mirror of
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89 lines
2.3 KiB
Go
89 lines
2.3 KiB
Go
package notifier
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import (
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"net/netip"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/netbirdio/netbird/route"
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)
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func routeFor(id route.ID, prefix string) *route.Route {
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return &route.Route{
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ID: id,
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NetID: "net",
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Network: netip.MustParsePrefix(prefix),
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}
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}
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// TestHasRouteDiff_IgnoresHACandidateCount is the reason the comparison
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// deduplicates. Every notification renews the TUN, and a renewed TUN
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// invalidates the sockets the embedded servers are listening on, so a peer
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// joining or leaving an HA group must not count as a route change when the
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// prefixes the TUN carries are identical.
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func TestHasRouteDiff_IgnoresHACandidateCount(t *testing.T) {
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onePeer := []*route.Route{routeFor("a", "10.0.0.0/24")}
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twoPeers := []*route.Route{
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routeFor("a", "10.0.0.0/24"),
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routeFor("b", "10.0.0.0/24"),
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}
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assert.False(t, hasRouteDiff(onePeer, twoPeers),
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"a second peer serving the same prefix is not a route change")
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assert.False(t, hasRouteDiff(twoPeers, onePeer),
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"losing one of two peers serving the same prefix is not a route change")
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}
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func TestHasRouteDiff_ReportsRealChanges(t *testing.T) {
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tests := []struct {
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name string
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a []*route.Route
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b []*route.Route
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want bool
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}{
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{
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name: "added prefix",
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a: []*route.Route{routeFor("a", "10.0.0.0/24")},
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b: []*route.Route{routeFor("a", "10.0.0.0/24"), routeFor("b", "10.0.1.0/24")},
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want: true,
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},
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{
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name: "removed prefix",
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a: []*route.Route{routeFor("a", "10.0.0.0/24"), routeFor("b", "10.0.1.0/24")},
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b: []*route.Route{routeFor("a", "10.0.0.0/24")},
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want: true,
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},
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{
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name: "replaced prefix",
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a: []*route.Route{routeFor("a", "10.0.0.0/24")},
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b: []*route.Route{routeFor("a", "10.0.1.0/24")},
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want: true,
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},
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{
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name: "same prefix, different order",
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a: []*route.Route{routeFor("a", "10.0.1.0/24"), routeFor("b", "10.0.0.0/24")},
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b: []*route.Route{routeFor("b", "10.0.0.0/24"), routeFor("a", "10.0.1.0/24")},
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want: false,
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},
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{
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name: "all routes gone",
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a: []*route.Route{routeFor("a", "10.0.0.0/24")},
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b: nil,
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want: true,
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},
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{
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name: "both empty",
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a: nil,
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b: nil,
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want: false,
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},
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}
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for _, tc := range tests {
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t.Run(tc.name, func(t *testing.T) {
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assert.Equal(t, tc.want, hasRouteDiff(tc.a, tc.b),
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"route diff for %s", tc.name)
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})
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}
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}
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