/
state_test.go
248 lines (226 loc) · 7.73 KB
/
state_test.go
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// Copyright 2013 Canonical Ltd.
// Licensed under the AGPLv3, see LICENCE file for details.
package api_test
import (
stdtesting "testing"
"github.com/juju/names"
jc "github.com/juju/testing/checkers"
gc "gopkg.in/check.v1"
"github.com/juju/juju/api"
jujutesting "github.com/juju/juju/juju/testing"
"github.com/juju/juju/network"
coretesting "github.com/juju/juju/testing"
)
func TestAll(t *stdtesting.T) {
coretesting.MgoTestPackage(t)
}
type stateSuite struct {
jujutesting.JujuConnSuite
}
var _ = gc.Suite(&stateSuite{})
type slideSuite struct {
coretesting.BaseSuite
}
var _ = gc.Suite(&slideSuite{})
func (s *stateSuite) TestCloseMultipleOk(c *gc.C) {
c.Assert(s.APIState.Close(), gc.IsNil)
c.Assert(s.APIState.Close(), gc.IsNil)
c.Assert(s.APIState.Close(), gc.IsNil)
}
// OpenAPIWithoutLogin connects to the API and returns an api.State without
// actually calling st.Login already. The returned strings are the "tag" and
// "password" that we would have used to login.
func (s *stateSuite) OpenAPIWithoutLogin(c *gc.C) (api.Connection, names.Tag, string) {
info := s.APIInfo(c)
tag := info.Tag
password := info.Password
info.Tag = nil
info.Password = ""
apistate, err := api.Open(info, api.DialOpts{})
c.Assert(err, jc.ErrorIsNil)
return apistate, tag, password
}
func (s *stateSuite) TestAPIHostPortsAlwaysIncludesTheConnection(c *gc.C) {
hostportslist := s.APIState.APIHostPorts()
c.Check(hostportslist, gc.HasLen, 1)
serverhostports := hostportslist[0]
c.Check(serverhostports, gc.HasLen, 1)
// the other addresses, but always see this one as well.
info := s.APIInfo(c)
// We intentionally set this to invalid values
badServer := network.NewHostPorts(1234, "0.1.2.3")
badServer[0].Scope = network.ScopeMachineLocal
s.State.SetAPIHostPorts([][]network.HostPort{badServer})
apistate, err := api.Open(info, api.DialOpts{})
c.Assert(err, jc.ErrorIsNil)
defer apistate.Close()
hostports := apistate.APIHostPorts()
c.Check(hostports, gc.DeepEquals, [][]network.HostPort{
serverhostports,
badServer,
})
}
func (s *stateSuite) TestLoginSetsModelTag(c *gc.C) {
env, err := s.State.Model()
c.Assert(err, jc.ErrorIsNil)
apistate, tag, password := s.OpenAPIWithoutLogin(c)
defer apistate.Close()
// We haven't called Login yet, so the ModelTag shouldn't be set.
modelTag, err := apistate.ModelTag()
c.Check(err, gc.ErrorMatches, `"" is not a valid tag`)
c.Check(modelTag, gc.Equals, names.ModelTag{})
err = apistate.Login(tag, password, "")
c.Assert(err, jc.ErrorIsNil)
// Now that we've logged in, ModelTag should be updated correctly.
modelTag, err = apistate.ModelTag()
c.Check(err, jc.ErrorIsNil)
c.Check(modelTag, gc.Equals, env.ModelTag())
// The controller tag is also set, and since the model is the
// controller model, the uuid is the same.
controllerTag, err := apistate.ControllerTag()
c.Check(err, jc.ErrorIsNil)
c.Check(controllerTag, gc.Equals, env.ModelTag())
}
func (s *stateSuite) TestLoginTracksFacadeVersions(c *gc.C) {
apistate, tag, password := s.OpenAPIWithoutLogin(c)
defer apistate.Close()
// We haven't called Login yet, so the Facade Versions should be empty
c.Check(apistate.AllFacadeVersions(), gc.HasLen, 0)
err := apistate.Login(tag, password, "")
c.Assert(err, jc.ErrorIsNil)
// Now that we've logged in, AllFacadeVersions should be updated.
