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ps/trunk/source/lib/file/vfs/tests/test_vfs_real_path.h
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/* Copyright (C) 2021 Wildfire Games. | |||||
* | |||||
* Permission is hereby granted, free of charge, to any person obtaining | |||||
* a copy of this software and associated documentation files (the | |||||
* "Software"), to deal in the Software without restriction, including | |||||
* without limitation the rights to use, copy, modify, merge, publish, | |||||
* distribute, sublicense, and/or sell copies of the Software, and to | |||||
* permit persons to whom the Software is furnished to do so, subject to | |||||
* the following conditions: | |||||
* | |||||
* The above copyright notice and this permission notice shall be included | |||||
* in all copies or substantial portions of the Software. | |||||
* | |||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |||||
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |||||
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | |||||
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY | |||||
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, | |||||
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE | |||||
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |||||
*/ | |||||
#include "lib/self_test.h" | |||||
#include "lib/file/vfs/vfs_populate.h" | |||||
#include "lib/os_path.h" | |||||
static OsPath TEST_FOLDER(DataDir()/"_test.temp"); | |||||
extern PIVFS g_VFS; | |||||
class TestVfsPopulate : public CxxTest::TestSuite | |||||
{ | |||||
void initVfs() | |||||
{ | |||||
g_VFS = CreateVfs(); | |||||
} | |||||
void deinitVfs() | |||||
{ | |||||
if(DirectoryExists(TEST_FOLDER)) | |||||
DeleteDirectory(TEST_FOLDER); | |||||
g_VFS.reset(); | |||||
} | |||||
void createRealDir(const OsPath& path) | |||||
{ | |||||
if(DirectoryExists(path)) | |||||
DeleteDirectory(path); | |||||
CreateDirectories(path, 0700, false); | |||||
} | |||||
public: | |||||
void setUp() | |||||
{ | |||||
initVfs(); | |||||
} | |||||
void tearDown() | |||||
{ | |||||
deinitVfs(); | |||||
} | |||||
/** | |||||
* This is a regression test. Before priorities were used for real directories, things were... Rather undefined. | |||||
* The new spec is that the path is relative to the highest priority subdirectory in the path. | |||||
* The order remains undefined in case of equal priority. | |||||
* (see below for tests on that). | |||||
*/ | |||||
void test_write_path_hijacking() | |||||
{ | |||||
createRealDir(TEST_FOLDER / "cache" / "some_folder"); | |||||
createRealDir(TEST_FOLDER / "some_mod" / "cache" / "some_mod"); | |||||
shared_ptr<u8> buf(new u8(1)); | |||||
g_VFS->Mount(L"", TEST_FOLDER / "some_mod", 0, 0); | |||||
// Access the subfolder, creating subdirectories in the VFS. | |||||
g_VFS->CreateFile(L"cache/some_mod/peek.txt", buf, 0); | |||||
g_VFS->Mount(L"cache/", TEST_FOLDER / "cache", 0, 1); | |||||
OsPath realPath; | |||||
g_VFS->GetDirectoryRealPath(L"cache/", realPath); | |||||
TS_ASSERT_EQUALS(realPath, TEST_FOLDER / "cache"); | |||||
g_VFS->CreateFile(L"cache/test.txt", buf, 0); | |||||
g_VFS->GetRealPath(L"cache/test.txt", realPath); | |||||
TS_ASSERT_EQUALS(realPath, TEST_FOLDER / "cache" / "test.txt"); | |||||
g_VFS->GetDirectoryRealPath(L"cache/some_mod/", realPath); | |||||
TS_ASSERT_EQUALS(realPath, TEST_FOLDER / "cache" / "some_mod"); | |||||
g_VFS->CreateFile(L"cache/some_mod/test.txt", buf, 0); | |||||
g_VFS->GetRealPath(L"cache/some_mod/test.txt", realPath); | |||||
TS_ASSERT_EQUALS(realPath, TEST_FOLDER / "cache" / "some_mod" / "test.txt"); | |||||
}; | |||||
void test_priority() | |||||
{ | |||||
