738 lines
17 KiB
Go
738 lines
17 KiB
Go
package metric
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import (
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"fmt"
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"math"
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"regexp"
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"testing"
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"time"
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"github.com/influxdata/telegraf"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestNewMetric(t *testing.T) {
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now := time.Now()
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tags := map[string]string{
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"host": "localhost",
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"datacenter": "us-east-1",
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}
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fields := map[string]interface{}{
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"usage_idle": float64(99),
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"usage_busy": float64(1),
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}
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m, err := New("cpu", tags, fields, now)
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assert.NoError(t, err)
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assert.Equal(t, telegraf.Untyped, m.Type())
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assert.Equal(t, tags, m.Tags())
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assert.Equal(t, fields, m.Fields())
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assert.Equal(t, "cpu", m.Name())
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assert.Equal(t, now, m.Time())
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assert.Equal(t, now.UnixNano(), m.UnixNano())
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}
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func TestNewErrors(t *testing.T) {
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// creating a metric with an empty name produces an error:
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m, err := New(
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"",
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map[string]string{
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"datacenter": "us-east-1",
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"mytag": "foo",
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"another": "tag",
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},
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map[string]interface{}{
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"value": float64(1),
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},
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time.Now(),
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)
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assert.Error(t, err)
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assert.Nil(t, m)
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// creating a metric with empty fields produces an error:
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m, err = New(
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"foobar",
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map[string]string{
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"datacenter": "us-east-1",
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"mytag": "foo",
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"another": "tag",
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},
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map[string]interface{}{},
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time.Now(),
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)
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assert.Error(t, err)
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assert.Nil(t, m)
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}
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func TestNewMetric_Tags(t *testing.T) {
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now := time.Now()
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tags := map[string]string{
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"host": "localhost",
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"datacenter": "us-east-1",
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}
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fields := map[string]interface{}{
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"value": float64(1),
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}
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m, err := New("cpu", tags, fields, now)
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assert.NoError(t, err)
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assert.True(t, m.HasTag("host"))
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assert.True(t, m.HasTag("datacenter"))
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m.AddTag("newtag", "foo")
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assert.True(t, m.HasTag("newtag"))
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m.RemoveTag("host")
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assert.False(t, m.HasTag("host"))
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assert.True(t, m.HasTag("newtag"))
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assert.True(t, m.HasTag("datacenter"))
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m.RemoveTag("datacenter")
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assert.False(t, m.HasTag("datacenter"))
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assert.True(t, m.HasTag("newtag"))
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assert.Equal(t, map[string]string{"newtag": "foo"}, m.Tags())
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m.RemoveTag("newtag")
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assert.False(t, m.HasTag("newtag"))
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assert.Equal(t, map[string]string{}, m.Tags())
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assert.Equal(t, "cpu value=1 "+fmt.Sprint(now.UnixNano())+"\n", m.String())
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}
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func TestSerialize(t *testing.T) {
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now := time.Now()
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tags := map[string]string{
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"datacenter": "us-east-1",
