github.com/m3db/m3@v1.5.0/src/x/instrument/option_test.go (about)

     1  // Copyright (c) 2021 Uber Technologies, Inc.
     2  //
     3  // Permission is hereby granted, free of charge, to any person obtaining a copy
     4  // of this software and associated documentation files (the "Software"), to deal
     5  // in the Software without restriction, including without limitation the rights
     6  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     7  // copies of the Software, and to permit persons to whom the Software is
     8  // furnished to do so, subject to the following conditions:
     9  //
    10  // The above copyright notice and this permission notice shall be included in
    11  // all copies or substantial portions of the Software.
    12  //
    13  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    14  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    15  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    16  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    17  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    18  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    19  // THE SOFTWARE.
    20  
    21  package instrument
    22  
    23  import (
    24  	"testing"
    25  
    26  	"github.com/stretchr/testify/require"
    27  	"github.com/uber-go/tally"
    28  	"go.uber.org/zap"
    29  	"go.uber.org/zap/zapcore"
    30  	"go.uber.org/zap/zaptest/observer"
    31  )
    32  
    33  func TestScopeAndLoggerTagged(t *testing.T) {
    34  	core, recorded := observer.New(zapcore.InfoLevel)
    35  	iOpts := NewOptions().
    36  		SetMetricsScope(tally.NewTestScope("", map[string]string{})).
    37  		SetLogger(zap.New(core))
    38  	iOpts = WithOptions(iOpts, WithScopeAndLoggerTagged("k", "v"))
    39  
    40  	// Make sure the metric has tag k:v.
    41  	iOpts.MetricsScope().Counter("a").Inc(1)
    42  
    43  	ss := iOpts.MetricsScope().(tally.TestScope).Snapshot()
    44  	counters, ok := ss.Counters()["a+k=v"]
    45  	require.True(t, ok)
    46  	require.Equal(t, map[string]string{"k": "v"}, counters.Tags())
    47  
    48  	// Make sure the log has tag k:v.
    49  	iOpts.Logger().Info("b")
    50  
    51  	require.Len(t, recorded.All(), 1)
    52  	require.Len(t, recorded.FilterField(
    53  		zap.String("k", "v"),
    54  	).All(), 1)
    55  }