starting with component unit testing (running on device)

Signed-off-by: Peter Siegmund <developer@mars3142.org>

components/ble/CMakeLists.txt

@@ -1,3 +0,0 @@
-idf_component_register(SRCS "osr_ble.c"
-                    INCLUDE_DIRS "."
-                    PRIV_REQUIRES "nvs_flash")

components/logger/CMakeLists.txt

@@ -0,0 +1,2 @@
+idf_component_register(SRCS "logger.c"
+                    INCLUDE_DIRS "include")

components/logger/include/logger.h

@@ -0,0 +1,5 @@
+#pragma once
+
+int add(int a, int b);
+
+void log_message(const char* message);

components/logger/logger.c

@@ -0,0 +1,11 @@
+#include "logger.h"
+
+#include <stdio.h>
+
+int add(int a, int b) {
+  return a + b;
+}
+
+void log_message(const char* message) {
+  printf("%s\n", message);
+}

components/logger/test/CMakeLists.txt

@@ -0,0 +1,3 @@
+idf_component_register(SRC_DIRS "."
+                    INCLUDE_DIRS "."
+                    REQUIRES cmock logger)

components/logger/test/logger_test.c

@@ -0,0 +1,7 @@
+#include "unity.h"
+
+#include "logger.h"
+
+TEST_CASE("Add two numbers", "[logger]") {
+  TEST_ASSERT_EQUAL(3, add(1, 2));
+}

main/CMakeLists.txt

@@ -1,2 +1,5 @@
-idf_component_register(SRCS "main.c"
-                    INCLUDE_DIRS ".")
+idf_component_register(SRCS "main.c" "osr_ble.c"
+                    INCLUDE_DIRS "."
+                    PRIV_REQUIRES 
+                        nvs_flash
+                        logger)

main/main.c

@@ -1,19 +1,58 @@
 #include <esp_task_wdt.h>
 #include <stdio.h>
-
+#include "esp_chip_info.h"
+#include "esp_flash.h"
+#include "esp_log.h"
 #include "osr_ble.h"
+#include "sdkconfig.h"
+
+#include "logger.h"
+
+#define TAG "app"
+
+void esp32_info() {
+  /* Print chip information */
+  esp_chip_info_t chip_info;
+  uint32_t flash_size;
+  esp_chip_info(&chip_info);
+  printf("This is %s chip with %d CPU core(s), %s%s%s%s, ", CONFIG_IDF_TARGET,
+         chip_info.cores,
+         (chip_info.features & CHIP_FEATURE_WIFI_BGN) ? "WiFi/" : "",
+         (chip_info.features & CHIP_FEATURE_BT) ? "BT" : "",
+         (chip_info.features & CHIP_FEATURE_BLE) ? "BLE" : "",
+         (chip_info.features & CHIP_FEATURE_IEEE802154)
+             ? ", 802.15.4 (Zigbee/Thread)"
+             : "");
+
+  unsigned major_rev = chip_info.revision / 100;
+  unsigned minor_rev = chip_info.revision % 100;
+  printf("silicon revision v%d.%d, ", major_rev, minor_rev);
+  if (esp_flash_get_size(NULL, &flash_size) != ESP_OK) {
+    printf("Get flash size failed");
+    return;
+  }
+
+  printf(
+      "%" PRIu32 "MB %s flash\n", flash_size / (uint32_t)(1024 * 1024),
+      (chip_info.features & CHIP_FEATURE_EMB_FLASH) ? "embedded" : "external");
+
+  printf("Minimum free heap size: %" PRIu32 " bytes\n",
+         esp_get_minimum_free_heap_size());
+}
 
 void setup() {
   osr_ble_init();
+  log_message("Hello World!");
 }
 
-void loop() {
-  ESP_ERROR_CHECK(esp_task_wdt_reset());
+void loop(void* args) {
+  while (1) {
+    vTaskDelay(pdMS_TO_TICKS(1000));
+    ESP_LOGI(TAG, "Hello World!");
+  }
 }
 
 void app_main() {
   setup();
-  while (1) {
-    loop();
-  }
+  xTaskCreatePinnedToCore(loop, "loop", 4096, NULL, 5, NULL, 1);
 }

pytest.ini

@@ -1,3 +1,4 @@
 [pytest]
 addopts = --embedded-services esp,idf -s
 python_files = *.py
+timeout = 60

test/CMakeLists.txt

@@ -0,0 +1,16 @@
+# This is the project CMakeLists.txt file for the test subproject
+cmake_minimum_required(VERSION 3.16)
+
+# Include the components directory of the main application:
+#
+set(EXTRA_COMPONENT_DIRS "../components")
+
+# Set the components to include the tests for.
+# This can be overriden from CMake cache:
+# - when invoking CMake directly: cmake -D TEST_COMPONENTS="xxxxx" ..
+# - when using idf.py: idf.py -T xxxxx build
+#
+set(TEST_COMPONENTS "logger" CACHE STRING "List of components to test")
+
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+project(component_unit_test)

test/Makefile

@@ -0,0 +1,6 @@
+test:
+	@echo "Running tests..."
+	@idf.py fullclean build
+	pytest
+
+.PHONE: test

test/main/CMakeLists.txt

@@ -0,0 +1,2 @@
+idf_component_register(SRCS "components_test.c"
+                    INCLUDE_DIRS ".")

test/main/components_test.c

@@ -0,0 +1,16 @@
+#include <stdio.h>
+#include <string.h>
+#include "unity.h"
+
+static void print_banner(const char* text);
+
+void app_main(void) {
+  print_banner("Running all the registered tests");
+  UNITY_BEGIN();
+  unity_run_all_tests();
+  UNITY_END();
+}
+
+static void print_banner(const char* text) {
+  printf("\n#### %s #####\n\n", text);
+}

test/pytest_unittest.py

@@ -0,0 +1,6 @@
+import pytest
+from pytest_embedded import Dut
+
+def test_unit_test(dut: Dut) -> None:
+    dut.expect("0 Failures")
+    dut.expect("Returned from app_main")

test/sdkconfig.defaults

@@ -0,0 +1,2 @@
+# disable watchdog
+CONFIG_ESP_TASK_WDT_EN=n

tests/test_main.py

@@ -1,2 +0,0 @@
-def test_main(dut):
-    dut.expect('waiting for download')