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# Test that the esp32's socket module performs DNS resolutions on bind and connect
import sys
if sys.implementation.name == "micropython" and sys.platform != "esp32":
print("SKIP")
raise SystemExit
import socket, sys
def test_bind_resolves_0_0_0_0():
s = socket.socket()
try:
s.bind(("0.0.0.0", 31245))
print("bind actually bound")
s.close()
except Exception as e:
print("bind raised", e)
def test_bind_resolves_localhost():
s = socket.socket()
try:
s.bind(("localhost", 31245))
print("bind actually bound")
s.close()
except Exception as e:
print("bind raised", e)
def test_connect_resolves():
s = socket.socket()
try:
s.connect(("micropython.org", 80))
print("connect actually connected")
s.close()
except Exception as e:
print("connect raised", e)
def test_connect_non_existent():
s = socket.socket()
try:
s.connect(("nonexistent.example.com", 80))
print("connect actually connected")
s.close()
except OSError as e:
print("connect raised OSError")
except Exception as e:
print("connect raised", e)
test_funs = [n for n in dir() if n.startswith("test_")]
for f in sorted(test_funs):
print("--", f, end=": ")
eval(f + "()")
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