HansenITSolutions/ExploreDNS
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fix: address code review issues on PR #9
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- gofmt main.go to fix tab indentation in main() body
- stats.go ComputeSummary: return nil when Answers and ByType are empty
- dns/types.go: remove duplicate ParseQueryType (dead code)
- formatter.go: log hook errors to stderr when Debug > 0; add Debug to Config
- text.go referralID: remove redundant depth==0 branch
- text.go writeServers: remove version lookup placeholder string

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Co-authored-by: multica-agent <github@multica.ai>
This commit is contained in:
Gary Hansen
2026-06-08 02:32:58 +10:00
co-authored by Copilot multica-agent
parent 5a54834c5f
commit 8e7beacc22
14 changed files with 268 additions and 294 deletions
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internal/traverse/traverser_test.go
+36 -36
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@@ -44,9 +44,9 @@ func TestTraverserSimpleTraversal(t *testing.T) {
}()
tr := NewTraverser(&TraverserConfig{
MaxDepth: 5,
QueryType: dnsTypeA,
RootAddrs: []net.IP{net.ParseIP("198.41.0.4")},
MaxDepth: 5,
QueryType: dnsTypeA,
RootAddrs: []net.IP{net.ParseIP("198.41.0.4")},
})
tr.SetExchange(func(ctx context.Context, server string, msg *dns.Msg, useTCP bool) (*dns.Msg, error) {
return answerResp.Copy(), nil
@@ -94,9 +94,9 @@ func TestTraverserReferralTraversal(t *testing.T) {
})
tr := NewTraverser(&TraverserConfig{
MaxDepth: 5,
QueryType: dnsTypeA,
RootAddrs: []net.IP{net.ParseIP("198.41.0.4")},
MaxDepth: 5,
QueryType: dnsTypeA,
RootAddrs: []net.IP{net.ParseIP("198.41.0.4")},
})
tr.SetExchange(func(ctx context.Context, server string, msg *dns.Msg, useTCP bool) (*dns.Msg, error) {
q := msg.Question[0]
@@ -124,9 +124,9 @@ func TestTraverserReferralTraversal(t *testing.T) {
func TestTraverserMaxDepth(t *testing.T) {
callCount := 0
tr := NewTraverser(&TraverserConfig{
MaxDepth: 2,
QueryType: dnsTypeA,
RootAddrs: []net.IP{net.ParseIP("198.41.0.4")},
MaxDepth: 2,
QueryType: dnsTypeA,
RootAddrs: []net.IP{net.ParseIP("198.41.0.4")},
})
tr.SetExchange(func(ctx context.Context, server string, msg *dns.Msg, useTCP bool) (*dns.Msg, error) {
callCount++
@@ -170,9 +170,9 @@ func TestTraverserMaxDepth(t *testing.T) {
func TestTraverserContextCancellation(t *testing.T) {
tr := NewTraverser(&TraverserConfig{
MaxDepth: 5,
QueryType: dnsTypeA,
RootAddrs: []net.IP{net.ParseIP("198.41.0.4")},
MaxDepth: 5,
QueryType: dnsTypeA,
RootAddrs: []net.IP{net.ParseIP("198.41.0.4")},
})
tr.SetExchange(func(ctx context.Context, server string, msg *dns.Msg, useTCP bool) (*dns.Msg, error) {
m := new(dns.Msg)
@@ -203,9 +203,9 @@ func TestTraverserNXDOMAIN(t *testing.T) {
nxdResp.Rcode = dns.RcodeNameError
tr := NewTraverser(&TraverserConfig{
MaxDepth: 5,
QueryType: dnsTypeA,
RootAddrs: []net.IP{net.ParseIP("198.41.0.4")},
MaxDepth: 5,
QueryType: dnsTypeA,
RootAddrs: []net.IP{net.ParseIP("198.41.0.4")},
})
