func (s *S) TestGetAuthEnv(c *check.C) {
os.Clearenv()
os.Setenv("AWS_SECRET_ACCESS_KEY", "secret")
os.Setenv("AWS_ACCESS_KEY_ID", "access")
auth, err := aws.GetAuth("", "", "", time.Time{})
c.Assert(err, check.IsNil)
c.Assert(auth, check.Equals, aws.Auth{SecretKey: "secret", AccessKey: "access"})
}
func (s *S) TestGetAuthStatic(c *check.C) {
exptdate := time.Now().Add(time.Hour)
auth, err := aws.GetAuth("access", "secret", "token", exptdate)
c.Assert(err, check.IsNil)
c.Assert(auth.AccessKey, check.Equals, "access")
c.Assert(auth.SecretKey, check.Equals, "secret")
c.Assert(auth.Token(), check.Equals, "token")
c.Assert(auth.Expiration(), check.Equals, exptdate)
}