mirror of
https://github.com/openziti/ziti.git
synced 2026-09-11 21:38:58 +00:00
Paul Lorenz
103 lines
2.8 KiB
Go
103 lines
2.8 KiB
Go
/*
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Copyright NetFoundry, Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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https://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package network
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import (
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"github.com/openziti/fabric/controller/db"
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"github.com/openziti/foundation/identity/identity"
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"github.com/openziti/foundation/transport/tcp"
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"github.com/stretchr/testify/assert"
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"testing"
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)
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func TestShortestPath(t *testing.T) {
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ctx := db.NewTestContext(t)
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defer ctx.Cleanup()
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req := assert.New(t)
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closeNotify := make(chan struct{})
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defer close(closeNotify)
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nodeId := &identity.TokenId{Token: "test"}
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network, err := NewNetwork(nodeId, nil, ctx.GetDb(), nil, NewVersionProviderTest(), closeNotify)
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req.NoError(err)
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addr := "tcp:0.0.0.0:0"
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transportAddr, err := tcp.AddressParser{}.Parse(addr)
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req.NoError(err)
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r0 := newRouterForTest("r0", "", transportAddr, nil)
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network.Routers.markConnected(r0)
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r1 := newRouterForTest("r1", "", transportAddr, nil)
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network.Routers.markConnected(r1)
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r2 := newRouterForTest("r2", "", transportAddr, nil)
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network.Routers.markConnected(r2)
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r3 := newRouterForTest("r3", "", transportAddr, nil)
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network.Routers.markConnected(r3)
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link := newLink(&identity.TokenId{Token: "l0"})
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link.SetStaticCost(2)
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link.SetDstLatency(10 * 1_000_000)
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link.SetSrcLatency(11 * 1_000_000)
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link.Src = r0
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link.Dst = r1
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link.addState(newLinkState(Connected))
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network.linkController.add(link)
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link = newLink(&identity.TokenId{Token: "l1"})
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link.SetStaticCost(5)
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link.SetDstLatency(15 * 1_000_000)
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link.SetSrcLatency(16 * 1_000_000)
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link.Src = r0
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link.Dst = r2
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link.addState(newLinkState(Connected))
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network.linkController.add(link)
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link = newLink(&identity.TokenId{Token: "l2"})
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link.SetStaticCost(9)
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link.SetDstLatency(20 * 1_000_000)
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link.SetSrcLatency(21 * 1_000_000)
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link.Src = r1
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link.Dst = r3
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link.addState(newLinkState(Connected))
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network.linkController.add(link)
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link = newLink(&identity.TokenId{Token: "l3"})
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link.SetStaticCost(13)
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link.SetDstLatency(25 * 1_000_000)
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link.SetSrcLatency(26 * 1_000_000)
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link.Src = r2
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link.Dst = r3
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link.addState(newLinkState(Connected))
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network.linkController.add(link)
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path, cost, err := network.shortestPath(r0, r3)
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req.NoError(err)
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req.NotNil(t, path)
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req.Equal(path[0], r0)
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req.Equal(path[1], r1)
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req.Equal(path[2], r3)
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expected := 10 + 11 + 2 + // link1 cost and src and dest latency
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9 + 20 + 21 // link2 cost and src and dest latency
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req.Equal(int64(expected), cost)
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}
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