Merge pull request #7819 from lorjala/unittests

Unit testing framework

Author: Cruz Monrreal

UNITTESTS/.mbedignore

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+*

UNITTESTS/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.0.2)
+
+set(PROJECT_NAME unittests)
+set(LIB_NAME MbedOS)
+
+project(${PROJECT_NAME})
+
+# Setup c++ standard
+macro(use_cxx14)
+    if (CMAKE_VERSION VERSION_LESS 3.1)
+        if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+            set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++98")
+        endif()
+    else()
+        set(CMAKE_CXX_STANDARD 98)
+        set(CMAKE_CXX_STANDARD_REQUIRED ON)
+    endif()
+endmacro()
+
+use_cxx14()
+
+####################
+# GTEST
+####################
+
+# Download and unpack googletest at configure time
+configure_file(googletest-CMakeLists.txt.in googletest-download/CMakeLists.txt)
+execute_process(COMMAND ${CMAKE_COMMAND} -G "${CMAKE_GENERATOR}" .
+    RESULT_VARIABLE result
+    WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/googletest-download)
+if (result)
+    message(FATAL_ERROR "CMake failed for google test: ${result}")
+endif()
+execute_process(COMMAND ${CMAKE_COMMAND} --build .
+    RESULT_VARIABLE result
+    WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/googletest-download)
+if (result)
+    message(FATAL_ERROR "Build failed for google test: ${result}")
+endif()
+
+# Prevent overriding the parent project's compiler/linker
+# settings on Windows
+set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
+
+# Add googletest directly to our build. This defines
+# the gtest and gtest_main targets.
+add_subdirectory(${CMAKE_BINARY_DIR}/googletest-src
+                 ${CMAKE_BINARY_DIR}/googletest-build
+                 EXCLUDE_FROM_ALL)
+
+# The gtest/gtest_main/gmock/gmock_main targets carry header search path
+# dependencies automatically when using CMake 2.8.11 or
+# later.
+target_include_directories(gmock_main SYSTEM BEFORE INTERFACE
+  "${gtest_SOURCE_DIR}/include"
+  "${gmock_SOURCE_DIR}/include")
+
+####################
+# TESTING
+####################
+
+enable_testing()
+
+set_property(DIRECTORY APPEND PROPERTY ADDITIONAL_MAKE_CLEAN_FILES
+  "${CMAKE_BINARY_DIR}/Testing"
+)
+
+####################
+# CODE COVERAGE SETUP
+####################
+
+if (COVERAGE)
+
+  if (NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
+    message(WARNING "Non-debug build may result misleading code coverage results.")
+  endif()
+
+  # Append coverage compiler flags
+  set(COVERAGE_COMPILER_FLAGS "-g -O0 --coverage -fprofile-arcs -ftest-coverage")
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${COVERAGE_COMPILER_FLAGS}")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${COVERAGE_COMPILER_FLAGS}")
+
+endif(COVERAGE)
+
+####################
+# UNIT TESTS
+####################
+
+# Set include dirs.
+set(unittest-includes-base
+  "${PROJECT_SOURCE_DIR}/target_h"
+  "${PROJECT_SOURCE_DIR}/target_h/events"
+  "${PROJECT_SOURCE_DIR}/stubs"
+  "${PROJECT_SOURCE_DIR}/.."
+  "${PROJECT_SOURCE_DIR}/../features"
+  "${PROJECT_SOURCE_DIR}/../platform"
+  "${PROJECT_SOURCE_DIR}/../drivers"
+  "${PROJECT_SOURCE_DIR}/../hal"
+  "${PROJECT_SOURCE_DIR}/../events"
+  "${PROJECT_SOURCE_DIR}/../rtos/TARGET_CORTEX"
+  "${PROJECT_SOURCE_DIR}/../rtos/TARGET_CORTEX/rtx5/Include"
+  "${PROJECT_SOURCE_DIR}/../cmsis"
+)
+
+# Create a list for test suites.
+set(TEST_SUITES)
+
+# Get all matched tests.
+file(GLOB_RECURSE unittest-file-list
+  "unittest.cmake"
+)
+
+if ("${unittest-file-list}" STREQUAL "")
+  message(FATAL_ERROR "No tests found. Exiting...")
+endif()
+
+# Create unit test targets
+foreach(testfile ${unittest-file-list})
+  ####################
+  # DEFINE TARGETS
+  ####################
+
+  # Init file lists.
+  set(unittest-includes ${unittest-includes-base})
+  set(unittest-sources)
+  set(unittest-test-sources)
+
+  # Get source files
+  include("${testfile}")
+
+  if(TEST_SUITE_NAME)
+    set(TEST_SUITES ${TEST_SUITES} ${TEST_SUITE_NAME})
+  else()
+    message(FATAL_ERROR "No TEST_SUITE_NAME found in test file. Add it to ${testfile}.")
+  endif()
+
+  set(LIBS_TO_BE_LINKED gmock_main)
+
+  # Build directories list
+  set(BUILD_DIRECTORIES)
+
+  if (unittest-sources)
+    # Create the testable static library.
+    add_library("${TEST_SUITE_NAME}.${LIB_NAME}" STATIC ${unittest-sources})
+    target_include_directories("${TEST_SUITE_NAME}.${LIB_NAME}" PRIVATE
+      ${unittest-includes})
+    set(LIBS_TO_BE_LINKED ${LIBS_TO_BE_LINKED} "${TEST_SUITE_NAME}.${LIB_NAME}")
+
+    # Append lib build directory to list
+    list(APPEND BUILD_DIRECTORIES "./CMakeFiles/${TEST_SUITE_NAME}.${LIB_NAME}.dir")
+  endif(unittest-sources)
+
+  if (unittest-test-sources)
+    # Create the executable.
+    add_executable(${TEST_SUITE_NAME} ${unittest-test-sources})
+    target_include_directories(${TEST_SUITE_NAME} PRIVATE
+      ${unittest-includes})
+
+    # Link the executable with the libraries.
+    target_link_libraries(${TEST_SUITE_NAME} ${LIBS_TO_BE_LINKED})
+
+    add_test(NAME "${TEST_SUITE_NAME}UnitTests" COMMAND ${TEST_SUITE_NAME})
+
+    # Append test build directory to list
+    list(APPEND BUILD_DIRECTORIES "./CMakeFiles/${TEST_SUITE_NAME}.dir")
+  else()
+    message(WARNING "No test source files found for ${TEST_SUITE_NAME}.\n")
+  endif(unittest-test-sources)
+endforeach(testfile)

UNITTESTS/CMakeSettings.json

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+{
+  "configurations": [
+    {
+      "name": "GNU-Debug",
+      "generator": "Ninja",
+      "configurationType": "Debug",
+      "inheritEnvironments": [ "mingw64" ],
+      "buildRoot": "${env.USERPROFILE}\\CMakeBuilds\\${workspaceHash}\\build\\${name}",
+      "installRoot": "${env.USERPROFILE}\\CMakeBuilds\\${workspaceHash}\\install\\${name}",
+      "environments": [
+        {
+          "environment": "mingw64"
+        }
+      ]
+    },
+    {
+      "name": "GNU-Release",
+      "generator": "Ninja",
+      "configurationType": "Release",
+      "inheritEnvironments": [ "mingw64" ],
+      "buildRoot": "${env.USERPROFILE}\\CMakeBuilds\\${workspaceHash}\\build\\${name}",
+      "installRoot": "${env.USERPROFILE}\\CMakeBuilds\\${workspaceHash}\\install\\${name}",
+      "environments": [
+        {
+          "environment": "mingw64"
+        }
+      ]
+    }
+  ]
+}