84 lines
2.3 KiB
Go
84 lines
2.3 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package collectors
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import (
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"testing"
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"time"
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"k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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type mockServiceStore struct {
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list func() ([]v1.Service, error)
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}
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func (ss mockServiceStore) List() ([]v1.Service, error) {
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return ss.list()
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}
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func TestServiceCollector(t *testing.T) {
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// Fixed metadata on type and help text. We prepend this to every expected
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// output so we only have to modify a single place when doing adjustments.
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const metadata = `
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# HELP kube_service_info Information about service.
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# TYPE kube_service_info gauge
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# HELP kube_service_created Unix creation timestamp
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# TYPE kube_service_created gauge
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# HELP kube_service_labels Kubernetes labels converted to Prometheus labels.
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# TYPE kube_service_labels gauge
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`
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cases := []struct {
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services []v1.Service
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metrics []string // which metrics should be checked
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want string
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}{
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{
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services: []v1.Service{
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{
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ObjectMeta: metav1.ObjectMeta{
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Name: "test-service",
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CreationTimestamp: metav1.Time{Time: time.Unix(1500000000, 0)},
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Namespace: "default",
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Labels: map[string]string{
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"app": "example",
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},
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},
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},
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},
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want: metadata + `
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kube_service_info{namespace="default",service="test-service"} 1
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kube_service_created{namespace="default",service="test-service"} 1.5e+09
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kube_service_labels{label_app="example",namespace="default",service="test-service"} 1
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`,
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},
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}
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for _, c := range cases {
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sc := &serviceCollector{
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store: &mockServiceStore{
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list: func() ([]v1.Service, error) {
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return c.services, nil
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},
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},
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}
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if err := gatherAndCompare(sc, c.want, c.metrics); err != nil {
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t.Errorf("unexpected collecting result:\n%s", err)
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}
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}
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}
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