Files
ziti/controller/network/path_test.go
T
Paul Lorenz 549260d650 Persist terminator precedence. Fix link cost use/scaling. Fix link re… (#125)
* Persist terminator precedence. Fix link cost use/scaling. Fix link removal related panic. Fix service cache clearing on terminator change.

Fixes GH-112
Fixes GH-121
Fixes GH-122
Fixes GH-123
Fixes GH-124
2020-09-01 15:58:46 -04:00

100 lines
2.7 KiB
Go

/*
Copyright NetFoundry, Inc.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package network
import (
"github.com/openziti/fabric/controller/db"
"github.com/openziti/foundation/identity/identity"
"github.com/openziti/foundation/transport/tcp"
"github.com/stretchr/testify/assert"
"testing"
)
func TestShortestPath(t *testing.T) {
ctx := db.NewTestContext(t)
defer ctx.Cleanup()
req := assert.New(t)
nodeId := &identity.TokenId{Token: "test"}
network, err := NewNetwork(nodeId, nil, ctx.GetDb(), nil)
req.NoError(err)
addr := "tcp:0.0.0.0:0"
transportAddr, err := tcp.AddressParser{}.Parse(addr)
req.NoError(err)
r0 := newRouterForTest("r0", "", transportAddr, nil)
network.Routers.markConnected(r0)
r1 := newRouterForTest("r1", "", transportAddr, nil)
network.Routers.markConnected(r1)
r2 := newRouterForTest("r2", "", transportAddr, nil)
network.Routers.markConnected(r2)
r3 := newRouterForTest("r3", "", transportAddr, nil)
network.Routers.markConnected(r3)
link := newLink(&identity.TokenId{Token: "l0"})
link.SetStaticCost(2)
link.SetDstLatency(10 * 1_000_000)
link.SetSrcLatency(11 * 1_000_000)
link.Src = r0
link.Dst = r1
link.addState(newLinkState(Connected))
network.linkController.add(link)
link = newLink(&identity.TokenId{Token: "l1"})
link.SetStaticCost(5)
link.SetDstLatency(15 * 1_000_000)
link.SetSrcLatency(16 * 1_000_000)
link.Src = r0
link.Dst = r2
link.addState(newLinkState(Connected))
network.linkController.add(link)
link = newLink(&identity.TokenId{Token: "l2"})
link.SetStaticCost(9)
link.SetDstLatency(20 * 1_000_000)
link.SetSrcLatency(21 * 1_000_000)
link.Src = r1
link.Dst = r3
link.addState(newLinkState(Connected))
network.linkController.add(link)
link = newLink(&identity.TokenId{Token: "l3"})
link.SetStaticCost(13)
link.SetDstLatency(25 * 1_000_000)
link.SetSrcLatency(26 * 1_000_000)
link.Src = r2
link.Dst = r3
link.addState(newLinkState(Connected))
network.linkController.add(link)
path, cost, err := network.shortestPath(r0, r3)
req.NoError(err)
req.NotNil(t, path)
req.Equal(path[0], r0)
req.Equal(path[1], r1)
req.Equal(path[2], r3)
expected := 10 + 11 + 2 + // link1 cost and src and dest latency
9 + 20 + 21 // link2 cost and src and dest latency
req.Equal(int64(expected), cost)
}