46 lines
897 B
Go
46 lines
897 B
Go
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// +build linux
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package system
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import (
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"strings"
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"testing"
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"github.com/opencontainers/runc/libcontainer/user"
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)
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func TestUIDMapInUserNS(t *testing.T) {
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cases := []struct {
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s string
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expected bool
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}{
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{
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s: " 0 0 4294967295\n",
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expected: false,
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},
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{
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s: " 0 0 1\n",
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expected: true,
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},
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{
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s: " 0 1001 1\n 1 231072 65536\n",
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expected: true,
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},
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{
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// file exist but empty (the initial state when userns is created. see man 7 user_namespaces)
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s: "",
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expected: true,
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},
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}
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for _, c := range cases {
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uidmap, err := user.ParseIDMap(strings.NewReader(c.s))
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if err != nil {
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t.Fatal(err)
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}
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actual := UIDMapInUserNS(uidmap)
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if c.expected != actual {
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t.Fatalf("expected %v, got %v for %q", c.expected, actual, c.s)
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}
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}
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}
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