Import of the watch repository from Pebble

tests/fw/services/comm_session/test_meta_endpoint.c

@@ -0,0 +1,110 @@
+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "services/common/comm_session/meta_endpoint.h"
+
+#include "clar.h"
+
+// Stubs
+///////////////////////////////////////////////////////////
+
+#include "stubs_bt_lock.h"
+#include "stubs_hexdump.h"
+#include "stubs_logging.h"
+#include "stubs_passert.h"
+#include "stubs_print.h"
+
+// Fakes
+///////////////////////////////////////////////////////////
+
+#include "fake_kernel_malloc.h"
+#include "fake_session.h"
+#include "fake_system_task.h"
+
+static Transport *s_transport;
+static CommSession *s_session;
+
+// Helpers
+///////////////////////////////////////////////////////////
+
+static void prv_process_and_assert_sent(const uint8_t data[], uint16_t length) {
+  const uint16_t meta_endpoint_id = 0;
+  fake_system_task_callbacks_invoke_pending();
+  fake_comm_session_process_send_next();
+  fake_transport_assert_sent(s_transport, 0 /* index */, meta_endpoint_id, data, length);
+}
+
+// Tests
+///////////////////////////////////////////////////////////
+
+void test_meta_endpoint__initialize(void) {
+  fake_kernel_malloc_init();
+  fake_kernel_malloc_mark();
+  fake_comm_session_init();
+
+  s_transport = fake_transport_create(TransportDestinationSystem, NULL, NULL);
+  s_session = fake_transport_set_connected(s_transport, true);
+}
+
+void test_meta_endpoint__cleanup(void) {
+  // Check for leaks:
+  fake_kernel_malloc_mark_assert_equal();
+  fake_kernel_malloc_deinit();
+
+  fake_comm_session_cleanup();
+}
+
+void test_meta_endpoint__send_meta_corrupted_message(void) {
+  const MetaResponseInfo meta_response_info = {
+    .session = s_session,
+    .payload = {
+      .error_code = MetaResponseCodeCorruptedMessage,
+    },
+  };
+  meta_endpoint_send_response_async(&meta_response_info);
+
+  const uint8_t expected_payload[] = { 0xd0 };
+  prv_process_and_assert_sent(expected_payload, sizeof(expected_payload));
+}
+
+void test_meta_endpoint__send_meta_disallowed_message(void) {
+  const MetaResponseInfo meta_response_info = {
+    .session = s_session,
+    .payload = {
+      .error_code = MetaResponseCodeDisallowed,
+      .endpoint_id = 0xabcd,
+    },
+  };
+  meta_endpoint_send_response_async(&meta_response_info);
+
+  const uint8_t expected_payload[] = { 0xdd, 0xab, 0xcd };
+  prv_process_and_assert_sent(expected_payload, sizeof(expected_payload));
+}
+
+void test_meta_endpoint__send_meta_unhandled_message(void) {
+  const MetaResponseInfo meta_response_info = {
+    .session = s_session,
+    .payload = {
+      .error_code = MetaResponseCodeUnhandled,
+      .endpoint_id = 0x1234,
+    },
+  };
+  meta_endpoint_send_response_async(&meta_response_info);
+
+  const uint8_t expected_payload[] = { 0xdc, 0x12, 0x34 };
+  prv_process_and_assert_sent(expected_payload, sizeof(expected_payload));
+}
+