core: begin implementing tests

5 files changed, 162 insertions, 0 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 86de9c9..6d8a867 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,6 +18,7 @@ list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake/Modules")
 
 include("ConanDependencies")
 include("SystemDependencies")
+include("CUTE")
 
 ##### Wanda CORE #####
 
@@ -51,6 +52,7 @@ set(WANDA_CORE_LIBRARIES
 
 add_library("wanda" ${WANDA_CORE_SOURCES} ${WANDA_CORE_HEADERS})
 target_link_libraries("wanda" ${WANDA_CORE_LIBRARIES})
+target_include_directories("wanda" INTERFACE $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/src>)
 set_target_properties("wanda" PROPERTIES PUBLIC_HEADER "${WANDA_CORE_HEADERS}")
 install(TARGETS "wanda" ARCHIVE DESTINATION "lib" PUBLIC_HEADER DESTINATION "include")
 
@@ -100,3 +102,23 @@ set(WANDA_CONTROLLER_LIBRARIES
 add_executable("wandac" ${WANDA_CONTROLLER_SOURCES} ${WANDA_CONTROLLER_HEADERS})
 target_link_libraries("wandac" ${WANDA_CONTROLLER_LIBRARIES})
 install(TARGETS "wandac" RUNTIME DESTINATION "bin")
+
+##### Wanda Core Tests #####
+if(CUTE_FOUND)
+  set(WANDA_CORE_TESTS_SUITE_SOURCES
+    "tests/test_suite_xdg.cpp"
+    )
+
+  set(WANDA_CORE_TESTS_SUITE_HEADERS
+    "tests/test_suite_xdg.hpp"
+  )
+
+  set(WANDA_CORE_TESTS_LIBRARIES
+    "wanda"
+    "LIB::CUTE"
+  )
+
+  add_executable("wanda_core_tests" "tests/core_driver.cpp" ${WANDA_CORE_TESTS_SUITE_SOURCES} ${WANDA_CORE_TESTS_SUITE_HEADERS})
+  target_link_libraries("wanda_core_tests" ${WANDA_CORE_TESTS_LIBRARIES})
+  add_test(NAME "wanda_core_tests" COMMAND "wanda_core_tests")
+endif()
\ No newline at end of file
diff --git a/cmake/Modules/CUTE.cmake b/cmake/Modules/CUTE.cmake
new file mode 100644
index 0000000..1f0e7df
--- /dev/null
+++ b/cmake/Modules/CUTE.cmake
@@ -0,0 +1,11 @@
+if(NOT EXISTS "${PROJECT_SOURCE_DIR}/lib/cute/cute/cute.h")
+  message(STATUS "CUTE: Submodule 'lib/cute' not checked out. Disabling tests.")
+  set(CUTE_FOUND OFF)
+else()
+  message(STATUS "CUTE: Found submodule 'lib/cute'. Enabling tests.")
+  include("CTest")
+  enable_testing()
+  add_library("LIB::CUTE" INTERFACE IMPORTED)
+  set_property(TARGET "LIB::CUTE" PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${PROJECT_SOURCE_DIR}/lib/cute")
+  set(CUTE_FOUND ON)
+endif()
\ No newline at end of file
diff --git a/tests/core_driver.cpp b/tests/core_driver.cpp
new file mode 100644
index 0000000..3643da0
--- /dev/null
+++ b/tests/core_driver.cpp
@@ -0,0 +1,18 @@
+#include "test_suite_xdg.hpp"
+
+#include "cute/cute.h"
+#include "cute/cute_runner.h"
+#include "cute/tap_listener.h"
+
+#include <algorithm>
+#include <iostream>
+#include <iterator>
+#include <vector>
+
+int main(int argc, char const *const *argv)
+{
+    auto listener = cute::tap_listener<>{std::cout};
+    auto runner = cute::makeRunner(listener, argc, argv);
+    auto suites = std::vector<std::pair<cute::suite, std::string>>{wanda::test_suite_xdg()};
+    return !all_of(cbegin(suites), cend(suites), [&](auto const &suite) { return runner(suite.first, suite.second.c_str()); });
+}
\ No newline at end of file
diff --git a/tests/test_suite_xdg.cpp b/tests/test_suite_xdg.cpp
new file mode 100644
index 0000000..48f3eaa
--- /dev/null
+++ b/tests/test_suite_xdg.cpp
@@ -0,0 +1,95 @@
+#include "test_suite_xdg.hpp"
+#include "xdg.hpp"
+
+#include "cute/cute.h"
+
+#include <unistd.h>
+
+#include <filesystem>
+
+namespace wanda
+{
+
+namespace
+{
+    char const * home_only_environment[2] = {"HOME=/home/cute"};
+    char const * xdg_data_home_environment[2] = {"XDG_DATA_HOME=/home/cute/xdg_data_home"};
+    char const * xdg_config_home_environment[2] = {"XDG_CONFIG_HOME=/home/cute/xdg_config_home"};
+    char const * xdg_cache_home_environment[2] = {"XDG_CACHE_HOME=/home/cute/xdg_cache_home"};
