mirror of
https://github.com/prometheus/alertmanager
synced 2024-12-14 02:15:27 +00:00
129 lines
2.9 KiB
Go
129 lines
2.9 KiB
Go
// Copyright 2013 Prometheus Team
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package manager
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import (
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"testing"
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)
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type dummyReceiver struct{}
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func (d *dummyReceiver) Receive(*EventSummary) RemoteError {
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return nil
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}
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type testAggregatorScenario struct {
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rules AggregationRules
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inMatch Events
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inNoMatch Events
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}
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func (s *testAggregatorScenario) test(i int, t *testing.T) {
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a := NewAggregator()
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go a.Dispatch(&dummyReceiver{})
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done := make(chan bool)
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go func() {
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a.SetRules(s.rules)
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done <- true
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}()
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<-done
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if len(s.inMatch) > 0 {
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err := a.Receive(s.inMatch)
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if err != nil {
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t.Fatalf("%d. Expected input %v to match, got error: %s", i, s.inMatch, err)
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}
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}
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if len(s.inNoMatch) > 0 {
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err := a.Receive(s.inNoMatch)
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// BUG: we need to define more clearly what should happen if a subset of
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// events doesn't match. Right now we only return an error if no rules
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// are configured.
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if len(s.rules) == 0 && err == nil {
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t.Fatalf("%d. Expected aggregation error when no rules are set", i)
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}
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}
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aggs := a.AlertAggregates()
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if len(aggs) != len(s.inMatch) {
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t.Fatalf("%d. Expected %d aggregates, got %d", i, len(s.inMatch), len(aggs))
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}
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for j, agg := range aggs {
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ev := s.inMatch[j]
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if len(agg.Event.Labels) != len(ev.Labels) {
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t.Fatalf("%d.%d. Expected %d labels, got %d", i, j, len(ev.Labels), len(agg.Event.Labels))
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}
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for l, v := range agg.Event.Labels {
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if ev.Labels[l] != v {
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t.Fatalf("%d.%d. Expected label %s=%s, got %s=%s", l, ev.Labels[l], l, v)
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}
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}
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}
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a.Close()
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}
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func TestAggregator(t *testing.T) {
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scenarios := []testAggregatorScenario{
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{
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// No rules, one event.
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inNoMatch: Events{
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&Event{
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Labels: map[string]string{
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"foo": "bar",
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},
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},
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},
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},
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{
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// One rule, two matching events, one non-matching.
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rules: AggregationRules{
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&AggregationRule{
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Filters: Filters{NewFilter("service", "test(-)?service")},
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},
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},
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inMatch: Events{
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&Event{
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Labels: map[string]string{
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"service": "testservice",
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"foo": "bar",
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},
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},
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&Event{
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Labels: map[string]string{
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"service": "test-service",
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"bar": "baz",
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},
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},
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},
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inNoMatch: Events{
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&Event{
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Labels: map[string]string{
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"service": "testservice2",
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"foo": "bar",
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},
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},
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},
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},
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}
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for i, scenario := range scenarios {
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scenario.test(i, t)
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}
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}
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