add basic e2e cluster lifecycle test

internal/ucind/cluster.go

@@ -193,6 +193,9 @@ func (p *Provisioner) InspectCluster(ctx context.Context, name string) (Cluster,
 
 func (p *Provisioner) RemoveCluster(ctx context.Context, name string) error {
 	if _, err := p.InspectCluster(ctx, name); err != nil {
+		if errors.Is(err, ErrNotFound) {
+			return nil
+		}
 		return err
 	}
 

test/e2e/cluster_test.go

@@ -0,0 +1,53 @@
+package e2e
+
+import (
+	"context"
+	"github.com/docker/docker/client"
+	"github.com/stretchr/testify/require"
+	"testing"
+	"uncloud/internal/ucind"
+)
+
+func createTestCluster(t *testing.T, name string, opts ucind.CreateClusterOptions) (*ucind.Provisioner, ucind.Cluster) {
+	dockerCli, err := client.NewClientWithOpts(client.FromEnv, client.WithAPIVersionNegotiation())
+	require.NoError(t, err)
+
+	p := ucind.NewProvisioner(dockerCli, nil)
+
+	ctx := context.Background()
+	c, err := p.CreateCluster(ctx, name, opts)
+	require.NoError(t, err)
+
+	t.Cleanup(func() {
+		err = p.RemoveCluster(ctx, name)
+		require.NoError(t, err)
+	})
+
+	return p, c
+}
+
+func TestClusterLifecycle(t *testing.T) {
+	t.Parallel()
+
+	var (
+		name = "test-cluster-lifecycle"
+		ctx  = context.Background()
+		p    *ucind.Provisioner
+		c    ucind.Cluster
+	)
+
+	t.Run("create", func(t *testing.T) {
+		p, c = createTestCluster(t, name, ucind.CreateClusterOptions{Machines: 3})
+
+		require.Equal(t, name, c.Name)
+		require.Len(t, c.Machines, 3)
+	})
+
+	t.Run("remove", func(t *testing.T) {
+		err := p.RemoveCluster(ctx, name)
+		require.NoError(t, err)
+
+		_, err = p.InspectCluster(ctx, name)
+		require.ErrorIs(t, err, ucind.ErrNotFound)
+	})
+}