fake_roundtripper_test.go

Documentation: go.etcd.io/etcd/server/v3/etcdserver/api/rafthttp

     1  // Copyright 2015 The etcd Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package rafthttp
    16  
    17  import (
    18  	"errors"
    19  	"net/http"
    20  )
    21  
    22  func (t *roundTripperBlocker) RoundTrip(req *http.Request) (*http.Response, error) {
    23  	c := make(chan struct{}, 1)
    24  	t.mu.Lock()
    25  	t.cancel[req] = c
    26  	t.mu.Unlock()
    27  	ctx := req.Context()
    28  	select {
    29  	case <-t.unblockc:
    30  		return &http.Response{StatusCode: http.StatusNoContent, Body: &nopReadCloser{}}, nil
    31  	case <-ctx.Done():
    32  		return nil, errors.New("request canceled")
    33  	case <-c:
    34  		return nil, errors.New("request canceled")
    35  	}
    36  }
    37

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