Golang awstesting.NewClient函数代码示例

func TestIgnorePreResignRequestWithValidCreds(t *testing.T) {
	svc := awstesting.NewClient(&aws.Config{
		Credentials: credentials.NewStaticCredentials("AKID", "SECRET", "SESSION"),
		Region:      aws.String("us-west-2"),
	})
	r := svc.NewRequest(
		&request.Operation{
			Name:       "BatchGetItem",
			HTTPMethod: "POST",
			HTTPPath:   "/",
		},
		nil,
		nil,
	)
	r.ExpireTime = time.Minute * 10

	SignSDKRequest(r)
	sig := r.HTTPRequest.URL.Query().Get("X-Amz-Signature")

	signSDKRequestWithCurrTime(r, func() time.Time {
		// Simulate one second has passed so that signature's date changes
		// when it is resigned.
		return time.Now().Add(1 * time.Second)
	})
	assert.NotEqual(t, sig, r.HTTPRequest.URL.Query().Get("X-Amz-Signature"))
}

func TestPreResignRequestExpiredCreds(t *testing.T) {
	provider := &credentials.StaticProvider{Value: credentials.Value{
		AccessKeyID:     "AKID",
		SecretAccessKey: "SECRET",
		SessionToken:    "SESSION",
	}}
	creds := credentials.NewCredentials(provider)
	svc := awstesting.NewClient(&aws.Config{Credentials: creds})
	r := svc.NewRequest(
		&request.Operation{
			Name:       "BatchGetItem",
			HTTPMethod: "POST",
			HTTPPath:   "/",
		},
		nil,
		nil,
	)
	r.ExpireTime = time.Minute * 10

	Sign(r)
	querySig := r.HTTPRequest.URL.Query().Get("X-Amz-Signature")

	creds.Expire()
	r.Time = time.Now().Add(time.Hour * 48)

	Sign(r)
	assert.NotEqual(t, querySig, r.HTTPRequest.URL.Query().Get("X-Amz-Signature"))
}

// test that retries occur for 4xx status codes with a response type that can be retried - see `shouldRetry`
func TestRequestRecoverRetry4xxRetryable(t *testing.T) {
	reqNum := 0
	reqs := []http.Response{
		{StatusCode: 400, Body: body(`{"__type":"Throttling","message":"Rate exceeded."}`)},
		{StatusCode: 429, Body: body(`{"__type":"ProvisionedThroughputExceededException","message":"Rate exceeded."}`)},
		{StatusCode: 200, Body: body(`{"data":"valid"}`)},
	}

	retryer := SsmRetryer{}
	retryer.NumMaxRetries = 10
	s := awstesting.NewClient(&aws.Config{Retryer: &retryer})
	s.Handlers.Validate.Clear()
	s.Handlers.Unmarshal.PushBack(unmarshal)
	s.Handlers.UnmarshalError.PushBack(unmarshalError)
	s.Handlers.Send.Clear() // mock sending
	s.Handlers.Send.PushBack(func(r *request.Request) {
		r.HTTPResponse = &reqs[reqNum]
		reqNum++
	})
	out := &testData{}
	r := s.NewRequest(&request.Operation{Name: "Operation"}, nil, out)
	err := r.Send()
	assert.Nil(t, err)
	assert.Equal(t, 2, int(r.RetryCount))
	assert.Equal(t, "valid", out.Data)
}

func TestGet(t *testing.T) {
	assert := assert.New(t)
	svc := awstesting.NewClient(&aws.Config{
		Credentials: credentials.NewStaticCredentials("AKID", "SECRET", "SESSION"),
		Region:      aws.String("ap-southeast-2"),
	})
	r := svc.NewRequest(
		&request.Operation{
			Name:       "OpName",
			HTTPMethod: "GET",
			HTTPPath:   "/",
		},
		nil,
		nil,
	)

	r.Build()
	assert.Equal("GET", r.HTTPRequest.Method)
	assert.Equal("", r.HTTPRequest.URL.Query().Get("Signature"))

	Sign(r)
	assert.NoError(r.Error)
	t.Logf("Signature: %s", r.HTTPRequest.URL.Query().Get("Signature"))
	assert.NotEqual("", r.HTTPRequest.URL.Query().Get("Signature"))
}

