Taking v1 as the first release (#92)

- file reading
- decoding master file

tests/CMakeLists.txt

@@ -0,0 +1,44 @@
+
+# Download catch2 if configured to do so
+if (AARE_FETCH_CATCH)
+    FetchContent_Declare(
+        Catch2
+        GIT_SHALLOW    TRUE
+        GIT_REPOSITORY https://github.com/catchorg/Catch2.git
+        GIT_TAG        v3.5.3
+    )
+    FetchContent_MakeAvailable(Catch2)
+else()
+    # Otherwise look for installed catch2
+    find_package(Catch2 3 REQUIRED)
+endif()
+
+
+list(APPEND CMAKE_MODULE_PATH ${Catch2_SOURCE_DIR}/extras)
+
+add_executable(tests test.cpp)
+target_link_libraries(tests PRIVATE Catch2::Catch2WithMain)
+
+set_target_properties(tests PROPERTIES
+        RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}
+        OUTPUT_NAME run_tests
+)
+
+include(CTest)
+include(Catch)
+catch_discover_tests(tests)
+
+set(TestSources
+        ${CMAKE_CURRENT_SOURCE_DIR}/test.cpp
+    )
+target_sources(tests PRIVATE ${TestSources} )
+
+#Work around to remove, this is not the way to do it =) 
+target_link_libraries(tests PRIVATE aare_core aare_compiler_flags)
+
+
+#configure a header to pass test file paths
+get_filename_component(TEST_FILE_PATH ${PROJECT_SOURCE_DIR}/data ABSOLUTE)
+configure_file(test_config.hpp.in test_config.hpp)
+target_include_directories(tests PRIVATE ${CMAKE_CURRENT_BINARY_DIR})
+

tests/test.cpp

@@ -0,0 +1,21 @@
+#include "test_config.hpp"
+#include <catch2/catch_test_macros.hpp>
+#include <climits>
+#include <filesystem>
+#include <fstream>
+
+TEST_CASE("Test suite can find data assets") {
+    auto fpath = test_data_path() / "numpy" / "test_numpy_file.npy";
+    REQUIRE(std::filesystem::exists(fpath));
+}
+
+TEST_CASE("Test suite can open data assets") {
+    auto fpath = test_data_path() / "numpy" / "test_numpy_file.npy";
+    auto f = std::ifstream(fpath, std::ios::binary);
+    REQUIRE(f.is_open());
+}
+
+TEST_CASE("Test float32 and char8") {
+    REQUIRE(sizeof(float) == 4);
+    REQUIRE(CHAR_BIT == 8);
+}

tests/test_config.hpp.in

@@ -0,0 +1,12 @@
+#pragma once
+#include <filesystem>
+#include <cstdlib>
+
+
+inline auto test_data_path(){
+    if(const char* env_p = std::getenv("AARE_TEST_DATA")){
+        return std::filesystem::path(env_p);
+    }else{
+        throw std::runtime_error("AARE_TEST_DATA_PATH not set");
+    }
+}