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33 lines
661 B
Go
33 lines
661 B
Go
//go:build !windows
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// +build !windows
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package resolvconf
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import (
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"io/ioutil"
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"os"
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"path/filepath"
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"testing"
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dresolvconf "github.com/docker/libnetwork/resolvconf"
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"github.com/stretchr/testify/require"
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)
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func Test_copySystemDNS(t *testing.T) {
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require := require.New(t)
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data, err := ioutil.ReadFile(dresolvconf.Path())
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require.NoError(err)
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tmp, err := ioutil.TempDir("", "copySystemDNS_Test")
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require.NoError(err)
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defer os.RemoveAll(tmp)
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dest := filepath.Join(tmp, "resolv.conf")
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require.NoError(copySystemDNS(dest))
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require.FileExists(dest)
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tmpResolv, err := ioutil.ReadFile(dest)
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require.NoError(err)
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require.Equal(data, tmpResolv)
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}
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