Files
core/net/port_test.go
Ingo Oppermann 8c0f2ebabc Add tests
2023-01-24 16:45:28 +01:00

111 lines
2.0 KiB
Go

package net
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestNewPortrange(t *testing.T) {
_, err := NewPortrange(1000, 1999)
require.Nil(t, err, "Valid port range not accepted: %s", err)
}
func TestInvalidPortrange(t *testing.T) {
_, err := NewPortrange(1999, 1000)
require.NotNil(t, err, "Invalid port range accepted")
}
func TestOutOfRangePortrange(t *testing.T) {
p, err := NewPortrange(-1, 70000)
require.NoError(t, err)
portrange := p.(*portrange)
require.Equal(t, 1, portrange.min)
require.Equal(t, 65535, len(portrange.ports))
}
func TestGetPort(t *testing.T) {
portrange, _ := NewPortrange(1000, 1999)
port, err := portrange.Get()
require.Nil(t, err)
require.Equal(t, 1000, port)
}
func TestGetPutPort(t *testing.T) {
portrange, _ := NewPortrange(1000, 1999)
port, err := portrange.Get()
require.Nil(t, err)
require.Equal(t, 1000, port)
port, err = portrange.Get()
require.Nil(t, err)
require.Equal(t, 1001, port)
portrange.Put(1000)
port, err = portrange.Get()
require.Nil(t, err)
require.Equal(t, 1000, port)
}
func TestPortUnavailable(t *testing.T) {
portrange, _ := NewPortrange(1000, 1999)
for i := 0; i < 1000; i++ {
port, _ := portrange.Get()
require.Equal(t, 1000+i, port, "at index %d", i)
}
port, err := portrange.Get()
require.NotNil(t, err)
require.Less(t, port, 0)
}
func TestPutPort(t *testing.T) {
portrange, _ := NewPortrange(1000, 1999)
portrange.Put(999)
portrange.Put(1000)
portrange.Put(1999)
portrange.Put(2000)
}
func TestClampRange(t *testing.T) {
portrange, _ := NewPortrange(65000, 70000)
port, _ := portrange.Get()
require.Equal(t, 65000, port)
portrange.Put(65000)
for i := 65000; i <= 65535; i++ {
port, _ := portrange.Get()
require.Equal(t, i, port, "at index %d", i)
}
port, _ = portrange.Get()
require.Less(t, port, 0)
}
func TestDummyPortranger(t *testing.T) {
portrange := NewDummyPortrange()
port, err := portrange.Get()
require.Error(t, err)
require.Equal(t, 0, port)
portrange.Put(42)
}