kat/internal/testutil/testutil.go

86 lines
2.3 KiB
Go

package testutil
import (
"context"
"os"
"path/filepath"
"testing"
"time"
"git.dws.rip/dubey/kat/internal/store"
"github.com/stretchr/testify/require"
"go.etcd.io/etcd/server/v3/embed"
)
// SetupEmbeddedEtcd creates a temporary directory and starts an embedded etcd server for testing
func SetupEmbeddedEtcd(t *testing.T) (string, *embed.Etcd, string) {
// Create a temporary directory for etcd data
tempDir, err := os.MkdirTemp("", "etcd-test-*")
require.NoError(t, err)
// Configure and start embedded etcd
etcdConfig := store.EtcdEmbedConfig{
Name: "test-node",
DataDir: tempDir,
ClientURLs: []string{"http://localhost:0"}, // Use port 0 to get a random available port
PeerURLs: []string{"http://localhost:0"},
InitialCluster: "test-node=http://localhost:0",
}
etcdServer, err := store.StartEmbeddedEtcd(etcdConfig)
require.NoError(t, err)
// Get the actual client URL that was assigned
clientURL := etcdServer.Clients[0].Addr().String()
return tempDir, etcdServer, clientURL
}
// CreateTestClusterConfig creates a test cluster.kat file in the specified directory
func CreateTestClusterConfig(t *testing.T, dir string) string {
configContent := `apiVersion: kat.dws.rip/v1alpha1
kind: ClusterConfiguration
metadata:
name: test-cluster
spec:
clusterCidr: "10.100.0.0/16"
serviceCidr: "10.101.0.0/16"
nodeSubnetBits: 7
clusterDomain: "test.cluster.local"
agentPort: 9116
apiPort: 9115
etcdPeerPort: 2380
etcdClientPort: 2379
volumeBasePath: "~/.kat/volumes"
backupPath: "~/.kat/backups"
backupIntervalMinutes: 30
agentTickSeconds: 15
nodeLossTimeoutSeconds: 60
`
configPath := filepath.Join(dir, "cluster.kat")
err := os.WriteFile(configPath, []byte(configContent), 0644)
require.NoError(t, err)
return configPath
}
// WaitForCondition waits for the given condition function to return true or times out
func WaitForCondition(t *testing.T, condition func() bool, timeout time.Duration, message string) {
ctx, cancel := context.WithTimeout(context.Background(), timeout)
defer cancel()
ticker := time.NewTicker(50 * time.Millisecond)
defer ticker.Stop()
for {
select {
case <-ctx.Done():
require.Fail(t, "Timed out waiting for condition: "+message)
return
case <-ticker.C:
if condition() {
return
}
}
}
}