Golang Accumulator.ValidateTaggedValue方法代码示例

func TestHaproxyGeneratesMetricsWithoutAuthentication(t *testing.T) {
	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		fmt.Fprint(w, csvOutputSample)
	}))
	defer ts.Close()

	r := &haproxy{
		Servers: []string{ts.URL},
	}

	var acc testutil.Accumulator

	err := r.Gather(&acc)
	require.NoError(t, err)

	tags := map[string]string{
		"proxy":  "be_app",
		"server": ts.Listener.Addr().String(),
		"sv":     "host0",
	}

	assert.NoError(t, acc.ValidateTaggedValue("stot", uint64(171014), tags))
	assert.NoError(t, acc.ValidateTaggedValue("scur", uint64(1), tags))
	assert.NoError(t, acc.ValidateTaggedValue("rate", uint64(3), tags))
	assert.Equal(t, true, acc.CheckValue("bin", uint64(5557055817)))
}

// Test that the proper values are ignored or collected
func TestHttpJson200(t *testing.T) {
	httpjson := genMockHttpJson(validJSON, 200)

	var acc testutil.Accumulator
	err := httpjson.Gather(&acc)
	require.NoError(t, err)

	assert.Equal(t, 8, len(acc.Points))

	for _, service := range httpjson.Services {
		for _, srv := range service.Servers {
			require.NoError(t,
				acc.ValidateTaggedValue(
					fmt.Sprintf("%s_parent_child", service.Name),
					3.0,
					map[string]string{"server": srv},
				),
			)
			require.NoError(t,
				acc.ValidateTaggedValue(
					fmt.Sprintf("%s_integer", service.Name),
					4.0,
					map[string]string{"server": srv},
				),
			)
		}
	}
}

func TestStateTag(t *testing.T) {
	d := NewMongodbData(
		&StatLine{
			StorageEngine: "",
			Time:          time.Now(),
			Insert:        0,
			Query:         0,
			NodeType:      "PRI",
		},
		tags,
	)

	stats := []string{"inserts_per_sec", "queries_per_sec"}

	stateTags := make(map[string]string)
	stateTags["state"] = "PRI"

	var acc testutil.Accumulator

	d.AddDefaultStats(&acc)

	for _, key := range stats {
		err := acc.ValidateTaggedValue(key, int64(0), stateTags)
		require.NoError(t, err)
	}
}

func TestNginxGeneratesMetrics(t *testing.T) {
	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		var rsp string

		if r.URL.Path == "/stub_status" {
			rsp = sampleResponse
		} else {
			panic("Cannot handle request")
		}

		fmt.Fprintln(w, rsp)
	}))
	defer ts.Close()

	n := &Nginx{
		Urls: []string{fmt.Sprintf("%s/stub_status", ts.URL)},
	}

	var acc testutil.Accumulator

	err := n.Gather(&acc)
	require.NoError(t, err)

	metrics := []struct {
		name  string
		value uint64
	}{
		{"active", 585},
		{"accepts", 85340},
		{"handled", 85340},
		{"requests", 35085},
		{"reading", 4},
		{"writing", 135},
		{"waiting", 446},
	}
	addr, err := url.Parse(ts.URL)
	if err != nil {
		panic(err)
	}

	host, port, err := net.SplitHostPort(addr.Host)
	if err != nil {
		host = addr.Host
		if addr.Scheme == "http" {
			port = "80"
		} else if addr.Scheme == "https" {
			port = "443"
		} else {
			port = ""
		}
	}

	tags := map[string]string{"server": host, "port": port}

	for _, m := range metrics {
		assert.NoError(t, acc.ValidateTaggedValue(m.name, m.value, tags))
	}
}

func TestReadAerospikeStatsNamespace(t *testing.T) {
	var acc testutil.Accumulator
	stats := map[string]string{
		"stat_write_errs": "12345",
		"stat_read_reqs":  "12345",
	}
	readAerospikeStats(stats, &acc, "host1", "test")

	tags := map[string]string{
		"host":      "host1",
		"namespace": "test",
	}
	for k := range stats {
		assert.True(t, acc.ValidateTaggedValue(k, int64(12345), tags) == nil)
	}
}

func TestPhpFpmGeneratesMetrics(t *testing.T) {
	//We create a fake server to return test data
	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		fmt.Fprint(w, outputSample)
	}))
	defer ts.Close()

