Expose failure to detect duplicate label names

This is #471.

Signed-off-by: beorn7 <beorn@soundcloud.com>
This commit is contained in:
beorn7 2018-09-30 10:38:57 +02:00
parent daeaac0cfb
commit dd9e125455
1 changed files with 37 additions and 0 deletions

View File

@ -308,6 +308,29 @@ collected metric named "complex_count" collides with previously collected summar
collected metric named "complex_count" collides with previously collected histogram named "complex" collected metric named "complex_count" collides with previously collected histogram named "complex"
`) `)
externalMetricFamilyWithDuplicateLabel := &dto.MetricFamily{
Name: proto.String("broken_metric"),
Help: proto.String("The registry should detect the duplicate label."),
Type: dto.MetricType_COUNTER.Enum(),
Metric: []*dto.Metric{
{
Label: []*dto.LabelPair{
{
Name: proto.String("foo"),
Value: proto.String("bar"),
},
{
Name: proto.String("foo"),
Value: proto.String("baz"),
},
},
Counter: &dto.Counter{
Value: proto.Float64(2.7),
},
},
},
}
duplicateLabelMsg := []byte(`duplicate label mumble mumble`)
type output struct { type output struct {
headers map[string]string headers map[string]string
@ -646,6 +669,20 @@ collected metric named "complex_count" collides with previously collected histog
externalMetricFamilyWithBucketSuffix, externalMetricFamilyWithBucketSuffix,
}, },
}, },
{ // 22
headers: map[string]string{
"Accept": "text/plain",
},
out: output{
headers: map[string]string{
"Content-Type": `text/plain; version=0.0.4; charset=utf-8`,
},
body: duplicateLabelMsg,
},
externalMF: []*dto.MetricFamily{
externalMetricFamilyWithDuplicateLabel,
},
},
} }
for i, scenario := range scenarios { for i, scenario := range scenarios {
registry := prometheus.NewPedanticRegistry() registry := prometheus.NewPedanticRegistry()