Add namespace command test

Signed-off-by: Kristoffer Dalby <kristoffer@tailscale.com>

integration/cli_test.go

@@ -0,0 +1,93 @@
+package integration
+
+import (
+	"encoding/json"
+	"testing"
+
+	v1 "github.com/juanfont/headscale/gen/go/headscale/v1"
+	"github.com/stretchr/testify/assert"
+)
+
+func executeAndUnmarshal[T any](headscale ControlServer, command []string, result T) error {
+	str, err := headscale.Execute(command)
+	if err != nil {
+		return err
+	}
+
+	err = json.Unmarshal([]byte(str), result)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func TestNamespaceCommand(t *testing.T) {
+	IntegrationSkip(t)
+	t.Parallel()
+
+	scenario, err := NewScenario()
+	assert.NoError(t, err)
+
+	spec := map[string]int{
+		"namespace1": 0,
+		"namespace2": 0,
+	}
+
+	err = scenario.CreateHeadscaleEnv(spec)
+	assert.NoError(t, err)
+
+	var listNamespaces []v1.Namespace
+	err = executeAndUnmarshal(scenario.Headscale(),
+		[]string{
+			"headscale",
+			"namespaces",
+			"list",
+			"--output",
+			"json",
+		},
+		&listNamespaces,
+	)
+	assert.NoError(t, err)
+
+	assert.Equal(
+		t,
+		[]string{"namespace1", "namespace2"},
+		[]string{listNamespaces[0].Name, listNamespaces[1].Name},
+	)
+
+	_, err = scenario.Headscale().Execute(
+		[]string{
+			"headscale",
+			"namespaces",
+			"rename",
+			"--output",
+			"json",
+			"namespace2",
+			"newname",
+		},
+	)
+	assert.NoError(t, err)
+
+	var listAfterRenameNamespaces []v1.Namespace
+	err = executeAndUnmarshal(scenario.Headscale(),
+		[]string{
+			"headscale",
+			"namespaces",
+			"list",
+			"--output",
+			"json",
+		},
+		&listAfterRenameNamespaces,
+	)
+	assert.NoError(t, err)
+
+	assert.Equal(
+		t,
+		[]string{"namespace1", "newname"},
+		[]string{listAfterRenameNamespaces[0].Name, listAfterRenameNamespaces[1].Name},
+	)
+
+	err = scenario.Shutdown()
+	assert.NoError(t, err)
+}