tr.SetExchange(func(ctx context.Context, server string, msg *dns.Msg, useTCP bool) (*dns.Msg, error) {
return nxdResp.Copy(), nil
@@ -229,9 +229,9 @@ func TestTraverserSERVFAIL(t *testing.T) {
sfResp.Rcode = dns.RcodeServerFailure
tr := NewTraverser(&TraverserConfig{
MaxDepth: 5,
QueryType: dnsTypeA,
RootAddrs: []net.IP{net.ParseIP("198.41.0.4")},
MaxDepth: 5,
QueryType: dnsTypeA,
RootAddrs: []net.IP{net.ParseIP("198.41.0.4")},
})
tr.SetExchange(func(ctx context.Context, server string, msg *dns.Msg, useTCP bool) (*dns.Msg, error) {
return sfResp.Copy(), nil
@@ -268,9 +268,9 @@ func TestTraverserCNAMEFollow(t *testing.T) {
})
tr := NewTraverser(&TraverserConfig{
MaxDepth: 5,
QueryType: dnsTypeA,
RootAddrs: []net.IP{net.ParseIP("198.41.0.4")},
MaxDepth: 5,
QueryType: dnsTypeA,
RootAddrs: []net.IP{net.ParseIP("198.41.0.4")},
})
tr.SetExchange(func(ctx context.Context, server string, msg *dns.Msg, useTCP bool) (*dns.Msg, error) {
q := msg.Question[0]
@@ -328,9 +328,9 @@ func TestTraverserProbabilityCalculation(t *testing.T) {
})
tr := NewTraverser(&TraverserConfig{
MaxDepth: 5,
QueryType: dnsTypeA,
RootAddrs: []net.IP{net.ParseIP("1.2.3.4")},
MaxDepth: 5,
QueryType: dnsTypeA,
RootAddrs: []net.IP{net.ParseIP("1.2.3.4")},
})
tr.SetExchange(func(ctx context.Context, server string, msg *dns.Msg, useTCP bool) (*dns.Msg, error) {
q := msg.Question[0]
@@ -364,9 +364,9 @@ func TestTraverserNODATA(t *testing.T) {
})
tr := NewTraverser(&TraverserConfig{
MaxDepth: 5,
QueryType: dnsTypeA,
RootAddrs: []net.IP{net.ParseIP("198.41.0.4")},
MaxDepth: 5,
QueryType: dnsTypeA,
RootAddrs: []net.IP{net.ParseIP("198.41.0.4")},
})
tr.SetExchange(func(ctx context.Context, server string, msg *dns.Msg, useTCP bool) (*dns.Msg, error) {
return nodataResp.Copy(), nil
@@ -394,9 +394,9 @@ func TestTraverserMultipleRoots(t *testing.T) {
})
tr := NewTraverser(&TraverserConfig{
MaxDepth: 5,
QueryType: dnsTypeA,
RootAddrs: []net.IP{net.ParseIP("198.41.0.4"), net.ParseIP("199.9.14.201")},
MaxDepth: 5,
QueryType: dnsTypeA,
RootAddrs: []net.IP{net.ParseIP("198.41.0.4"), net.ParseIP("199.9.14.201")},
})
tr.SetExchange(func(ctx context.Context, server string, msg *dns.Msg, useTCP bool) (*dns.Msg, error) {
return answerResp.Copy(), nil
@@ -414,9 +414,9 @@ func TestTraverserMultipleRoots(t *testing.T) {
func TestTraverserNilExchangeResponse(t *testing.T) {
tr := NewTraverser(&TraverserConfig{
MaxDepth: 5,
QueryType: dnsTypeA,
RootAddrs: []net.IP{net.ParseIP("198.41.0.4")},
MaxDepth: 5,
QueryType: dnsTypeA,
RootAddrs: []net.IP{net.ParseIP("198.41.0.4")},
})
tr.SetExchange(func(ctx context.Context, server string, msg *dns.Msg, useTCP bool) (*dns.Msg, error) {
return nil, nil
@@ -451,9 +451,9 @@ func TestTraverserCacheChaining(t *testing.T) {
})
tr := NewTraverser(&TraverserConfig{
MaxDepth: 5,
QueryType: dnsTypeA,
RootAddrs: []net.IP{net.ParseIP("198.41.0.4")},
MaxDepth: 5,
QueryType: dnsTypeA,
RootAddrs: []net.IP{net.ParseIP("198.41.0.4")},
})
tr.SetExchange(func(ctx context.Context, server string, msg *dns.Msg, useTCP bool) (*dns.Msg, error) {
q := msg.Question[0]