Merge pull request 'micro v4 options fix' (#115) from options into master

Reviewed-on: #115

.github/dependabot.yml

@@ -0,0 +1,19 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://help.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
+
+  # Maintain dependencies for Golang
+  - package-ecosystem: "gomod"
+    directory: "/"
+    schedule:
+      interval: "daily"

.github/renovate.json

@@ -1,19 +0,0 @@
-{
-  "extends": [
-    "config:base"
-  ],
-  "packageRules": [
-    {
-      "matchUpdateTypes": ["minor", "patch", "pin", "digest"],
-      "automerge": true
-    },
-    {
-      "groupName": "all deps",
-      "separateMajorMinor": true,
-      "groupSlug": "all",
-      "packagePatterns": [
-        "*"
-      ]
-    }
-  ]
-}

.github/stale.sh

@@ -1,13 +0,0 @@
-#!/bin/bash -ex
-
-export PATH=$PATH:$(pwd)/bin
-export GO111MODULE=on
-export GOBIN=$(pwd)/bin
-
-#go get github.com/rvflash/goup@v0.4.1
-
-#goup -v ./...
-#go get github.com/psampaz/go-mod-outdated@v0.6.0
-go list -u -m -mod=mod -json all | go-mod-outdated -update -direct -ci || true
-
-#go list -u -m -json all | go-mod-outdated -update

.github/workflows/autoapprove.yml

@@ -0,0 +1,20 @@
+name: "autoapprove"
+
+on:
+  pull_request_target:
+    types: [assigned, opened, synchronize, reopened]
+
+permissions:
+  pull-requests: write
+  contents: write
+
+jobs:
+  autoapprove:
+    runs-on: ubuntu-latest
+    steps:
+      - name: approve
+        uses: hmarr/auto-approve-action@v2
+        if: github.actor == 'vtolstov' || github.actor == 'dependabot[bot]'
+        id: approve
+        with:
+          github-token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/automerge.yml

@@ -0,0 +1,21 @@
+name: "automerge"
+
+on:
+  pull_request_target:
+    types: [assigned, opened, synchronize, reopened]
+
+permissions:
+  pull-requests: write
+  contents: write
+
+jobs:
+  automerge:
+    runs-on: ubuntu-latest
+    if: github.actor == 'vtolstov'
+    steps:
+      - name: merge
+        id: merge
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.TOKEN}}

.github/workflows/build.yml

@@ -3,6 +3,7 @@ on:
  push:
     branches:
     - master
+    - v3
 jobs:
   test:
     name: test
@@ -11,9 +12,9 @@ jobs:
     - name: setup
       uses: actions/setup-go@v2
       with:
-        go-version: 1.15
+        go-version: 1.16
     - name: checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
     - name: cache
       uses: actions/cache@v2
       with:
@@ -31,9 +32,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: lint
-        uses: golangci/golangci-lint-action@v2
+        uses: golangci/golangci-lint-action@v3.1.0
         continue-on-error: true
         with:
           # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.

.github/workflows/codeql-analysis.yml

@@ -0,0 +1,78 @@
+# For most projects, this workflow file will not need changing; you simply need
+# to commit it to your repository.
+#
+# You may wish to alter this file to override the set of languages analyzed,
+# or to provide custom queries or build logic.
+#
+# ******** NOTE ********
+# We have attempted to detect the languages in your repository. Please check
+# the `language` matrix defined below to confirm you have the correct set of
+# supported CodeQL languages.
+#
+name: "codeql"
+
+on:
+  workflow_run:
+    workflows: ["prbuild"]
+    types:
+      - completed
+  push:
+    branches: [ master, v3 ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ master, v3 ]
+  schedule:
+    - cron: '34 1 * * 0'
+
+jobs:
+  analyze:
+    name: analyze
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [ 'go' ]
+        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python' ]
+        # Learn more:
+        # https://docs.github.com/en/free-pro-team@latest/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#changing-the-languages-that-are-analyzed
+
+    steps:
+    - name: checkout
+      uses: actions/checkout@v3
+    - name: setup
+      uses: actions/setup-go@v2
+      with:
+        go-version: 1.16
+    # Initializes the CodeQL tools for scanning.
+    - name: init
+      uses: github/codeql-action/init@v1
+      with:
+        languages: ${{ matrix.language }}
+        # If you wish to specify custom queries, you can do so here or in a config file.
+        # By default, queries listed here will override any specified in a config file.
+        # Prefix the list here with "+" to use these queries and those in the config file.
+        # queries: ./path/to/local/query, your-org/your-repo/queries@main
+
+    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
+    # If this step fails, then you should remove it and run the build manually (see below)
+    - name: autobuild
+      uses: github/codeql-action/autobuild@v1
+
+    # ℹ️ Command-line programs to run using the OS shell.
+    # 📚 https://git.io/JvXDl
+
+    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
+    #    and modify them (or add more) to build your code if your project
+    #    uses a compiled language
+
+    #- run: |
+    #   make bootstrap
+    #   make release
+
+    - name: analyze
+      uses: github/codeql-action/analyze@v1

