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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package tests
import (
"context"
"errors"
"sync"
"testing"
"time"
"github.com/apache/thrift/lib/go/test/gopath/src/processormiddlewaretest"
"github.com/apache/thrift/lib/go/thrift"
)
const errorMessage = "foo error"
type serviceImpl struct {
sleepTime time.Duration
}
func (s serviceImpl) Ping(_ context.Context) (err error) {
time.Sleep(s.sleepTime)
return &processormiddlewaretest.Error{
Foo: thrift.StringPtr(errorMessage),
}
}
func middleware(t *testing.T) thrift.ProcessorMiddleware {
return func(name string, next thrift.TProcessorFunction) thrift.TProcessorFunction {
return thrift.WrappedTProcessorFunction{
Wrapped: func(ctx context.Context, seqId int32, in, out thrift.TProtocol) (_ bool, err thrift.TException) {
defer func() {
checkError(t, err)
}()
return next.Process(ctx, seqId, in, out)
},
}
}
}
func checkError(tb testing.TB, err error) {
tb.Helper()
var idlErr *processormiddlewaretest.Error
if !errors.As(err, &idlErr) {
tb.Errorf("expected error to be of type *processormiddlewaretest.Error, actual %T, %#v", err, err)
return
}
if actual := idlErr.GetFoo(); actual != errorMessage {
tb.Errorf("expected error message to be %q, actual %q", errorMessage, actual)
}
}
func TestProcessorMiddleware(t *testing.T) {
const (
sleepTime = 10 * time.Millisecond
timeout = sleepTime / 5
)
processor := processormiddlewaretest.NewServiceProcessor(&serviceImpl{
sleepTime: sleepTime,
})
serverTransport, err := thrift.NewTServerSocket("127.0.0.1:0")
if err != nil {
t.Fatalf("Could not find available server port: %v", err)
}
server := thrift.NewTSimpleServer4(
thrift.WrapProcessor(processor, middleware(t)),
serverTransport,
thrift.NewTHeaderTransportFactoryConf(nil, nil),
thrift.NewTHeaderProtocolFactoryConf(nil),
)
t.Cleanup(func() {
server.Stop()
})
var wg sync.WaitGroup
wg.Add(1)
go func() {
defer wg.Done()
server.Serve()
}()
time.Sleep(10 * time.Millisecond)
cfg := &thrift.TConfiguration{
ConnectTimeout: timeout,
SocketTimeout: timeout,
}
transport := thrift.NewTSocketFromAddrConf(serverTransport.Addr(), cfg)
if err := transport.Open(); err != nil {
t.Fatalf("Could not open client transport: %v", err)
}
defer transport.Close()
protocol := thrift.NewTHeaderProtocolConf(transport, nil)
client := processormiddlewaretest.NewServiceClient(thrift.NewTStandardClient(protocol, protocol))
for label, timeout := range map[string]time.Duration{
"enough-time": sleepTime * 10,
"not-enough-time": sleepTime / 2,
} {
t.Run(label, func(t *testing.T) {
ctx, cancel := context.WithTimeout(context.Background(), timeout)
t.Cleanup(cancel)
client.Ping(ctx)
})
}
}
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