44 lines
1.4 KiB
Go
44 lines
1.4 KiB
Go
/*
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* Copyright 2020 The Dragonfly Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package iputils
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import (
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"net"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestExternalIPv4(t *testing.T) {
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ip, err := externalIPv4()
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assert.Nil(t, err)
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assert.NotEmpty(t, ip)
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}
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func Test_sortIP(t *testing.T) {
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var addrs = []net.IP{[]byte("2.3.4.5"), []byte("1.2.3.4"), []byte("3.4.5.6")}
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sortIP(addrs)
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assert.EqualValues(t, addrs, []net.IP{[]byte("1.2.3.4"), []byte("2.3.4.5"), []byte("3.4.5.6")})
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var normalAddrs = []net.IP{[]byte("2.3.4.5"), []byte("1.2.3.4"), []byte("3.4.5.6")}
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var preferAddrs = []net.IP{[]byte("5.3.4.5"), []byte("4.2.3.4"), []byte("6.4.5.6")}
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sortIP(preferAddrs)
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sortIP(normalAddrs)
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assert.EqualValues(t, append(preferAddrs, normalAddrs...), []net.IP{[]byte("4.2.3.4"), []byte("5.3.4.5"), []byte("6.4.5.6"), []byte("1.2.3.4"),
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[]byte("2.3.4.5"), []byte("3.4.5.6")})
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}
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