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https://gitee.com/milvus-io/milvus.git
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69 lines
2.1 KiB
Go
69 lines
2.1 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package client
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import (
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"context"
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"math"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"google.golang.org/grpc"
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"github.com/milvus-io/milvus-proto/go-api/v2/commonpb"
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)
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var (
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mockInvokerError error
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mockInvokerReply interface{}
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mockInvokeTimes = 0
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)
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var mockInvoker grpc.UnaryInvoker = func(ctx context.Context, method string, req, reply interface{}, cc *grpc.ClientConn, opts ...grpc.CallOption) error {
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mockInvokeTimes++
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return mockInvokerError
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}
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func resetMockInvokeTimes() {
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mockInvokeTimes = 0
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}
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func TestRateLimitInterceptor(t *testing.T) {
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maxRetry := uint(3)
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maxBackoff := 3 * time.Second
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inter := RetryOnRateLimitInterceptor(maxRetry, maxBackoff, func(ctx context.Context, attempt uint) time.Duration {
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return 60 * time.Millisecond * time.Duration(math.Pow(2, float64(attempt)))
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})
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ctx := context.Background()
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// with retry
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mockInvokerReply = &commonpb.Status{ErrorCode: commonpb.ErrorCode_RateLimit}
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resetMockInvokeTimes()
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err := inter(ctx, "", nil, mockInvokerReply, nil, mockInvoker)
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assert.NoError(t, err)
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assert.Equal(t, maxRetry, uint(mockInvokeTimes))
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// without retry
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ctx1 := context.WithValue(ctx, RetryOnRateLimit, false)
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resetMockInvokeTimes()
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err = inter(ctx1, "", nil, mockInvokerReply, nil, mockInvoker)
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assert.NoError(t, err)
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assert.Equal(t, uint(1), uint(mockInvokeTimes))
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}
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