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// SPDX-License-Identifier: GPL-3.0-or-later
package iprange
import (
"fmt"
"math/big"
"net"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestPool_String(t *testing.T) {
tests := map[string]struct {
input string
wantString string
}{
"singe": {
input: "192.0.2.0-192.0.2.10",
wantString: "192.0.2.0-192.0.2.10",
},
"multiple": {
input: "192.0.2.0-192.0.2.10 2001:db8::-2001:db8::10",
wantString: "192.0.2.0-192.0.2.10 2001:db8::-2001:db8::10",
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
rs, err := ParseRanges(test.input)
require.NoError(t, err)
p := Pool(rs)
assert.Equal(t, test.wantString, p.String())
})
}
}
func TestPool_Size(t *testing.T) {
tests := map[string]struct {
input string
wantSize *big.Int
}{
"singe": {
input: "192.0.2.0-192.0.2.10",
wantSize: big.NewInt(11),
},
"multiple": {
input: "192.0.2.0-192.0.2.10 2001:db8::-2001:db8::10",
wantSize: big.NewInt(11 + 17),
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
rs, err := ParseRanges(test.input)
require.NoError(t, err)
p := Pool(rs)
assert.Equal(t, test.wantSize, p.Size())
})
}
}
func TestPool_Contains(t *testing.T) {
tests := map[string]struct {
input string
ip string
wantFail bool
}{
"inside first": {
input: "192.0.2.0-192.0.2.10 192.0.2.20-192.0.2.30 2001:db8::-2001:db8::10",
ip: "192.0.2.5",
},
"inside last": {
input: "192.0.2.0-192.0.2.10 192.0.2.20-192.0.2.30 2001:db8::-2001:db8::10",
ip: "2001:db8::5",
},
"outside": {
input: "192.0.2.0-192.0.2.10 192.0.2.20-192.0.2.30 2001:db8::-2001:db8::10",
ip: "192.0.2.100",
wantFail: true,
},
}
for name, test := range tests {
name = fmt.Sprintf("%s (range: %s, ip: %s)", name, test.input, test.ip)
t.Run(name, func(t *testing.T) {
rs, err := ParseRanges(test.input)
require.NoError(t, err)
ip := net.ParseIP(test.ip)
require.NotNil(t, ip)
p := Pool(rs)
if test.wantFail {
assert.False(t, p.Contains(ip))
} else {
assert.True(t, p.Contains(ip))
}
})
}
}
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