lib: Add path_expandvars() internal API call

1 files changed, 72 insertions, 0 deletions

diff --git a/host/tests/paths_test.cpp b/host/tests/paths_test.cpp
new file mode 100644
index 000000000..0ccebd333
--- /dev/null
+++ b/host/tests/paths_test.cpp
@@ -0,0 +1,72 @@
+//
+// Copyright 2018 Ettus Research, a National Instruments Company
+//
+// SPDX-License-Identifier: GPL-3.0-or-later
+//
+
+#include <uhd/config.hpp>
+#include <uhd/exception.hpp>
+#include <uhd/utils/paths.hpp>
+#include <uhdlib/utils/paths.hpp>
+#include <boost/test/unit_test.hpp>
+#include <boost/filesystem/operations.hpp>
+#include <vector>
+#include <iostream>
+
+BOOST_AUTO_TEST_CASE(test_paths_expandvars) {
+#ifdef UHD_PLATFORM_WIN32
+    const std::string path_to_expand("\%programdata%/uhd/uhd.conf");
+#else
+    const std::string path_to_expand("$HOME/.uhd/uhd.conf");
+#endif
+    const std::string expanded_path = uhd::path_expandvars(path_to_expand);
+
+    std::cout << "Expanded path: " << path_to_expand << " -> "
+              << expanded_path << std::endl;
+    BOOST_CHECK(path_to_expand != expanded_path);
+
+#ifdef UHD_PLATFORM_WIN32
+    const std::string var_identifier = "%";
+#else
+    const std::string var_identifier = "$";
+#endif
+
+    BOOST_CHECK(expanded_path.find(var_identifier) == std::string::npos);
+}
+
+
+BOOST_AUTO_TEST_CASE(test_get_paths) {
+    using namespace uhd;
+
+    const std::string tmp_path = get_tmp_path();
+    const std::string app_path = get_app_path();
+    const std::string pkg_path = get_pkg_path();
+    const auto module_paths = get_module_paths();
+
+    std::cout << "tmp_path: " << tmp_path << std::endl;
+    std::cout << "app_path: " << app_path << std::endl;
+    std::cout << "pkg_path: " << pkg_path << std::endl;
+    for (const auto& module_path : module_paths) {
+        std::cout << "module path: " << module_path << std::endl;
+    }
+
+    const std::string images_dir_search_path = "";
+    const std::string images_dir = get_images_dir(images_dir_search_path);
+    BOOST_REQUIRE_THROW(
+        find_image_path("this_device_does_not_exist.bit", ""),
+        uhd::io_error
+    );
+
+    const std::string utility_path = find_utility(
+            "uhd_images_downloader"
+    );
+    std::cout << "utility_path: " << utility_path << std::endl;
+
+    const std::string utility_error = print_utility_error(
+            "uhd_images_downloader",
+            "--help"
+    );
+    std::cout << "utility_error: " << tmp_path << std::endl;
+
+}
+