Hello Gophers,
I'm running unit test in my local windows machine (Windows 11 Pro) and I
get a test failure for TestLookupLocalPtr using my locally compiled Go 1.25
here is the test command that I run
PS C:\Users\grand\projects\go\src\net> ../../bin/go test -v ./...
=== RUN TestLookupLocalPTR
lookup_windows_test.go:174: different results 192.168.1.56:
exp:["host.docker.internal."]
got:["gateway.docker.internal.","host.docker.internal."]
Upon checking the unit test, it looks like it's testing whether *LookupAddr*
and *lookupPTR* retuns the same result
I believe *LookupAddr* is getting the DNSs by calling Windows API and
looking at the *C:\Windows\System32\drivers\etc\hosts *
my hosts file indeed has 2 entries for the IP:
# Added by Docker Desktop
192.168.1.56 host.docker.internal
192.168.1.56 gateway.docker.internal
while *lookupPTR* implementation seems to rely on the output from ping
essentially it's this ping command *ping -n -1 -a <addr>* and doing a regex
matching `(?m)^Pinging\s+([a-zA-Z0-9.\-]+)\s+\[.*$`
I tested the ping command in my windows
(base) C:\Users\grand>ping -n 1 -a 192.168.1.56
Pinging host.docker.internal [192.168.1.56] with 32 bytes of data:
Reply from 192.168.1.56: bytes=32 time<1ms TTL=128
Ping statistics for 192.168.1.56:
Packets: Sent = 1, Received = 1, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 0ms, Average = 0ms
And it only produces 1 result
I was about to open an issue in Github, however, I have limited background
knowledge for this and I would like some inputs whether this is an issue in
the unit test or is an issue in the implementation of some of the functions
Let me know should you require more info
Thank you for your inputs!
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