router7/internal/testing/dnsmasq/example_test.go

37 lines
806 B
Go

package dnsmasq_test
import (
"router7/internal/testing/dnsmasq"
"strings"
"testing"
"github.com/google/go-cmp/cmp"
)
func Example(t *testing.T) {
dnsmasq := dnsmasq.Run(t, "veth0b")
defer dnsmasq.Kill()
// test code here
// optionally introspect the dnsmasq log:
dnsmasq.Kill()
got := dnsmasq.Actions()
want := []string{
"DHCPDISCOVER(veth0b)",
"DHCPOFFER(veth0b)",
"DHCPREQUEST(veth0b)",
"DHCPACK(veth0b)",
"DHCPRELEASE(veth0b)",
}
actionOnly := func(line string) string {
result := line
if idx := strings.Index(result, " "); idx > -1 {
return result[:idx]
}
return result
}
if diff := cmp.Diff(got, want, cmp.Transformer("ActionOnly", actionOnly)); diff != "" {
t.Errorf("dnsmasq log does not contain expected DHCP sequence: diff (-got +want):\n%s", diff)
}
}