mirror of https://github.com/tikv/client-go.git
98 lines
2.9 KiB
Go
98 lines
2.9 KiB
Go
// Copyright 2023 TiKV Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// 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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// NOTE: The code in this file is based on code from the
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// TiDB project, licensed under the Apache License v 2.0
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//
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// https://github.com/pingcap/tidb/tree/cc5e161ac06827589c4966674597c137cc9e809c/store/tikv/util/rate_limit_test.go
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//
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// Copyright 2023 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// 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 util
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import (
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"context"
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"fmt"
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"net/http"
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"net/http/httptest"
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"testing"
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"github.com/pingcap/failpoint"
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"github.com/stretchr/testify/require"
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)
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func TestPDRequestRetry(t *testing.T) {
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EnableFailpoints()
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ctx := context.Background()
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require := require.New(t)
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require.Nil(failpoint.Enable("tikvclient/FastRetry", `return()`))
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defer func() {
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require.Nil(failpoint.Disable("tikvclient/FastRetry"))
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}()
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count := 0
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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count++
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if count <= pdRequestRetryTime-1 {
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w.WriteHeader(http.StatusGatewayTimeout)
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return
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}
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w.WriteHeader(http.StatusOK)
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}))
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cli := http.DefaultClient
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taddr := ts.URL
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_, reqErr := pdRequest(ctx, taddr, "", cli, http.MethodGet, nil)
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require.Nil(reqErr)
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ts.Close()
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count = 0
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ts = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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count++
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if count <= pdRequestRetryTime+1 {
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w.WriteHeader(http.StatusGatewayTimeout)
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return
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}
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w.WriteHeader(http.StatusOK)
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}))
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taddr = ts.URL
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_, reqErr = pdRequest(ctx, taddr, "", cli, http.MethodGet, nil)
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require.Error(reqErr)
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ts.Close()
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require.Nil(failpoint.Enable("tikvclient/InjectClosed", fmt.Sprintf("return(%d)", 0)))
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defer func() {
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require.Nil(failpoint.Disable("tikvclient/InjectClosed"))
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}()
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ts = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusOK)
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}))
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taddr = ts.URL
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_, reqErr = pdRequest(ctx, taddr, "", cli, http.MethodGet, nil)
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require.Error(reqErr)
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ts.Close()
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}
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