test: fix test w/curl error, bucket creation/location tests

tests/rest_scripts/command/createBucketCommand.go

@@ -0,0 +1,45 @@
+package command
+
+import (
+	"encoding/xml"
+	"errors"
+	"fmt"
+)
+
+type CreateBucketCommandXML struct {
+	XMLName            xml.Name `xml:"CreateBucketConfiguration"`
+	XMLNamespace       string   `xml:"xmlns,attr"`
+	LocationConstraint string   `xml:"LocationConstraint"`
+}
+
+type CreateBucketCommand struct {
+	*S3Command
+	Config *CreateBucketCommandXML
+}
+
+func NewCreateBucketCommand(s3Command *S3Command, locationConstraint string, constraintSet bool) (*CreateBucketCommand, error) {
+	if s3Command.BucketName == "" {
+		return nil, errors.New("CreateBucket must have bucket name")
+	}
+	s3Command.Method = "PUT"
+	s3Command.Query = ""
+	var config *CreateBucketCommandXML = nil
+	if constraintSet {
+		config = &CreateBucketCommandXML{
+			XMLNamespace:       "http://s3.amazonaws.com/doc/2006-03-01/",
+			LocationConstraint: locationConstraint,
+		}
+	}
+	command := &CreateBucketCommand{
+		S3Command: s3Command,
+		Config:    config,
+	}
+	if constraintSet {
+		xmlData, err := xml.Marshal(command.Config)
+		if err != nil {
+			return nil, fmt.Errorf("error marshalling XML: %w", err)
+		}
+		command.Payload = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" + string(xmlData)
+	}
+	return command, nil
+}