mirror of
https://github.com/coredns/coredns.git
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91 lines
2.5 KiB
Go
91 lines
2.5 KiB
Go
package geoip
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import (
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"context"
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"fmt"
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"net"
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"testing"
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"github.com/coredns/coredns/plugin/metadata"
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"github.com/coredns/coredns/plugin/test"
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"github.com/coredns/coredns/request"
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"github.com/miekg/dns"
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)
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func TestMetadata(t *testing.T) {
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tests := []struct {
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label string
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expectedValue string
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}{
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{"geoip/city/name", "Cambridge"},
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{"geoip/country/code", "GB"},
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{"geoip/country/name", "United Kingdom"},
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// is_in_european_union is set to true only to work around bool zero value, and test is really being set.
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{"geoip/country/is_in_european_union", "true"},
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{"geoip/continent/code", "EU"},
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{"geoip/continent/name", "Europe"},
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{"geoip/latitude", "52.2242"},
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{"geoip/longitude", "0.1315"},
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{"geoip/timezone", "Europe/London"},
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{"geoip/postalcode", "CB4"},
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}
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knownIPAddr := "81.2.69.142" // This IP should be part of the CDIR address range used to create the database fixtures.
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for _, tc := range tests {
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t.Run(fmt.Sprintf("%s/%s", tc.label, "direct"), func(t *testing.T) {
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geoIP, err := newGeoIP(cityDBPath, false)
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if err != nil {
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t.Fatalf("unable to create geoIP plugin: %v", err)
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}
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state := request.Request{
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Req: new(dns.Msg),
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W: &test.ResponseWriter{RemoteIP: knownIPAddr},
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}
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testMetadata(t, state, geoIP, tc.label, tc.expectedValue)
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})
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t.Run(fmt.Sprintf("%s/%s", tc.label, "subnet"), func(t *testing.T) {
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geoIP, err := newGeoIP(cityDBPath, true)
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if err != nil {
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t.Fatalf("unable to create geoIP plugin: %v", err)
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}
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state := request.Request{
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Req: new(dns.Msg),
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W: &test.ResponseWriter{RemoteIP: "127.0.0.1"},
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}
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state.Req.SetEdns0(4096, false)
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if o := state.Req.IsEdns0(); o != nil {
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addr := net.ParseIP(knownIPAddr)
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o.Option = append(o.Option, (&dns.EDNS0_SUBNET{
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SourceNetmask: 32,
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Address: addr,
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}))
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}
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testMetadata(t, state, geoIP, tc.label, tc.expectedValue)
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})
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}
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}
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func testMetadata(t *testing.T, state request.Request, geoIP *GeoIP, label, expectedValue string) {
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ctx := metadata.ContextWithMetadata(context.Background())
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rCtx := geoIP.Metadata(ctx, state)
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if fmt.Sprintf("%p", ctx) != fmt.Sprintf("%p", rCtx) {
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t.Errorf("returned context is expected to be the same one passed in the Metadata function")
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}
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fn := metadata.ValueFunc(ctx, label)
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if fn == nil {
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t.Errorf("label %q not set in metadata plugin context", label)
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return
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}
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value := fn()
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if value != expectedValue {
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t.Errorf("expected value for label %q should be %q, got %q instead",
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label, expectedValue, value)
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}
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}
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