Add resolve tests.

test/test_resolve.py

@@ -0,0 +1,85 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+import socket
+import pytest
+
+
+# pylint: disable=attribute-defined-outside-init,protected-access
+class TestResolve(object):
+	@pytest.fixture(autouse=True)
+	def init(self, ssh_audit):
+		self.AuditConf = ssh_audit.AuditConf
+		self.audit = ssh_audit.audit
+		self.ssh = ssh_audit.SSH
+	
+	def _conf(self):
+		conf = self.AuditConf('localhost', 22)
+		conf.colors = False
+		conf.batch = True
+		return conf
+	
+	def test_resolve_error(self, output_spy, virtual_socket):
+		vsocket = virtual_socket
+		vsocket.gsock.addrinfodata['localhost#22'] = socket.gaierror(8, 'hostname nor servname provided, or not known')
+		s = self.ssh.Socket('localhost', 22)
+		conf = self._conf()
+		output_spy.begin()
+		with pytest.raises(SystemExit):
+			r = list(s._resolve(conf.ipvo))
+		lines = output_spy.flush()
+		assert len(lines) == 1
+		assert 'hostname nor servname provided' in lines[-1]
+	
+	def test_resolve_hostname_without_records(self, output_spy, virtual_socket):
+		vsocket = virtual_socket
+		vsocket.gsock.addrinfodata['localhost#22'] = []
+		s = self.ssh.Socket('localhost', 22)
+		conf = self._conf()
+		output_spy.begin()
+		r = list(s._resolve(conf.ipvo))
+		assert len(r) == 0
+	
+	def test_resolve_ipv4(self, virtual_socket):
+		vsocket = virtual_socket
+		conf = self._conf()
+		conf.ipv4 = True
+		s = self.ssh.Socket('localhost', 22)
+		r = list(s._resolve(conf.ipvo))
+		assert len(r) == 1
+		assert r[0] == (socket.AF_INET, ('127.0.0.1', 22))
+	
+	def test_resolve_ipv6(self, virtual_socket):
+		vsocket = virtual_socket
+		s = self.ssh.Socket('localhost', 22)
+		conf = self._conf()
+		conf.ipv6 = True
+		r = list(s._resolve(conf.ipvo))
+		assert len(r) == 1
+		assert r[0] == (socket.AF_INET6, ('::1', 22))
+	
+	def test_resolve_ipv46_both(self, virtual_socket):
+		vsocket = virtual_socket
+		s = self.ssh.Socket('localhost', 22)
+		conf = self._conf()
+		r = list(s._resolve(conf.ipvo))
+		assert len(r) == 2
+		assert r[0] == (socket.AF_INET, ('127.0.0.1', 22))
+		assert r[1] == (socket.AF_INET6, ('::1', 22))
+	
+	def test_resolve_ipv46_order(self, virtual_socket):
+		vsocket = virtual_socket
+		s = self.ssh.Socket('localhost', 22)
+		conf = self._conf()
+		conf.ipv4 = True
+		conf.ipv6 = True
+		r = list(s._resolve(conf.ipvo))
+		assert len(r) == 2
+		assert r[0] == (socket.AF_INET, ('127.0.0.1', 22))
+		assert r[1] == (socket.AF_INET6, ('::1', 22))
+		conf = self._conf()
+		conf.ipv6 = True
+		conf.ipv4 = True
+		r = list(s._resolve(conf.ipvo))
+		assert len(r) == 2
+		assert r[0] == (socket.AF_INET6, ('::1', 22))
+		assert r[1] == (socket.AF_INET, ('127.0.0.1', 22))