.github/workflows/dependabot-automerge.yml

@@ -0,0 +1,27 @@
+name: "dependabot-automerge"
+
+on:
+  pull_request_target:
+    types: [assigned, opened, synchronize, reopened]
+
+permissions:
+  pull-requests: write
+  contents: write
+
+jobs:
+  automerge:
+    runs-on: ubuntu-latest
+    if: github.actor == 'dependabot[bot]'
+    steps:
+      - name: metadata
+        id: metadata
+        uses: dependabot/fetch-metadata@v1.3.0
+        with:
+          github-token: "${{ secrets.TOKEN }}"
+      - name: merge
+        id: merge
+        if: ${{contains(steps.metadata.outputs.dependency-names, 'go.unistack.org')}}
+        run: gh pr merge --auto --merge "$PR_URL"
+        env:
+          PR_URL: ${{github.event.pull_request.html_url}}
+          GITHUB_TOKEN: ${{secrets.TOKEN}}

.github/workflows/pr.yml

@@ -3,6 +3,7 @@ on:
   pull_request:
     branches:
     - master
+    - v3
 jobs:
   test:
     name: test
@@ -11,9 +12,9 @@ jobs:
     - name: setup
       uses: actions/setup-go@v2
       with:
-        go-version: 1.15
+        go-version: 1.16
     - name: checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
     - name: cache
       uses: actions/cache@v2
       with:
@@ -31,9 +32,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: lint
-        uses: golangci/golangci-lint-action@v2
+        uses: golangci/golangci-lint-action@v3.1.0
         continue-on-error: true
         with:
           # Required: the version of golangci-lint is required and must be specified without patch version: we always use the latest patch version.

go.mod

@@ -1,8 +1,14 @@
-module github.com/unistack-org/micro-meter-victoriametrics/v3
+module go.unistack.org/micro-meter-victoriametrics/v4
 
-go 1.13
+go 1.20
 
 require (
-	github.com/VictoriaMetrics/metrics v1.14.0
-	github.com/unistack-org/micro/v3 v3.2.14
+	github.com/VictoriaMetrics/metrics v1.24.0
+	go.unistack.org/micro/v4 v4.0.7
+)
+
+require (
+	github.com/valyala/fastrand v1.1.0 // indirect
+	github.com/valyala/histogram v1.2.0 // indirect
+	golang.org/x/sys v0.11.0 // indirect
 )

