/http"
         "net/url"
         "os"
         "testing"
         "time"
 )
 
 func Test(t *testing.T) {
         TestingT(t)
+}
+
+var integration = flag.Bool("i", false, "Enable integration tests")
+
+type SuiteI struct {
+        auth aws.Auth
+}
+
+func (s *SuiteI) SetUpSuite(c *C) {
+        if !*integration {
+                c.Skip("Integration tests not enabled (-i flag)")
+        }
+        auth, err := aws.EnvAuth()
+        if err != nil {
+                c.Fatal(err.Error())
+        }
+        s.auth = auth
+}
+
+type HTTPSuite struct{}
+
+var testServer = NewTestHTTPServer("http://localhost:4444", 5e9)
+
+func (s *HTTPSuite) SetUpSuite(c *C) {
+        testServer.Start()
+}
+
+func (s *HTTPSuite) TearDownTest(c *C) {
+        testServer.FlushRequests()
 }
 
 type TestHTTPServer struct {
         URL      string
         Timeout  int64
         started  bool
         request  chan *http.Request
         response chan *testResponse
         pending  chan bool
 }
@@ skipping 74 matching lines @@
                 return req
         case <-time.After(s.Timeout):
                 panic("Timeout waiting for goamz request")
         }
         panic("unreached")
 }
 
 func (s *TestHTTPServer) PrepareResponse(status int, headers map[string]string, body string) {
         s.response <- &testResponse{status, headers, body}
 }