1 files changed, 81 insertions, 0 deletions
diff --git a/test/test_resolve.py b/test/test_resolve.py
new file mode 100644
index 0000000..41f0c87
--- /dev/null
+++ b/test/test_resolve.py
@@ -0,0 +1,81 @@
+import socket
+import pytest
+
+
+# pylint: disable=attribute-defined-outside-init,protected-access
+class TestResolve:
+    @pytest.fixture(autouse=True)
+    def init(self, ssh_audit):
+        self.AuditConf = ssh_audit.AuditConf
+        self.audit = ssh_audit.audit
+        self.OutputBuffer = ssh_audit.OutputBuffer
+        self.ssh_socket = ssh_audit.SSH_Socket
+
+    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')
+        conf = self._conf()
+        s = self.ssh_socket(self.OutputBuffer(), 'localhost', 22, conf.ip_version_preference)
+        # output_spy.begin()
+        with pytest.raises(socket.gaierror):
+            list(s._resolve())
+        # 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'] = []
+        conf = self._conf()
+        s = self.ssh_socket(self.OutputBuffer(), 'localhost', 22, conf.ip_version_preference)
+        output_spy.begin()
+        r = list(s._resolve())
+        assert len(r) == 0
+
+    def test_resolve_ipv4(self, virtual_socket):
+        conf = self._conf()
+        conf.ipv4 = True
+        s = self.ssh_socket(self.OutputBuffer(), 'localhost', 22, conf.ip_version_preference)
+        r = list(s._resolve())
+        assert len(r) == 1
+        assert r[0] == (socket.AF_INET, ('127.0.0.1', 22))
+
+    def test_resolve_ipv6(self, virtual_socket):
+        conf = self._conf()
+        conf.ipv6 = True
+        s = self.ssh_socket(self.OutputBuffer(), 'localhost', 22, conf.ip_version_preference)
+        r = list(s._resolve())
+        assert len(r) == 1
+        assert r[0] == (socket.AF_INET6, ('::1', 22))
+
+    def test_resolve_ipv46_both(self, virtual_socket):
+        conf = self._conf()
+        s = self.ssh_socket(self.OutputBuffer(), 'localhost', 22, conf.ip_version_preference)
+        r = list(s._resolve())
+        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):
+        conf = self._conf()
+        conf.ipv4 = True
+        conf.ipv6 = True
+        s = self.ssh_socket(self.OutputBuffer(), 'localhost', 22, conf.ip_version_preference)
+        r = list(s._resolve())
+        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
+        s = self.ssh_socket(self.OutputBuffer(), 'localhost', 22, conf.ip_version_preference)
+        r = list(s._resolve())
+        assert len(r) == 2
+        assert r[0] == (socket.AF_INET6, ('::1', 22))
+        assert r[1] == (socket.AF_INET, ('127.0.0.1', 22))