alertmanager/test/acceptance/simple_test.go

123 lines
3.2 KiB
Go

package test
import (
"testing"
"time"
. "github.com/prometheus/alertmanager/test"
)
var somethingConfig = `
routes:
- send_to: "default"
group_wait: 1s
group_interval: 1s
notification_configs:
- name: "default"
send_resolved: true
webhook_configs:
- url: 'http://localhost:8088'
`
func TestSomething(t *testing.T) {
t.Parallel()
// Create a new acceptance test that instantiates new Alertmanagers
// with the given configuration and verifies times with the given
// tollerance.
at := NewAcceptanceTest(t, &AcceptanceOpts{
Tolerance: 150 * time.Millisecond,
Config: somethingConfig,
})
// Create a new Alertmanager process listening to a random port
am := at.Alertmanager()
// Create a collector to which alerts can be written and verified
// against a set of expected alert notifications.
co := at.Collector("webhook")
// Run something that satisfies the webhook interface to which the
// Alertmanager pushes as defined by its configuration.
go NewWebhook(":8088", co).Run()
// Declare pushes to be made to the Alertmanager at the given time.
// Times are provided in fractions of seconds.
am.Push(At(1), Alert("alertname", "test").Active(1))
am.Push(At(3.5), Alert("alertname", "test").Active(1, 3))
// Declare which alerts are expected to arrive at the collector within
// the defined time intervals.
co.Want(Between(2, 2.5), Alert("alertname", "test").Active(1))
co.Want(Between(3, 3.5), Alert("alertname", "test").Active(1))
co.Want(Between(4, 4.5), Alert("alertname", "test").Active(1, 3))
// Start the flow as defined above and run the checks afterwards.
at.Run()
}
var batchConfig = `
routes:
- send_to: "default"
group_wait: 1s
group_interval: 1s
notification_configs:
- name: "default"
send_resolved: true
repeat_interval: 5s
webhook_configs:
- url: 'http://localhost:8089'
`
func TestBatching(t *testing.T) {
t.Parallel()
at := NewAcceptanceTest(t, &AcceptanceOpts{
Tolerance: 150 * time.Millisecond,
Config: batchConfig,
})
am := at.Alertmanager()
co := at.Collector("webhook")
go NewWebhook(":8089", co).Run()
am.Push(At(1.1), Alert("alertname", "test1").Active(1))
am.Push(At(1.9), Alert("alertname", "test5").Active(1))
am.Push(At(2.3),
Alert("alertname", "test2").Active(1.5),
Alert("alertname", "test3").Active(1.5),
Alert("alertname", "test4").Active(1.6),
)
co.Want(Between(2.0, 2.5),
Alert("alertname", "test1").Active(1),
Alert("alertname", "test5").Active(1),
)
// Only expect the new ones with the next group interval.
co.Want(Between(3, 3.5),
Alert("alertname", "test2").Active(1.5),
Alert("alertname", "test3").Active(1.5),
Alert("alertname", "test4").Active(1.6),
)
// While no changes happen expect no additional notifications
// until the 5s repeat interval has ended.
// The last three notifications should sent with the first two even
// though their repeat interval has not yet passed. This way fragmented
// batches are unified and notification noise reduced.
co.Want(Between(7, 7.5),
Alert("alertname", "test1").Active(1),
Alert("alertname", "test5").Active(1),
Alert("alertname", "test2").Active(1.5),
Alert("alertname", "test3").Active(1.5),
Alert("alertname", "test4").Active(1.6),
)
at.Run()
}