github.com/lzy4123/fabric@v2.1.1+incompatible/common/metrics/disabled/provider_test.go (about)

     1  /*
     2  Copyright IBM Corp. All Rights Reserved.
     3  
     4  SPDX-License-Identifier: Apache-2.0
     5  */
     6  
     7  package disabled_test
     8  
     9  import (
    10  	"github.com/hyperledger/fabric/common/metrics"
    11  	"github.com/hyperledger/fabric/common/metrics/disabled"
    12  	. "github.com/onsi/ginkgo"
    13  	. "github.com/onsi/gomega"
    14  )
    15  
    16  var _ = Describe("Provider", func() {
    17  	var p metrics.Provider
    18  
    19  	BeforeEach(func() {
    20  		p = &disabled.Provider{}
    21  	})
    22  
    23  	Describe("NewCounter", func() {
    24  		It("creates a no-op counter that doesn't blow up", func() {
    25  			c := p.NewCounter(metrics.CounterOpts{})
    26  			Expect(c).NotTo(BeNil())
    27  
    28  			c.Add(1)
    29  			c.With("whatever").Add(2)
    30  		})
    31  	})
    32  
    33  	Describe("NewGauge", func() {
    34  		It("creates a no-op gauge that doesn't blow up", func() {
    35  			g := p.NewGauge(metrics.GaugeOpts{})
    36  			Expect(g).NotTo(BeNil())
    37  
    38  			g.Set(1)
    39  			g.Add(1)
    40  			g.With("whatever").Set(2)
    41  			g.With("whatever").Add(2)
    42  		})
    43  	})
    44  
    45  	Describe("NewHistogram", func() {
    46  		It("creates a no-op histogram that doesn't blow up", func() {
    47  			h := p.NewHistogram(metrics.HistogramOpts{})
    48  			Expect(h).NotTo(BeNil())
    49  
    50  			h.Observe(1)
    51  			h.With("whatever").Observe(2)
    52  		})
    53  	})
    54  })