chore(port-forward): support multiple port forwarded

internal/portforward/service/helpers_test.go

@@ -0,0 +1,43 @@
+package service
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_portsToString(t *testing.T) {
+	t.Parallel()
+
+	testCases := map[string]struct {
+		ports []uint16
+		s     string
+	}{
+		"no_port": {
+			s: "no port forwarded",
+		},
+		"one_port": {
+			ports: []uint16{123},
+			s:     "port forwarded is 123",
+		},
+		"two_ports": {
+			ports: []uint16{123, 456},
+			s:     "ports forwarded are 123 and 456",
+		},
+		"three_ports": {
+			ports: []uint16{123, 456, 789},
+			s:     "ports forwarded are 123, 456 and 789",
+		},
+	}
+
+	for name, testCase := range testCases {
+		testCase := testCase
+		t.Run(name, func(t *testing.T) {
+			t.Parallel()
+
+			s := portsToString(testCase.ports)
+
+			assert.Equal(t, testCase.s, s)
+		})
+	}
+}