test: Add integration tests for untested endpoints (#37)

* add network_test.go and token_test.go

* fix assertion

test/integration/network_test.go

@@ -0,0 +1,51 @@
+package integration
+
+import (
+	"context"
+	"net"
+	"regexp"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func isValidIPv4(ip string) bool {
+	pattern := `^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\/(3[0-2]|[1-2]?[0-9])$`
+	matched, _ := regexp.MatchString(pattern, ip)
+	return matched
+}
+
+func isValidIPv6(ip string) bool {
+	// ParseCIDR returns the IP address
+	ipAddr, _, err := net.ParseCIDR(ip)
+	if err != nil {
+		return false
+	}
+
+	// Check if the IP address is IPv6
+	if ipAddr.To4() == nil {
+		return true
+	}
+
+	return false
+}
+
+func TestGetNetwork(t *testing.T) {
+	t.Parallel()
+
+	mdNet, err := metadataClient.GetNetwork(context.Background())
+	assert.NoError(t, err)
+
+	ipv4List := mdNet.IPv4.Public
+
+	for _, ip := range ipv4List {
+		assert.True(t, isValidIPv4(ip.String()))
+	}
+
+	ipv6Slaac := mdNet.IPv6.SLAAC
+	ipv6LinkLocal := mdNet.IPv6.LinkLocal
+
+	assert.True(t, isValidIPv6(ipv6Slaac.String()))
+	assert.True(t, isValidIPv6(ipv6LinkLocal.String()))
+	assert.Contains(t, ipv6LinkLocal.String(), "fe80")
+}

test/integration/token_test.go

@@ -0,0 +1,17 @@
+package integration
+
+import (
+	"context"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestGenerateToken(t *testing.T) {
+	t.Parallel()
+
+	result, err := metadataClient.GenerateToken(context.Background())
+	assert.NoError(t, err)
+
+	assert.NotNil(t, result)
+}