net/parse_test.go

/*
Copyright 2025 The Kubernetes Authors.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package net

import (
	"testing"
)

func TestParseIPSloppy(t *testing.T) {
	// See test cases in ips_test.go
	for _, tc := range goodTestIPs {
		if tc.skipParse {
			continue
		}
		t.Run(tc.desc, func(t *testing.T) {
			for i, str := range tc.strings {
				ip := ParseIPSloppy(str)
				if ip == nil {
					t.Errorf("expected %q to parse, but failed", str)
				}
				if !ip.Equal(tc.ips[0]) {
					t.Errorf("expected string %d %q to parse equal to IP %#v %q but got %#v (%q)", i+1, str, tc.ips[0], tc.ips[0].String(), ip, ip.String())
				}
			}
		})
	}

	// See test cases in ips_test.go
	for _, tc := range badTestIPs {
		if tc.skipParse {
			continue
		}
		t.Run(tc.desc, func(t *testing.T) {
			for i, ip := range tc.ips {
				errStr := ip.String()
				parsedIP := ParseIPSloppy(errStr)
				if parsedIP != nil {
					t.Errorf("expected IP %d %#v (%q) to not re-parse but got %#v (%q)", i+1, ip, errStr, parsedIP, parsedIP.String())
				}
			}

			for i, str := range tc.strings {
				ip := ParseIPSloppy(str)
				if ip != nil {
					t.Errorf("expected string %d %q to not parse but got %#v (%q)", i+1, str, ip, ip.String())
				}
			}
		})
	}
}

func TestParseCIDRSloppy(t *testing.T) {
	// See test cases in ips_test.go
	for _, tc := range goodTestCIDRs {
		if tc.skipParse {
			continue
		}
		t.Run(tc.desc, func(t *testing.T) {
			for i, str := range tc.strings {
				_, ipnet, err := ParseCIDRSloppy(str)
				if err != nil {
					t.Errorf("expected %q to parse, but got error %v", str, err)
				}
				if ipnet.String() != tc.ipnets[0].String() {
					t.Errorf("expected string %d %q to parse and re-stringify to %q but got %q", i+1, str, tc.ipnets[0].String(), ipnet.String())
				}
			}
		})
	}

	// See test cases in ips_test.go
	for _, tc := range badTestCIDRs {
		if tc.skipParse {
			continue
		}
		t.Run(tc.desc, func(t *testing.T) {
			for i, ipnet := range tc.ipnets {
				errStr := ipnet.String()
				_, parsedIPNet, err := ParseCIDRSloppy(errStr)
				if err == nil {
					t.Errorf("expected IPNet %d %q to not parse but got %#v (%q)", i+1, errStr, *parsedIPNet, parsedIPNet.String())
				}
			}

			for i, str := range tc.strings {
				_, ipnet, err := ParseCIDRSloppy(str)
				if err == nil {
					t.Errorf("expected string %d %q to not parse but got %#v (%q)", i+1, str, *ipnet, ipnet.String())
				}
			}
		})
	}
}