Files
beszel-ipv6/internal/entities/system/system_test.go
Michał Mleczko 5969d36856 feat(alerts): add container health alerts with log excerpt on notifications (#2225)
Add a new "ContainerHealth" alert type that fires when a Docker container's
health check reports unhealthy, and resolves when it recovers. This mirrors
the existing Status (up/down) alert pattern: an alert can be armed per system
and honors the "min minutes" delay before firing.

When the alert fires, the notification (email and any configured webhook,
including Discord via shoutrrr) includes a log excerpt fetched live from the
agent for up to 2 of the unhealthy containers, prioritizing lines containing
"error" or "fatal" (falling back to the log tail if none match), capped to
keep the message well under Discord's size limit.

---------

Co-authored-by: hank <hank@henrygd.me>
2026-09-02 12:46:23 -04:00

120 lines
3.9 KiB
Go

package system
import (
"encoding/json"
jsonv2 "encoding/json/v2"
"testing"
"github.com/fxamacker/cbor/v2"
"github.com/henrygd/beszel/internal/entities/container"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestStatsBatteryTransport(t *testing.T) {
stats := Stats{Battery: [2]uint8{0, 1}, Batteries: map[string]uint8{"Primary": 0, "Mouse": 75}}
for name, marshal := range map[string]func(any) ([]byte, error){
"json_v1": json.Marshal,
"json_v2": func(value any) ([]byte, error) { return jsonv2.Marshal(value) },
} {
t.Run(name, func(t *testing.T) {
jsonData, err := marshal(stats)
require.NoError(t, err)
var jsonPayload map[string]any
require.NoError(t, json.Unmarshal(jsonData, &jsonPayload))
assert.Equal(t, []any{float64(0), float64(1)}, jsonPayload["bat"])
assert.Equal(t, map[string]any{"Primary": float64(0), "Mouse": float64(75)}, jsonPayload["bats"])
})
}
cborData, err := cbor.Marshal(stats)
require.NoError(t, err)
var decoded Stats
require.NoError(t, cbor.Unmarshal(cborData, &decoded))
assert.Equal(t, stats.Battery, decoded.Battery)
assert.Equal(t, stats.Batteries, decoded.Batteries)
}
func TestStatsDiskIOTotalAndFansTransport(t *testing.T) {
stats := Stats{
DiskIOTotal: [2]uint64{437348527104, 331522465792},
Fans: map[string]uint16{"cpu": 1200},
}
cborData, err := cbor.Marshal(stats)
require.NoError(t, err)
var decoded Stats
require.NoError(t, cbor.Unmarshal(cborData, &decoded))
assert.Equal(t, stats.DiskIOTotal, decoded.DiskIOTotal)
assert.Equal(t, stats.Fans, decoded.Fans)
}
func TestStatsBatteryNumericArrayUnmarshal(t *testing.T) {
var stats Stats
require.NoError(t, json.Unmarshal([]byte(`{"bat":[50,4]}`), &stats))
assert.Equal(t, Battery{50, 4}, stats.Battery)
}
func TestStatsLegacyBatteryPayload(t *testing.T) {
data, err := json.Marshal(Stats{Battery: [2]uint8{50, 4}})
require.NoError(t, err)
var payload map[string]any
require.NoError(t, json.Unmarshal(data, &payload))
assert.Contains(t, payload, "bat")
assert.NotContains(t, payload, "bats")
}
func TestCombinedDataSystemdUpdateMarkerTransport(t *testing.T) {
data := CombinedData{SystemdServicesUpdated: true}
jsonData, err := json.Marshal(data)
require.NoError(t, err)
var decodedJSON CombinedData
require.NoError(t, json.Unmarshal(jsonData, &decodedJSON))
assert.True(t, decodedJSON.SystemdServicesUpdated)
assert.Empty(t, decodedJSON.SystemdServices)
cborData, err := cbor.Marshal(data)
require.NoError(t, err)
var decodedCBOR CombinedData
require.NoError(t, cbor.Unmarshal(cborData, &decodedCBOR))
assert.True(t, decodedCBOR.SystemdServicesUpdated)
assert.Empty(t, decodedCBOR.SystemdServices)
var legacy CombinedData
require.NoError(t, json.Unmarshal([]byte(`{"stats":{},"info":{},"container":[]}`), &legacy))
assert.False(t, legacy.SystemdServicesUpdated)
}
func TestCombinedDataContainerValidityTransport(t *testing.T) {
validEmpty := CombinedData{Containers: []*container.Stats{}}
jsonData, err := json.Marshal(validEmpty)
require.NoError(t, err)
var decodedJSON CombinedData
require.NoError(t, json.Unmarshal(jsonData, &decodedJSON))
assert.NotNil(t, decodedJSON.Containers)
assert.Empty(t, decodedJSON.Containers)
jsonV2Data, err := jsonv2.Marshal(validEmpty)
require.NoError(t, err)
var decodedJSONV2 CombinedData
require.NoError(t, jsonv2.Unmarshal(jsonV2Data, &decodedJSONV2))
assert.NotNil(t, decodedJSONV2.Containers)
assert.Empty(t, decodedJSONV2.Containers)
cborData, err := cbor.Marshal(validEmpty)
require.NoError(t, err)
var decodedCBOR CombinedData
require.NoError(t, cbor.Unmarshal(cborData, &decodedCBOR))
assert.NotNil(t, decodedCBOR.Containers)
assert.Empty(t, decodedCBOR.Containers)
invalidData, err := cbor.Marshal(CombinedData{})
require.NoError(t, err)
var decodedInvalid CombinedData
require.NoError(t, cbor.Unmarshal(invalidData, &decodedInvalid))
assert.Nil(t, decodedInvalid.Containers)
}