136 lines
4.1 KiB
Go
136 lines
4.1 KiB
Go
// Copyright 2020 Google LLC
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//
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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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// https://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 main
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import (
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"encoding/json"
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"fmt"
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"reflect"
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"testing"
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promtmpl "github.com/prometheus/alertmanager/template"
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)
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func CreateFormatterAndCheckOutput(t *testing.T, c *Config, expected []AlertMsg) {
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f, _ := NewFormatter(c)
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var alertMessage = promtmpl.Data{}
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if err := json.Unmarshal([]byte(testdataSimpleAlertJson), &alertMessage); err != nil {
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t.Fatal(fmt.Sprintf("Could not unmarshal %s", testdataSimpleAlertJson))
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}
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alertMsgs := f.GetMsgsFromAlertMessage("#somechannel", &alertMessage)
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if !reflect.DeepEqual(expected, alertMsgs) {
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t.Error(fmt.Sprintf(
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"Unexpected alert msg.\nExpected: %s\nActual: %s",
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expected, alertMsgs))
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}
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}
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func TestTemplateErrorsCreateRawAlertMsg(t *testing.T) {
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testingConfig := Config{MsgTemplate: "Bogus template {{ nil }}"}
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expectedAlertMsgs := []AlertMsg{
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AlertMsg{
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Channel: "#somechannel",
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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"}`,
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},
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AlertMsg{
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Channel: "#somechannel",
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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"}`,
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},
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}
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CreateFormatterAndCheckOutput(t, &testingConfig, expectedAlertMsgs)
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}
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func TestAlertsDispatchedOnce(t *testing.T) {
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testingConfig := Config{
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MsgTemplate: "Alert {{ .GroupLabels.alertname }} is {{ .Status }}",
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MsgOnce: true,
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}
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expectedAlertMsgs := []AlertMsg{
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AlertMsg{
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Channel: "#somechannel",
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Alert: "Alert airDown is resolved",
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},
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}
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CreateFormatterAndCheckOutput(t, &testingConfig, expectedAlertMsgs)
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}
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func TestStringsFunctions(t *testing.T) {
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testingConfig := Config{
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MsgTemplate: "Alert {{ .GroupLabels.alertname | ToUpper }} is {{ .Status }}",
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MsgOnce: true,
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}
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expectedAlertMsgs := []AlertMsg{
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AlertMsg{
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Channel: "#somechannel",
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Alert: "Alert AIRDOWN is resolved",
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},
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}
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CreateFormatterAndCheckOutput(t, &testingConfig, expectedAlertMsgs)
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}
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func TestUrlFunctions(t *testing.T) {
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testingConfig := Config{
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MsgTemplate: "{{ .Annotations.SUMMARY | PathEscape }}",
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}
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expectedAlertMsgs := []AlertMsg{
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AlertMsg{
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Channel: "#somechannel",
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Alert: "service%20%2Fprometheus%20air%20down%20on%20instance1",
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},
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AlertMsg{
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Channel: "#somechannel",
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Alert: "service%20%2Fprometheus%20air%20down%20on%20instance2",
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},
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}
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CreateFormatterAndCheckOutput(t, &testingConfig, expectedAlertMsgs)
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}
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func TestMultilineTemplates(t *testing.T) {
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testingConfig := Config{
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MsgTemplate: "Alert {{ .GroupLabels.alertname }}\nis\r{{ .Status }}",
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MsgOnce: true,
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}
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expectedAlertMsgs := []AlertMsg{
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AlertMsg{
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Channel: "#somechannel",
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Alert: "Alert airDown",
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},
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AlertMsg{
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Channel: "#somechannel",
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Alert: "is",
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},
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AlertMsg{
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Channel: "#somechannel",
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Alert: "resolved",
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},
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}
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CreateFormatterAndCheckOutput(t, &testingConfig, expectedAlertMsgs)
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}
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