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}
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fields := map[string]interface{}{
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"value": float64(1),
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}
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m, err := New("cpu", tags, fields, now)
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assert.NoError(t, err)
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assert.Equal(t,
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[]byte("cpu,datacenter=us-east-1 value=1 "+fmt.Sprint(now.UnixNano())+"\n"),
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m.Serialize())
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m.RemoveTag("datacenter")
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assert.Equal(t,
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[]byte("cpu value=1 "+fmt.Sprint(now.UnixNano())+"\n"),
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m.Serialize())
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}
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func TestHashID(t *testing.T) {
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m, _ := New(
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"cpu",
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map[string]string{
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"datacenter": "us-east-1",
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"mytag": "foo",
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"another": "tag",
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},
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map[string]interface{}{
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"value": float64(1),
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},
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time.Now(),
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)
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hash := m.HashID()
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// adding a field doesn't change the hash:
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m.AddField("foo", int64(100))
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assert.Equal(t, hash, m.HashID())
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// removing a non-existent tag doesn't change the hash:
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m.RemoveTag("no-op")
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assert.Equal(t, hash, m.HashID())
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// adding a tag does change it:
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m.AddTag("foo", "bar")
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assert.NotEqual(t, hash, m.HashID())
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hash = m.HashID()
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// removing a tag also changes it:
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m.RemoveTag("mytag")
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assert.NotEqual(t, hash, m.HashID())
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}
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func TestHashID_Consistency(t *testing.T) {
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m, _ := New(
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"cpu",
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map[string]string{
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"datacenter": "us-east-1",
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"mytag": "foo",
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"another": "tag",
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},
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map[string]interface{}{
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"value": float64(1),
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},
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time.Now(),
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)
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hash := m.HashID()
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for i := 0; i < 1000; i++ {
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m2, _ := New(
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"cpu",
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map[string]string{
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"datacenter": "us-east-1",
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"mytag": "foo",
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"another": "tag",
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},
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map[string]interface{}{
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"value": float64(1),
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},
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time.Now(),
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)
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assert.Equal(t, hash, m2.HashID())
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}
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}
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func TestNewMetric_NameModifiers(t *testing.T) {
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now := time.Now()
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tags := map[string]string{}
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fields := map[string]interface{}{
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"value": float64(1),
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}
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m, err := New("cpu", tags, fields, now)
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assert.NoError(t, err)
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hash := m.HashID()
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suffix := fmt.Sprintf(" value=1 %d\n", now.UnixNano())
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assert.Equal(t, "cpu"+suffix, m.String())
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m.SetPrefix("pre_")
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assert.NotEqual(t, hash, m.HashID())
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hash = m.HashID()
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assert.Equal(t, "pre_cpu"+suffix, m.String())
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m.SetSuffix("_post")
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assert.NotEqual(t, hash, m.HashID())
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hash = m.HashID()
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assert.Equal(t, "pre_cpu_post"+suffix, m.String())
