added gtest

.github/workflows/ci_basic.yaml

@@ -7,6 +7,8 @@ env:
   BUILD_TYPE: Release
   BUILD_PATH: ${{github.workspace}}/communicator/build
   SOURCE: ${{github.workspace}}/communicator
+  TEST_BUILD_PATH: ${{github.workspace}}/communicator/tests/build
+
 
 jobs:
   build:
@@ -41,8 +43,7 @@ jobs:
     - name: Pre-commit actions
       uses: pre-commit/[email protected] 
 
-    # TODO uncomment when tests are added
-    # - name: Test
-    #   working-directory: ${{env.BUILD_PATH}}
-    #   run: ctest -C ${{env.BUILD_TYPE}}
+    - name: Test
+      working-directory: ${{env.TEST_BUILD_PATH}}
+      run: ctest -C ${{env.BUILD_TYPE}}
 

communicator/tests/CMakeLists.txt

@@ -0,0 +1,18 @@
+cmake_minimum_required(VERSION 3.5)
+project(CommunicatorGTest)
+
+include(FetchContent)
+FetchContent_Declare(
+  googletest
+  GIT_REPOSITORY https://github.com/google/googletest.git
+  GIT_TAG        main
+)
+
+set(gtest_force_shared_crt ON CACHE BOOL "" FORCE)
+FetchContent_MakeAvailable(googletest)
+
+# Now simply link against gtest or gtest_main as needed. Eg
+add_executable(example-gt exampleTest.cpp)
+target_link_libraries(example-gt gtest_main)
+enable_testing()
+add_test(NAME example_test COMMAND example-gt)

communicator/tests/exampleTest.cpp

@@ -0,0 +1,9 @@
+#include "gtest/gtest.h"
+
+// Demonstrate some basic assertions.
+TEST(exampleTest, BasicAssertions) {
+  // Expect two strings not to be equal.
+  EXPECT_STRNE("hello", "world");
+  // Expect equality.
+  EXPECT_EQ(7 * 6, 42);
+}