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#include <kernel/mem/alloc.h>
#include <kernel/tests/base.h>
#include <kernel/util.h>
#include <kernel/vfs/mount.h>
#include <kernel/vfs/path.h>
TEST(path_simplify) {
#define TEST_WRAPPER(argument, result) do { \
int len = path_simplify(argument, buf, sizeof(argument) - 1); \
if (result == 0) { \
TEST_COND(len < 0); \
} else { \
if (len == sizeof(result) - 1) { \
TEST_COND(0 == memcmp(result, buf, len)); \
} else { \
TEST_COND(false); \
} \
} \
} while (0)
char buf[256];
// some easy cases first
TEST_WRAPPER("/", "/");
TEST_WRAPPER("/.", "/");
TEST_WRAPPER("//", "/");
TEST_WRAPPER("/asdf", "/asdf");
TEST_WRAPPER("/asdf/", "/asdf/");
TEST_WRAPPER("/asdf//", "/asdf/");
TEST_WRAPPER("/asdf/./", "/asdf/");
TEST_WRAPPER("/a/./b", "/a/b");
TEST_WRAPPER("/a/./b/", "/a/b/");
// some slightly less easy cases
TEST_WRAPPER("/asdf/..", "/");
TEST_WRAPPER("/asdf/../", "/");
TEST_WRAPPER("/asdf/.", "/asdf/");
TEST_WRAPPER("/asdf//.", "/asdf/");
// going under the root or close to it
TEST_WRAPPER("/..", 0);
TEST_WRAPPER("/../asdf", 0);
TEST_WRAPPER("/../asdf/", 0);
TEST_WRAPPER("/./a/../..", 0);
TEST_WRAPPER("/a/a/../..", "/");
TEST_WRAPPER("/a/../a/..", "/");
TEST_WRAPPER("/a/../../a", 0);
TEST_WRAPPER("/../a/../a", 0);
TEST_WRAPPER("/../../a/a", 0);
TEST_WRAPPER("/////../..", 0);
TEST_WRAPPER("//a//../..", 0);
// relative paths aren't allowed
TEST_WRAPPER("relative", 0);
TEST_WRAPPER("some/stuff", 0);
TEST_WRAPPER("./stuff", 0);
TEST_WRAPPER("../stuff", 0);
TEST_WRAPPER("", 0);
#undef TEST_WRAPPER
}
TEST(vfs_mount_resolve) {
struct vfs_mount *mount = NULL;
#define ADD_MOUNT(path) do { \
struct vfs_mount *mount2 = kmalloc(sizeof(struct vfs_mount)); \
mount2->prefix = path; \
mount2->prefix_len = sizeof(path) - 1; \
mount2->prev = mount; \
mount = mount2; \
} while (0)
ADD_MOUNT(""); // root mount
ADD_MOUNT("/dir/shadowed");
ADD_MOUNT("/dir");
#undef ADD_MOUNT
#define TEST_WRAPPER(path, expected) do { \
struct vfs_mount *mount2 = vfs_mount_resolve(mount, path, sizeof(path) - 1); \
TEST_COND((mount2->prefix_len == sizeof(expected) - 1) \
&& (0 == memcmp(mount2->prefix, expected, mount2->prefix_len))); \
} while (0)
TEST_WRAPPER("/", "");
TEST_WRAPPER("/test", "");
TEST_WRAPPER("/dir", "/dir");
TEST_WRAPPER("/dirry", "");
TEST_WRAPPER("/dir/", "/dir");
TEST_WRAPPER("/dir/shadowed", "/dir");
TEST_WRAPPER("/dir/shadowed/", "/dir");
#undef TEST_WRAPPER
}
void tests_vfs(void) {
TEST_RUN(path_simplify);
TEST_RUN(vfs_mount_resolve);
}
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