go.sum

@@ -1,32 +1,13 @@
-github.com/VictoriaMetrics/metrics v1.14.0 h1:yvyEVo7cPN2Hv+Hrm1zPTA1f/squmEZTq6xtPH/8F64=
-github.com/VictoriaMetrics/metrics v1.14.0/go.mod h1:Z1tSfPfngDn12bTfZSCqArT3OPY3u88J12hSoOhuiRE=
-github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
-github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
-github.com/ef-ds/deque v1.0.4/go.mod h1:gXDnTC3yqvBcHbq2lcExjtAcVrOnJCbMcZXmuj8Z4tg=
-github.com/go-test/deep v1.0.7/go.mod h1:QV8Hv/iy04NyLBxAdO9njL0iVPN1S4d/A3NVv1V36o8=
-github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/google/uuid v1.2.0 h1:qJYtXnJRWmpe7m/3XlyhrsLrEURqHRM2kxzoxXqyUDs=
-github.com/google/uuid v1.2.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/heimdalr/dag v1.0.1/go.mod h1:t+ZkR+sjKL4xhlE1B9rwpvwfo+x+2R0363efS+Oghns=
-github.com/imdario/mergo v0.3.11/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA=
-github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
-github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
-github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
-github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
-github.com/patrickmn/go-cache v2.1.0+incompatible h1:HRMgzkcYKYpi3C8ajMPV8OFXaaRUnok+kx1WdO15EQc=
-github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ=
-github.com/silas/dag v0.0.0-20210121180416-41cf55125c34/go.mod h1:7RTUFBdIRC9nZ7/3RyRNH1bdqIShrDejd1YbLwgPS+I=
-github.com/unistack-org/micro/v3 v3.2.14 h1:BD7JR2W0WlJvJgHN3uPWrE/vNAGyxhIQrIODeDCfoSk=
-github.com/unistack-org/micro/v3 v3.2.14/go.mod h1:3j13mSd/rILNjyP0tEVtDxyDkJBtnHUXShNCuPHkC5A=
-github.com/valyala/fastrand v1.0.0 h1:LUKT9aKer2dVQNUi3waewTbKV+7H17kvWFNKs2ObdkI=
-github.com/valyala/fastrand v1.0.0/go.mod h1:HWqCzkrkg6QXT8V2EXWvXCoow7vLwOFN002oeRzjapQ=
-github.com/valyala/histogram v1.1.2 h1:vOk5VrGjMBIoPR5k6wA8vBaC8toeJ8XO0yfRjFEc1h8=
-github.com/valyala/histogram v1.1.2/go.mod h1:CZAr6gK9dbD7hYx2s8WSPh0p5x5wETjC+2b3PJVtEdg=
-golang.org/x/net v0.0.0-20210119194325-5f4716e94777/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
-golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
-golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+github.com/VictoriaMetrics/metrics v1.23.1 h1:/j8DzeJBxSpL2qSIdqnRFLvQQhbJyJbbEi22yMm7oL0=
+github.com/VictoriaMetrics/metrics v1.24.0 h1:ILavebReOjYctAGY5QU2F9X0MYvkcrG3aEn2RKa1Zkw=
+github.com/VictoriaMetrics/metrics v1.24.0/go.mod h1:eFT25kvsTidQFHb6U0oa0rTrDRdz4xTYjpL8+UPohys=
+github.com/valyala/fastrand v1.1.0 h1:f+5HkLW4rsgzdNoleUOB69hyT9IlD2ZQh9GyDMfb5G8=
+github.com/valyala/fastrand v1.1.0/go.mod h1:HWqCzkrkg6QXT8V2EXWvXCoow7vLwOFN002oeRzjapQ=
+github.com/valyala/histogram v1.2.0 h1:wyYGAZZt3CpwUiIb9AU/Zbllg1llXyrtApRS815OLoQ=
+github.com/valyala/histogram v1.2.0/go.mod h1:Hb4kBwb4UxsaNbbbh+RRz8ZR6pdodR57tzWUS3BUzXY=
+go.unistack.org/micro/v4 v4.0.1 h1:xo1IxbVfgh8i0eY0VeYa3cbb13u5n/Mxnp3FOgWD4Jo=
+go.unistack.org/micro/v4 v4.0.1/go.mod h1:p/J5UcSJjfHsWGT31uKoghQ5rUQZzQJBAFy+Z4+ZVMs=
+go.unistack.org/micro/v4 v4.0.7 h1:2lwtZlHcSwgkahhFbkI4x1lOS79lw8uLHtcEhlFF+AM=
+go.unistack.org/micro/v4 v4.0.7/go.mod h1:bVEYTlPi0EsdgZZt311bIroDg9ict7ky3C87dSCCAGk=
+golang.org/x/sys v0.11.0 h1:eG7RXZHdqOJ1i+0lgLgCpSXAp6M3LYlAo6osgSi0xOM=
+golang.org/x/sys v0.11.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=

victoriametrics.go

@@ -2,11 +2,11 @@ package victoriametrics
 
 import (
 	"io"
-	"strings"
 	"time"
 
 	"github.com/VictoriaMetrics/metrics"
-	"github.com/unistack-org/micro/v3/meter"
+	"go.unistack.org/micro/v4/meter"
+	"go.unistack.org/micro/v4/options"
 )
 
 type victoriametricsMeter struct {
@@ -14,7 +14,7 @@ type victoriametricsMeter struct {
 	opts meter.Options
 }
 
