85 lines
2.4 KiB
Go
85 lines
2.4 KiB
Go
package own_url
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// SPDX-License-Identifier: GPL-3.0-or-later
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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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var (
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globalIPv6 = net.ParseIP("2a10:3780:2:52:185:93:175:46")
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lanIPv6 = globalIPv6
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linkLocalIPv6 = net.ParseIP("fe80::5054:ff:fede:2ad7")
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localhostIPv6 = net.ParseIP("::1")
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globalIPv4 = net.ParseIP("8.8.8.8")
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lanIPv4 = net.ParseIP("192.168.0.1")
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linkLocalIPv4 = net.ParseIP("169.254.47.42")
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localhostIPv4 = net.ParseIP("127.0.0.1")
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)
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func Test_filterAddresses(t *testing.T) {
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tests := []struct {
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name string
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expect []net.IP
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input []net.IP
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}{
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// IPv6 tests:
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// Not a link-local address present, then use all but localhost
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{"IPv6 without link-local",
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[]net.IP{globalIPv6, lanIPv6},
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[]net.IP{globalIPv6, lanIPv6, localhostIPv6}},
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// In a mix, only the global address should be used.
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{"IPv6 with link-local",
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[]net.IP{globalIPv6},
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[]net.IP{linkLocalIPv6, globalIPv6, localhostIPv6}},
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// Only loopback and link-local.
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{"IPv6 with link-local + loopback",
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[]net.IP{localhostIPv6},
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[]net.IP{localhostIPv6, linkLocalIPv6}},
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// Only loopback
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{"IPv6 with only loopback",
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[]net.IP{localhostIPv6},
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[]net.IP{localhostIPv6}},
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// IPv4 tests:
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// Not a link-local address present, then use all but localhost
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{"IPv4 without link-local",
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[]net.IP{globalIPv4, lanIPv4},
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[]net.IP{globalIPv4, lanIPv4, localhostIPv4}},
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// In a mix, only the global and lan addresses should be used.
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{"IPv4 with link-local",
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[]net.IP{globalIPv4, lanIPv4},
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[]net.IP{globalIPv4, linkLocalIPv4, lanIPv4, localhostIPv4}},
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// Only loopback and link-local.
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{"IPv4 with link-local + loopback",
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[]net.IP{linkLocalIPv4},
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[]net.IP{localhostIPv4, linkLocalIPv4}},
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// Only loopback
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{"IPv4 with only loopback",
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[]net.IP{localhostIPv4},
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[]net.IP{localhostIPv4}},
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// Mixed IPv4/IPv6 tests:
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// IPv4 no link-local, but IPv6 with link-local:
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{"IPv4 w/o, IPv6 w/ link-local",
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[]net.IP{lanIPv4, lanIPv6},
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[]net.IP{lanIPv4, localhostIPv4, lanIPv6, linkLocalIPv6}},
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// IPv4 link-local, IPv6 without:
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{"IPv4 w/, IPv4 w/o link-local",
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[]net.IP{lanIPv4, lanIPv6},
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[]net.IP{linkLocalIPv4, lanIPv4, lanIPv6}},
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// Only loopback
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{"IPv4 + IPv6 with only loopback",
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[]net.IP{localhostIPv4, localhostIPv6},
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[]net.IP{localhostIPv4, localhostIPv6}},
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}
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for _, tt := range tests {
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got := filterAddresses(tt.input)
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assert.EqualValues(t, tt.expect, got, "for test %q", tt.name)
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}
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}
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