	//Now we tested again above server, with our authentication data
	r := &phpfpm{
		Urls: []string{ts.URL},
	}

	var acc testutil.Accumulator

	err := r.Gather(&acc)
	require.NoError(t, err)

	tags := map[string]string{
		"url":  ts.Listener.Addr().String(),
		"pool": "www",
	}
	assert.NoError(t, acc.ValidateTaggedValue("accepted_conn", int64(3), tags))

	checkInt := []struct {
		name  string
		value int64
	}{
		{"accepted_conn", 3},
		{"listen_queue", 1},
		{"max_listen_queue", 0},
		{"listen_queue_len", 0},
		{"idle_processes", 1},
		{"active_processes", 1},
		{"total_processes", 2},
		{"max_active_processes", 1},
		{"max_children_reached", 2},
		{"slow_requests", 1},
	}

	for _, c := range checkInt {
		assert.Equal(t, true, acc.CheckValue(c.name, c.value))
	}
}

// Test that Gather works on a ping with no transmitted packets, even though the
// command returns an error
func TestBadPingGather(t *testing.T) {
	var acc testutil.Accumulator
	p := Ping{
		Urls:     []string{"www.amazon.com"},
		pingHost: mockErrorHostPinger,
	}

	p.Gather(&acc)
	tags := map[string]string{"url": "www.amazon.com"}
	assert.NoError(t, acc.ValidateTaggedValue("packets_transmitted", 2, tags))
	assert.NoError(t, acc.ValidateTaggedValue("packets_received", 0, tags))
	assert.NoError(t, acc.ValidateTaggedValue("percent_packet_loss", 100.0, tags))
	assert.NoError(t, acc.ValidateTaggedValue("average_response_ms", 0.0, tags))
}

// Test that Gather works on a ping with lossy packets
func TestLossyPingGather(t *testing.T) {
	var acc testutil.Accumulator
	p := Ping{
		Urls:     []string{"www.google.com"},
		pingHost: mockLossyHostPinger,
	}

	p.Gather(&acc)
	tags := map[string]string{"url": "www.google.com"}
	assert.NoError(t, acc.ValidateTaggedValue("packets_transmitted", 5, tags))
	assert.NoError(t, acc.ValidateTaggedValue("packets_received", 3, tags))
	assert.NoError(t, acc.ValidateTaggedValue("percent_packet_loss", 40.0, tags))
	assert.NoError(t, acc.ValidateTaggedValue("average_response_ms", 44.033, tags))
}

// Test that the proper values are ignored or collected
func TestHttpJson200Tags(t *testing.T) {
	httpjson := genMockHttpJson(validJSONTags, 200)

	var acc testutil.Accumulator
	err := httpjson.Gather(&acc)
	require.NoError(t, err)

	assert.Equal(t, 4, len(acc.Points))

	for _, service := range httpjson.Services {
		if service.Name == "other_webapp" {
			for _, srv := range service.Servers {
				require.NoError(t,
					acc.ValidateTaggedValue(
						fmt.Sprintf("%s_value", service.Name),
						15.0,
						map[string]string{"server": srv, "role": "master", "build": "123"},
					),
				)
			}
		}
	}
}

func TestElasticsearch(t *testing.T) {
	es := NewElasticsearch()
	es.Servers = []string{"http://example.com:9200"}
	es.client.Transport = newTransportMock(http.StatusOK, statsResponse)

	var acc testutil.Accumulator
	if err := es.Gather(&acc); err != nil {
		t.Fatal(err)
	}

	tags := map[string]string{
		"cluster_name":          "es-testcluster",
		"node_attribute_master": "true",
		"node_id":               "SDFsfSDFsdfFSDSDfSFDSDF",
		"node_name":             "test.host.com",
		"node_host":             "test",
	}

	testTables := []map[string]float64{
		indicesExpected,
		osExpected,
		processExpected,
		jvmExpected,
		threadPoolExpected,
		networkExpected,
		fsExpected,
		transportExpected,
		httpExpected,
		breakersExpected,
	}

	for _, testTable := range testTables {
		for k, v := range testTable {
			assert.NoError(t, acc.ValidateTaggedValue(k, v, tags))
		}
	}
}

func TestGather(t *testing.T) {
	mockServer, err := mockTwemproxyServer()
	if err != nil {
		panic(err)
	}
	defer mockServer.Close()

