github.com/cloudwego/kitex@v0.9.0/internal/stream/tracing_test.go (about)

     1  /*
     2   * Copyright 2024 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 stream
    18  
    19  import (
    20  	"context"
    21  	"errors"
    22  	"testing"
    23  
    24  	"github.com/cloudwego/kitex/internal/test"
    25  	"github.com/cloudwego/kitex/pkg/stats"
    26  	"github.com/cloudwego/kitex/pkg/streaming"
    27  )
    28  
    29  type mockStream struct {
    30  	streaming.Stream
    31  }
    32  
    33  func (m *mockStream) Context() context.Context {
    34  	return context.Background()
    35  }
    36  
    37  func TestStreamingConfig_streamRecvTraceMW(t *testing.T) {
    38  	recvErr := errors.New("XXX")
    39  	handlerExecuted := false
    40  	c := &StreamingConfig{
    41  		EventHandler: func(ctx context.Context, evt stats.Event, err error) {
    42  			test.Assert(t, evt == stats.StreamRecv)
    43  			test.Assert(t, err == recvErr)
    44  			handlerExecuted = true
    45  		},
    46  	}
    47  	mw := c.streamRecvTraceMW(context.Background())
    48  	ep := mw(func(stream streaming.Stream, message interface{}) (err error) {
    49  		return recvErr
    50  	})
    51  	err := ep(&mockStream{}, nil)
    52  	test.Assert(t, err == recvErr)
    53  	test.Assert(t, handlerExecuted)
    54  }
    55  
    56  func TestStreamingConfig_streamSendTraceMW(t *testing.T) {
    57  	sendErr := errors.New("XXX")
    58  	handlerExecuted := false
    59  	c := &StreamingConfig{
    60  		EventHandler: func(ctx context.Context, evt stats.Event, err error) {
    61  			test.Assert(t, evt == stats.StreamSend)
    62  			test.Assert(t, err == sendErr)
    63  			handlerExecuted = true
    64  		},
    65  	}
    66  	mw := c.streamSendTraceMW(context.Background())
    67  	ep := mw(func(stream streaming.Stream, message interface{}) (err error) {
    68  		return sendErr
    69  	})
    70  	err := ep(&mockStream{}, nil)
    71  	test.Assert(t, err == sendErr)
    72  	test.Assert(t, handlerExecuted)
    73  }