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2f9f30934a
Add tests for previously untested functions: - edns0.go: test supportedOptions function - request.go: test address methods, protocol handling, and EDNS0 options - writer.go: test ScrubWriter implementation Improves overall package test coverage from 39.5% to 77.8%. Signed-off-by: Ville Vesilehto <ville@vesilehto.fi>
52 lines
1.1 KiB
Go
52 lines
1.1 KiB
Go
package request
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import (
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"fmt"
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"testing"
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"github.com/coredns/coredns/plugin/test"
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"github.com/miekg/dns"
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)
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// mockResponseWriter implements dns.ResponseWriter interface for testing
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type mockResponseWriter struct {
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test.ResponseWriter
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lastMsg *dns.Msg
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}
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func (m *mockResponseWriter) WriteMsg(msg *dns.Msg) error {
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m.lastMsg = msg
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return nil
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}
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func TestScrubWriter(t *testing.T) {
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req := new(dns.Msg)
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req.SetQuestion("example.com.", dns.TypeA)
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req.SetEdns0(4096, true)
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mock := &mockResponseWriter{}
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sw := NewScrubWriter(req, mock)
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// Create a large response message
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resp := new(dns.Msg)
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resp.SetReply(req)
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// Add a lot of records to make it large
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for i := 1; i < 100; i++ {
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resp.Answer = append(resp.Answer, test.A(
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fmt.Sprintf("example.com. 10 IN A 10.0.0.%d", i)))
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}
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// Write the message through ScrubWriter
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err := sw.WriteMsg(resp)
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if err != nil {
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t.Errorf("Expected no error, got: %v", err)
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}
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// Verify that ScrubWriter called methods properly
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if mock.lastMsg == nil {
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t.Fatalf("Expected WriteMsg to be called with a message")
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}
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}
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