func copyConfig(config *Config) *aws.Config {
if config == nil {
config = &Config{}
}
c := &aws.Config{
Credentials: credentials.AnonymousCredentials,
Endpoint: config.Endpoint,
HTTPClient: config.HTTPClient,
Logger: config.Logger,
LogLevel: config.LogLevel,
MaxRetries: config.MaxRetries,
}
if c.HTTPClient == nil {
c.HTTPClient = http.DefaultClient
}
if c.Logger == nil {
c.Logger = aws.NewDefaultLogger()
}
if c.LogLevel == nil {
c.LogLevel = aws.LogLevel(aws.LogOff)
}
if c.MaxRetries == nil {
c.MaxRetries = aws.Int(DefaultRetries)
}
return c
}
func TestMain(m *testing.M) {
db = dynamodb.New(&aws.Config{
MaxRetries: aws.Int(2),
})
db.Handlers.Send.Clear() // mock sending
os.Exit(m.Run())
}
func TestValidateCRC32DoesNotMatchNoComputeChecksum(t *testing.T) {
svc := dynamodb.New(&aws.Config{
MaxRetries: aws.Int(2),
DisableComputeChecksums: aws.Bool(true),
})
svc.Handlers.Send.Clear() // mock sending
req := mockCRCResponse(svc, 200, `{"TableNames":["A"]}`, "1234")
assert.NoError(t, req.Error)
assert.Equal(t, 0, int(req.RetryCount))
// CRC check disabled. Does not affect output parsing
out := req.Data.(*dynamodb.ListTablesOutput)
assert.Equal(t, "A", *out.TableNames[0])
}
// test that the request is retried after the credentials are expired.
func TestRequestRecoverExpiredCreds(t *testing.T) {
reqNum := 0
reqs := []http.Response{
{StatusCode: 400, Body: body(`{"__type":"ExpiredTokenException","message":"expired token"}`)},
{StatusCode: 200, Body: body(`{"data":"valid"}`)},
}
s := NewService(&aws.Config{MaxRetries: aws.Int(10), Credentials: credentials.NewStaticCredentials("AKID", "SECRET", "")})
s.Handlers.Validate.Clear()
s.Handlers.Unmarshal.PushBack(unmarshal)
s.Handlers.UnmarshalError.PushBack(unmarshalError)
credExpiredBeforeRetry := false
credExpiredAfterRetry := false
s.Handlers.AfterRetry.PushBack(func(r *Request) {
credExpiredAfterRetry = r.Config.Credentials.IsExpired()
})
s.Handlers.Sign.Clear()
s.Handlers.Sign.PushBack(func(r *Request) {
r.Config.Credentials.Get()
})
s.Handlers.Send.Clear() // mock sending
s.Handlers.Send.PushBack(func(r *Request) {
r.HTTPResponse = &reqs[reqNum]
reqNum++
})
out := &testData{}
r := NewRequest(s, &Operation{Name: "Operation"}, nil, out)
err := r.Send()
assert.Nil(t, err)
assert.False(t, credExpiredBeforeRetry, "Expect valid creds before retry check")
assert.True(t, credExpiredAfterRetry, "Expect expired creds after retry check")
assert.False(t, s.Config.Credentials.IsExpired(), "Expect valid creds after cred expired recovery")
assert.Equal(t, 1, int(r.RetryCount))
assert.Equal(t, "valid", out.Data)
}
func TestCustomRetryRules(t *testing.T) {
d := dynamodb.New(&aws.Config{MaxRetries: aws.Int(-1)})
assert.Equal(t, d.MaxRetries(), uint(10))
}
func TestAfterRetryRefreshCreds(t *testing.T) {
os.Clearenv()
credProvider := &mockCredsProvider{}
svc := NewService(&aws.Config{Credentials: credentials.NewCredentials(credProvider), MaxRetries: aws.Int(1)})
svc.Handlers.Clear()
svc.Handlers.ValidateResponse.PushBack(func(r *Request) {
r.Error = awserr.New("UnknownError", "", nil)
r.HTTPResponse = &http.Response{StatusCode: 400}
})
svc.Handlers.UnmarshalError.PushBack(func(r *Request) {
r.Error = awserr.New("ExpiredTokenException", "", nil)
})
svc.Handlers.AfterRetry.PushBack(func(r *Request) {
AfterRetryHandler(r)
})
assert.True(t, svc.Config.Credentials.IsExpired(), "Expect to start out expired")
assert.False(t, credProvider.retrieveCalled)
req := NewRequest(svc, &Operation{Name: "Operation"}, nil, nil)
req.Send()
assert.True(t, svc.Config.Credentials.IsExpired())
assert.False(t, credProvider.retrieveCalled)
_, err := svc.Config.Credentials.Get()
assert.NoError(t, err)
assert.True(t, credProvider.retrieveCalled)
}