	twemproxy := &Twemproxy{
		Instances: []TwemproxyInstance{
			TwemproxyInstance{
				Addr:  sampleAddr,
				Pools: []string{"demo"},
			},
		},
	}

	var acc testutil.Accumulator
	err = twemproxy.Instances[0].Gather(&acc)
	require.NoError(t, err)

	var sourceData map[string]interface{}
	if err := json.Unmarshal([]byte(sampleStats), &sourceData); err != nil {
		panic(err)
	}

	metrics := []string{"total_connections", "curr_connections", "timestamp"}
	tags := map[string]string{
		"twemproxy": sampleAddr,
		"source":    sourceData["source"].(string),
	}
	for _, m := range metrics {
		assert.NoError(t, acc.ValidateTaggedValue(m, sourceData[m].(float64), tags))
	}

	poolName := "demo"
	poolMetrics := []string{
		"client_connections", "forward_error", "client_err", "server_ejects",
		"fragments", "client_eof",
	}
	tags["pool"] = poolName
	poolData := sourceData[poolName].(map[string]interface{})
	for _, m := range poolMetrics {
		measurement := poolName + "_" + m
		assert.NoError(t, acc.ValidateTaggedValue(measurement, poolData[m].(float64), tags))
	}
	poolServers := []string{"10.16.29.1:6379", "10.16.29.2:6379"}
	for _, s := range poolServers {
		tags["server"] = s
		serverData := poolData[s].(map[string]interface{})
		for k, v := range serverData {
			measurement := poolName + "_" + k
			assert.NoError(t, acc.ValidateTaggedValue(measurement, v, tags))
		}
	}
}

func TestHaproxyGeneratesMetricsWithAuthentication(t *testing.T) {
	//We create a fake server to return test data
	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		username, password, ok := r.BasicAuth()
		if !ok {
			w.WriteHeader(http.StatusNotFound)
			fmt.Fprint(w, "Unauthorized")
			return
		}

		if username == "user" && password == "password" {
			fmt.Fprint(w, csvOutputSample)
		} else {
			w.WriteHeader(http.StatusNotFound)
			fmt.Fprint(w, "Unauthorized")
		}
	}))
	defer ts.Close()

	//Now we tested again above server, with our authentication data
	r := &haproxy{
		Servers: []string{strings.Replace(ts.URL, "http://", "http://user:[email protected]", 1)},
	}

	var acc testutil.Accumulator

	err := r.Gather(&acc)
	require.NoError(t, err)

	tags := map[string]string{
		"server": ts.Listener.Addr().String(),
		"proxy":  "be_app",
		"sv":     "host0",
	}

	assert.NoError(t, acc.ValidateTaggedValue("stot", uint64(171014), tags))

	checkInt := []struct {
		name  string
		value uint64
	}{

		{"qmax", 81},
		{"scur", 288},
		{"smax", 713},
		{"bin", 5557055817},
		{"bout", 24096715169},
		{"dreq", 1102},
		{"dresp", 80},
		{"ereq", 95740},
		{"econ", 0},
		{"eresp", 0},
		{"wretr", 17},
		{"wredis", 19},
		{"active_servers", 1},
		{"backup_servers", 0},
		{"downtime", 0},
		{"throttle", 13},
		{"lbtot", 114},
		{"rate", 18},
		{"rate_max", 102},
		{"check_duration", 1},
		{"http_response.1xx", 0},
		{"http_response.2xx", 1314093},
		{"http_response.3xx", 537036},
		{"http_response.4xx", 123452},
		{"http_response.5xx", 11966},
		{"req_rate", 35},
		{"req_rate_max", 140},
		{"req_tot", 1987928},
		{"cli_abort", 0},
		{"srv_abort", 0},
		{"qtime", 0},
		{"ctime", 2},
		{"rtime", 23},
		{"ttime", 545},
	}

	for _, c := range checkInt {
		assert.Equal(t, true, acc.CheckValue(c.name, c.value))
	}

