forked from mirror/client_golang
101 lines
2.1 KiB
Go
101 lines
2.1 KiB
Go
package testutils
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"github.com/prometheus/client_golang/prometheus"
|
|
)
|
|
|
|
func TestGatherAndCompare(t *testing.T) {
|
|
const metadata = `
|
|
# HELP some_total A value that represents a counter.
|
|
# TYPE some_total counter
|
|
`
|
|
|
|
c := prometheus.NewCounter(prometheus.CounterOpts{
|
|
Name: "some_total",
|
|
Help: "A value that represents a counter.",
|
|
ConstLabels: prometheus.Labels{
|
|
"label1": "value1",
|
|
},
|
|
})
|
|
c.Inc()
|
|
|
|
expected := `
|
|
some_total{label1="value1"} 1
|
|
`
|
|
|
|
if err := GatherAndCompare(c, metadata+expected, "some_total"); err != nil {
|
|
t.Errorf("unexpected collecting result:\n%s", err)
|
|
}
|
|
}
|
|
|
|
func TestNoMetricFilter(t *testing.T) {
|
|
const metadata = `
|
|
# HELP some_total A value that represents a counter.
|
|
# TYPE some_total counter
|
|
`
|
|
|
|
c := prometheus.NewCounter(prometheus.CounterOpts{
|
|
Name: "some_total",
|
|
Help: "A value that represents a counter.",
|
|
ConstLabels: prometheus.Labels{
|
|
"label1": "value1",
|
|
},
|
|
})
|
|
c.Inc()
|
|
|
|
expected := `
|
|
some_total{label1="value1"} 1
|
|
`
|
|
|
|
if err := GatherAndCompare(c, metadata+expected); err != nil {
|
|
t.Errorf("unexpected collecting result:\n%s", err)
|
|
}
|
|
}
|
|
|
|
func TestMetricNotFound(t *testing.T) {
|
|
const metadata = `
|
|
# HELP some_other_metric A value that represents a counter.
|
|
# TYPE some_other_metric counter
|
|
`
|
|
|
|
c := prometheus.NewCounter(prometheus.CounterOpts{
|
|
Name: "some_total",
|
|
Help: "A value that represents a counter.",
|
|
ConstLabels: prometheus.Labels{
|
|
"label1": "value1",
|
|
},
|
|
})
|
|
c.Inc()
|
|
|
|
expected := `
|
|
some_other_metric{label1="value1"} 1
|
|
`
|
|
|
|
expectedError := `
|
|
metric output does not match expectation; want:
|
|
|
|
# HELP some_other_metric A value that represents a counter.
|
|
# TYPE some_other_metric counter
|
|
some_other_metric{label1="value1"} 1
|
|
|
|
|
|
got:
|
|
|
|
# HELP some_total A value that represents a counter.
|
|
# TYPE some_total counter
|
|
some_total{label1="value1"} 1
|
|
|
|
`
|
|
|
|
err := GatherAndCompare(c, metadata+expected)
|
|
if err == nil {
|
|
t.Error("Expected error, got no error.")
|
|
}
|
|
|
|
if err.Error() != expectedError {
|
|
t.Errorf("Expected\n%#+v\nGot:\n%#+v\n", expectedError, err.Error())
|
|
}
|
|
}
|