-func NewMeter(opts ...meter.Option) meter.Meter {
+func NewMeter(opts ...options.Option) meter.Meter {
 	return &victoriametricsMeter{set: metrics.NewSet(), opts: meter.NewOptions(opts...)}
 }
 
@@ -22,74 +22,73 @@ func (r *victoriametricsMeter) Name() string {
 	return r.opts.Name
 }
 
-func (r *victoriametricsMeter) buildName(name string, opts ...meter.Option) string {
-	var b strings.Builder
-
+func (r *victoriametricsMeter) Clone(opts ...options.Option) meter.Meter {
 	options := r.opts
 	for _, o := range opts {
 		o(&options)
 	}
+	return &victoriametricsMeter{set: r.set, opts: options}
+}
 
-	if len(options.MetricPrefix) > 0 {
-		_, _ = b.WriteString(options.MetricPrefix)
-	}
-	labelPrefix := false
-	if len(options.LabelPrefix) > 0 {
-		labelPrefix = true
-	}
-	_, _ = b.WriteString(name)
-	if options.Labels.Len() > 0 {
-		_, _ = b.WriteRune('{')
-		iter := options.Labels.Iter()
-		var k, v string
-		for idx := 0; iter.Next(&k, &v); idx++ {
-			if idx > 0 {
-				_, _ = b.WriteRune(',')
-			}
-			if labelPrefix {
-				_, _ = b.WriteString(options.LabelPrefix)
-			}
-			_, _ = b.WriteString(k)
-			_, _ = b.WriteString(`="`)
-			_, _ = b.WriteString(v)
-			_, _ = b.WriteString(`"`)
-		}
-		_, _ = b.WriteRune('}')
+func (r *victoriametricsMeter) buildName(name string, labels ...string) string {
+	if len(r.opts.MetricPrefix) > 0 {
+		name = r.opts.MetricPrefix + name
 	}
 
-	return b.String()
+	nl := len(r.opts.Labels) + len(labels)
+	if nl == 0 {
+		return name
+	}
+
+	nlabels := make([]string, 0, nl)
+	nlabels = append(nlabels, r.opts.Labels...)
+	nlabels = append(nlabels, labels...)
+
+	if len(r.opts.LabelPrefix) == 0 {
+		return meter.BuildName(name, nlabels...)
+	}
+
+	for idx := 0; idx < nl; idx++ {
+		nlabels[idx] = r.opts.LabelPrefix + nlabels[idx]
+		idx++
+	}
+	return meter.BuildName(name, nlabels...)
 }
 
-func (r *victoriametricsMeter) Counter(name string, opts ...meter.Option) meter.Counter {
-	return r.set.GetOrCreateCounter(r.buildName(name, opts...))
+func (r *victoriametricsMeter) Counter(name string, labels ...string) meter.Counter {
+	return r.set.GetOrCreateCounter(r.buildName(name, labels...))
 }
 
-func (r *victoriametricsMeter) FloatCounter(name string, opts ...meter.Option) meter.FloatCounter {
-	return r.set.GetOrCreateFloatCounter(r.buildName(name, opts...))
+func (r *victoriametricsMeter) FloatCounter(name string, labels ...string) meter.FloatCounter {
+	return r.set.GetOrCreateFloatCounter(r.buildName(name, labels...))
 }
 
-func (r *victoriametricsMeter) Gauge(name string, f func() float64, opts ...meter.Option) meter.Gauge {
-	return r.set.GetOrCreateGauge(r.buildName(name, opts...), f)
+func (r *victoriametricsMeter) Gauge(name string, f func() float64, labels ...string) meter.Gauge {
+	return r.set.GetOrCreateGauge(r.buildName(name, labels...), f)
 }
 
-func (r *victoriametricsMeter) Histogram(name string, opts ...meter.Option) meter.Histogram {
-	return r.set.GetOrCreateHistogram(r.buildName(name, opts...))
+func (r *victoriametricsMeter) Histogram(name string, labels ...string) meter.Histogram {
+	return r.set.GetOrCreateHistogram(r.buildName(name, labels...))
 }
 
-func (r *victoriametricsMeter) Summary(name string, opts ...meter.Option) meter.Summary {
-	return r.set.GetOrCreateSummary(r.buildName(name, opts...))
+func (r *victoriametricsMeter) Summary(name string, labels ...string) meter.Summary {
+	return r.set.GetOrCreateSummary(r.buildName(name, labels...))
 }
 