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m.SetName("mem")
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assert.NotEqual(t, hash, m.HashID())
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assert.Equal(t, "mem"+suffix, m.String())
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}
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func TestNewMetric_FieldModifiers(t *testing.T) {
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now := time.Now()
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tags := map[string]string{
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"host": "localhost",
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}
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fields := map[string]interface{}{
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"value": float64(1),
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}
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m, err := New("cpu", tags, fields, now)
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assert.NoError(t, err)
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assert.True(t, m.HasField("value"))
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assert.False(t, m.HasField("foo"))
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m.AddField("newfield", "foo")
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assert.True(t, m.HasField("newfield"))
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assert.NoError(t, m.RemoveField("newfield"))
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assert.False(t, m.HasField("newfield"))
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// don't allow user to remove all fields:
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assert.Error(t, m.RemoveField("value"))
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m.AddField("value2", int64(101))
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assert.NoError(t, m.RemoveField("value"))
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assert.False(t, m.HasField("value"))
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}
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func TestNewMetric_Fields(t *testing.T) {
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now := time.Now()
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tags := map[string]string{
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"host": "localhost",
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}
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fields := map[string]interface{}{
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"float": float64(1),
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"int": int64(1),
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"bool": true,
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"false": false,
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"string": "test",
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"quote_string": `x"y`,
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"backslash_quote_string": `x\"y`,
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"backslash": `x\y`,
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"ends_with_backslash": `x\`,
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}
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m, err := New("cpu", tags, fields, now)
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assert.NoError(t, err)
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assert.Equal(t, fields, m.Fields())
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}
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func TestNewMetric_Time(t *testing.T) {
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now := time.Now()
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tags := map[string]string{
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"host": "localhost",
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}
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fields := map[string]interface{}{
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"float": float64(1),
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"int": int64(1),
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"bool": true,
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"false": false,
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"string": "test",
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}
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m, err := New("cpu", tags, fields, now)
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assert.NoError(t, err)
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m = m.Copy()
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m2 := m.Copy()
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assert.Equal(t, now.UnixNano(), m.Time().UnixNano())
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assert.Equal(t, now.UnixNano(), m2.UnixNano())
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}
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func TestNewMetric_Copy(t *testing.T) {
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now := time.Now()
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tags := map[string]string{}
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fields := map[string]interface{}{
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"float": float64(1),
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}
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m, err := New("cpu", tags, fields, now)
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assert.NoError(t, err)
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m2 := m.Copy()
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assert.Equal(t,
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fmt.Sprintf("cpu float=1 %d\n", now.UnixNano()),
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m.String())
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m.AddTag("host", "localhost")
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assert.Equal(t,
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fmt.Sprintf("cpu,host=localhost float=1 %d\n", now.UnixNano()),
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m.String())
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assert.Equal(t,
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fmt.Sprintf("cpu float=1 %d\n", now.UnixNano()),
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m2.String())
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}
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func TestNewMetric_AllTypes(t *testing.T) {
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now := time.Now()
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tags := map[string]string{}
