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// Copyright 2013 Canonical Ltd.
// Licensed under the AGPLv3, see LICENCE file for details.
package instance
import (
jc "github.com/juju/testing/checkers"
gc "launchpad.net/gocheck"
"launchpad.net/juju-core/testing"
)
type AddressSuite struct {
testing.BaseSuite
}
var _ = gc.Suite(&AddressSuite{})
func (s *AddressSuite) TestNewAddressIpv4(c *gc.C) {
type test struct {
value string
scope NetworkScope
expectedScope NetworkScope
}
tests := []test{{
value: "127.0.0.1",
scope: NetworkUnknown,
expectedScope: NetworkMachineLocal,
}, {
value: "127.0.0.1",
scope: NetworkPublic,
expectedScope: NetworkPublic, // don't second guess != Unknown
}, {
value: "10.0.3.1",
scope: NetworkUnknown,
expectedScope: NetworkCloudLocal,
}, {
value: "172.16.15.14",
scope: NetworkUnknown,
expectedScope: NetworkCloudLocal,
}, {
value: "192.168.0.1",
scope: NetworkUnknown,
expectedScope: NetworkCloudLocal,
}, {
value: "8.8.8.8",
scope: NetworkUnknown,
expectedScope: NetworkPublic,
}}
for _, t := range tests {
c.Logf("test %s %s", t.value, t.scope)
addr := NewAddress(t.value, t.scope)
c.Check(addr.Value, gc.Equals, t.value)
c.Check(addr.Type, gc.Equals, Ipv4Address)
c.Check(addr.NetworkScope, gc.Equals, t.expectedScope)
}
}
func (s *AddressSuite) TestNewAddressIpv6(c *gc.C) {
addr := NewAddress("::1", NetworkUnknown)
c.Check(addr.Value, gc.Equals, "::1")
c.Check(addr.Type, gc.Equals, Ipv6Address)
c.Check(addr.NetworkScope, gc.Equals, NetworkMachineLocal)
addr = NewAddress("2001:DB8::1", NetworkUnknown)
c.Check(addr.Value, gc.Equals, "2001:DB8::1")
c.Check(addr.Type, gc.Equals, Ipv6Address)
c.Check(addr.NetworkScope, gc.Equals, NetworkUnknown)
}
func (s *AddressSuite) TestNewAddresses(c *gc.C) {
addresses := NewAddresses("127.0.0.1", "192.168.1.1", "192.168.178.255")
c.Assert(len(addresses), gc.Equals, 3)
c.Assert(addresses[0].Value, gc.Equals, "127.0.0.1")
c.Assert(addresses[0].NetworkScope, gc.Equals, NetworkMachineLocal)
c.Assert(addresses[1].Value, gc.Equals, "192.168.1.1")
c.Assert(addresses[1].NetworkScope, gc.Equals, NetworkCloudLocal)
c.Assert(addresses[2].Value, gc.Equals, "192.168.178.255")
c.Assert(addresses[2].NetworkScope, gc.Equals, NetworkCloudLocal)
}
func (s *AddressSuite) TestNewAddressHostname(c *gc.C) {
addr := NewAddress("localhost", NetworkUnknown)
c.Check(addr.Value, gc.Equals, "localhost")
c.Check(addr.Type, gc.Equals, HostName)
c.Check(addr.NetworkScope, gc.Equals, NetworkUnknown)
}
type selectTest struct {
about string
addresses []Address
expectedIndex int
}
// expected returns the expected address for the test.
func (t selectTest) expected() string {
if t.expectedIndex == -1 {
return ""
}
return t.addresses[t.expectedIndex].Value
}
type hostPortTest struct {
about string
hostPorts []HostPort
expectedIndex int
}
// hostPortTest returns the HostPort equivalent test to the
// receiving selectTest.
func (t selectTest) hostPortTest() hostPortTest {
hps := AddressesWithPort(t.addresses, 9999)
for i := range hps {
hps[i].Port = i + 1
}
return hostPortTest{
about: t.about,
hostPorts: hps,
expectedIndex: t.expectedIndex,
}
}
// expected returns the expected host:port result
// of the test.
