// Test that most specific template is chosen
func TestApplyTemplateSpecific(t *testing.T) {
o := graphite.Options{
Separator: "_",
Templates: []string{
"current.* measurement.measurement",
"current.*.* measurement.measurement.service",
},
}
p, err := graphite.NewParserWithOptions(o)
if err != nil {
t.Fatalf("unexpected error creating parser, got %v", err)
}
measurement, tags, _, _ := p.ApplyTemplate("current.users.facebook")
if measurement != "current_users" {
t.Errorf("Parser.ApplyTemplate unexpected result. got %s, exp %s",
measurement, "current_users")
}
service, ok := tags["service"]
if !ok {
t.Error("Expected for template to apply a 'service' tag, but not found")
}
if service != "facebook" {
t.Errorf("Expected service='facebook' tag, got service='%s'", service)
}
}
// parseName parses the given bucket name with the list of bucket maps in the
// config file. If there is a match, it will parse the name of the metric and
// map of tags.
// Return values are (<name>, <tags>)
func (s *Statsd) parseName(bucket string) (string, map[string]string) {
tags := make(map[string]string)
bucketparts := strings.Split(bucket, ",")
// Parse out any tags in the bucket
if len(bucketparts) > 1 {
for _, btag := range bucketparts[1:] {
k, v := parseKeyValue(btag)
if k != "" {
tags[k] = v
}
}
}
o := graphite.Options{
Separator: "_",
Templates: s.Templates,
DefaultTags: tags,
}
name := bucketparts[0]
p, err := graphite.NewParserWithOptions(o)
if err == nil {
name, tags, _, _ = p.ApplyTemplate(name)
}
if s.ConvertNames {
name = strings.Replace(name, ".", "_", -1)
name = strings.Replace(name, "-", "__", -1)
}
return name, tags
}
func TestApplyTemplateFieldError(t *testing.T) {
o := graphite.Options{
Separator: "_",
Templates: []string{"current.* measurement.field.field"},
}
p, err := graphite.NewParserWithOptions(o)
if err != nil {
t.Fatalf("unexpected error creating parser, got %v", err)
}
_, _, _, err = p.ApplyTemplate("current.users.logged_in")
if err == nil {
t.Errorf("Parser.ApplyTemplate unexpected result. got %s, exp %s", err,
"'field' can only be used once in each template: current.users.logged_in")
}
}
// Test basic functionality of ApplyTemplate
func TestApplyTemplateNoMatch(t *testing.T) {
o := graphite.Options{
Separator: "_",
Templates: []string{"foo.bar measurement.measurement"},
}
p, err := graphite.NewParserWithOptions(o)
if err != nil {
t.Fatalf("unexpected error creating parser, got %v", err)
}
measurement, _, _, _ := p.ApplyTemplate("current.users")
if measurement != "current.users" {
t.Errorf("Parser.ApplyTemplate unexpected result. got %s, exp %s",
measurement, "current.users")
}
}
// Test that most specific template is N/A
func TestApplyTemplateSpecificIsNA(t *testing.T) {
o := graphite.Options{
Separator: "_",
Templates: []string{
"current.* measurement.service",
"current.*.*.test measurement.measurement.service",
},
}
p, err := graphite.NewParserWithOptions(o)
if err != nil {
t.Fatalf("unexpected error creating parser, got %v", err)
}
measurement, _, _, _ := p.ApplyTemplate("current.users.facebook")
if measurement != "current" {
t.Errorf("Parser.ApplyTemplate unexpected result. got %s, exp %s",
measurement, "current")
}
}
func TestApplyTemplateField(t *testing.T) {
o := graphite.Options{
Separator: "_",
Templates: []string{"current.* measurement.measurement.field"},
}
p, err := graphite.NewParserWithOptions(o)
if err != nil {
t.Fatalf("unexpected error creating parser, got %v", err)
}
measurement, _, field, err := p.ApplyTemplate("current.users.logged_in")
if measurement != "current_users" {
t.Errorf("Parser.ApplyTemplate unexpected result. got %s, exp %s",
measurement, "current_users")
}
if field != "logged_in" {
t.Errorf("Parser.ApplyTemplate unexpected result. got %s, exp %s",
field, "logged_in")
}
}
func TestFilterMatchMultipleMeasurementSeparator(t *testing.T) {
p, err := graphite.NewParserWithOptions(graphite.Options{
Templates: []string{"servers.localhost .host.measurement.measurement*"},
Separator: "_",
})
if err != nil {
t.Fatalf("unexpected error creating parser, got %v", err)
}
exp := models.MustNewPoint("cpu_cpu_load_10",
models.NewTags(map[string]string{"host": "localhost"}),
models.Fields{"value": float64(11)},
time.Unix(1435077219, 0))
pt, err := p.Parse("servers.localhost.cpu.cpu_load.10 11 1435077219")
if err != nil {
t.Fatalf("parse error: %v", err)
}
if exp.String() != pt.String() {
t.Errorf("parse mismatch: got %v, exp %v", pt.String(), exp.String())
}
}
func TestApplyTemplateTags(t *testing.T) {
o := graphite.Options{
Separator: "_",
Templates: []string{"current.* measurement.measurement region=us-west"},
}
p, err := graphite.NewParserWithOptions(o)
if err != nil {
t.Fatalf("unexpected error creating parser, got %v", err)
}
measurement, tags, _, _ := p.ApplyTemplate("current.users")
if measurement != "current_users" {
t.Errorf("Parser.ApplyTemplate unexpected result. got %s, exp %s",
measurement, "current_users")
}
region, ok := tags["region"]
if !ok {
t.Error("Expected for template to apply a 'region' tag, but not found")
}
if region != "us-west" {
t.Errorf("Expected region='us-west' tag, got region='%s'", region)
}
}