github.com/cloudwego/kitex@v0.9.0/server/invoke_test.go (about)

     1  /*
     2   * Copyright 2021 CloudWeGo Authors
     3   *
     4   * Licensed under the Apache License, Version 2.0 (the "License");
     5   * you may not use this file except in compliance with the License.
     6   * You may obtain a copy of the License at
     7   *
     8   *     http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS,
    12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   * See the License for the specific language governing permissions and
    14   * limitations under the License.
    15   */
    16  
    17  package server
    18  
    19  import (
    20  	"context"
    21  	"strings"
    22  	"sync/atomic"
    23  	"testing"
    24  
    25  	"github.com/apache/thrift/lib/go/thrift"
    26  
    27  	"github.com/cloudwego/kitex/internal/mocks"
    28  	"github.com/cloudwego/kitex/internal/test"
    29  	"github.com/cloudwego/kitex/pkg/remote/trans/invoke"
    30  	"github.com/cloudwego/kitex/pkg/utils"
    31  )
    32  
    33  // TestInvokerCall tests Invoker, call Kitex server just like SDK.
    34  func TestInvokerCall(t *testing.T) {
    35  	var gotErr atomic.Value
    36  	invoker := NewInvoker(WithMetaHandler(noopMetahandler{}), WithErrorHandler(func(ctx context.Context, err error) error {
    37  		gotErr.Store(err)
    38  		return err
    39  	}))
    40  
    41  	err := invoker.RegisterService(mocks.ServiceInfo(), mocks.MyServiceHandler())
    42  	if err != nil {
    43  		t.Fatal(err)
    44  	}
    45  	err = invoker.Init()
    46  	if err != nil {
    47  		t.Fatal(err)
    48  	}
    49  
    50  	args := mocks.NewMockArgs()
    51  	codec := utils.NewThriftMessageCodec()
    52  
    53  	// call success
    54  	b, _ := codec.Encode("mock", thrift.CALL, 0, args.(thrift.TStruct))
    55  	msg := invoke.NewMessage(nil, nil)
    56  	err = msg.SetRequestBytes(b)
    57  	test.Assert(t, err == nil)
    58  	err = invoker.Call(msg)
    59  	if err != nil {
    60  		t.Fatal(err)
    61  	}
    62  	b, err = msg.GetResponseBytes()
    63  	if err != nil {
    64  		t.Fatal(err)
    65  	}
    66  	test.Assert(t, len(b) > 0)
    67  	test.Assert(t, gotErr.Load() == nil)
    68  
    69  	// call fails
    70  	b, _ = codec.Encode("mockError", thrift.CALL, 0, args.(thrift.TStruct))
    71  	msg = invoke.NewMessage(nil, nil)
    72  	err = msg.SetRequestBytes(b)
    73  	test.Assert(t, err == nil)
    74  	err = invoker.Call(msg)
    75  	if err != nil {
    76  		t.Fatal(err)
    77  	}
    78  	test.Assert(t, strings.Contains(gotErr.Load().(error).Error(), "mockError"))
    79  }
    80  
    81  // TestInvokerInit test invoker init without service info, should fail
    82  func TestInvokerInit(t *testing.T) {
    83  	// test init without register server info
    84  	invoker := NewInvoker()
    85  	err := invoker.Init()
    86  	test.Assert(t, err != nil)
    87  	test.Assert(t, strings.Contains(err.Error(), "run: no service. Use RegisterService to set one"))
    88  
    89  	err = invoker.RegisterService(mocks.ServiceInfo(), mocks.MyServiceHandler())
    90  	test.Assert(t, err == nil)
    91  }