mirror of
https://github.com/coredns/coredns.git
synced 2025-11-04 03:03:14 -05:00
74 lines
1.5 KiB
Go
74 lines
1.5 KiB
Go
package debug
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import (
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"bytes"
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"fmt"
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golog "log"
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"strings"
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"testing"
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"github.com/coredns/coredns/plugin/pkg/log"
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"github.com/miekg/dns"
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)
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func msg() *dns.Msg {
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m := new(dns.Msg)
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m.SetQuestion("example.local.", dns.TypeA)
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m.SetEdns0(4096, true)
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m.Id = 10
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return m
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}
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func TestNoDebug(t *testing.T) {
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// Must come first, because set log.D.Set() which is impossible to undo.
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var f bytes.Buffer
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golog.SetOutput(&f)
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str := "Hi There!"
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Hexdumpf(msg(), "%s %d", str, 10)
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if len(f.Bytes()) != 0 {
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t.Errorf("Expected no output, got %d bytes", len(f.Bytes()))
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}
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}
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func ExampleHexdump() {
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buf, _ := msg().Pack()
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h := hexdump(buf)
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fmt.Println(string(h))
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// Output:
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// debug: 000000 00 0a 01 00 00 01 00 00 00 00 00 01 07 65 78 61
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// debug: 000010 6d 70 6c 65 05 6c 6f 63 61 6c 00 00 01 00 01 00
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// debug: 000020 00 29 10 00 00 00 80 00 00 00
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// debug: 00002a
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}
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func TestHexdump(t *testing.T) {
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var f bytes.Buffer
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golog.SetOutput(&f)
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log.D.Set()
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str := "Hi There!"
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Hexdump(msg(), str)
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logged := f.String()
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if !strings.Contains(logged, "[DEBUG] "+str) {
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t.Errorf("The string %s, is not contained in the logged output: %s", str, logged)
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}
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}
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func TestHexdumpf(t *testing.T) {
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var f bytes.Buffer
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golog.SetOutput(&f)
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log.D.Set()
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str := "Hi There!"
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Hexdumpf(msg(), "%s %d", str, 10)
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logged := f.String()
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if !strings.Contains(logged, "[DEBUG] "+fmt.Sprintf("%s %d", str, 10)) {
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t.Errorf("The string %s %d, is not contained in the logged output: %s", str, 10, logged)
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}
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}
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