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https://github.com/StackExchange/dnscontrol.git
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e32bdc053f
Co-authored-by: Tom Limoncelli <tlimoncelli@stackoverflow.com> Co-authored-by: Tom Limoncelli <tal@whatexit.org>
69 lines
3.2 KiB
Go
69 lines
3.2 KiB
Go
package dnsgraph_test
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import (
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"testing"
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"github.com/StackExchange/dnscontrol/v4/pkg/dnsgraph"
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"github.com/StackExchange/dnscontrol/v4/pkg/dnsgraph/testutils"
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"github.com/stretchr/testify/assert"
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)
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func Test_CreateGraph(t *testing.T) {
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changes := []testutils.StubRecord{
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{NameFQDN: "example.com", Dependencies: []dnsgraph.Dependency{}},
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{NameFQDN: "mail.example.com", Dependencies: []dnsgraph.Dependency{{Type: dnsgraph.ForwardDependency, NameFQDN: "example.com"}, {Type: dnsgraph.ForwardDependency, NameFQDN: "someserver.example.com"}}},
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{NameFQDN: "*.hq.example.com", Dependencies: []dnsgraph.Dependency{{Type: dnsgraph.ForwardDependency, NameFQDN: "example.com"}}},
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{NameFQDN: "someserver.example.com", Dependencies: []dnsgraph.Dependency{{Type: dnsgraph.ForwardDependency, NameFQDN: "a.hq.example.com"}, {Type: dnsgraph.ForwardDependency, NameFQDN: "b.hq.example.com"}}},
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}
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graph := dnsgraph.CreateGraph(testutils.StubRecordsAsGraphable(changes))
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nodes := graph.Tree.Get("example.com")
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assert.Len(t, nodes, 1)
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assert.Len(t, nodes[0].Edges, 2)
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assert.Equal(t, "mail.example.com", nodes[0].Edges[0].Node.Data.GetName())
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assert.Equal(t, dnsgraph.IncomingEdge, nodes[0].Edges[0].Direction)
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assert.Equal(t, "*.hq.example.com", nodes[0].Edges[1].Node.Data.GetName())
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nodes = graph.Tree.Get("someserver.example.com")
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assert.Len(t, nodes, 1)
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// *.hq.example.com is added once
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assert.Len(t, nodes[0].Edges, 2)
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assert.Equal(t, "mail.example.com", nodes[0].Edges[0].Node.Data.GetName())
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assert.Equal(t, dnsgraph.IncomingEdge, nodes[0].Edges[0].Direction)
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assert.Equal(t, "*.hq.example.com", nodes[0].Edges[1].Node.Data.GetName())
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assert.Equal(t, dnsgraph.OutgoingEdge, nodes[0].Edges[1].Direction)
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nodes = graph.Tree.Get("a.hq.example.com")
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assert.Len(t, nodes, 1)
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// someserver.example.com is added once
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assert.Len(t, nodes[0].Edges, 2)
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assert.Equal(t, "example.com", nodes[0].Edges[0].Node.Data.GetName())
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assert.Equal(t, dnsgraph.OutgoingEdge, nodes[0].Edges[0].Direction)
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assert.Equal(t, "someserver.example.com", nodes[0].Edges[1].Node.Data.GetName())
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assert.Equal(t, dnsgraph.IncomingEdge, nodes[0].Edges[1].Direction)
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}
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func Test_RemoveNode(t *testing.T) {
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changes := []testutils.StubRecord{
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{NameFQDN: "example.com", Dependencies: []dnsgraph.Dependency{}},
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{NameFQDN: "mail.example.com", Dependencies: []dnsgraph.Dependency{{Type: dnsgraph.ForwardDependency, NameFQDN: "example.com"}, {Type: dnsgraph.ForwardDependency, NameFQDN: "someserver.example.com"}}},
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{NameFQDN: "*.hq.example.com", Dependencies: []dnsgraph.Dependency{{Type: dnsgraph.ForwardDependency, NameFQDN: "example.com"}}},
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{NameFQDN: "someserver.example.com", Dependencies: []dnsgraph.Dependency{{Type: dnsgraph.ForwardDependency, NameFQDN: "a.hq.example.com"}, {Type: dnsgraph.ForwardDependency, NameFQDN: "b.hq.example.com"}}},
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}
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graph := dnsgraph.CreateGraph(testutils.StubRecordsAsGraphable(changes))
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graph.RemoveNode(graph.Tree.Get("example.com")[0])
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// example.com change has been removed
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nodes := graph.Tree.Get("example.com")
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assert.Len(t, nodes, 0)
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nodes = graph.Tree.Get("a.hq.example.com")
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assert.Len(t, nodes, 1)
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assert.Len(t, nodes[0].Edges, 1)
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assert.Equal(t, "someserver.example.com", nodes[0].Edges[0].Node.Data.GetName())
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}
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