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Add smoke test for dir symlinks

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This commit is contained in:
Jakub Konka 2020-07-15 17:40:39 +02:00
parent 30f1176a54
commit a8a02dfbfa
1 changed files with 25 additions and 21 deletions
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46
lib/std/os/test.zig
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@ -44,7 +44,7 @@ test "fstatat" {
test "readlink" {
if (builtin.os.tag == .wasi) return error.SkipZigTest;
// First, try relative paths
// First, try relative paths in cwd
{
var cwd = fs.cwd();
try cwd.writeFile("file.txt", "nonsense");
@ -58,37 +58,41 @@ test "readlink" {
try cwd.deleteFile("symlinked");
}
// Next, let's try fully-qualified paths
{
var tmp = tmpDir(.{});
// defer tmp.cleanup();
// Now, let's use tempdir
var tmp = tmpDir(.{});
// defer tmp.cleanup();
// create file
try tmp.dir.writeFile("file.txt", "nonsense");
// Create some targets
try tmp.dir.writeFile("file.txt", "nonsense");
try tmp.dir.makeDir("subdir");
// get paths
// TODO: use Dir's realpath function once that exists
var arena = ArenaAllocator.init(testing.allocator);
defer arena.deinit();
// Get base abs path
var arena = ArenaAllocator.init(testing.allocator);
defer arena.deinit();
const base_path = blk: {
const relative_path = try fs.path.join(&arena.allocator, &[_][]const u8{ "zig-cache", "tmp", tmp.sub_path[0..] });
break :blk try fs.realpathAlloc(&arena.allocator, relative_path);
};
const target_path = try fs.path.join(&arena.allocator, &[_][]const u8{ base_path, "file.txt" });
const symlink_path = try fs.path.join(&arena.allocator, &[_][]const u8{ base_path, "symlinked" });
const base_path = blk: {
const relative_path = try fs.path.join(&arena.allocator, &[_][]const u8{ "zig-cache", "tmp", tmp.sub_path[0..] });
break :blk try fs.realpathAlloc(&arena.allocator, relative_path);
};
try testReadlink(&arena.allocator, base_path, "file.txt", "symlink1", false);
try testReadlink(&arena.allocator, base_path, "subdir", "symlink2", true);
}
fn testReadlink(allocator: *mem.Allocator, base_path: []const u8, target_name: []const u8, symlink_name: []const u8, is_dir: bool) !void {
const target_path = try fs.path.join(allocator, &[_][]const u8{ base_path, target_name });
const symlink_path = try fs.path.join(allocator, &[_][]const u8{ base_path, symlink_name });
std.debug.warn("\ntarget_path={}\n", .{target_path});
std.debug.warn("symlink_path={}\n", .{symlink_path});
// create symbolic link by path
try os.symlink(target_path, symlink_path, .{});
// Create symbolic link by path
try os.symlink(target_path, symlink_path, .{ .is_directory = is_dir });
// now, read the link and verify
// Read the link and verify
var buffer: [fs.MAX_PATH_BYTES]u8 = undefined;
const given = try os.readlink(symlink_path, buffer[0..]);
std.debug.warn("given={}\n", .{given});
expect(mem.eql(u8, target_path, given));
}
}
test "readlinkat" {