github.com/cloudwego/hertz@v0.9.3/internal/stats/stats_util_test.go (about)

     1  /*
     2   * Copyright 2022 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 stats
    18  
    19  import (
    20  	"testing"
    21  	"time"
    22  
    23  	"github.com/cloudwego/hertz/pkg/common/test/assert"
    24  	"github.com/cloudwego/hertz/pkg/common/tracer/stats"
    25  	"github.com/cloudwego/hertz/pkg/common/tracer/traceinfo"
    26  )
    27  
    28  func TestUtil(t *testing.T) {
    29  	assert.Assert(t, CalcEventCostUs(nil, nil) == 0)
    30  
    31  	ti := traceinfo.NewTraceInfo()
    32  
    33  	// nil context
    34  	Record(ti, stats.HTTPStart, nil)
    35  	Record(ti, stats.HTTPFinish, nil)
    36  
    37  	st := ti.Stats()
    38  	assert.Assert(t, st != nil)
    39  
    40  	s, e := st.GetEvent(stats.HTTPStart), st.GetEvent(stats.HTTPFinish)
    41  	assert.Assert(t, s == nil)
    42  	assert.Assert(t, e == nil)
    43  
    44  	// stats disabled
    45  	Record(ti, stats.HTTPStart, nil)
    46  	time.Sleep(time.Millisecond)
    47  	Record(ti, stats.HTTPFinish, nil)
    48  
    49  	st = ti.Stats()
    50  	assert.Assert(t, st != nil)
    51  
    52  	s, e = st.GetEvent(stats.HTTPStart), st.GetEvent(stats.HTTPFinish)
    53  	assert.Assert(t, s == nil)
    54  	assert.Assert(t, e == nil)
    55  
    56  	// stats enabled
    57  	st = ti.Stats()
    58  	st.(interface{ SetLevel(stats.Level) }).SetLevel(stats.LevelBase)
    59  
    60  	Record(ti, stats.HTTPStart, nil)
    61  	time.Sleep(time.Millisecond)
    62  	Record(ti, stats.HTTPFinish, nil)
    63  
    64  	s, e = st.GetEvent(stats.HTTPStart), st.GetEvent(stats.HTTPFinish)
    65  	assert.Assert(t, s != nil, s)
    66  	assert.Assert(t, e != nil, e)
    67  	assert.Assert(t, CalcEventCostUs(s, e) > 0)
    68  }