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-rw-r--r--quantum/serial_link/tests/transport_tests.cpp188
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diff --git a/quantum/serial_link/tests/transport_tests.cpp b/quantum/serial_link/tests/transport_tests.cpp
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+/*
+The MIT License (MIT)
+
+Copyright (c) 2016 Fred Sundvik
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+
+#include "gtest/gtest.h"
+#include "gmock/gmock.h"
+
+using testing::_;
+using testing::ElementsAreArray;
+using testing::Args;
+
+extern "C" {
+#include "serial_link/protocol/transport.h"
+}
+
+struct test_object1 {
+ uint32_t test;
+};
+
+struct test_object2 {
+ uint32_t test1;
+ uint32_t test2;
+};
+
+MASTER_TO_ALL_SLAVES_OBJECT(master_to_slave, test_object1);
+MASTER_TO_SINGLE_SLAVE_OBJECT(master_to_single_slave, test_object1);
+SLAVE_TO_MASTER_OBJECT(slave_to_master, test_object1);
+
+static remote_object_t* test_remote_objects[] = {
+ REMOTE_OBJECT(master_to_slave),
+ REMOTE_OBJECT(master_to_single_slave),
+ REMOTE_OBJECT(slave_to_master),
+};
+
+class Transport : public testing::Test {
+public:
+ Transport() {
+ Instance = this;
+ add_remote_objects(test_remote_objects, sizeof(test_remote_objects) / sizeof(remote_object_t*));
+ }
+
+ ~Transport() {
+ Instance = nullptr;
+ reinitialize_serial_link_transport();
+ }
+
+ MOCK_METHOD0(signal_data_written, void ());
+ MOCK_METHOD1(router_send_frame, void (uint8_t destination));
+
+ void router_send_frame(uint8_t destination, uint8_t* data, uint16_t size) {
+ router_send_frame(destination);
+ std::copy(data, data + size, std::back_inserter(sent_data));
+ }
+
+ static Transport* Instance;
+
+ std::vector<uint8_t> sent_data;
+};
+
+Transport* Transport::Instance = nullptr;
+
+extern "C" {
+void signal_data_written(void) {
+ Transport::Instance->signal_data_written();
+}
+
+void router_send_frame(uint8_t destination, uint8_t* data, uint16_t size) {
+ Transport::Instance->router_send_frame(destination, data, size);
+}
+}
+
+TEST_F(Transport, write_to_local_signals_an_event) {
+ begin_write_master_to_slave();
+ EXPECT_CALL(*this, signal_data_written());
+ end_write_master_to_slave();
+ begin_write_slave_to_master();
+ EXPECT_CALL(*this, signal_data_written());
+ end_write_slave_to_master();
+ begin_write_master_to_single_slave(1);
+ EXPECT_CALL(*this, signal_data_written());
+ end_write_master_to_single_slave(1);
+}
+
+TEST_F(Transport, writes_from_master_to_all_slaves) {
+ update_transport();
+ test_object1* obj = begin_write_master_to_slave();
+ obj->test = 5;
+ EXPECT_CALL(*this, signal_data_written());
+ end_write_master_to_slave();
+ EXPECT_CALL(*this, router_send_frame(0xFF));
+ update_transport();
+ transport_recv_frame(0, sent_data.data(), sent_data.size());
+ test_object1* obj2 = read_master_to_slave();
+ EXPECT_NE(obj2, nullptr);
+ EXPECT_EQ(obj2->test, 5);
+}
+
+TEST_F(Transport, writes_from_slave_to_master) {
+ update_transport();
+ test_object1* obj = begin_write_slave_to_master();
+ obj->test = 7;
+ EXPECT_CALL(*this, signal_data_written());
+ end_write_slave_to_master();
+ EXPECT_CALL(*this, router_send_frame(0));
+ update_transport();
+ transport_recv_frame(3, sent_data.data(), sent_data.size());
+ test_object1* obj2 = read_slave_to_master(2);
+ EXPECT_EQ(read_slave_to_master(0), nullptr);
+ EXPECT_NE(obj2, nullptr);
+ EXPECT_EQ(obj2->test, 7);
+}
+
+TEST_F(Transport, writes_from_master_to_single_slave) {
+ update_transport();
+ test_object1* obj = begin_write_master_to_single_slave(3);
+ obj->test = 7;
+ EXPECT_CALL(*this, signal_data_written());
+ end_write_master_to_single_slave(3);
+ EXPECT_CALL(*this, router_send_frame(4));
+ update_transport();
+ transport_recv_frame(0, sent_data.data(), sent_data.size());
+ test_object1* obj2 = read_master_to_single_slave();
+ EXPECT_NE(obj2, nullptr);
+ EXPECT_EQ(obj2->test, 7);
+}
+
+TEST_F(Transport, ignores_object_with_invalid_id) {
+ update_transport();
+ test_object1* obj = begin_write_master_to_single_slave(3);
+ obj->test = 7;
+ EXPECT_CALL(*this, signal_data_written());
+ end_write_master_to_single_slave(3);
+ EXPECT_CALL(*this, router_send_frame(4));
+ update_transport();
+ sent_data[sent_data.size() - 1] = 44;
+ transport_recv_frame(0, sent_data.data(), sent_data.size());
+ test_object1* obj2 = read_master_to_single_slave();
+ EXPECT_EQ(obj2, nullptr);
+}
+
+TEST_F(Transport, ignores_object_with_size_too_small) {
+ update_transport();
+ test_object1* obj = begin_write_master_to_slave();
+ obj->test = 7;
+ EXPECT_CALL(*this, signal_data_written());
+ end_write_master_to_slave();
+ EXPECT_CALL(*this, router_send_frame(_));
+ update_transport();
+ sent_data[sent_data.size() - 2] = 0;
+ transport_recv_frame(0, sent_data.data(), sent_data.size() - 1);
+ test_object1* obj2 = read_master_to_slave();
+ EXPECT_EQ(obj2, nullptr);
+}
+
+TEST_F(Transport, ignores_object_with_size_too_big) {
+ update_transport();
+ test_object1* obj = begin_write_master_to_slave();
+ obj->test = 7;
+ EXPECT_CALL(*this, signal_data_written());
+ end_write_master_to_slave();
+ EXPECT_CALL(*this, router_send_frame(_));
+ update_transport();
+ sent_data.resize(sent_data.size() + 22);
+ sent_data[sent_data.size() - 1] = 0;
+ transport_recv_frame(0, sent_data.data(), sent_data.size());
+ test_object1* obj2 = read_master_to_slave();
+ EXPECT_EQ(obj2, nullptr);
+}