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|
//go:build integration
// +build integration
// Package integration performs initialization and validation for integration
// tests.
package integration
import (
"crypto/rand"
"fmt"
"io"
"io/ioutil"
"os"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/session"
)
// Session is a shared session for all integration tests to use.
var Session = session.Must(session.NewSession(&aws.Config{
CredentialsChainVerboseErrors: aws.Bool(true),
}))
func init() {
logLevel := Session.Config.LogLevel
if os.Getenv("DEBUG") != "" {
logLevel = aws.LogLevel(aws.LogDebug)
}
if os.Getenv("DEBUG_SIGNING") != "" {
logLevel = aws.LogLevel(aws.LogDebugWithSigning)
}
if os.Getenv("DEBUG_BODY") != "" {
logLevel = aws.LogLevel(aws.LogDebugWithSigning | aws.LogDebugWithHTTPBody)
}
Session.Config.LogLevel = logLevel
}
// UniqueID returns a unique UUID-like identifier for use in generating
// resources for integration tests.
func UniqueID() string {
uuid := make([]byte, 16)
io.ReadFull(rand.Reader, uuid)
return fmt.Sprintf("%x", uuid)
}
// CreateFileOfSize will return an *os.File that is of size bytes
func CreateFileOfSize(dir string, size int64) (*os.File, error) {
file, err := ioutil.TempFile(dir, "s3Bench")
if err != nil {
return nil, err
}
err = file.Truncate(size)
if err != nil {
file.Close()
os.Remove(file.Name())
return nil, err
}
return file, nil
}
// SizeToName returns a human-readable string for the given size bytes
func SizeToName(size int) string {
units := []string{"B", "KB", "MB", "GB"}
i := 0
for size >= 1024 {
size /= 1024
i++
}
if i > len(units)-1 {
i = len(units) - 1
}
return fmt.Sprintf("%d%s", size, units[i])
}
// SessionWithDefaultRegion returns a copy of the integration session with the
// region set if one was not already provided.
func SessionWithDefaultRegion(region string) *session.Session {
sess := Session.Copy()
if v := aws.StringValue(sess.Config.Region); len(v) == 0 {
sess.Config.Region = aws.String(region)
}
return sess
}
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