// test that retries delay increase by at least a second
func TestDelayIncreasesByASecond(t *testing.T) {
	reqNum := 0
	reqs := []http.Response{
		{StatusCode: 500, Body: body(`{"__type":"UnknownError","message":"An error occurred."}`)},
		{StatusCode: 200, Body: body(`{"data":"valid"}`)},
	}
	sleepDelay := func(delay time.Duration) {
		if delay < time.Duration(1*time.Second) {
			assert.Fail(t, "Expect delay to increase")
		}
	}

	retryer := SsmRetryer{}
	retryer.NumMaxRetries = 10
	s := awstesting.NewClient(&aws.Config{Retryer: &retryer, SleepDelay: sleepDelay})

	s.Handlers.Validate.Clear()
	s.Handlers.Unmarshal.PushBack(unmarshal)
	s.Handlers.UnmarshalError.PushBack(unmarshalError)
	s.Handlers.Send.Clear() // mock sending
	s.Handlers.Send.PushBack(func(r *request.Request) {
		r.HTTPResponse = &reqs[reqNum]
		reqNum++
	})
	out := &testData{}
	r := s.NewRequest(&request.Operation{Name: "Operation"}, nil, out)
	err := r.Send()
	assert.Nil(t, err)
	assert.Equal(t, 1, int(r.RetryCount))

}

// test that retries occur for 5xx status codes
func TestRequestRecoverRetry5xx(t *testing.T) {
	reqNum := 0
	reqs := []http.Response{
		{StatusCode: 500, Body: body(`{"__type":"UnknownError","message":"An error occurred."}`)},
		{StatusCode: 501, Body: body(`{"__type":"UnknownError","message":"An error occurred."}`)},
		{StatusCode: 200, Body: body(`{"data":"valid"}`)},
	}
	retryer := SsmRetryer{}
	retryer.NumMaxRetries = 2
	s := awstesting.NewClient(&aws.Config{Retryer: &retryer})

	s.Handlers.Validate.Clear()
	s.Handlers.Unmarshal.PushBack(unmarshal)
	s.Handlers.UnmarshalError.PushBack(unmarshalError)
	s.Handlers.Send.Clear() // mock sending
	s.Handlers.Send.PushBack(func(r *request.Request) {
		r.HTTPResponse = &reqs[reqNum]
		reqNum++
	})
	out := &testData{}
	r := s.NewRequest(&request.Operation{Name: "Operation"}, nil, out)
	err := r.Send()
	assert.Nil(t, err)
	assert.Equal(t, 2, int(r.RetryCount))
	assert.Equal(t, "valid", out.Data)
}

// test that retries occur for request timeouts when response.Body can be nil
func TestRequestRecoverTimeoutWithNilBody(t *testing.T) {
	reqNum := 0
	reqs := []*http.Response{
		{StatusCode: 0, Body: nil}, // body can be nil when requests time out
		{StatusCode: 200, Body: body(`{"data":"valid"}`)},
	}
	errors := []error{
		errors.New("timeout"), nil,
	}

	s := awstesting.NewClient(aws.NewConfig().WithMaxRetries(10))
	s.Handlers.Validate.Clear()
	s.Handlers.Unmarshal.PushBack(unmarshal)
	s.Handlers.UnmarshalError.PushBack(unmarshalError)
	s.Handlers.AfterRetry.Clear() // force retry on all errors
	s.Handlers.AfterRetry.PushBack(func(r *request.Request) {
		if r.Error != nil {
			r.Error = nil
			r.Retryable = aws.Bool(true)
			r.RetryCount++
		}
	})
	s.Handlers.Send.Clear() // mock sending
	s.Handlers.Send.PushBack(func(r *request.Request) {
		r.HTTPResponse = reqs[reqNum]
		r.Error = errors[reqNum]
		reqNum++
	})
	out := &testData{}
	r := s.NewRequest(&request.Operation{Name: "Operation"}, nil, out)
	err := r.Send()
	assert.Nil(t, err)
	assert.Equal(t, 1, int(r.RetryCount))
	assert.Equal(t, "valid", out.Data)
}

func TestAfterRetryRefreshCreds(t *testing.T) {
	os.Clearenv()
	credProvider := &mockCredsProvider{}

	svc := awstesting.NewClient(&aws.Config{
		Credentials: credentials.NewCredentials(credProvider),
		MaxRetries:  aws.Int(1),
	})

