VictoriaMetrics/app/vmctl/opentsdb/parser_test.go

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package opentsdb
import (
"testing"
)
func TestConvertRetention(t *testing.T) {
/*
2592000 seconds in 30 days
3600 in one hour
2592000 / 3600 = 720 individual query "ranges" should exist, plus one because time ranges can be weird
First order should == "sum"
Second order should == "avg"
AggTime should == "1m"
*/
res, err := convertRetention("sum-1m-avg:1h:30d", 0, false)
if err != nil {
t.Fatalf("Error parsing valid retention string: %v", err)
}
if len(res.QueryRanges) != 721 {
t.Fatalf("Found %v query ranges. Should have found 720", len(res.QueryRanges))
}
if res.FirstOrder != "sum" {
t.Fatalf("Incorrect first order aggregation %q. Should have been 'sum'", res.FirstOrder)
}
if res.SecondOrder != "avg" {
t.Fatalf("Incorrect second order aggregation %q. Should have been 'avg'", res.SecondOrder)
}
if res.AggTime != "1m" {
t.Fatalf("Incorrect aggregation time length %q. Should have been '1m'", res.AggTime)
}
/*
Invalid retention string
*/
res, err = convertRetention("sum-1m-avg:30d", 0, false)
if err == nil {
t.Fatalf("Bad retention string (sum-1m-avg:30d) didn't fail: %v", res)
}
/*
Invalid aggregation string
*/
res, err = convertRetention("sum-1m:1h:30d", 0, false)
if err == nil {
t.Fatalf("Bad aggregation string (sum-1m:1h:30d) didn't fail: %v", res)
}
}
func TestModifyData(t *testing.T) {
/*
Good metric metadata
*/
m := Metric{
Metric: "cpu",
Tags: map[string]string{
"core": "0",
},
Values: []float64{
0,
},
Timestamps: []int64{
0,
},
}
res, err := modifyData(m, false)
if err != nil {
t.Fatalf("Valid metric %v failed to parse: %v", m, err)
}
if res.Metric != "cpu" {
t.Fatalf("Valid metric name %q was converted: %q", m.Metric, res.Metric)
}
found := false
for k := range res.Tags {
if k == "core" {
found = true
break
}
}
if !found {
t.Fatalf("Valid metric tag name 'core' missing: %v", res.Tags)
}
/*
Bad first character in metric name
metric names cannot start with _, so this
metric should fail entirely
*/
m = Metric{
Metric: "_cpu",
Tags: map[string]string{
"core": "0",
},
Values: []float64{
0,
},
Timestamps: []int64{
0,
},
}
res, err = modifyData(m, false)
if err == nil {
t.Fatalf("Invalid metric %v parsed?", m)
}
/*
Bad character in metric name
metric names cannot have `.`, so this
should be converted to `_`
*/
m = Metric{
Metric: "cpu.name",
Tags: map[string]string{
"core": "0",
},
Values: []float64{
0,
},
Timestamps: []int64{
0,
},
}
res, err = modifyData(m, false)
if err != nil {
t.Fatalf("Valid metric failed to parse? %v", err)
}
if res.Metric != "cpu_name" {
t.Fatalf("Metric name not correctly converted from 'cpu.name' to 'cpu_name': %q", res.Metric)
}
/*
bad tag prefix (__)
Prometheus considers tags beginning with __
to be internal use only. They should not show up in incoming data.
this tag should be dropped from the result
*/
m = Metric{
Metric: "cpu",
Tags: map[string]string{
"__core": "0",
},
Values: []float64{
0,
},
Timestamps: []int64{
0,
},
}
res, err = modifyData(m, false)
if err != nil {
t.Fatalf("Valid metric failed to parse? %v", err)
}
found = false
for k := range res.Tags {
if k == "__core" {
found = true
break
}
}
if found {
t.Fatalf("Bad tag key prefix (__) found")
}
/*
bad tag key
tag keys cannot contain `.`, this should be
replaced with `_`
*/
m = Metric{
Metric: "cpu",
Tags: map[string]string{
"core.name": "0",
},
Values: []float64{
0,
},
Timestamps: []int64{
0,
},
}
res, err = modifyData(m, false)
if err != nil {
t.Fatalf("Valid metric failed to parse? %v", err)
}
found = false
for k := range res.Tags {
if k == "core.name" {
found = true
break
}
}
if found {
t.Fatalf("Bad tag key 'core.name' not converted")
}
/*
test normalize
All characters should be returned lowercase
*/
m = Metric{
Metric: "CPU",
Tags: map[string]string{
"core": "0",
},
Values: []float64{
0,
},
Timestamps: []int64{
0,
},
}
res, err = modifyData(m, true)
if err != nil {
t.Fatalf("Valid metric failed to parse? %v", err)
}
if res.Metric != "cpu" {
t.Fatalf("Normalization of metric name didn't happen!")
}
}