Add validators and improve validator testing

The new validator will serve auto-generated resources based
on formats specified in NSX spec

Signed-off-by: Anna Khmelnitsky <[email protected]>

nsxt/validator_test.go

@@ -0,0 +1,162 @@
+/* Copyright © 2024 Broadcom, Inc. All Rights Reserved.
+   SPDX-License-Identifier: MPL-2.0 */
+
+package nsxt
+
+import (
+	"testing"
+)
+
+func TestValidateCidrOrIPOrRange(t *testing.T) {
+
+	cases := map[string]struct {
+		value  interface{}
+		result bool
+	}{
+		"NotString": {
+			value:  777,
+			result: false,
+		},
+		"Empty": {
+			value:  "",
+			result: false,
+		},
+		"IpRangeCidrMix": {
+			value:  "1.1.1.1,3.3.3.0/25, 2.2.2.3-2.2.2.21",
+			result: false,
+		},
+		"Range": {
+			value:  "2.2.2.3 - 2.2.2.21",
+			result: true,
+		},
+		"NotIP": {
+			value:  "1.2.3.no",
+			result: false,
+		},
+		"Text": {
+			value:  "frog",
+			result: false,
+		},
+		"ipv4": {
+			value:  "192.218.3.1",
+			result: true,
+		},
+		"ipv6": {
+			value:  "1231:3213:abcd::15",
+			result: true,
+		},
+		"withSpaces": {
+			value:  "20.2.5.5 ",
+			result: true,
+		},
+	}
+
+	validator := validateCidrOrIPOrRange()
+	for tn, tc := range cases {
+		t.Run(tn, func(t *testing.T) {
+			_, errors := validator(tc.value, tn)
+
+			if len(errors) > 0 && tc.result {
+				t.Errorf("validateCidrOrIPOrRange (%s) produced an unexpected error %s", tc.value, errors)
+			} else if len(errors) == 0 && !tc.result {
+				t.Errorf("validateCidrOrIPOrRange (%s) did not error", tc.value)
+			}
+		})
+	}
+}
+
+func TestValidateCidrOrIPOrRangeList(t *testing.T) {
+
+	cases := map[string]struct {
+		value  interface{}
+		result bool
+	}{
+		"NotString": {
+			value:  777,
+			result: false,
+		},
+		"Empty": {
+			value:  "",
+			result: false,
+		},
+		"IpRangeCidrMix": {
+			value:  "1.1.1.1,3.3.3.0/25, 2.2.2.3-2.2.2.21",
+			result: true,
+		},
+		"NotIP": {
+			value:  "1.2.3.no",
+			result: false,
+		},
+		"Text": {
+			value:  "frog",
+			result: false,
+		},
+		"ipv6": {
+			value:  "9870::2-9870::5, 1231:3213:abcd::15",
+			result: true,
+		},
+		"ipVersionMix": {
+			value:  "1.1.1.1,3.3.3.0/25, 2.2.2.3-2.2.2.21",
+			result: true,
+		},
+	}
+
+	validator := validateCidrOrIPOrRangeList()
+	for tn, tc := range cases {
+		t.Run(tn, func(t *testing.T) {
+			_, errors := validator(tc.value, tn)
+
+			if len(errors) > 0 && tc.result {
+				t.Errorf("validateCidrOrIPOrRangeList (%s) produced an unexpected error %s", tc.value, errors)
+			} else if len(errors) == 0 && !tc.result {
+				t.Errorf("validateCidrOrIPOrRangeList (%s) did not error", tc.value)
+			}
+		})
+	}
+}
+
+func TestValidateSingleIP(t *testing.T) {
+
+	cases := map[string]struct {
+		value  interface{}
+		result bool
+	}{
+		"NotString": {
+			value:  777,
+			result: false,
+		},
+		"Empty": {
+			value:  "",
+			result: false,
+		},
+		"ipv4": {
+			value:  "192.218.3.1",
+			result: true,
+		},
+		"ipv6": {
+			value:  "1231:3213:abcd::15",
+			result: true,
+		},
+		"withSpaces": {
+			value:  "20.2.5.5 ",
+			result: true,
+		},
+		"badIP": {
+			value:  "192.278.3.1",
+			result: true,
+		},
+	}
+
+	validator := validateSingleIP()
+	for tn, tc := range cases {
+		t.Run(tn, func(t *testing.T) {
+			_, errors := validator(tc.value, tn)
+
+			if len(errors) > 0 && tc.result {
+				t.Errorf("validateSingleIP (%s) produced an unexpected error %s", tc.value, errors)
+			} else if len(errors) == 0 && !tc.result {
+				t.Errorf("validateSingleIP (%s) did not error", tc.value)
+			}
+		})
+	}
+}

nsxt/validators.go

@@ -73,20 +73,22 @@ func isIPRange(v string) bool {
 	if len(s) != 2 {
 		return false
 	}
-	ip1 := net.ParseIP(s[0])
-	ip2 := net.ParseIP(s[1])
+	ip1 := net.ParseIP(strings.TrimSpace(s[0]))
+	ip2 := net.ParseIP(strings.TrimSpace(s[1]))
 	if ip1 == nil || ip2 == nil {
 		return false
 	}
 	return true
 }
 
 func isSingleIP(v string) bool {
+	v = strings.TrimSpace(v)
 	ip := net.ParseIP(v)
 	return ip != nil
 }
 
 func isCidr(v string, allowMaxPrefix bool, isIP bool) bool {
+	v = strings.TrimSpace(v)
 	_, ipnet, err := net.ParseCIDR(v)
 	if err != nil {
 		return false
@@ -142,6 +144,26 @@ func validateCidrOrIPOrRange() schema.SchemaValidateFunc {
 	}
 }
 
+func validateCidrOrIPOrRangeList() schema.SchemaValidateFunc {
+	return func(i interface{}, k string) (s []string, es []error) {
+		v, ok := i.(string)
+		if !ok {
+			es = append(es, fmt.Errorf("expected type of %s to be string", k))
+			return
+		}
+
+		tokens := strings.Split(v, ",")
+		for _, t := range tokens {
+			if !isCidr(t, true, false) && !isSingleIP(t) && !isIPRange(t) {
+				es = append(es, fmt.Errorf(
+					"expected %s to contain a list of valid CIDRs or IPs or Ranges, got: %s", k, t))
+				return
+			}
+		}
+		return
+	}
+}
+
 func validateIPOrRange() schema.SchemaValidateFunc {
 	return func(i interface{}, k string) (s []string, es []error) {
 		v, ok := i.(string)