	//Here, we should get error because we don't pass authentication data
	r = &haproxy{
		Servers: []string{ts.URL},
	}

	err = r.Gather(&acc)
	require.Error(t, err)
}

//.........这里部分代码省略.........
	assertContainsTaggedFloat(t, acc, "percentageIdle", 78.7699, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageNice", 1.2, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageIowait", 0.5, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageIrq", 1.1, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageSoftirq", 0.2, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageSteal", 0.0001, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageGuest", 4.8, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageGuestNice", 2.2, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageStolen", 0.23, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageBusy", 21.2301, 0.0005, cputags)

	err = (&DiskStats{&mps}).Gather(&acc)
	require.NoError(t, err)

	tags := map[string]string{
		"path":   "/",
		"fstype": "ext4",
	}

	assert.True(t, acc.CheckTaggedValue("total", uint64(128), tags))
	assert.True(t, acc.CheckTaggedValue("used", uint64(105), tags))
	assert.True(t, acc.CheckTaggedValue("free", uint64(23), tags))
	assert.True(t, acc.CheckTaggedValue("inodes_total", uint64(1234), tags))
	assert.True(t, acc.CheckTaggedValue("inodes_free", uint64(234), tags))
	assert.True(t, acc.CheckTaggedValue("inodes_used", uint64(1000), tags))

	err = (&NetIOStats{ps: &mps, skipChecks: true}).Gather(&acc)
	require.NoError(t, err)

	ntags := map[string]string{
		"interface": "eth0",
	}

	assert.NoError(t, acc.ValidateTaggedValue("bytes_sent", uint64(1123), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("bytes_recv", uint64(8734422), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("packets_sent", uint64(781), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("packets_recv", uint64(23456), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("err_in", uint64(832), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("err_out", uint64(8), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("drop_in", uint64(7), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("drop_out", uint64(1), ntags))

	err = (&DiskIOStats{&mps}).Gather(&acc)
	require.NoError(t, err)

	dtags := map[string]string{
		"name":   "sda1",
		"serial": "ab-123-ad",
	}

	assert.True(t, acc.CheckTaggedValue("reads", uint64(888), dtags))
	assert.True(t, acc.CheckTaggedValue("writes", uint64(5341), dtags))
	assert.True(t, acc.CheckTaggedValue("read_bytes", uint64(100000), dtags))
	assert.True(t, acc.CheckTaggedValue("write_bytes", uint64(200000), dtags))
	assert.True(t, acc.CheckTaggedValue("read_time", uint64(7123), dtags))
	assert.True(t, acc.CheckTaggedValue("write_time", uint64(9087), dtags))
	assert.True(t, acc.CheckTaggedValue("io_time", uint64(123552), dtags))

	err = (&MemStats{&mps}).Gather(&acc)
	require.NoError(t, err)

	vmtags := map[string]string(nil)

	assert.True(t, acc.CheckTaggedValue("total", uint64(12400), vmtags))
	assert.True(t, acc.CheckTaggedValue("available", uint64(7600), vmtags))
	assert.True(t, acc.CheckTaggedValue("used", uint64(5000), vmtags))

//.........这里部分代码省略.........
		"path":   "/home",
		"fstype": "ext4",
	}

	assert.True(t, acc.CheckTaggedValue("total", uint64(128), tags1))
	assert.True(t, acc.CheckTaggedValue("used", uint64(105), tags1))
	assert.True(t, acc.CheckTaggedValue("free", uint64(23), tags1))
	assert.True(t, acc.CheckTaggedValue("inodes_total", uint64(1234), tags1))
	assert.True(t, acc.CheckTaggedValue("inodes_free", uint64(234), tags1))
	assert.True(t, acc.CheckTaggedValue("inodes_used", uint64(1000), tags1))
	assert.True(t, acc.CheckTaggedValue("total", uint64(256), tags2))
	assert.True(t, acc.CheckTaggedValue("used", uint64(210), tags2))
	assert.True(t, acc.CheckTaggedValue("free", uint64(46), tags2))
	assert.True(t, acc.CheckTaggedValue("inodes_total", uint64(2468), tags2))
	assert.True(t, acc.CheckTaggedValue("inodes_free", uint64(468), tags2))
	assert.True(t, acc.CheckTaggedValue("inodes_used", uint64(2000), tags2))

	// We expect 6 more DiskPoints to show up with an explicit match on "/"
	// and /home not matching the /dev in Mountpoints
	err = (&DiskStats{ps: &mps, Mountpoints: []string{"/", "/dev"}}).Gather(&acc)
	assert.Equal(t, preDiskPoints+expectedAllDiskPoints+6, len(acc.Points))