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fields := map[string]interface{}{
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"float64": float64(1),
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"float32": float32(1),
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"int64": int64(1),
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"int32": int32(1),
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"int16": int16(1),
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"int8": int8(1),
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"int": int(1),
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"uint64": uint64(1),
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"uint32": uint32(1),
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"uint16": uint16(1),
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"uint8": uint8(1),
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"uint": uint(1),
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"bytes": []byte("foo"),
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"nil": nil,
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"maxuint64": uint64(MaxInt) + 10,
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"maxuint": uint(MaxInt) + 10,
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"unsupported": []int{1, 2},
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}
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m, err := New("cpu", tags, fields, now)
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assert.NoError(t, err)
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assert.Contains(t, m.String(), "float64=1")
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assert.Contains(t, m.String(), "float32=1")
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assert.Contains(t, m.String(), "int64=1i")
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assert.Contains(t, m.String(), "int32=1i")
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assert.Contains(t, m.String(), "int16=1i")
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assert.Contains(t, m.String(), "int8=1i")
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assert.Contains(t, m.String(), "int=1i")
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assert.Contains(t, m.String(), "uint64=1i")
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assert.Contains(t, m.String(), "uint32=1i")
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assert.Contains(t, m.String(), "uint16=1i")
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assert.Contains(t, m.String(), "uint8=1i")
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assert.Contains(t, m.String(), "uint=1i")
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assert.NotContains(t, m.String(), "nil")
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assert.Contains(t, m.String(), fmt.Sprintf("maxuint64=%di", MaxInt))
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assert.Contains(t, m.String(), fmt.Sprintf("maxuint=%di", MaxInt))
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}
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func TestIndexUnescapedByte(t *testing.T) {
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tests := []struct {
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in []byte
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b byte
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expected int
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}{
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{
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in: []byte(`foobar`),
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b: 'b',
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expected: 3,
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},
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{
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in: []byte(`foo\bar`),
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b: 'b',
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expected: -1,
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},
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{
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in: []byte(`foo\\bar`),
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b: 'b',
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expected: -1,
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},
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{
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in: []byte(`foobar`),
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b: 'f',
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expected: 0,
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},
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{
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in: []byte(`foobar`),
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b: 'r',
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expected: 5,
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},
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{
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in: []byte(`\foobar`),
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b: 'f',
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expected: -1,
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},
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}
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for _, test := range tests {
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got := indexUnescapedByte(test.in, test.b)
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assert.Equal(t, test.expected, got)
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}
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}
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func TestNewGaugeMetric(t *testing.T) {
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now := time.Now()
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tags := map[string]string{
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"host": "localhost",
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"datacenter": "us-east-1",
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}
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fields := map[string]interface{}{
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"usage_idle": float64(99),
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"usage_busy": float64(1),
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}
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m, err := New("cpu", tags, fields, now, telegraf.Gauge)
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assert.NoError(t, err)
