alertmanager-irc-relay/format_test.go

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// Copyright 2020 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"encoding/json"
"fmt"
"reflect"
"testing"
promtmpl "github.com/prometheus/alertmanager/template"
)
func CreateFormatterAndCheckOutput(t *testing.T, c *Config, expected []AlertMsg) {
f, _ := NewFormatter(c)
var alertMessage = promtmpl.Data{}
if err := json.Unmarshal([]byte(testdataSimpleAlertJson), &alertMessage); err != nil {
t.Fatal(fmt.Sprintf("Could not unmarshal %s", testdataSimpleAlertJson))
}
alertMsgs := f.GetMsgsFromAlertMessage("#somechannel", &alertMessage)
if !reflect.DeepEqual(expected, alertMsgs) {
t.Error(fmt.Sprintf(
"Unexpected alert msg.\nExpected: %s\nActual: %s",
expected, alertMsgs))
}
}
func TestTemplateErrorsCreateRawAlertMsg(t *testing.T) {
testingConfig := Config{MsgTemplate: "Bogus template {{ nil }}"}
expectedAlertMsgs := []AlertMsg{
AlertMsg{
Channel: "#somechannel",
Alert: `{"status":"resolved","labels":{"alertname":"airDown","instance":"instance1:3456","job":"air","service":"prometheus","severity":"ticket","zone":"global"},"annotations":{"DESCRIPTION":"service /prometheus has irc gateway down on instance1","SUMMARY":"service /prometheus air down on instance1"},"startsAt":"2017-05-15T13:49:37.834Z","endsAt":"2017-05-15T13:50:37.835Z","generatorURL":"https://prometheus.example.com/prometheus/...","fingerprint":"66214a361160fb6f"}`,
},
AlertMsg{
Channel: "#somechannel",
Alert: `{"status":"resolved","labels":{"alertname":"airDown","instance":"instance2:7890","job":"air","service":"prometheus","severity":"ticket","zone":"global"},"annotations":{"DESCRIPTION":"service /prometheus has irc gateway down on instance2","SUMMARY":"service /prometheus air down on instance2"},"startsAt":"2017-05-15T11:47:37.834Z","endsAt":"2017-05-15T11:48:37.834Z","generatorURL":"https://prometheus.example.com/prometheus/...","fingerprint":"25a874c99325d1ce"}`,
},
}
CreateFormatterAndCheckOutput(t, &testingConfig, expectedAlertMsgs)
}
func TestAlertsDispatchedOnce(t *testing.T) {
testingConfig := Config{
MsgTemplate: "Alert {{ .GroupLabels.alertname }} is {{ .Status }}",
MsgOnce: true,
}
expectedAlertMsgs := []AlertMsg{
AlertMsg{
Channel: "#somechannel",
Alert: "Alert airDown is resolved",
},
}
CreateFormatterAndCheckOutput(t, &testingConfig, expectedAlertMsgs)
}
func TestStringsFunctions(t *testing.T) {
testingConfig := Config{
MsgTemplate: "Alert {{ .GroupLabels.alertname | ToUpper }} is {{ .Status }}",
MsgOnce: true,
}
expectedAlertMsgs := []AlertMsg{
AlertMsg{
Channel: "#somechannel",
Alert: "Alert AIRDOWN is resolved",
},
}
CreateFormatterAndCheckOutput(t, &testingConfig, expectedAlertMsgs)
}
func TestUrlFunctions(t *testing.T) {
testingConfig := Config{
MsgTemplate: "{{ .Annotations.SUMMARY | PathEscape }}",
}
expectedAlertMsgs := []AlertMsg{
AlertMsg{
Channel: "#somechannel",
Alert: "service%20%2Fprometheus%20air%20down%20on%20instance1",
},
AlertMsg{
Channel: "#somechannel",
Alert: "service%20%2Fprometheus%20air%20down%20on%20instance2",
},
}
CreateFormatterAndCheckOutput(t, &testingConfig, expectedAlertMsgs)
}
func TestMultilineTemplates(t *testing.T) {
testingConfig := Config{
MsgTemplate: "Alert {{ .GroupLabels.alertname }}\nis\r{{ .Status }}",
MsgOnce: true,
}
expectedAlertMsgs := []AlertMsg{
AlertMsg{
Channel: "#somechannel",
Alert: "Alert airDown",
},
AlertMsg{
Channel: "#somechannel",
Alert: "is",
},
AlertMsg{
Channel: "#somechannel",
Alert: "resolved",
},
}
CreateFormatterAndCheckOutput(t, &testingConfig, expectedAlertMsgs)
}