public void DnsClient_ShouldBe_NullDnsServer_WhenNameServers_IsEmpty()
{
// Arrange
var nameServers = new IPEndPoint[0];
var clients = new DnsClients();
// Act
var result = clients.DnsClient(nameServers);
// Assert
result.Should().BeSameAs(DnsClients.NullDnsClient);
}
public void DnsClient_ShouldUse_DnsServers()
{
// Arrange
var nameServers = new[]
{
new IPEndPoint(IPAddress.Parse("15.46.251.79"), 53),
new IPEndPoint(IPAddress.Parse("8.8.8.8"), 53),
new IPEndPoint(IPAddress.Parse("10.3.15.47"), 66)
};
var clients = new DnsClients();
// Act
var result = clients.DnsClient(nameServers).NameServers;
// Assert
result.Should().BeEquivalentTo(nameServers);
}
