package codersdk_test

import (

"net"

"os"

"testing"

"github.com/stretchr/testify/require"

"golang.org/x/xerrors"

"github.com/coder/coder/codersdk"

)

func TestIsConnectionErr(t *testing.T) {

t.Parallel()

type tc = struct {

name string

err error

expectedResult bool

}

cases := []tc{

{

// E.g. "no such host"

name: "DNSError",

err: &net.DNSError{

Err: "no such host",

Name: "foofoo",

Server: "1.1.1.1:53",

IsTimeout: false,

IsTemporary: false,

IsNotFound: true,

},

expectedResult: true,

},

{

// E.g. "connection refused"

name: "OpErr",

err: &net.OpError{

Op: "dial",

Net: "tcp",

Source: nil,

Addr: nil,

Err: &os.SyscallError{},

},

expectedResult: true,

},

{

name: "OpaqueError",

err: xerrors.Errorf("I'm opaque!"),

expectedResult: false,

},

}

for _, c := range cases {

c := c

t.Run(c.name, func(t *testing.T) {

t.Parallel()

require.Equal(t, c.expectedResult, codersdk.IsConnectionErr(c.err))

})

}

}