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package metrics
import (
"testing"
"github.com/stretchr/testify/require"
"github.com/lxc/incus/v6/internal/server/auth"
)
func TestMetricSet_FilterSamples(t *testing.T) {
labels := map[string]string{"project": "default", "name": "jammy"}
newMetricSet := func() *MetricSet {
m := NewMetricSet(labels)
require.Equal(t, labels, m.labels)
m.AddSamples(CPUSecondsTotal, Sample{Value: 10})
require.Equal(t, []Sample{{Value: 10, Labels: labels}}, m.set[CPUSecondsTotal])
return m
}
m := newMetricSet()
permissionChecker := func(object auth.Object) bool {
return object == auth.ObjectInstance("default", "jammy")
}
m.FilterSamples(permissionChecker)
// Should still contain the sample
require.Equal(t, []Sample{{Value: 10, Labels: labels}}, m.set[CPUSecondsTotal])
m = newMetricSet()
permissionChecker = func(object auth.Object) bool {
return object == auth.ObjectInstance("not-default", "not-jammy")
}
m.FilterSamples(permissionChecker)
// Should no longer contain the sample.
require.Equal(t, []Sample{}, m.set[CPUSecondsTotal])
m = NewMetricSet(map[string]string{"project": "default"})
m.AddSamples(CPUSecondsTotal, Sample{Value: 10})
n := NewMetricSet(map[string]string{"name": "jammy"})
n.AddSamples(CPUSecondsTotal, Sample{Value: 20})
m.Merge(n)
for _, sample := range m.set[CPUSecondsTotal] {
hasKeys := []string{}
for k := range sample.Labels {
hasKeys = append(hasKeys, k)
}
require.Contains(t, hasKeys, "project")
}
}
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