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assert.Equal(t, telegraf.Gauge, m.Type())
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assert.Equal(t, tags, m.Tags())
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assert.Equal(t, fields, m.Fields())
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assert.Equal(t, "cpu", m.Name())
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assert.Equal(t, now, m.Time())
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assert.Equal(t, now.UnixNano(), m.UnixNano())
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}
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|
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func TestNewCounterMetric(t *testing.T) {
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now := time.Now()
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tags := map[string]string{
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"host": "localhost",
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"datacenter": "us-east-1",
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}
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fields := map[string]interface{}{
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"usage_idle": float64(99),
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"usage_busy": float64(1),
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}
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m, err := New("cpu", tags, fields, now, telegraf.Counter)
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assert.NoError(t, err)
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assert.Equal(t, telegraf.Counter, m.Type())
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assert.Equal(t, tags, m.Tags())
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assert.Equal(t, fields, m.Fields())
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assert.Equal(t, "cpu", m.Name())
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assert.Equal(t, now, m.Time())
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assert.Equal(t, now.UnixNano(), m.UnixNano())
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}
|
|
|
|
// test splitting metric into various max lengths
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func TestSplitMetric(t *testing.T) {
|
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now := time.Unix(0, 1480940990034083306)
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tags := map[string]string{
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"host": "localhost",
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}
|
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fields := map[string]interface{}{
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"float": float64(100001),
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"int": int64(100001),
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"bool": true,
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"false": false,
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"string": "test",
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}
|
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m, err := New("cpu", tags, fields, now)
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assert.NoError(t, err)
|
|
|
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split80 := m.Split(80)
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assert.Len(t, split80, 2)
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split70 := m.Split(70)
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assert.Len(t, split70, 3)
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|
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split60 := m.Split(60)
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assert.Len(t, split60, 5)
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}
|
|
|
|
// test splitting metric into various max lengths
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// use a simple regex check to verify that the split metrics are valid
|
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func TestSplitMetric_RegexVerify(t *testing.T) {
|
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now := time.Unix(0, 1480940990034083306)
|
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tags := map[string]string{
|
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"host": "localhost",
|
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}
|
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fields := map[string]interface{}{
|
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"foo": float64(98934259085),
|
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"bar": float64(19385292),
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"number": float64(19385292),
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"another": float64(19385292),
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"n": float64(19385292),
|
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}
|
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m, err := New("cpu", tags, fields, now)
|
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assert.NoError(t, err)
|
|
|
|
// verification regex
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re := regexp.MustCompile(`cpu,host=localhost \w+=\d+(,\w+=\d+)* 1480940990034083306`)
|
|
|
|
split90 := m.Split(90)
|
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assert.Len(t, split90, 2)
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for _, splitM := range split90 {
|
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assert.True(t, re.Match(splitM.Serialize()), splitM.String())
|
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}
|
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|
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split70 := m.Split(70)
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assert.Len(t, split70, 3)
|
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for _, splitM := range split70 {
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assert.True(t, re.Match(splitM.Serialize()), splitM.String())
|
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}
|
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|
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split20 := m.Split(20)
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assert.Len(t, split20, 5)
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for _, splitM := range split20 {
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assert.True(t, re.Match(splitM.Serialize()), splitM.String())
|
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}
|
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}
|
|
|
|
// test splitting metric even when given length is shorter than
|
|
