test/fs/TestParsePath: unit test for ParsePath()

test/fs/TestParsePath.cxx

@@ -0,0 +1,141 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+// Copyright The Music Player Daemon Project
+
+#include "config/Path.hxx"
+#include "config/Data.hxx"
+#include "fs/Path.hxx"
+#include "fs/AllocatedPath.hxx"
+#include "fs/glue/StandardDirectory.hxx"
+
+#include <gtest/gtest.h>
+
+#include <stdexcept>
+
+#ifndef _WIN32
+
+AllocatedPath
+GetHomeDir(const char *user_name) noexcept
+{
+	return AllocatedPath::FromFS(PATH_LITERAL("/home")) / AllocatedPath::FromUTF8(user_name);
+}
+
+AllocatedPath
+GetHomeDir() noexcept
+{
+	return GetHomeDir("foo");
+}
+
+#endif
+
+AllocatedPath
+GetUserConfigDir() noexcept
+{
+#ifdef _WIN32
+	return AllocatedPath::FromFS(PATH_LITERAL("c:\\users\\foo\\config"));
+#else
+	return GetHomeDir() / AllocatedPath::FromFS(PATH_LITERAL(".config"));
+#endif
+}
+
+AllocatedPath
+GetUserMusicDir() noexcept
+{
+#ifdef _WIN32
+	return AllocatedPath::FromFS(PATH_LITERAL("c:\\users\\foo\\Music"));
+#else
+	return GetHomeDir() / AllocatedPath::FromFS(PATH_LITERAL("Music"));
+#endif
+}
+
+AllocatedPath
+GetUserCacheDir() noexcept
+{
+#ifdef _WIN32
+	return nullptr;
+#else
+	return GetHomeDir() / AllocatedPath::FromFS(PATH_LITERAL(".cache"));
+#endif
+}
+
+AllocatedPath
+GetAppCacheDir() noexcept
+{
+#ifdef _WIN32
+	return nullptr;
+#else
+	return GetUserCacheDir() / AllocatedPath::FromFS(PATH_LITERAL("mpd"));
+#endif
+}
+
+AllocatedPath
+GetUserRuntimeDir() noexcept
+{
+#ifdef _WIN32
+	return nullptr;
+#else
+	return AllocatedPath::FromFS(PATH_LITERAL("/run/user/foo"));
+#endif
+}
+
+AllocatedPath
+GetAppRuntimeDir() noexcept
+{
+#ifdef _WIN32
+	return nullptr;
+#else
+	return GetUserRuntimeDir() / AllocatedPath::FromFS(PATH_LITERAL("mpd"));
+#endif
+}
+
+const char *
+ConfigData::GetString([[maybe_unused]] ConfigOption option,
+		      const char *default_value) const noexcept
+{
+	return default_value;
+}
+
+TEST(ParsePath, Basic)
+{
+	EXPECT_THROW(ParsePath(""), std::runtime_error);
+	EXPECT_EQ(ParsePath("/"), AllocatedPath::FromFS(PATH_LITERAL("/")));
+	EXPECT_EQ(ParsePath("/abc"), AllocatedPath::FromFS(PATH_LITERAL("/abc")));
+
+#ifdef _WIN32
+	EXPECT_EQ(ParsePath("c:/abc"), AllocatedPath::FromFS(PATH_LITERAL("c:/abc")));
+	EXPECT_EQ(ParsePath("c:\\abc"), AllocatedPath::FromFS(PATH_LITERAL("c:\\abc")));
+#endif
+}
+
+#ifndef _WIN32
+
+TEST(ParsePath, Tilde)
+{
+	EXPECT_EQ(ParsePath("~"), AllocatedPath::FromFS(PATH_LITERAL("/home/foo")));
+	EXPECT_EQ(ParsePath("~/"), AllocatedPath::FromFS(PATH_LITERAL("/home/foo")));
+	EXPECT_EQ(ParsePath("~/abc"), AllocatedPath::FromFS(PATH_LITERAL("/home/foo/abc")));
+	EXPECT_EQ(ParsePath("~bar"), AllocatedPath::FromFS(PATH_LITERAL("/home/bar")));
+	EXPECT_EQ(ParsePath("~bar/"), AllocatedPath::FromFS(PATH_LITERAL("/home/bar")));
+	EXPECT_EQ(ParsePath("~bar/abc"), AllocatedPath::FromFS(PATH_LITERAL("/home/bar/abc")));
+}
+
+TEST(ParsePath, Home)
+{
+	EXPECT_EQ(ParsePath("$HOME"), AllocatedPath::FromFS(PATH_LITERAL("/home/foo")));
+	EXPECT_EQ(ParsePath("$HOME/"), AllocatedPath::FromFS(PATH_LITERAL("/home/foo")));
+	EXPECT_EQ(ParsePath("$HOME/abc"), AllocatedPath::FromFS(PATH_LITERAL("/home/foo/abc")));
+}
+
+#endif
+
+#ifdef USE_XDG
+
+TEST(ParsePath, XDG)
+{
+	EXPECT_EQ(ParsePath("$XDG_CONFIG_HOME"), AllocatedPath::FromFS(PATH_LITERAL("/home/foo/.config")));
+	EXPECT_EQ(ParsePath("$XDG_CONFIG_HOME/abc"), AllocatedPath::FromFS(PATH_LITERAL("/home/foo/.config/abc")));
+	EXPECT_EQ(ParsePath("$XDG_MUSIC_DIR"), AllocatedPath::FromFS(PATH_LITERAL("/home/foo/Music")));
+	EXPECT_EQ(ParsePath("$XDG_CACHE_HOME"), AllocatedPath::FromFS(PATH_LITERAL("/home/foo/.cache")));
+	EXPECT_EQ(ParsePath("$XDG_RUNTIME_DIR/mpd"), AllocatedPath::FromFS(PATH_LITERAL("/run/user/foo/mpd")));
+}
+
+#endif

test/fs/meson.build

@@ -13,3 +13,19 @@ test(
   ),
   protocol: 'gtest',
 )
+
+test(
+  'TestParsePath',
+  executable(
+    'TestParsePath',
+    'TestParsePath.cxx',
+    '../../src/config/Path.cxx',
+    include_directories: inc,
+    dependencies: [
+      fmt_dep,
+      fs_dep,
+      gtest_dep,
+    ],
+  ),
+  protocol: 'gtest',
+)