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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"
"testing"
"github.com/apache/thrift/lib/go/test/gopath/src/clientmiddlewareexceptiontest"
"github.com/apache/thrift/lib/go/thrift"
)
type fakeClientMiddlewareExceptionTestHandler func(ctx context.Context) (*clientmiddlewareexceptiontest.FooResponse, error)
func (f fakeClientMiddlewareExceptionTestHandler) Foo(ctx context.Context) (*clientmiddlewareexceptiontest.FooResponse, error) {
return f(ctx)
}
type clientMiddlewareErrorChecker func(err error) error
var clientMiddlewareExceptionCases = []struct {
label string
handler fakeClientMiddlewareExceptionTestHandler
checker clientMiddlewareErrorChecker
}{
{
label: "no-error",
handler: func(_ context.Context) (*clientmiddlewareexceptiontest.FooResponse, error) {
return new(clientmiddlewareexceptiontest.FooResponse), nil
},
checker: func(err error) error {
if err != nil {
return errors.New("expected err to be nil")
}
return nil
},
},
{
label: "exception-1",
handler: func(_ context.Context) (*clientmiddlewareexceptiontest.FooResponse, error) {
return nil, new(clientmiddlewareexceptiontest.Exception1)
},
checker: func(err error) error {
if !errors.As(err, new(*clientmiddlewareexceptiontest.Exception1)) {
return errors.New("expected err to be of type *clientmiddlewareexceptiontest.Exception1")
}
return nil
},
},
{
label: "no-error",
handler: func(_ context.Context) (*clientmiddlewareexceptiontest.FooResponse, error) {
return nil, new(clientmiddlewareexceptiontest.Exception2)
},
checker: func(err error) error {
if !errors.As(err, new(*clientmiddlewareexceptiontest.Exception2)) {
return errors.New("expected err to be of type *clientmiddlewareexceptiontest.Exception2")
}
return nil
},
},
}
func TestClientMiddlewareException(t *testing.T) {
for _, c := range clientMiddlewareExceptionCases {
t.Run(c.label, func(t *testing.T) {
serverSocket, err := thrift.NewTServerSocket(":0")
if err != nil {
t.Fatalf("failed to create server socket: %v", err)
}
processor := clientmiddlewareexceptiontest.NewClientMiddlewareExceptionTestProcessor(c.handler)
server := thrift.NewTSimpleServer2(processor, serverSocket)
if err := server.Listen(); err != nil {
t.Fatalf("failed to listen server: %v", err)
}
addr := serverSocket.Addr().String()
go server.Serve()
t.Cleanup(func() {
server.Stop()
})
var cfg *thrift.TConfiguration
socket := thrift.NewTSocketConf(addr, cfg)
if err := socket.Open(); err != nil {
t.Fatalf("failed to create client connection: %v", err)
}
t.Cleanup(func() {
socket.Close()
})
inProtocol := thrift.NewTBinaryProtocolConf(socket, cfg)
outProtocol := thrift.NewTBinaryProtocolConf(socket, cfg)
middleware := func(next thrift.TClient) thrift.TClient {
return thrift.WrappedTClient{
Wrapped: func(ctx context.Context, method string, args, result thrift.TStruct) (_ thrift.ResponseMeta, err error) {
defer func() {
if checkErr := c.checker(err); checkErr != nil {
t.Errorf("middleware result unexpected: %v (result=%#v, err=%#v)", checkErr, result, err)
}
}()
return next.Call(ctx, method, args, result)
},
}
}
client := thrift.WrapClient(
thrift.NewTStandardClient(inProtocol, outProtocol),
middleware,
thrift.ExtractIDLExceptionClientMiddleware,
)
result, err := clientmiddlewareexceptiontest.NewClientMiddlewareExceptionTestClient(client).Foo(context.Background())
if checkErr := c.checker(err); checkErr != nil {
t.Errorf("final result unexpected: %v (result=%#v, err=%#v)", checkErr, result, err)
}
})
}
}
func TestExtractExceptionFromResult(t *testing.T) {
for _, c := range clientMiddlewareExceptionCases {
t.Run(c.label, func(t *testing.T) {
serverSocket, err := thrift.NewTServerSocket(":0")
if err != nil {
t.Fatalf("failed to create server socket: %v", err)
}
processor := clientmiddlewareexceptiontest.NewClientMiddlewareExceptionTestProcessor(c.handler)
server := thrift.NewTSimpleServer2(processor, serverSocket)
if err := server.Listen(); err != nil {
t.Fatalf("failed to listen server: %v", err)
}
addr := serverSocket.Addr().String()
go server.Serve()
t.Cleanup(func() {
server.Stop()
})
var cfg *thrift.TConfiguration
socket := thrift.NewTSocketConf(addr, cfg)
if err := socket.Open(); err != nil {
t.Fatalf("failed to create client connection: %v", err)
}
t.Cleanup(func() {
socket.Close()
})
inProtocol := thrift.NewTBinaryProtocolConf(socket, cfg)
outProtocol := thrift.NewTBinaryProtocolConf(socket, cfg)
middleware := func(next thrift.TClient) thrift.TClient {
return thrift.WrappedTClient{
Wrapped: func(ctx context.Context, method string, args, result thrift.TStruct) (_ thrift.ResponseMeta, err error) {
defer func() {
if err == nil {
err = thrift.ExtractExceptionFromResult(result)
}
if checkErr := c.checker(err); checkErr != nil {
t.Errorf("middleware result unexpected: %v (result=%#v, err=%#v)", checkErr, result, err)
}
}()
return next.Call(ctx, method, args, result)
},
}
}
client := thrift.WrapClient(
thrift.NewTStandardClient(inProtocol, outProtocol),
middleware,
)
result, err := clientmiddlewareexceptiontest.NewClientMiddlewareExceptionTestClient(client).Foo(context.Background())
if checkErr := c.checker(err); checkErr != nil {
t.Errorf("final result unexpected: %v (result=%#v, err=%#v)", checkErr, result, err)
}
})
}
}
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