github.com/cloudwego/kitex@v0.9.0/pkg/utils/rpcstats_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 utils
    18  
    19  import (
    20  	"context"
    21  	"testing"
    22  	"time"
    23  
    24  	"github.com/cloudwego/kitex/internal/test"
    25  	"github.com/cloudwego/kitex/pkg/rpcinfo"
    26  	STATS "github.com/cloudwego/kitex/pkg/stats"
    27  )
    28  
    29  // TestCalculateEventCost test calculate time cost of a rpc event
    30  func TestCalculateEventCost(t *testing.T) {
    31  	ri := rpcinfo.NewRPCInfo(
    32  		rpcinfo.NewEndpointInfo("client", "client_method", nil, nil),
    33  		rpcinfo.NewEndpointInfo("server", "server_method", nil, nil),
    34  		rpcinfo.NewInvocation("service", "method"),
    35  		rpcinfo.NewRPCConfig(),
    36  		rpcinfo.NewRPCStats(),
    37  	)
    38  
    39  	ctx := context.Background()
    40  	st := ri.Stats()
    41  	st.(interface{ SetLevel(STATS.Level) }).SetLevel(STATS.LevelBase)
    42  
    43  	rpcinfo.Record(ctx, ri, STATS.RPCStart, nil)
    44  	time.Sleep(time.Millisecond)
    45  	rpcinfo.Record(ctx, ri, STATS.RPCFinish, nil)
    46  	start, finish := st.GetEvent(STATS.RPCStart), st.GetEvent(STATS.RPCFinish)
    47  
    48  	test.Assert(t, CalculateEventCost(st, start.Event(), finish.Event()) > 0)
    49  }