createRealDir(TEST_FOLDER / "mod_a"); | |||||
createRealDir(TEST_FOLDER / "mod_b"); | |||||
// Check that the real directory points to the highest priority mod. | |||||
g_VFS->Mount(L"mod", TEST_FOLDER / "mod_a", 0, 1); | |||||
g_VFS->Mount(L"mod", TEST_FOLDER / "mod_b", 0, 0); | |||||
// For consistency, populate everything. | |||||
g_VFS->TextRepresentation().c_str(); | |||||
OsPath realPath; | |||||
g_VFS->GetDirectoryRealPath(L"mod", realPath); | |||||
TS_ASSERT_EQUALS(realPath, TEST_FOLDER / "mod_a"); | |||||
}; | |||||
void test_real_path_0() | |||||
{ | |||||
createRealDir(TEST_FOLDER / "mod_0" / "folder_a"); | |||||
createRealDir(TEST_FOLDER / "mod_0" / "folder_a" / "subfolder"); | |||||
createRealDir(TEST_FOLDER / "mod_0" / "folder_b"); | |||||
createRealDir(TEST_FOLDER / "mod_1" / "folder_a"); | |||||
createRealDir(TEST_FOLDER / "folder_a"); | |||||
g_VFS->Mount(L"folder_a/", TEST_FOLDER / "folder_a", 0, 2); | |||||
g_VFS->Mount(L"", TEST_FOLDER / "mod_1", 0, 1); | |||||
g_VFS->Mount(L"", TEST_FOLDER / "mod_0", 0, 0); | |||||
OsPath realPath; | |||||
g_VFS->GetDirectoryRealPath(L"folder_a/", realPath); | |||||
TS_ASSERT_EQUALS(realPath, TEST_FOLDER / "folder_a"); | |||||
// Despite being lower priority, we still load non-conflicting files of mod_0 | |||||
g_VFS->GetDirectoryRealPath(L"folder_b/", realPath); | |||||
// However their real path is rewritten to mod_1. | |||||
TS_ASSERT_EQUALS(realPath, TEST_FOLDER / "mod_1" / "folder_b"); | |||||
// (including sub-subfolders) | |||||
g_VFS->GetDirectoryRealPath(L"folder_a/subfolder/", realPath); | |||||
// However their real path is rewritten. | |||||
TS_ASSERT_EQUALS(realPath, TEST_FOLDER / "folder_a" / "subfolder"); | |||||
}; | |||||
void test_real_path_1() | |||||
{ | |||||
createRealDir(TEST_FOLDER / "mod_0" / "folder_a"); | |||||
createRealDir(TEST_FOLDER / "mod_1" / "folder_a"); | |||||
createRealDir(TEST_FOLDER / "folder_a"); | |||||
// Equal priority, the order is undetermined. | |||||
OsPath realPath; | |||||
g_VFS->Mount(L"", TEST_FOLDER / "mod_0", 0, 1); | |||||
g_VFS->Mount(L"folder_a/", TEST_FOLDER / "folder_a", 0, 1); | |||||
g_VFS->Mount(L"", TEST_FOLDER / "mod_1", 0, 0); | |||||
g_VFS->GetDirectoryRealPath(L"folder_a/", realPath); | |||||
TS_ASSERT_EQUALS(realPath, TEST_FOLDER / "folder_a"); | |||||
}; | |||||
// Same as test_real_path_1, but invert the mounting order | |||||
// (may or may not result in different behaviour). | |||||
void test_real_path_2() | |||||
{ | |||||
createRealDir(TEST_FOLDER / "mod_0" / "folder_a"); | |||||
createRealDir(TEST_FOLDER / "mod_1" / "folder_a"); | |||||
createRealDir(TEST_FOLDER / "folder_a"); | |||||
// Equal priority, the order is undetermined. | |||||
OsPath realPath; | |||||
g_VFS->Mount(L"folder_a/", TEST_FOLDER / "folder_a", 0, 1); | |||||
g_VFS->Mount(L"", TEST_FOLDER / "mod_1", 0, 0); | |||||
g_VFS->Mount(L"", TEST_FOLDER / "mod_0", 0, 1); | |||||
g_VFS->GetDirectoryRealPath(L"folder_a/", realPath); | |||||
TS_ASSERT_EQUALS(realPath, TEST_FOLDER / "folder_a"); | |||||
}; | |||||
void test_real_path_subpath() | |||||
{ | |||||
createRealDir(TEST_FOLDER / "mod_0" / "folder" / "subfolder"); | |||||
createRealDir(TEST_FOLDER / "mod_1" / "folder" / "subfolder"); | |||||
createRealDir(TEST_FOLDER / "other_folder"); | |||||
g_VFS->Mount(L"", TEST_FOLDER / "mod_0", 0, 0); | |||||
g_VFS->Mount(L"", TEST_FOLDER / "mod_1", 0, 1); | |||||
g_VFS->Mount(L"folder/subfolder/", TEST_FOLDER / "other_folder", 0, 2); | |||||
OsPath realPath; | |||||
g_VFS->GetDirectoryRealPath(L"folder/subfolder/", realPath); | |||||
TS_ASSERT_EQUALS(realPath, TEST_FOLDER / "other_folder"); | |||||
}; | |||||
}; |
Wildfire Games · Phabricator