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package dynamodb
import (
"flag"
"github.com/AdRoll/goamz/aws"
"gopkg.in/check.v1"
"testing"
"time"
)
const TIMEOUT = 3 * time.Minute
var amazon = flag.Bool("amazon", false, "Enable tests against dynamodb")
var local = flag.Bool("local", true, "Use DynamoDB local on 8080 instead of real server on us-east.")
var dynamodb_region aws.Region
var dynamodb_auth aws.Auth
type DynamoDBTest struct {
server *Server
aws.Region // Exports Region
TableDescriptionT TableDescriptionT
table *Table
}
// Delete all items in the table
func (s *DynamoDBTest) TearDownTest(c *check.C) {
pk, err := s.TableDescriptionT.BuildPrimaryKey()
if err != nil {
c.Fatal(err)
}
attrs, err := s.table.Scan(nil)
if err != nil {
c.Fatal(err)
}
for _, a := range attrs {
key := &Key{
HashKey: a[pk.KeyAttribute.Name].Value,
}
if pk.HasRange() {
key.RangeKey = a[pk.RangeAttribute.Name].Value
}
if ok, err := s.table.DeleteItem(key); !ok {
c.Fatal(err)
}
}
}
func (s *DynamoDBTest) TearDownSuite(c *check.C) {
// return immediately in the case of calling c.Skip() in SetUpSuite()
if s.server == nil {
return
}
// check whether the table exists
if tables, err := s.server.ListTables(); err != nil {
c.Fatal(err)
} else {
if !findTableByName(tables, s.TableDescriptionT.TableName) {
return
}
}
// Delete the table and wait
if _, err := s.server.DeleteTable(s.TableDescriptionT); err != nil {
c.Fatal(err)
}
done := make(chan bool)
timeout := time.After(TIMEOUT)
go func() {
for {
select {
case <-done:
return
default:
tables, err := s.server.ListTables()
if err != nil {
c.Fatal(err)
}
if findTableByName(tables, s.TableDescriptionT.TableName) {
time.Sleep(5 * time.Second)
} else {
done <- true
return
}
}
}
}()
select {
case <-done:
break
case <-timeout:
c.Error("Expect the table to be deleted but timed out")
close(done)
}
}
func (s *DynamoDBTest) WaitUntilStatus(c *check.C, status string) {
// We should wait until the table is in specified status because a real DynamoDB has some delay for ready
done := make(chan bool)
timeout := time.After(TIMEOUT)
go func() {
for {
select {
case <-done:
return
default:
desc, err := s.table.DescribeTable()
if err != nil {
c.Fatal(err)
}
if desc.TableStatus == status {
done <- true
return
}
time.Sleep(5 * time.Second)
}
}
}()
select {
case <-done:
break
case <-timeout:
c.Errorf("Expect a status to be %s, but timed out", status)
close(done)
}
}
func setUpAuth(c *check.C) {
if !*amazon {
c.Skip("Test against amazon not enabled.")
}
if *local {
c.Log("Using local server")
dynamodb_region = aws.Region{DynamoDBEndpoint: "http://127.0.0.1:8000"}
dynamodb_auth = aws.Auth{AccessKey: "DUMMY_KEY", SecretKey: "DUMMY_SECRET"}
} else {
c.Log("Using REAL AMAZON SERVER")
dynamodb_region = aws.USWest2
auth, err := aws.EnvAuth()
if err != nil {
c.Fatal(err)
}
dynamodb_auth = auth
}
}
func findTableByName(tables []string, name string) bool {
for _, t := range tables {
if t == name {
return true
}
}
return false
}
func Test(t *testing.T) {
check.TestingT(t)
}
|
