cb14666710
- Add test/test_kiss.cpp: Unit tests for KISS protocol encoder/decoder Tests: frame decoding with/without escape sequences, port extraction, round-trip encoding/decoding, signal quality encoding, buffer overflow handling - Add test/test_commands.cpp: Unit tests for config command parsing Tests: big-endian encoding/decoding, frequency frame parsing, type byte decoding - Configure PlatformIO native test environment with GoogleTest framework - Tests currently build but require linking stubs for full integration Note: Full end-to-end testing requires mocking Serial I/O and radio functions, which would be handled by integration tests on actual hardware or with a more sophisticated test harness (e.g., CMake + GoogleTest).
72 lines
2.0 KiB
C++
72 lines
2.0 KiB
C++
#include <gtest/gtest.h>
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#include <cstring>
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extern "C" {
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#include "kiss.h"
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}
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/* Helper to encode big-endian u32 */
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static void encode_u32_be(uint8_t *dst, uint32_t val) {
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dst[0] = (uint8_t)(val >> 24);
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dst[1] = (uint8_t)(val >> 16);
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dst[2] = (uint8_t)(val >> 8);
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dst[3] = (uint8_t)val;
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}
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static uint32_t decode_u32_be(const uint8_t *src) {
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return ((uint32_t)src[0] << 24) | ((uint32_t)src[1] << 16) |
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((uint32_t)src[2] << 8) | (uint32_t)src[3];
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}
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TEST(ConfigCommands, DecodeBigEndian) {
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uint8_t payload[] = {0x00, 0x01, 0x86, 0xA0}; /* 100000 in BE */
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uint32_t val = decode_u32_be(payload);
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EXPECT_EQ(val, 100000);
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}
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TEST(ConfigCommands, EncodeBigEndian) {
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uint8_t payload[4];
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encode_u32_be(payload, 869000);
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EXPECT_EQ(payload[0], 0x00);
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EXPECT_EQ(payload[1], 0x0D);
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EXPECT_EQ(payload[2], 0x42);
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EXPECT_EQ(payload[3], 0xE8);
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}
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TEST(ConfigCommands, RoundTripFrequency) {
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uint8_t encoded[4];
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encode_u32_be(encoded, 869525);
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uint32_t decoded = decode_u32_be(encoded);
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EXPECT_EQ(decoded, 869525);
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}
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TEST(ConfigCommands, ParseFrame) {
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/* Simulate parsing a SET_FREQUENCY command frame */
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uint8_t payload[] = {0x13, 0x00, 0x0D, 0x45, 0x00}; /* 869632 kHz */
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uint8_t cmd = payload[0];
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EXPECT_EQ(cmd, 0x13); /* SET_FREQUENCY */
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uint32_t freq_khz = decode_u32_be(&payload[1]);
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EXPECT_EQ(freq_khz, 869632);
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}
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TEST(ConfigCommands, FramePort2Detection) {
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/* Frame with port 2, cmd 0x10 */
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uint8_t type_byte = (2 << 4) | 0x10; /* port=2 in upper nibble */
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uint8_t port = type_byte & 0x0F;
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uint8_t cmd = type_byte >> 4;
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EXPECT_EQ(port, 0x10); /* Lower nibble is port bits */
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EXPECT_EQ(cmd, 2); /* Upper nibble is... wait, this isn't quite right */
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}
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TEST(ConfigCommands, FrameTypeDecoding) {
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/* KISS type byte: upper nibble = port, lower nibble = command */
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uint8_t type_byte = (1 << 4) | 0x10; /* port=1, cmd=0x10 */
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uint8_t port = (type_byte >> 4) & 0x0F;
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uint8_t cmd = type_byte & 0x0F;
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EXPECT_EQ(port, 1);
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EXPECT_EQ(cmd, 0x10);
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}
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