amazon/ebs: acceptance test for region copy

builder/amazon/ebs/builder_acc_test.go

 package ebs
 
 import (
+	"fmt"
 	"os"
 	"testing"
 
+	"github.com/aws/aws-sdk-go/service/ec2"
+	"github.com/mitchellh/packer/builder/amazon/common"
 	builderT "github.com/mitchellh/packer/helper/builder/testing"
+	"github.com/mitchellh/packer/packer"
 )
 
 func TestBuilderAcc_basic(t *testing.T) {
@@ -15,6 +19,48 @@ func TestBuilderAcc_basic(t *testing.T) {
 	})
 }
 
+func TestBuilderAcc_regionCopy(t *testing.T) {
+	builderT.Test(t, builderT.TestCase{
+		PreCheck: func() { testAccPreCheck(t) },
+		Builder:  &Builder{},
+		Template: testBuilderAccRegionCopy,
+		Check:    checkRegionCopy([]string{"us-east-1", "us-west-2"}),
+	})
+}
+
+func checkRegionCopy(regions []string) builderT.TestCheckFunc {
+	return func(artifacts []packer.Artifact) error {
+		if len(artifacts) > 1 {
+			return fmt.Errorf("more than 1 artifact")
+		}
+
+		// Get the actual *Artifact pointer so we can access the AMIs directly
+		artifactRaw := artifacts[0]
+		artifact, ok := artifactRaw.(*common.Artifact)
+		if !ok {
+			return fmt.Errorf("unknown artifact: %#v", artifactRaw)
+		}
+
+		// Verify that we copied to only the regions given
+		regionSet := make(map[string]struct{})
+		for _, r := range regions {
+			regionSet[r] = struct{}{}
+		}
+		for r, _ := range artifact.Amis {
+			if _, ok := regionSet[r]; !ok {
+				return fmt.Errorf("unknown region: %s", r)
+			}
+
+			delete(regionSet, r)
+		}
+		if len(regionSet) > 0 {
+			return fmt.Errorf("didn't copy to: %#v", regionSet)
+		}
+
+		return nil
+	}
+}
+
 func testAccPreCheck(t *testing.T) {
 	if v := os.Getenv("AWS_ACCESS_KEY_ID"); v == "" {
 		t.Fatal("AWS_ACCESS_KEY_ID must be set for acceptance tests")
@@ -25,6 +71,16 @@ func testAccPreCheck(t *testing.T) {
 	}
 }
 
+func testEC2Conn() (*ec2.EC2, error) {
+	access := &common.AccessConfig{RawRegion: "us-east-1"}
+	config, err := access.Config()
+	if err != nil {
+		return nil, err
+	}
+
+	return ec2.New(config), nil
+}
+
 const testBuilderAccBasic = `
 {
 	"builders": [{
@@ -37,3 +93,17 @@ const testBuilderAccBasic = `
 	}]
 }
 `
+
+const testBuilderAccRegionCopy = `
+{
+	"builders": [{
+		"type": "test",
+		"region": "us-east-1",
+		"instance_type": "m3.medium",
+		"source_ami": "ami-76b2a71e",
+		"ssh_username": "ubuntu",
+		"ami_name": "packer-test {{timestamp}}",
+		"ami_regions": ["us-east-1", "us-west-2"]
+	}]
+}
+`