Merge pull request #36 from edaa-org/C++-GoogleTest

Added a C++/CMake/Ninja example project and unit tests for GoogleTest.

.github/workflows/Pipeline.yml

@@ -31,6 +31,40 @@ jobs:
           name: Java-Ant-JUnit4
           path: examples/Java/JUnit/build/*.xml
 
+  Cpp-GoogleTest:
+    runs-on: ubuntu-latest
+    steps:
+      - name: ⏬ Checkout repository
+        uses: actions/checkout@v4
+      - name: ⏬ Checkout 'google/googletest' repository
+        uses: actions/checkout@v4
+        with:
+          repository: google/googletest
+          path: examples/Cpp/GoogleTest/lib/googletest
+      - name: 🔧 Install dependencies
+        run: sudo apt-get install -y --no-install-recommends ninja-build
+      - name: 🛠 Run CMake
+        run: |
+          cd examples/Cpp/GoogleTest
+          cmake -B build -G Ninja
+          cmake --build build
+      - name: ✅ Run unit tests (directly)
+        run: |
+          cd examples/Cpp/GoogleTest
+          ./build/unit_tests --gtest_output=xml:gtest.xml
+      - name: ✅ Run unit tests (by ctest)
+        run: |
+          cd examples/Cpp/GoogleTest
+          ctest --test-dir build/ --output-junit ../ctest.xml
+      - name: List generated XML reports
+        run: |
+          ls -lAh examples/Cpp/GoogleTest/*.xml
+      - name: 📤 Upload JUnit XML files as artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: Cpp-GoogleTest
+          path: examples/Cpp/GoogleTest/*.xml
+
   Python-pytest:
     runs-on: ubuntu-latest
     steps:
@@ -106,6 +140,7 @@ jobs:
     needs:
       - Package
       - Java-Ant-JUnit4
+      - Cpp-GoogleTest
       - Python-pytest
     runs-on: ubuntu-latest
     steps:

examples/Cpp/GoogleTest/CMakeLists.txt

@@ -0,0 +1,35 @@
+cmake_minimum_required(VERSION 3.20)
+
+# Project configuration
+set(PROJECT_NAME Unittesting)
+project(${PROJECT_NAME})
+# * PROJECT_SOURCE_DIR - Top level source directory for the project
+# * PROJECT_BINARY_DIR - Full path to build directory for project
+
+# Compiler flags
+set(CMAKE_CXX_FLAGS "-g -Wall")
+set(CMAKE_CXX_STANDARD 20)
+
+file(GLOB SRC_FILES ${PROJECT_SOURCE_DIR}/src/*.[ch]pp)
+
+add_library(app STATIC ${SRC_FILES})
+target_include_directories(app PUBLIC ${PROJECT_SOURCE_DIR}/src)
+
+# GoogleTest
+add_subdirectory(./lib/googletest)
+
+########################################
+# Test files
+########################################
+file(GLOB TEST_SRC_FILES ${PROJECT_SOURCE_DIR}/test/*.[ch]pp)
+
+########################################
+# Unit Tests
+########################################
+add_executable(unit_tests ${TEST_SRC_FILES})
+target_link_libraries(unit_tests app gtest_main)
+
+
+enable_testing()
+include(GoogleTest)
+gtest_discover_tests(unit_tests)

examples/Cpp/GoogleTest/src/Counter.cpp

@@ -0,0 +1,13 @@
+#include "Counter.hpp"
+
+int Counter::Value() {
+	return _value;
+}
+
+int Counter::Increment() {
+	return _value++;
+}
+
+int Counter::Decrement() {
+	return _value--;
+}

examples/Cpp/GoogleTest/src/Counter.hpp

@@ -0,0 +1,16 @@
+#ifndef COUNTER_H_
+#define COUNTER_H_
+
+class Counter {
+	private:
+		int _value;
+
+	public:
+		Counter(int value = 0) : _value { value } {}
+
+		int Value();
+		int Increment();
+		int Decrement();
+};
+
+#endif  // COUNTER_H_

examples/Cpp/GoogleTest/test/Counter.test.cpp

@@ -0,0 +1,26 @@
+#include "Counter.hpp"
+
+#include "gtest/gtest.h"
+
+namespace {
+
+TEST(Counter, Init) {
+	Counter c0 { 0 };
+	Counter c1 { 1 };
+	EXPECT_EQ(0, c0.Value());
+	EXPECT_EQ(1, c1.Value());
+}
+
+TEST(Counter, Increment) {
+	Counter c { 0 };
+	EXPECT_EQ(0, c.Increment());
+	EXPECT_EQ(1, c.Value());
+}
+
+TEST(Counter, Decrement) {
+	Counter c { 1 };
+	EXPECT_EQ(1, c.Decrement());
+	EXPECT_EQ(0, c.Value());
+}
+
+}  // namespace