fix: don't send messages if not connected

lib/webfuse/adapter/impl/client_protocol.c

@@ -52,12 +52,15 @@ wf_impl_client_protocol_send(
     bool result = false;
     struct wf_client_protocol * protocol = user_data;
 
-    struct wf_message * message = wf_message_create(request);
-    if (NULL != message)
+    if (NULL != protocol->wsi)
     {
-        wf_slist_append(&protocol->messages, &message->item);
-        lws_callback_on_writable(protocol->wsi);
-        result = true;
+        struct wf_message * message = wf_message_create(request);
+        if (NULL != message)
+        {
+            wf_slist_append(&protocol->messages, &message->item);
+            lws_callback_on_writable(protocol->wsi);
+            result = true;
+        }
     }
 
     return result;

meson.build

@@ -211,6 +211,7 @@ alltests = executable('alltests',
 	'test/webfuse/utils/static_filesystem.c',
 	'test/webfuse/utils/ws_server.cc',
 	'test/webfuse/utils/ws_server2.cc',
+	'test/webfuse/utils/jansson_test_environment.cc',
 	'test/webfuse/mocks/fake_invokation_context.cc',
 	'test/webfuse/mocks/mock_authenticator.cc',
 	'test/webfuse/mocks/mock_request.cc',

test/webfuse/tests/adapter/test_client.cc

@@ -208,6 +208,33 @@ TEST(AdapterClient, Authenticate)
     wf_client_dispose(client);
 }
 
+TEST(AdapterClient, AuthenticateFailedWithoutConnect)
+{
+    TimeoutWatcher watcher(TIMEOUT);
+
+    MockAdapterClientCallback callback;
+    EXPECT_CALL(callback, Invoke(_, _, _)).Times(AnyNumber());
+    EXPECT_CALL(callback, Invoke(_, WF_CLIENT_AUTHENTICATE_GET_CREDENTIALS, _)).Times(1)
+        .WillOnce(Invoke(GetCredentials));
+    bool called = false;
+    EXPECT_CALL(callback, Invoke(_, WF_CLIENT_AUTHENTICATION_FAILED, nullptr)).Times(1)
+        .WillOnce(Invoke([&called] (wf_client *, int, void *) mutable {
+            called = true;
+        }));
+
+    wf_client * client = wf_client_create(
+        callback.GetCallbackFn(), callback.GetUserData());
+
+
+    wf_client_authenticate(client);
+    while (!called) {
+        watcher.check();
+        wf_client_service(client);
+    }
+
+    wf_client_dispose(client);
+}
+
 TEST(AdapterClient, AuthenticationFailed)
 {
     TimeoutWatcher watcher(TIMEOUT);

test/webfuse/utils/jansson_test_environment.cc

@@ -0,0 +1,16 @@
+#include <gtest/gtest.h>
+#include <jansson.h>
+
+namespace webfuse_test
+{
+
+class JanssonTestEnvironment: public ::testing::Environment
+{
+public:
+    void SetUp()
+    {
+        json_object_seed(0);
+    }
+};
+#
+}