-func (r *victoriametricsMeter) SummaryExt(name string, window time.Duration, quantiles []float64, opts ...meter.Option) meter.Summary {
-	return r.set.GetOrCreateSummaryExt(r.buildName(name, opts...), window, quantiles)
+func (r *victoriametricsMeter) SummaryExt(name string, window time.Duration, quantiles []float64, labels ...string) meter.Summary {
+	return r.set.GetOrCreateSummaryExt(r.buildName(name, labels...), window, quantiles)
 }
 
-func (r *victoriametricsMeter) Set(opts ...meter.Option) meter.Meter {
-	m := &victoriametricsMeter{opts: meter.NewOptions(opts...), set: metrics.NewSet()}
+func (r *victoriametricsMeter) Set(opts ...options.Option) meter.Meter {
+	m := &victoriametricsMeter{opts: r.opts}
+	for _, o := range opts {
+		o(&m.opts)
+	}
+	m.set = metrics.NewSet()
 	return m
 }
 
-func (r *victoriametricsMeter) Init(opts ...meter.Option) error {
+func (r *victoriametricsMeter) Init(opts ...options.Option) error {
 	for _, o := range opts {
 		o(&r.opts)
 	}
@@ -97,7 +96,7 @@ func (r *victoriametricsMeter) Init(opts ...meter.Option) error {
 	return nil
 }
 
-func (r *victoriametricsMeter) Write(w io.Writer, opts ...meter.Option) error {
+func (r *victoriametricsMeter) Write(w io.Writer, opts ...options.Option) error {
 	options := r.opts
 	for _, o := range opts {
 		o(&options)

victoriametrics_test.go

@@ -1,31 +1,31 @@
 package victoriametrics
 
 import (
+	"bytes"
 	"context"
 	"testing"
 
-	"github.com/unistack-org/micro/v3/client"
-	"github.com/unistack-org/micro/v3/codec"
-	"github.com/unistack-org/micro/v3/meter"
-	"github.com/unistack-org/micro/v3/meter/wrapper"
+	"go.unistack.org/micro/v4/client"
+	"go.unistack.org/micro/v4/codec"
+	"go.unistack.org/micro/v4/meter"
+	"go.unistack.org/micro/v4/meter/wrapper"
 )
 
 func TestBuildName(t *testing.T) {
 	m := NewMeter()
 	im := m.(*victoriametricsMeter)
-	check := `micro_foo{micro_aaa="b",micro_bar="baz"}`
-	name := im.buildName("foo", meter.Label("bar", "baz"), meter.Label("aaa", "b"))
+	check := `micro_foo{micro_aaa="b",micro_bar="baz",micro_ccc="d"}`
+	name := im.buildName("foo", "bar", "baz", "aaa", "b", "ccc", "d")
 	if name != check {
 		t.Fatalf("metric name error: %s != %s", name, check)
 	}
 
-	cnt := m.Counter("counter", meter.Label("key", "val"))
+	cnt := m.Counter("counter", "key", "val")
 	cnt.Inc()
-	//m.Write(os.Stdout, meter.WriteProcessMetrics(true), meter.WriteFDMetrics(true))
 }
 
 func TestWrapper(t *testing.T) {
-	m := NewMeter()
+	m := NewMeter() // meter.Labels("test_key", "test_val"))
 
 	w := wrapper.NewClientWrapper(
 		wrapper.ServiceName("svc1"),
@@ -44,5 +44,9 @@ func TestWrapper(t *testing.T) {
 	req := &codec.Frame{}
 	err := c.Call(ctx, c.NewRequest("svc2", "Service.Method", req), rsp)
 	_, _ = rsp, err
-	//m.Write(os.Stdout, meter.WriteProcessMetrics(true), meter.WriteFDMetrics(true))
+	buf := bytes.NewBuffer(nil)
+	_ = m.Write(buf, meter.WriteProcessMetrics(false), meter.WriteFDMetrics(false))
+	if !bytes.Contains(buf.Bytes(), []byte(`micro_client_request_inflight{micro_endpoint="svc2.Service.Method"} 0`)) {
+		t.Fatalf("invalid metrics output: %s", buf.Bytes())
+	}
 }