// shortest possible length
|
|
// Split should split metric as short as possible, ie, 1 field per metric
|
|
func TestSplitMetric_TooShort(t *testing.T) {
|
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now := time.Unix(0, 1480940990034083306)
|
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tags := map[string]string{
|
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"host": "localhost",
|
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}
|
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fields := map[string]interface{}{
|
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"float": float64(100001),
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"int": int64(100001),
|
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"bool": true,
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"false": false,
|
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"string": "test",
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}
|
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m, err := New("cpu", tags, fields, now)
|
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assert.NoError(t, err)
|
|
|
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split := m.Split(10)
|
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assert.Len(t, split, 5)
|
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strings := make([]string, 5)
|
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for i, splitM := range split {
|
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strings[i] = splitM.String()
|
|
}
|
|
|
|
assert.Contains(t, strings, "cpu,host=localhost float=100001 1480940990034083306\n")
|
|
assert.Contains(t, strings, "cpu,host=localhost int=100001i 1480940990034083306\n")
|
|
assert.Contains(t, strings, "cpu,host=localhost bool=true 1480940990034083306\n")
|
|
assert.Contains(t, strings, "cpu,host=localhost false=false 1480940990034083306\n")
|
|
assert.Contains(t, strings, "cpu,host=localhost string=\"test\" 1480940990034083306\n")
|
|
}
|
|
|
|
func TestSplitMetric_NoOp(t *testing.T) {
|
|
now := time.Unix(0, 1480940990034083306)
|
|
tags := map[string]string{
|
|
"host": "localhost",
|
|
}
|
|
fields := map[string]interface{}{
|
|
"float": float64(100001),
|
|
"int": int64(100001),
|
|
"bool": true,
|
|
"false": false,
|
|
"string": "test",
|
|
}
|
|
m, err := New("cpu", tags, fields, now)
|
|
assert.NoError(t, err)
|
|
|
|
split := m.Split(1000)
|
|
assert.Len(t, split, 1)
|
|
assert.Equal(t, m, split[0])
|
|
}
|
|
|
|
func TestSplitMetric_OneField(t *testing.T) {
|
|
now := time.Unix(0, 1480940990034083306)
|
|
tags := map[string]string{
|
|
"host": "localhost",
|
|
}
|
|
fields := map[string]interface{}{
|
|
"float": float64(100001),
|
|
}
|
|
m, err := New("cpu", tags, fields, now)
|
|
assert.NoError(t, err)
|
|
|
|
assert.Equal(t, "cpu,host=localhost float=100001 1480940990034083306\n", m.String())
|
|
|
|
split := m.Split(1000)
|
|
assert.Len(t, split, 1)
|
|
assert.Equal(t, "cpu,host=localhost float=100001 1480940990034083306\n", split[0].String())
|
|
|
|
split = m.Split(1)
|
|
assert.Len(t, split, 1)
|
|
assert.Equal(t, "cpu,host=localhost float=100001 1480940990034083306\n", split[0].String())
|
|
|
|
split = m.Split(40)
|
|
assert.Len(t, split, 1)
|
|
assert.Equal(t, "cpu,host=localhost float=100001 1480940990034083306\n", split[0].String())
|
|
}
|
|
|
|
func TestSplitMetric_ExactSize(t *testing.T) {
|
|
now := time.Unix(0, 1480940990034083306)
|
|
tags := map[string]string{
|
|
"host": "localhost",
|
|
}
|
|
fields := map[string]interface{}{
|
|
"float": float64(100001),
|
|
"int": int64(100001),
|
|
"bool": true,
|
|
"false": false,
|
|
"string": "test",
|
|
}
|
|
m, err := New("cpu", tags, fields, now)
|
|
assert.NoError(t, err)
|
|
actual := m.Split(m.Len())
|
|
// check that no copy was made
|
|
require.Equal(t, &m, &actual[0])
|
|
}
|
|
|
|
func TestSplitMetric_NoRoomForNewline(t *testing.T) {
|
|
now := time.Unix(0, 1480940990034083306)
|
|
tags := map[string]string{
|
|
"host": "localhost",
|
|
}
|
|
fields := map[string]interface{}{
|
|
"float": float64(100001),
|
|
"int": int64(100001),
|
|
"bool": true,
|
|
"false": false,
|
|
}
|
|
m, err := New("cpu", tags, fields, now)
|
|
assert.NoError(t, err)
|
|
actual := m.Split(m.Len() - 1)
|
|
require.Equal(t, 2, len(actual))
|
|
}
|
|
|
|
func TestNewMetricAggregate(t *testing.T) {
|
|
now := time.Now()
|
|
|
|
tags := map[string]string{
|
|
"host": "localhost",
|
|
}
|
|
fields := map[string]interface{}{
|
|
"usage_idle": float64(99),
|
|
}
|
|
m, err := New("cpu", tags, fields, now)
|
|
assert.NoError(t, err)
|
|
|
|
assert.False(t, m.IsAggregate())
|
|
m.SetAggregate(true)
|
|
assert.True(t, m.IsAggregate())
|
|
}
|
|
|
|
func TestNewMetricString(t *testing.T) {
|
|
now := time.Now()
|
|
|
|
tags := map[string]string{
|
|
"host": "localhost",
|
|
}
|
|
fields := map[string]interface{}{
|
|
"usage_idle": float64(99),
|
|
}
|
|
m, err := New("cpu", tags, fields, now)
|
|
assert.NoError(t, err)
|
|
|
|
lineProto := fmt.Sprintf("cpu,host=localhost usage_idle=99 %d\n",
|
|
now.UnixNano())
|
|
assert.Equal(t, lineProto, m.String())
|
|
}
|
|
|
|
func TestNewMetricFailNaN(t *testing.T) {
|
|
now := time.Now()
|
|
|
|
tags := map[string]string{
|
|
"host": "localhost",
|
|
}
|
|
fields := map[string]interface{}{
|
|
"usage_idle": math.NaN(),
|
|
}
|
|
|
|
_, err := New("cpu", tags, fields, now)
|
|
assert.NoError(t, err)
|
|
}
|
|
|
|
func TestEmptyTagValueOrKey(t *testing.T) {
|
|
now := time.Now()
|
|
|
|
tags := map[string]string{
|
|
"host": "localhost",
|
|
"emptytag": "",
|
|
"": "valuewithoutkey",
|
|
}
|
|
fields := map[string]interface{}{
|
|
"usage_idle": float64(99),
|
|
}
|
|
m, err := New("cpu", tags, fields, now)
|
|
|
|
assert.True(t, m.HasTag("host"))
|
|
assert.False(t, m.HasTag("emptytag"))
|
|
assert.Equal(t,
|
|
fmt.Sprintf("cpu,host=localhost usage_idle=99 %d\n", now.UnixNano()),
|
|
m.String())
|
|
|
|
assert.NoError(t, err)
|
|
|
|
}
|
|
|
|
func TestNewMetric_TrailingSlash(t *testing.T) {
|
|
now := time.Now()
|
|
|
|
tests := []struct {
|
|
name string
|
|
tags map[string]string
|
|
fields map[string]interface{}
|
|
}{
|
|
{
|
|
name: `cpu\`,
|
|
fields: map[string]interface{}{
|
|
"value": int64(42),
|
|
},
|
|
},
|
|
{
|
|
name: "cpu",
|
|
fields: map[string]interface{}{
|
|
`value\`: "x",
|
|
},
|
|
},
|
|
{
|
|
name: "cpu",
|
|
tags: map[string]string{
|
|
`host\`: "localhost",
|
|
},
|
|
fields: map[string]interface{}{
|
|
"value": int64(42),
|
|
},
|
|
},
|
|
{
|
|
name: "cpu",
|
|
tags: map[string]string{
|
|
"host": `localhost\`,
|
|
},
|
|
fields: map[string]interface{}{
|
|
"value": int64(42),
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, tc := range tests {
|
|
_, err := New(tc.name, tc.tags, tc.fields, now)
|
|
assert.Error(t, err)
|
|
}
|
|
}
|