	svc.Handlers.Clear()
	svc.Handlers.ValidateResponse.PushBack(func(r *request.Request) {
		r.Error = awserr.New("UnknownError", "", nil)
		r.HTTPResponse = &http.Response{StatusCode: 400}
	})
	svc.Handlers.UnmarshalError.PushBack(func(r *request.Request) {
		r.Error = awserr.New("ExpiredTokenException", "", nil)
	})
	svc.Handlers.AfterRetry.PushBackNamed(corehandlers.AfterRetryHandler)

	assert.True(t, svc.Config.Credentials.IsExpired(), "Expect to start out expired")
	assert.False(t, credProvider.retrieveCalled)

	req := svc.NewRequest(&request.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)
}

func TestRequestUserAgent(t *testing.T) {
	s := awstesting.NewClient(&aws.Config{Region: aws.String("us-east-1")})
	//	s.Handlers.Validate.Clear()

	req := s.NewRequest(&request.Operation{Name: "Operation"}, nil, &testData{})
	req.HTTPRequest.Header.Set("User-Agent", "foo/bar")
	assert.NoError(t, req.Build())

	expectUA := fmt.Sprintf("foo/bar %s/%s (%s; %s; %s)",
		aws.SDKName, aws.SDKVersion, runtime.Version(), runtime.GOOS, runtime.GOARCH)
	assert.Equal(t, expectUA, req.HTTPRequest.Header.Get("User-Agent"))
}

func TestValidateEndpointHandler(t *testing.T) {
	os.Clearenv()

	svc := awstesting.NewClient(aws.NewConfig().WithRegion("us-west-2"))
	svc.Handlers.Clear()
	svc.Handlers.Validate.PushBackNamed(corehandlers.ValidateEndpointHandler)

	req := svc.NewRequest(&request.Operation{Name: "Operation"}, nil, nil)
	err := req.Build()

	assert.NoError(t, err)
}

func benchRESTXMLBuild(b *testing.B, op *request.Operation, params interface{}) {
	svc := awstesting.NewClient()
	svc.ServiceName = "cloudfront"
	svc.APIVersion = "2015-04-17"

	for i := 0; i < b.N; i++ {
		r := svc.NewRequest(op, params, nil)
		restxml.Build(r)
		if r.Error != nil {
			b.Fatal("Unexpected error", r.Error)
		}
	}
}

func BenchmarkJSONUtilBuild_Simple_dynamodbPutItem(b *testing.B) {
	svc := awstesting.NewClient()

	params := getDynamodbPutItemParams(b)

	for i := 0; i < b.N; i++ {
		r := svc.NewRequest(&request.Operation{Name: "Operation"}, params, nil)
		_, err := jsonutil.BuildJSON(r.Params)
		if err != nil {
			b.Fatal("Unexpected error", err)
		}
	}
}

func BenchmarkRESTBuild_Complex_elastictranscoderCreateJobInput(b *testing.B) {
	svc := awstesting.NewClient()
	svc.ServiceName = "elastictranscoder"
	svc.APIVersion = "2012-09-25"

	for i := 0; i < b.N; i++ {
		r := svc.NewRequest(&request.Operation{Name: "CreateJobInput"}, restjsonBuildParms, nil)
		rest.Build(r)
		if r.Error != nil {
			b.Fatal("Unexpected error", r.Error)
		}
	}
}

func BenchmarkJSONRPCBuild_Simple_dynamodbPutItem(b *testing.B) {
	svc := awstesting.NewClient()

	params := getDynamodbPutItemParams(b)

	for i := 0; i < b.N; i++ {
		r := svc.NewRequest(&request.Operation{Name: "Operation"}, params, nil)
		jsonrpc.Build(r)
		if r.Error != nil {
			b.Fatal("Unexpected error", r.Error)
		}
	}
}

func TestValidateEndpointHandlerErrorRegion(t *testing.T) {
	os.Clearenv()

	svc := awstesting.NewClient()
	svc.Handlers.Clear()
	svc.Handlers.Validate.PushBackNamed(corehandlers.ValidateEndpointHandler)

	req := svc.NewRequest(&request.Operation{Name: "Operation"}, nil, nil)
	err := req.Build()

	assert.Error(t, err)
	assert.Equal(t, aws.ErrMissingRegion, err)
}