Create initial tests

Tests are run via a PlatformIO project

test/test_packet_parser/test_packet_parser.cpp

@@ -0,0 +1,68 @@
+#include <unity.h>
+#include <Arduino.h>
+#include "PacketParser.h"
+
+void run_parse_test(const uint8_t *packet_data, Packet& packet)
+{
+  PacketParser packetParser;
+
+  bool result = packetParser.parsePacket(packet_data, packet);
+
+  TEST_ASSERT_TRUE(result);
+}
+
+void test_parse_stop()
+{
+  const uint8_t packet_data[] = {0xC0, 0x11, 0x00, 0x05, 0x6C, 0xFF, 0xFF, 0x36, 0x9E, 0x86, 0x06, 0x3C, 0x04, 0x00, 0x36, 0x9E, 0x52, 0x53, 0x00};
+
+  Packet packet;
+
+  run_parse_test(packet_data, packet);
+
+  TEST_ASSERT_TRUE(packet.type == PacketType::STOP);
+}
+
+void test_parse_close()
+{
+  const uint8_t packet_data[] = {0xC0, 0x11, 0x00, 0x05, 0x6C, 0xFF, 0xFF, 0x36, 0x9E, 0x86, 0x06, 0x3C, 0x04, 0x00, 0x36, 0x9E, 0x52, 0x44, 0x00};
+
+  Packet packet;
+
+  run_parse_test(packet_data, packet);
+
+  TEST_ASSERT_TRUE(packet.type == PacketType::CLOSE);
+}
+
+void test_parse_open()
+{
+  const uint8_t packet_data[] = {0xC0, 0x11, 0x00, 0x05, 0x6C, 0xFF, 0xFF, 0x36, 0x9E, 0x86, 0x06, 0x3C, 0x04, 0x00, 0x36, 0x9E, 0x52, 0x55, 0x00};
+
+  Packet packet;
+
+  run_parse_test(packet_data, packet);
+
+  TEST_ASSERT_TRUE(packet.type == PacketType::OPEN);
+}
+
+int runParseUnityTests(void)
+{
+  UNITY_BEGIN();
+  RUN_TEST(test_parse_stop);
+  RUN_TEST(test_parse_close);
+  RUN_TEST(test_parse_open);
+  return UNITY_END();
+}
+
+/**
+ * For Arduino framework
+ */
+
+void setup()
+{
+  // Wait ~2 seconds before the Unity test runner
+  // establishes connection with a board Serial interface
+  delay(2000);
+
+  runParseUnityTests();
+}
+void loop() {}