allVersions := apistate.AllFacadeVersions()
c.Check(allVersions, gc.Not(gc.HasLen), 0)
// For sanity checking, ensure that we have a v2 of the Client facade
c.Assert(allVersions["Client"], gc.Not(gc.HasLen), 0)
c.Check(allVersions["Client"][0], gc.Equals, 1)
}
func (s *stateSuite) TestAllFacadeVersionsSafeFromMutation(c *gc.C) {
allVersions := s.APIState.AllFacadeVersions()
clients := allVersions["Client"]
origClients := make([]int, len(clients))
copy(origClients, clients)
// Mutating the dict should not affect the cached versions
allVersions["Client"] = append(allVersions["Client"], 2597)
newVersions := s.APIState.AllFacadeVersions()
newClientVers := newVersions["Client"]
c.Check(newClientVers, gc.DeepEquals, origClients)
c.Check(newClientVers[len(newClientVers)-1], gc.Not(gc.Equals), 2597)
}
func (s *stateSuite) TestBestFacadeVersion(c *gc.C) {
c.Check(s.APIState.BestFacadeVersion("Client"), gc.Equals, 1)
}
func (s *stateSuite) TestAPIHostPortsMovesConnectedValueFirst(c *gc.C) {
hostportslist := s.APIState.APIHostPorts()
c.Check(hostportslist, gc.HasLen, 1)
serverhostports := hostportslist[0]
c.Check(serverhostports, gc.HasLen, 1)
goodAddress := serverhostports[0]
// the other addresses, but always see this one as well.
info := s.APIInfo(c)
// We intentionally set this to invalid values
badValue := network.HostPort{network.Address{
Value: "0.1.2.3",
Type: network.IPv4Address,
NetworkName: "",
Scope: network.ScopeMachineLocal,
}, 1234}
badServer := []network.HostPort{badValue}
extraAddress := network.HostPort{network.Address{
Value: "0.1.2.4",
Type: network.IPv4Address,
NetworkName: "",
Scope: network.ScopeMachineLocal,
}, 5678}
extraAddress2 := network.HostPort{network.Address{
Value: "0.1.2.1",
Type: network.IPv4Address,
NetworkName: "",
Scope: network.ScopeMachineLocal,
}, 9012}
serverExtra := []network.HostPort{
extraAddress, goodAddress, extraAddress2,
}
current := [][]network.HostPort{badServer, serverExtra}
s.State.SetAPIHostPorts(current)
apistate, err := api.Open(info, api.DialOpts{})
c.Assert(err, jc.ErrorIsNil)
defer apistate.Close()
hostports := apistate.APIHostPorts()
// We should have rotate the server we connected to as the first item,
// and the address of that server as the first address
sortedServer := []network.HostPort{
goodAddress, extraAddress, extraAddress2,
}
expected := [][]network.HostPort{sortedServer, badServer}
c.Check(hostports, gc.DeepEquals, expected)
}
var exampleHostPorts = []network.HostPort{{
Address: network.NewAddress("0.1.2.3"),
Port: 1234,
}, {
Address: network.NewAddress("0.1.2.4"),
Port: 5678,
}, {
Address: network.NewAddress("0.1.2.1"),
Port: 9012,
}, {
Address: network.NewAddress("0.1.9.1"),
Port: 8888,
}}
func (s *slideSuite) TestSlideToFrontNoOp(c *gc.C) {
servers := [][]network.HostPort{
{exampleHostPorts[0]},
{exampleHostPorts[1]},
}
// order should not have changed
expected := [][]network.HostPort{
{exampleHostPorts[0]},
{exampleHostPorts[1]},
}
api.SlideAddressToFront(servers, 0, 0)
c.Check(servers, gc.DeepEquals, expected)
}
func (s *slideSuite) TestSlideToFrontAddress(c *gc.C) {
servers := [][]network.HostPort{
{exampleHostPorts[0], exampleHostPorts[1], exampleHostPorts[2]},
{exampleHostPorts[3]},
}
// server order should not change, but ports should be switched
expected := [][]network.HostPort{
{exampleHostPorts[1], exampleHostPorts[0], exampleHostPorts[2]},
{exampleHostPorts[3]},
}
api.SlideAddressToFront(servers, 0, 1)
c.Check(servers, gc.DeepEquals, expected)
}
func (s *slideSuite) TestSlideToFrontServer(c *gc.C) {
servers := [][]network.HostPort{
{exampleHostPorts[0], exampleHostPorts[1]},
{exampleHostPorts[2]},
{exampleHostPorts[3]},
}
// server 1 should be slid to the front
expected := [][]network.HostPort{
{exampleHostPorts[2]},
{exampleHostPorts[0], exampleHostPorts[1]},
{exampleHostPorts[3]},
}
api.SlideAddressToFront(servers, 1, 0)
c.Check(servers, gc.DeepEquals, expected)
}
func (s *slideSuite) TestSlideToFrontBoth(c *gc.C) {
servers := [][]network.HostPort{
{exampleHostPorts[0]},
{exampleHostPorts[1], exampleHostPorts[2]},
{exampleHostPorts[3]},
}
// server 1 should be slid to the front
expected := [][]network.HostPort{
{exampleHostPorts[2], exampleHostPorts[1]},
{exampleHostPorts[0]},
{exampleHostPorts[3]},
}
api.SlideAddressToFront(servers, 1, 1)
c.Check(servers, gc.DeepEquals, expected)
}