func (t hostPortTest) expected() string {
if t.expectedIndex == -1 {
return ""
}
return t.hostPorts[t.expectedIndex].NetAddr()
}
var selectPublicTests = []selectTest{{
"no addresses gives empty string result",
[]Address{},
-1,
}, {
"a public address is selected",
[]Address{
{"8.8.8.8", Ipv4Address, "public", NetworkPublic},
},
0,
}, {
"a machine local address is not selected",
[]Address{
{"127.0.0.1", Ipv4Address, "machine", NetworkMachineLocal},
},
-1,
}, {
"an ipv6 address is not selected",
[]Address{
{"2001:DB8::1", Ipv6Address, "", NetworkPublic},
},
-1,
}, {
"a public name is preferred to an unknown or cloud local address",
[]Address{
{"127.0.0.1", Ipv4Address, "local", NetworkUnknown},
{"10.0.0.1", Ipv4Address, "cloud", NetworkCloudLocal},
{"public.invalid.testing", HostName, "public", NetworkPublic},
},
2,
}, {
"first unknown address selected",
[]Address{
{"10.0.0.1", Ipv4Address, "cloud", NetworkUnknown},
{"8.8.8.8", Ipv4Address, "floating", NetworkUnknown},
},
0,
}}
func (s *AddressSuite) TestSelectPublicAddress(c *gc.C) {
for i, t := range selectPublicTests {
c.Logf("test %d. %s", i, t.about)
c.Check(SelectPublicAddress(t.addresses), gc.Equals, t.expected())
}
}
func (s *AddressSuite) TestSelectPublicHostPort(c *gc.C) {
for i, t0 := range selectPublicTests {
t := t0.hostPortTest()
c.Logf("test %d. %s", i, t.about)
c.Assert(SelectPublicHostPort(t.hostPorts), gc.DeepEquals, t.expected())
}
}
var selectInternalTests = []selectTest{{
"no addresses gives empty string result",
[]Address{},
-1,
}, {
"a public address is selected",
[]Address{
{"8.8.8.8", Ipv4Address, "public", NetworkPublic},
},
0,
}, {
"a cloud local address is selected",
[]Address{
{"10.0.0.1", Ipv4Address, "private", NetworkCloudLocal},
},
0,
}, {
"a machine local address is not selected",
[]Address{
{"127.0.0.1", Ipv4Address, "machine", NetworkMachineLocal},
},
-1,
}, {
"ipv6 addresses are not selected",
[]Address{
{"::1", Ipv6Address, "", NetworkCloudLocal},
},
-1,
}, {
"a cloud local address is preferred to a public address",
[]Address{
{"10.0.0.1", Ipv4Address, "cloud", NetworkCloudLocal},
{"8.8.8.8", Ipv4Address, "public", NetworkPublic},
},
0,
}}
func (s *AddressSuite) TestSelectInternalAddress(c *gc.C) {
for i, t := range selectInternalTests {
c.Logf("test %d. %s", i, t.about)
c.Check(SelectInternalAddress(t.addresses, false), gc.Equals, t.expected())
}
}
func (s *AddressSuite) TestSelectInternalHostPort(c *gc.C) {
for i, t0 := range selectInternalTests {
t := t0.hostPortTest()
c.Logf("test %d. %s", i, t.about)
c.Assert(SelectInternalHostPort(t.hostPorts, false), gc.DeepEquals, t.expected())
}
}
var selectInternalMachineTests = []selectTest{{
"a cloud local address is selected",
[]Address{
{"10.0.0.1", Ipv4Address, "cloud", NetworkCloudLocal},
},
0,
}, {
"a machine local address is selected",
[]Address{
{"127.0.0.1", Ipv4Address, "container", NetworkMachineLocal},
},
0,
}}
func (s *AddressSuite) TestSelectInternalMachineAddress(c *gc.C) {
for i, t := range selectInternalMachineTests {
c.Logf("test %d. %s", i, t.about)
c.Check(SelectInternalAddress(t.addresses, true), gc.Equals, t.expected())
}
}
func (s *AddressSuite) TestSelectInternalMachineHostPort(c *gc.C) {
for i, t0 := range selectInternalMachineTests {
t := t0.hostPortTest()
c.Logf("test %d. %s", i, t.about)
c.Assert(SelectInternalHostPort(t.hostPorts, true), gc.DeepEquals, t.expected())
}
}
var stringTests = []struct {
addr Address
str string
}{{
addr: Address{
Type: Ipv4Address,
Value: "127.0.0.1",
},
str: "127.0.0.1",
}, {
addr: Address{
Type: HostName,
Value: "foo.com",
},
str: "foo.com",
}, {
addr: Address{
Type: HostName,
Value: "foo.com",
NetworkScope: NetworkUnknown,
},
str: "foo.com",
}, {
addr: Address{
Type: HostName,
Value: "foo.com",
NetworkScope: NetworkPublic,
},
str: "public:foo.com",
}, {
addr: Address{
Type: HostName,
Value: "foo.com",
NetworkScope: NetworkPublic,
NetworkName: "netname",
},
str: "public:foo.com(netname)",
}}
func (s *AddressSuite) TestString(c *gc.C) {
for _, test := range stringTests {
c.Check(test.addr.String(), gc.Equals, test.str)
}
}
func (*AddressSuite) TestAddressesWithPort(c *gc.C) {
addrs := NewAddresses("0.1.2.3", "0.2.4.6")
hps := AddressesWithPort(addrs, 999)
c.Assert(hps, jc.DeepEquals, []HostPort{{
Address: NewAddress("0.1.2.3", NetworkUnknown),
Port: 999,
}, {
Address: NewAddress("0.2.4.6", NetworkUnknown),
Port: 999,
}})
}
var netAddrTests = []struct {
addr Address
port int
expect string
}{{
addr: NewAddress("0.1.2.3", NetworkUnknown),
port: 99,
expect: "0.1.2.3:99",
}, {
addr: NewAddress("2001:DB8::1", NetworkUnknown),
port: 100,
expect: "[2001:DB8::1]:100",
}}
func (*AddressSuite) TestNetAddr(c *gc.C) {
for i, test := range netAddrTests {
c.Logf("test %d: %q", i, test.addr)
hp := HostPort{
Address: test.addr,
Port: test.port,
}
c.Assert(hp.NetAddr(), gc.Equals, test.expect)
}
}
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