tests(server): add server tests

src/server.py

@@ -39,16 +39,7 @@ class StaplerServer:
         self.data_dir.init()
         self.token_manager.init()
 
-    def __create_https_context(self, server: http.server.HTTPServer) -> bool:
-        https = False
-        if (
-            context := self.cert_manager.get_https_context(self.default_host)
-        ) is not None:
-            https = True
-            server.socket = context.wrap_socket(server.socket, server_side=True)
-        return https
-
-    def __request_handler(
+    def __request_handler(  # pragma: no cover
         self, *args: typing.Any
     ) -> http.server.BaseHTTPRequestHandler:
         return handlers.RequestHandler(
@@ -89,7 +80,7 @@ class StaplerServer:
         )
         return server, context is not None
 
-    def __upgrade_handler(
+    def __upgrade_handler(  # pragma: no cover
         self, *args: typing.Any
     ) -> http.server.BaseHTTPRequestHandler:
         return handlers.UpgradeHandler(

tests/test_server.py

@@ -0,0 +1,102 @@
+import logging
+import ssl
+import typing
+import unittest
+import unittest.mock
+
+from src.cert_manager import CertManager
+from src.data_dir import DataDir
+from src.params import Parameters
+from src.registry import Registry
+from src.server import StaplerServer
+from src.token_manager import TokenManager
+
+from . import BaseTestCase
+
+
+class TestStaplerServer(BaseTestCase):
+    @typing.override
+    def setUp(self) -> None:
+        self.server = StaplerServer(Parameters())
+        self.server.logger = unittest.mock.Mock(logging.Logger)
+        self.registry = self.server.registry = self.mock(Registry)
+        self.cert_manager = self.server.cert_manager = self.mock(CertManager)
+        self.token_manager = self.server.token_manager = self.mock(TokenManager)
+        self.data_dir = self.server.data_dir = self.mock(DataDir)
+        self.server_mock = unittest.mock.MagicMock()
+        self.context_mock = unittest.mock.Mock(ssl.SSLContext)
+        super().setUp()
+
+    def test_renew(self) -> None:
+        with (
+            self.mock_call(self.registry.load_pages),
+            self.mock_calls(
+                self.registry.get_hosts, [[], []], [["host_1"], ["host_1"]]
+            ),
+            self.mock_call(self.cert_manager.init, [["localhost", "host_1"]]),
+            self.mock_calls(
+                self.cert_manager.create_or_update, [["localhost"], ["host_1"]]
+            ),
+            self.seal_mocks(),
+        ):
+            self.assertEqual(self.server.renew(), 0)
+
+    def test_renew_without_certificates(self) -> None:
+        self.server.params = Parameters(with_certificates=False)
+        self.seal_mocks()
+        self.assertEqual(self.server.renew(), 1)
+
+    def test_token(self) -> None:
+        with (
+            self.mock_call(self.registry.load_pages),
+            self.mock_call(self.token_manager.init),
+            self.mock_call(self.token_manager.new_token),
+            self.seal_mocks(),
+        ):
+            self.assertEqual(self.server.token(), 0)
+
+    def test_run_http(self) -> None:
+        self.server.params = Parameters(https=False, with_certificates=False)
+        with (
+            self.mock_call(self.registry.load_pages),
+            self.mock_call(self.data_dir.init),
+            self.mock_call(self.token_manager.init),
+            self.patch("http.server.ThreadingHTTPServer", self.server_mock),
+            self.mock_call(self.server_mock.serve_forever),
+            self.seal_mocks(),
+        ):
+            self.assertEqual(self.server.run(), 0)
+
+    def test_run_https_fail(self) -> None:
+        with (
+            self.mock_call(self.registry.load_pages),
+            self.mock_call(self.registry.get_hosts, [], []),
+            self.mock_call(self.cert_manager.init, [["localhost"]]),
+            self.mock_call(self.data_dir.init),
+            self.mock_call(self.token_manager.init),
+            self.mock_call(self.cert_manager.get_https_context, ["localhost"]),
+            self.patch("http.server.ThreadingHTTPServer", self.server_mock),
+            self.mock_call(self.server_mock.serve_forever),
+            self.seal_mocks(),
+        ):
+            self.assertEqual(self.server.run(), 0)
+
+    def test_run_https(self) -> None:
+        with (
+            self.mock_call(self.registry.load_pages),
+            self.mock_call(self.registry.get_hosts, [], []),
+            self.mock_call(self.cert_manager.init, [["localhost"]]),
+            self.mock_call(self.data_dir.init),
+            self.mock_call(self.token_manager.init),
+            self.mock_call(
+                self.cert_manager.get_https_context,
+                ["localhost"],
+                self.context_mock,
+            ),
+            self.patch("http.server.ThreadingHTTPServer", self.server_mock, 2),
+            self.mock_call_unchecked(self.context_mock.wrap_socket),
+            self.mock_calls_unchecked(self.server_mock.serve_forever, 2),
+            self.mock_call(self.server_mock.shutdown),
+            self.seal_mocks(self.context_mock),
+        ):
+            self.assertEqual(self.server.run(), 0)