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package iprange_test
import (
"net"
"strings"
"testing"
"github.com/stretchr/testify/assert"
"github.com/lxc/incus/v6/internal/iprange"
)
// parseRange is a custom parse function to not depend on other packages.
func parseRange(rangeString string) iprange.Range {
ips := strings.Split(rangeString, "-")
start := net.ParseIP(ips[0])
var end net.IP
if len(ips) == 2 {
end = net.ParseIP(ips[1])
}
return iprange.Range{
Start: start,
End: end,
}
}
func TestRange_ContainsIP(t *testing.T) {
type containsIPTest struct {
name string
rangeString string // a string of format <ip>-<ip> optionally just an <ip>
testIP string
expected bool
}
tests := []containsIPTest{
{
name: "ip below range",
rangeString: "10.10.0.0-10.16.0.0",
testIP: "10.0.0.1",
expected: false,
},
{
name: "ip is lower bound",
rangeString: "10.10.0.0-10.16.0.0",
testIP: "10.10.0.0",
expected: true,
},
{
name: "ip in range",
rangeString: "10.10.0.0-10.16.0.0",
testIP: "10.12.59.1",
expected: true,
},
{
name: "ip is upper bound",
rangeString: "10.10.0.0-10.16.0.0",
testIP: "10.16.0.0",
expected: true,
},
{
name: "ip above range",
rangeString: "10.10.0.0-10.16.0.0",
testIP: "10.23.59.1",
expected: false,
},
{
name: "range has no end and ip is below range",
rangeString: "10.10.0.1",
testIP: "10.2.59.1",
expected: false,
},
{
name: "range has no end and ip is in range",
rangeString: "10.10.0.1",
testIP: "10.10.0.1",
expected: true,
},
{
name: "range has no end and ip is above range",
rangeString: "10.10.0.1",
testIP: "10.23.59.1",
expected: false,
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
// arrange
r := parseRange(test.rangeString)
testIP := net.ParseIP(test.testIP)
// act
isContained := r.ContainsIP(testIP)
// assert
assert.Equal(t, test.expected, isContained)
})
}
}
func TestRange_String(t *testing.T) {
type stringTest struct {
name string
rangeString string // a string of format <ip>-<ip> optionally just an <ip>
expected string
}
tests := []stringTest{
{
name: "start and end",
rangeString: "10.10.0.0-10.16.0.5",
expected: "10.10.0.0-10.16.0.5",
},
{
name: "start only",
rangeString: "10.10.0.0",
expected: "10.10.0.0",
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
// arrange
r := parseRange(test.rangeString)
// act
s := r.String()
// assert
assert.Equal(t, test.expected, s)
})
}
}
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