	// We should see all the diskpoints as Mountpoints includes both
	// / and /home
	err = (&DiskStats{ps: &mps, Mountpoints: []string{"/", "/home"}}).Gather(&acc)
	assert.Equal(t, preDiskPoints+2*expectedAllDiskPoints+6, len(acc.Points))

	err = (&NetIOStats{ps: &mps, skipChecks: true}).Gather(&acc)
	require.NoError(t, err)

	ntags := map[string]string{
		"interface": "eth0",
	}

	assert.NoError(t, acc.ValidateTaggedValue("bytes_sent", uint64(1123), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("bytes_recv", uint64(8734422), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("packets_sent", uint64(781), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("packets_recv", uint64(23456), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("err_in", uint64(832), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("err_out", uint64(8), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("drop_in", uint64(7), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("drop_out", uint64(1), ntags))

	err = (&DiskIOStats{&mps}).Gather(&acc)
	require.NoError(t, err)

	dtags := map[string]string{
		"name":   "sda1",
		"serial": "ab-123-ad",
	}

	assert.True(t, acc.CheckTaggedValue("reads", uint64(888), dtags))
	assert.True(t, acc.CheckTaggedValue("writes", uint64(5341), dtags))
	assert.True(t, acc.CheckTaggedValue("read_bytes", uint64(100000), dtags))
	assert.True(t, acc.CheckTaggedValue("write_bytes", uint64(200000), dtags))
	assert.True(t, acc.CheckTaggedValue("read_time", uint64(7123), dtags))
	assert.True(t, acc.CheckTaggedValue("write_time", uint64(9087), dtags))
	assert.True(t, acc.CheckTaggedValue("io_time", uint64(123552), dtags))

	err = (&MemStats{&mps}).Gather(&acc)
	require.NoError(t, err)

	vmtags := map[string]string(nil)

	assert.True(t, acc.CheckTaggedValue("total", uint64(12400), vmtags))
	assert.True(t, acc.CheckTaggedValue("available", uint64(7600), vmtags))
	assert.True(t, acc.CheckTaggedValue("used", uint64(5000), vmtags))
	assert.True(t, acc.CheckTaggedValue("available_percent",
		float64(7600)/float64(12400)*100,
		vmtags))
	assert.True(t, acc.CheckTaggedValue("used_percent",
		float64(5000)/float64(12400)*100,
		vmtags))
	assert.True(t, acc.CheckTaggedValue("free", uint64(1235), vmtags))

	acc.Points = nil

	err = (&SwapStats{&mps}).Gather(&acc)
	require.NoError(t, err)

	swaptags := map[string]string(nil)

	assert.NoError(t, acc.ValidateTaggedValue("total", uint64(8123), swaptags))
	assert.NoError(t, acc.ValidateTaggedValue("used", uint64(1232), swaptags))
	assert.NoError(t, acc.ValidateTaggedValue("used_percent", float64(12.2), swaptags))
	assert.NoError(t, acc.ValidateTaggedValue("free", uint64(6412), swaptags))
	assert.NoError(t, acc.ValidateTaggedValue("in", uint64(7), swaptags))
	assert.NoError(t, acc.ValidateTaggedValue("out", uint64(830), swaptags))

	acc.Points = nil

	err = (&NetStats{&mps}).Gather(&acc)
	require.NoError(t, err)
	netstattags := map[string]string(nil)

	assert.NoError(t, acc.ValidateTaggedValue("tcp_established", 2, netstattags))
	assert.NoError(t, acc.ValidateTaggedValue("tcp_close", 1, netstattags))
	assert.NoError(t, acc.ValidateTaggedValue("udp_socket", 1, netstattags))

}

//.........这里部分代码省略.........
	assertContainsTaggedFloat(t, acc, "iowait", 0.7, 0, cputags)
	assertContainsTaggedFloat(t, acc, "irq", 1.2, 0, cputags)
	assertContainsTaggedFloat(t, acc, "softirq", 0.31, 0, cputags)
	assertContainsTaggedFloat(t, acc, "steal", 0.0002, 0, cputags)
	assertContainsTaggedFloat(t, acc, "guest", 12.9, 0, cputags)
	assertContainsTaggedFloat(t, acc, "guestNice", 2.524, 0, cputags)
	assertContainsTaggedFloat(t, acc, "stolen", 0.281, 0, cputags)
	assertContainsTaggedFloat(t, acc, "busy", 42.7152, 0.0005, cputags)

