1 files changed, 18 insertions, 1 deletions
diff --git a/test/mitmproxy/net/test_tls.py b/test/mitmproxy/net/test_tls.py
index 473163aa..d0583d34 100644
--- a/test/mitmproxy/net/test_tls.py
+++ b/test/mitmproxy/net/test_tls.py
@@ -1,10 +1,13 @@
+import pytest
+
+from mitmproxy import exceptions
 from mitmproxy.net import tls
 from mitmproxy.net.tcp import TCPClient
 from test.mitmproxy.net.test_tcp import EchoHandler
 from . import tservers
 
 
-class TestSSLKeyLogger(tservers.ServerTestBase):
+class TestMasterSecretLogger(tservers.ServerTestBase):
     handler = EchoHandler
     ssl = dict(
         cipher_list="AES256-SHA"
@@ -36,3 +39,17 @@ class TestSSLKeyLogger(tservers.ServerTestBase):
             tls.MasterSecretLogger.create_logfun("test"),
             tls.MasterSecretLogger)
         assert not tls.MasterSecretLogger.create_logfun(False)
+
+
+class TestTLSInvalid:
+    def test_invalid_ssl_method_should_fail(self):
+        fake_ssl_method = 100500
+        with pytest.raises(exceptions.TlsException):
+            tls.create_client_context(method=fake_ssl_method)
+
+    def test_alpn_error(self):
+        with pytest.raises(exceptions.TlsException, match="must be a function"):
+            tls.create_client_context(alpn_select_callback="foo")
+
+        with pytest.raises(exceptions.TlsException, match="ALPN error"):
+            tls.create_client_context(alpn_select="foo", alpn_select_callback="bar")