+    char const * xdg_runtime_dir_environment[2] = {"XDG_RUNTIME_DIR=/home/cute/xdg_runtime_dir"};
+}
+
+void test_xdg_variables()
+{
+    ASSERT_EQUAL("XDG_DATA_HOME", xdg_variable(xdg_directory::data_home));
+    ASSERT_EQUAL("XDG_CONFIG_HOME", xdg_variable(xdg_directory::config_home));
+    ASSERT_EQUAL("XDG_CACHE_HOME", xdg_variable(xdg_directory::cache_home));
+    ASSERT_EQUAL("XDG_RUNTIME_DIR", xdg_variable(xdg_directory::runtime_dir));
+}
+
+void test_xdg_path_for_data_home_without_xdg_data_home_in_environment()
+{
+    auto env = environment{home_only_environment};
+    ASSERT_EQUAL("/home/cute/.local/share", xdg_path_for(xdg_directory::data_home, env));
+}
+
+void test_xdg_path_for_data_home_with_xdg_data_home_in_environment()
+{
+    auto env = environment{xdg_data_home_environment};
+    ASSERT_EQUAL("/home/cute/xdg_data_home", xdg_path_for(xdg_directory::data_home, env));
+}
+
+void test_xdg_path_for_config_home_without_xdg_config_home_in_environment()
+{
+    auto env = environment{home_only_environment};
+    ASSERT_EQUAL("/home/cute/.config", xdg_path_for(xdg_directory::config_home, env));
+}
+
+void test_xdg_path_for_config_home_with_xdg_config_home_in_environment()
+{
+    auto env = environment{xdg_config_home_environment};
+    ASSERT_EQUAL("/home/cute/xdg_config_home", xdg_path_for(xdg_directory::config_home, env));
+}
+
+void test_xdg_path_for_cache_home_without_xdg_cache_home_in_environment()
+{
+    auto env = environment{home_only_environment};
+    ASSERT_EQUAL("/home/cute/.cache", xdg_path_for(xdg_directory::cache_home, env));
+}
+
+void test_xdg_path_for_cache_home_with_xdg_cache_home_in_environment()
+{
+    auto env = environment{xdg_cache_home_environment};
+    ASSERT_EQUAL("/home/cute/xdg_cache_home", xdg_path_for(xdg_directory::cache_home, env));
+}
+
+void test_xdg_path_for_runtime_dir_without_xdg_runtime_dir_in_environment()
+{
+    auto env = environment{home_only_environment};
+    auto expected = std::filesystem::path{"/run/user"} / std::to_string(::getuid());
+    ASSERT_EQUAL(expected, xdg_path_for(xdg_directory::runtime_dir, env));
+}
+
+void test_xdg_path_for_runtime_dir_with_xdg_runtime_dir_in_environment()
+{
+    auto env = environment{xdg_runtime_dir_environment};
+    ASSERT_EQUAL("/home/cute/xdg_runtime_dir", xdg_path_for(xdg_directory::runtime_dir, env));
+}
+
+std::pair<cute::suite, std::string> test_suite_xdg()
+{
+    return std::make_pair(cute::suite{
+                              CUTE(test_xdg_variables),
+                              CUTE(test_xdg_path_for_data_home_without_xdg_data_home_in_environment),
+                              CUTE(test_xdg_path_for_data_home_with_xdg_data_home_in_environment),
+                              CUTE(test_xdg_path_for_config_home_without_xdg_config_home_in_environment),
+                              CUTE(test_xdg_path_for_config_home_with_xdg_config_home_in_environment),
+                              CUTE(test_xdg_path_for_cache_home_without_xdg_cache_home_in_environment),
+                              CUTE(test_xdg_path_for_cache_home_with_xdg_cache_home_in_environment),
+                              CUTE(test_xdg_path_for_runtime_dir_without_xdg_runtime_dir_in_environment),
+                              CUTE(test_xdg_path_for_runtime_dir_with_xdg_runtime_dir_in_environment),
+                          },
+                          "XDG Utilities");
+}
+
+} // namespace wanda
\ No newline at end of file
diff --git a/tests/test_suite_xdg.hpp b/tests/test_suite_xdg.hpp
new file mode 100644
index 0000000..698ad9a
--- /dev/null
+++ b/tests/test_suite_xdg.hpp
@@ -0,0 +1,16 @@
+#ifndef WANDA_TEST_SUITE_XDG_HPP
+#define WANDA_TEST_SUITE_XDG_HPP
+
+#include "cute/cute.h"
+
+#include <string>
+#include <utility>
+
+namespace wanda
+{
+
+std::pair<cute::suite, std::string> test_suite_xdg();
+
+} // namespace wanda
+
+#endif
\ No newline at end of file