Fix aws-sdk-go test behavior (#229)

- Added missing endpoint entry in the case of secure endpoint.
- Added bucket creation and deletion code, as the error code is different 
  between AWS S3 and Minio server, if test is run with a non-existent bucket.

Fixes #228

run/core/aws-sdk-go/quick-tests.go

@@ -25,7 +25,6 @@ import (
 	"encoding/xml"
 	"errors"
 	"fmt"
-	"io/ioutil"
 	"math/rand"
 	"net/http"
 	"os"
@@ -127,10 +126,29 @@ func randString(n int, src rand.Source, prefix string) string {
 	return prefix + string(b[0:30-len(prefix)])
 }
 
-func testPresignedPut(s3Client *s3.S3) {
+func cleanup(s3Client *s3.S3, bucket string, object string, function string,
+	args map[string]interface{}, startTime time.Time) {
+
+	// Deleting the object, just in case it was created. Will not check for errors.
+	s3Client.DeleteObject(&s3.DeleteObjectInput{
+		Bucket: aws.String(bucket),
+		Key:    aws.String(object),
+	})
+
+	_, err := s3Client.DeleteBucket(&s3.DeleteBucketInput{
+		Bucket: aws.String(bucket),
+	})
+	if err != nil {
+		failureLog(function, args, startTime, "", "AWS SDK Go DeleteBucket Failed", err).Fatal()
+		return
+	}
+
+}
+
+func testPresignedPutInvalidHash(s3Client *s3.S3) {
 	startTime := time.Now()
 	function := "PresignedPut"
-	bucket := randString(60, rand.NewSource(time.Now().UnixNano()), "aws-sdk-go-test")
+	bucket := randString(60, rand.NewSource(time.Now().UnixNano()), "aws-sdk-go-test-")
 	object := "presignedTest"
 	expiry := 1 * time.Minute
 	args := map[string]interface{}{
@@ -139,6 +157,15 @@ func testPresignedPut(s3Client *s3.S3) {
 		"expiry":     expiry,
 	}
 
+	_, err := s3Client.CreateBucket(&s3.CreateBucketInput{
+		Bucket: aws.String(bucket),
+	})
+	if err != nil {
+		failureLog(function, args, startTime, "", "AWS SDK Go CreateBucket Failed", err).Fatal()
+		return
+	}
+	defer cleanup(s3Client, bucket, object, function, args, startTime)
+
 	req, _ := s3Client.PutObjectRequest(&s3.PutObjectInput{
 		Bucket:      aws.String(bucket),
 		Key:         aws.String(object),
@@ -161,15 +188,11 @@ func testPresignedPut(s3Client *s3.S3) {
 		failureLog(function, args, startTime, "", "AWS SDK Go presigned put request failed", err).Fatal()
 		return
 	}
-	body, err := ioutil.ReadAll(resp.Body)
-	resp.Body.Close()
-	if err != nil {
-		failureLog(function, args, startTime, "", "AWS SDK Go reading response body failed", err).Fatal()
-		return
-	}
+	defer resp.Body.Close()
 
+	dec := xml.NewDecoder(resp.Body)
 	errResp := ErrorResponse{}
-	err = xml.Unmarshal(body, &errResp)
+	err = dec.Decode(&errResp)
 	if err != nil {
 		failureLog(function, args, startTime, "", "AWS SDK Go unmarshalling xml failed", err).Fatal()
 		return
@@ -179,6 +202,7 @@ func testPresignedPut(s3Client *s3.S3) {
 		failureLog(function, args, startTime, "", fmt.Sprintf("AWS SDK Go presigned PUT expected to fail with XAmzContentSHA256Mismatch but got %v", errResp.Code), errors.New("AWS S3 error code mismatch")).Fatal()
 		return
 	}
+
 	successLogger(function, args, startTime).Info()
 }
 
@@ -189,7 +213,7 @@ func main() {
 	secure := os.Getenv("ENABLE_HTTPS")
 	sdkEndpoint := "http://" + endpoint
 	if secure == "1" {
-		sdkEndpoint = "https://"
+		sdkEndpoint = "https://" + endpoint
 	}
 
 	creds := credentials.NewStaticCredentials(accessKey, secretKey, "")
@@ -201,8 +225,6 @@ func main() {
 		S3ForcePathStyle: aws.Bool(true),
 	}
 
-	s3Config = s3Config.WithLogLevel(aws.LogDebug)
-
 	// Create an S3 service object in the default region.
 	s3Client := s3.New(newSession, s3Config)
 
@@ -215,5 +237,5 @@ func main() {
 	// log Info or above -- success cases are Info level, failures are Fatal level
 	log.SetLevel(log.InfoLevel)
 	// execute tests
-	testPresignedPut(s3Client)
+	testPresignedPutInvalidHash(s3Client)
 }