	assertContainsTaggedFloat(t, acc, "percentageUser", 8.3, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageSystem", 2.7, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageIdle", 78.7699, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageNice", 1.2, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageIowait", 0.5, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageIrq", 1.1, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageSoftirq", 0.2, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageSteal", 0.0001, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageGuest", 4.8, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageGuestNice", 2.2, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageStolen", 0.23, 0.0005, cputags)
	assertContainsTaggedFloat(t, acc, "percentageBusy", 21.2301, 0.0005, cputags)

	err = (&DiskStats{&mps}).Gather(&acc)
	require.NoError(t, err)

	tags := map[string]string{
		"path":   "/",
		"fstype": "ext4",
	}

	assert.True(t, acc.CheckTaggedValue("total", uint64(128), tags))
	assert.True(t, acc.CheckTaggedValue("used", uint64(105), tags))
	assert.True(t, acc.CheckTaggedValue("free", uint64(23), tags))
	assert.True(t, acc.CheckTaggedValue("inodes_total", uint64(1234), tags))
	assert.True(t, acc.CheckTaggedValue("inodes_free", uint64(234), tags))
	assert.True(t, acc.CheckTaggedValue("inodes_used", uint64(1000), tags))

	err = (&NetIOStats{ps: &mps, skipChecks: true}).Gather(&acc)
	require.NoError(t, err)

	ntags := map[string]string{
		"interface": "eth0",
	}

	assert.NoError(t, acc.ValidateTaggedValue("bytes_sent", uint64(1123), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("bytes_recv", uint64(8734422), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("packets_sent", uint64(781), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("packets_recv", uint64(23456), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("err_in", uint64(832), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("err_out", uint64(8), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("drop_in", uint64(7), ntags))
	assert.NoError(t, acc.ValidateTaggedValue("drop_out", uint64(1), ntags))

	err = (&DiskIOStats{&mps}).Gather(&acc)
	require.NoError(t, err)

	dtags := map[string]string{
		"name":   "sda1",
		"serial": "ab-123-ad",
	}

	assert.True(t, acc.CheckTaggedValue("reads", uint64(888), dtags))
	assert.True(t, acc.CheckTaggedValue("writes", uint64(5341), dtags))
	assert.True(t, acc.CheckTaggedValue("read_bytes", uint64(100000), dtags))
	assert.True(t, acc.CheckTaggedValue("write_bytes", uint64(200000), dtags))
	assert.True(t, acc.CheckTaggedValue("read_time", uint64(7123), dtags))
	assert.True(t, acc.CheckTaggedValue("write_time", uint64(9087), dtags))
	assert.True(t, acc.CheckTaggedValue("io_time", uint64(123552), dtags))

	err = (&MemStats{&mps}).Gather(&acc)
	require.NoError(t, err)

	vmtags := map[string]string(nil)

	assert.True(t, acc.CheckTaggedValue("total", uint64(12400), vmtags))
	assert.True(t, acc.CheckTaggedValue("available", uint64(7600), vmtags))
	assert.True(t, acc.CheckTaggedValue("used", uint64(5000), vmtags))
	assert.True(t, acc.CheckTaggedValue("used_perc", float64(47.1), vmtags))
	assert.True(t, acc.CheckTaggedValue("free", uint64(1235), vmtags))
	assert.True(t, acc.CheckTaggedValue("active", uint64(8134), vmtags))
	assert.True(t, acc.CheckTaggedValue("inactive", uint64(1124), vmtags))
	assert.True(t, acc.CheckTaggedValue("buffers", uint64(771), vmtags))
	assert.True(t, acc.CheckTaggedValue("cached", uint64(4312), vmtags))
	assert.True(t, acc.CheckTaggedValue("wired", uint64(134), vmtags))
	assert.True(t, acc.CheckTaggedValue("shared", uint64(2142), vmtags))

	acc.Points = nil

	err = (&SwapStats{&mps}).Gather(&acc)
	require.NoError(t, err)

	swaptags := map[string]string(nil)

	assert.NoError(t, acc.ValidateTaggedValue("total", uint64(8123), swaptags))
	assert.NoError(t, acc.ValidateTaggedValue("used", uint64(1232), swaptags))
	assert.NoError(t, acc.ValidateTaggedValue("used_perc", float64(12.2), swaptags))
	assert.NoError(t, acc.ValidateTaggedValue("free", uint64(6412), swaptags))
	assert.NoError(t, acc.ValidateTaggedValue("in", uint64(7), swaptags))
	assert.NoError(t, acc.ValidateTaggedValue("out", uint64(830), swaptags))
}