From 07edd92023dc358a3fff5f035ab27b9062128b41 Mon Sep 17 00:00:00 2001
From: Godzil <godzil@godzil.net>
Date: Thu, 26 May 2022 16:40:58 +0100
Subject: [PATCH] Add google test for testing the library.

---
 .gitmodules         |  3 +++
 CMakeLists.txt      |  8 ++++++++
 external/googletest |  1 +
 test/CMakeLists.txt | 19 +++++++++++++++++++
 test/fs_opening.cpp |  7 +++++++
 5 files changed, 38 insertions(+)
 create mode 160000 external/googletest
 create mode 100644 test/CMakeLists.txt
 create mode 100644 test/fs_opening.cpp

diff --git a/.gitmodules b/.gitmodules
index e93cb53..07995e7 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "external/cJSON"]
 	path = external/cJSON
 	url = https://github.com/DaveGamble/cJSON.git
+[submodule "external/googletest"]
+	path = external/googletest
+	url = https://github.com/google/googletest.git
diff --git a/CMakeLists.txt b/CMakeLists.txt
index f7b9bd4..80392b8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -19,6 +19,7 @@ set(BUILD_PLATFORM MEMORY CACHE STRING "Platform to build for")
 set_property(CACHE BUILD_PLATFORM PROPERTY STRINGS ${VALID_BUILD_PLATFORM})
 
 option(BUILD_HOST_TOOLS "Build offline tools" ON)
+option(RUN_TESTS "Run the test suite to verify everything is ok!" ON)
 
 string(TOLOWER ${BUILD_PLATFORM} PLATFORM_FILE)
 
@@ -39,3 +40,10 @@ if (BUILD_HOST_TOOLS)
     target_compile_definitions(mffs PRIVATE BUILD_PLATFORM_FILE)
     target_compile_definitions(mffs PRIVATE BUILD_HOST_TOOLS)
 endif()
+
+if(RUN_TESTS)
+    enable_testing()
+    include(GoogleTest)
+    add_subdirectory("${PROJECT_SOURCE_DIR}/external/googletest" "external/googletest")
+    add_subdirectory(test)
+endif()
\ No newline at end of file
diff --git a/external/googletest b/external/googletest
new file mode 160000
index 0000000..56246cd
--- /dev/null
+++ b/external/googletest
@@ -0,0 +1 @@
+Subproject commit 56246cdb94de94f7f43c9df59635db92c41d4064
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
new file mode 100644
index 0000000..643d035
--- /dev/null
+++ b/test/CMakeLists.txt
@@ -0,0 +1,19 @@
+project(MiniFFSTests)
+
+set(THREADS_PREFER_PTHREAD_FLAG ON)
+find_package(Threads REQUIRED)
+
+include_directories(../includes)
+link_libraries(miniffs)
+
+set(TESTS_SRC fs_opening.cpp)
+
+add_executable(miniffs_test)
+target_include_directories(miniffs_test PUBLIC ${gtest_SOURCE_DIR}/include ${gtest_SOURCE_DIR})
+target_sources(miniffs_test PRIVATE ${TESTS_SRC})
+target_link_libraries(miniffs_test gtest gtest_main Threads::Threads)
+
+gtest_discover_tests(miniffs_test
+        WORKING_DIRECTORY ${PROJECT_DIR}
+        PROPERTIES VS_DEBUGGER_WORKING_DIRECTORY "${PROJECT_DIR}"
+)
diff --git a/test/fs_opening.cpp b/test/fs_opening.cpp
new file mode 100644
index 0000000..64e7fb2
--- /dev/null
+++ b/test/fs_opening.cpp
@@ -0,0 +1,7 @@
+/******************************************************************************
+ * MiniFFS : Mini Flat File System
+ * This file is part of the test suite of MiniFFS
+ *
+ * Copyright (c) 2008-2022 986-Studio. All rights reserved.
+ *
+ ******************************************************************************/
\ No newline at end of file