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package harness
import (
"net"
"strings"
"testing"
"github.com/stretchr/testify/require"
)
func TestFindOpenPorts(t *testing.T) {
// This test is more of a sanity check than anything else.
//
// Finding an open port is dependent on the system's network state, so it's
// difficult to write a deterministic test for it. This test is just to
// ensure that the function doesn't panic and returns a valid port.
ports, err := findOpenPorts(1)
if err != nil {
t.Fatal(err)
}
if !strings.Contains(ports[0], ":") {
t.Fatalf("expected port to contain colon, got %s", ports[0])
}
// Ensure the port is actually open
l, err := net.Listen("tcp", ports[0])
require.NoError(t, err)
defer l.Close()
}
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