From fdf662f8f1a1a3b38fe4d251982fffab8e9bf664 Mon Sep 17 00:00:00 2001 From: Your Name Date: Sun, 17 May 2026 05:27:06 +0530 Subject: Phase 7: MCP handler (25 tests), NIP-04 encrypt/decrypt (15 tests), CVM server skeleton - mcp_handler.c/h: 4 tools (get_config, set_config, get_balance, wallet_send) - nip04.c/h: AES-256-CBC + ECDH with 0x02 compressed pubkey prefix - Fixed IV copy bug: mbedTLS AES-CBC modifies IV in-place - Base64 encode/decode for ciphertext transport - PKCS7 padding - cvm_server.c/h: Nostr DM listener with FreeRTOS task - config: cvm_enabled, cvm_relays fields - 156 total tests passing across 10 test binaries --- tests/unit/test_mcp_handler.c | 148 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 148 insertions(+) create mode 100644 tests/unit/test_mcp_handler.c (limited to 'tests/unit/test_mcp_handler.c') diff --git a/tests/unit/test_mcp_handler.c b/tests/unit/test_mcp_handler.c new file mode 100644 index 0000000..aaa199d --- /dev/null +++ b/tests/unit/test_mcp_handler.c @@ -0,0 +1,148 @@ +#include "test_framework.h" +#include "mcp_handler.h" +#include "config.h" +#include "nucula_wallet.h" +#include "cJSON.h" +#include +#include + +static tollgate_config_t g_test_config; +static uint64_t g_wallet_balance = 0; +static int g_wallet_proof_count = 0; +static int g_wallet_send_rc = 0; +static char g_wallet_send_token[256] = "cashuA_test_token"; + +const tollgate_config_t *tollgate_config_get(void) { + return &g_test_config; +} + +uint64_t nucula_wallet_balance(void) { + return g_wallet_balance; +} + +int nucula_wallet_proof_count(void) { + return g_wallet_proof_count; +} + +int nucula_wallet_send(uint64_t amount, char *token_out, size_t token_max) { + (void)amount; + (void)token_max; + if (g_wallet_send_rc == 0) { + strncpy(token_out, g_wallet_send_token, token_max - 1); + } + return g_wallet_send_rc; +} + +static void test_mcp_parse_tool(void) +{ + printf("\n=== MCP tool parsing ===\n"); + ASSERT_EQ_INT(MCP_TOOL_GET_CONFIG, mcp_parse_tool("get_config"), "get_config"); + ASSERT_EQ_INT(MCP_TOOL_SET_CONFIG, mcp_parse_tool("set_config"), "set_config"); + ASSERT_EQ_INT(MCP_TOOL_GET_BALANCE, mcp_parse_tool("get_balance"), "get_balance"); + ASSERT_EQ_INT(MCP_TOOL_WALLET_SEND, mcp_parse_tool("wallet_send"), "wallet_send"); + ASSERT_EQ_INT(MCP_TOOL_UNKNOWN, mcp_parse_tool("foo"), "unknown tool"); + ASSERT_EQ_INT(MCP_TOOL_UNKNOWN, mcp_parse_tool(NULL), "NULL tool"); +} + +static void test_mcp_get_config(void) +{ + printf("\n=== MCP get_config ===\n"); + memset(&g_test_config, 0, sizeof(g_test_config)); + strncpy(g_test_config.ap_ssid, "TollGate-TEST", sizeof(g_test_config.ap_ssid) - 1); + strncpy(g_test_config.metric, "bytes", sizeof(g_test_config.metric) - 1); + g_test_config.price_per_step = 21; + g_test_config.step_size_ms = 60000; + g_test_config.step_size_bytes = 22020096; + strncpy(g_test_config.mint_url, "https://testnut.cashu.space", sizeof(g_test_config.mint_url) - 1); + + mcp_response_t resp = mcp_handle_get_config(); + ASSERT(resp.success, "get_config succeeds"); + + cJSON *result = cJSON_Parse(resp.result_json); + ASSERT(result != NULL, "result is valid JSON"); + ASSERT_EQ_STR("bytes", cJSON_GetObjectItem(result, "metric")->valuestring, "metric=bytes"); + ASSERT_EQ_INT(21, cJSON_GetObjectItem(result, "price_per_step")->valueint, "price=21"); + cJSON_Delete(result); +} + +static void test_mcp_set_config(void) +{ + printf("\n=== MCP set_config ===\n"); + memset(&g_test_config, 0, sizeof(g_test_config)); + g_test_config.price_per_step = 21; + + const char *params = "{\"price_per_step\":42,\"metric\":\"milliseconds\"}"; + mcp_response_t resp = mcp_handle_set_config(params); + ASSERT(resp.success, "set_config succeeds"); + ASSERT_EQ_INT(42, g_test_config.price_per_step, "price updated to 42"); + ASSERT_EQ_STR("milliseconds", g_test_config.metric, "metric updated"); + + resp = mcp_handle_set_config("not json"); + ASSERT(!resp.success, "invalid JSON fails"); +} + +static void test_mcp_get_balance(void) +{ + printf("\n=== MCP get_balance ===\n"); + g_wallet_balance = 500; + g_wallet_proof_count = 8; + + mcp_response_t resp = mcp_handle_get_balance(); + ASSERT(resp.success, "get_balance succeeds"); + + cJSON *result = cJSON_Parse(resp.result_json); + ASSERT(result != NULL, "result is valid JSON"); + ASSERT_EQ_INT(500, (int)cJSON_GetObjectItem(result, "balance_sats")->valuedouble, "balance=500"); + ASSERT_EQ_INT(8, cJSON_GetObjectItem(result, "proof_count")->valueint, "proofs=8"); + cJSON_Delete(result); +} + +static void test_mcp_wallet_send(void) +{ + printf("\n=== MCP wallet_send ===\n"); + g_wallet_send_rc = 0; + strncpy(g_wallet_send_token, "cashuA_send_test", sizeof(g_wallet_send_token) - 1); + + const char *params = "{\"amount\":21}"; + mcp_response_t resp = mcp_handle_wallet_send(params); + ASSERT(resp.success, "wallet_send succeeds"); + + cJSON *result = cJSON_Parse(resp.result_json); + ASSERT(result != NULL, "result is valid JSON"); + ASSERT_EQ_STR("cashuA_send_test", cJSON_GetObjectItem(result, "token")->valuestring, "token matches"); + cJSON_Delete(result); + + printf("\n--- wallet_send missing amount ---\n"); + resp = mcp_handle_wallet_send("{}"); + ASSERT(!resp.success, "missing amount fails"); + + printf("\n--- wallet_send send fails ---\n"); + g_wallet_send_rc = -1; + resp = mcp_handle_wallet_send("{\"amount\":100}"); + ASSERT(!resp.success, "send failure reported"); +} + +static void test_mcp_dispatch(void) +{ + printf("\n=== MCP dispatch ===\n"); + mcp_request_t req = {0}; + req.tool = MCP_TOOL_UNKNOWN; + strncpy(req.method, "bogus", sizeof(req.method) - 1); + mcp_response_t resp = mcp_dispatch(&req); + ASSERT(!resp.success, "unknown tool dispatch fails"); + + resp = mcp_dispatch(NULL); + ASSERT(!resp.success, "NULL request dispatch fails"); +} + +int main(void) +{ + printf("=== test_mcp_handler ===\n"); + test_mcp_parse_tool(); + test_mcp_get_config(); + test_mcp_set_config(); + test_mcp_get_balance(); + test_mcp_wallet_send(); + test_mcp_dispatch(); + TEST_SUMMARY(); +} -- cgit v1.2.3