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Add some os.open and os.openat smoke tests

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This commit is contained in:
Jakub Konka 2020-07-31 00:31:11 +02:00
parent 390194431e
commit a694f575ad
1 changed files with 90 additions and 0 deletions
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90
lib/std/os/test.zig
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@ -3,6 +3,7 @@ const os = std.os;
const testing = std.testing;
const expect = testing.expect;
const expectEqual = testing.expectEqual;
const expectError = testing.expectError;
const io = std.io;
const fs = std.fs;
const mem = std.mem;
@ -19,6 +20,95 @@ const tmpDir = std.testing.tmpDir;
const Dir = std.fs.Dir;
const ArenaAllocator = std.heap.ArenaAllocator;
test "open smoke test" {
if (builtin.os.tag == .windows) return error.SkipZigTest;
if (builtin.os.tag == .wasi) return error.SkipZigTest;
// TODO verify file attributes using `fstat`
var tmp = tmpDir(.{});
defer tmp.cleanup();
// 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);
};
var file_path: []u8 = undefined;
var fd: os.fd_t = undefined;
// Create some file using `open`.
file_path = try fs.path.join(&arena.allocator, &[_][]const u8{ base_path, "some_file" });
fd = try os.open(file_path, os.O_RDWR | os.O_CREAT | os.O_EXCL, 0o666);
os.close(fd);
// Try this again with the same flags. This op should fail with error.PathAlreadyExists.
file_path = try fs.path.join(&arena.allocator, &[_][]const u8{ base_path, "some_file" });
expectError(error.PathAlreadyExists, os.open(file_path, os.O_RDWR | os.O_CREAT | os.O_EXCL, 0o666));
// Try opening without `O_EXCL` flag.
file_path = try fs.path.join(&arena.allocator, &[_][]const u8{ base_path, "some_file" });
fd = try os.open(file_path, os.O_RDWR | os.O_CREAT, 0o666);
os.close(fd);
// Try opening as a directory which should fail.
file_path = try fs.path.join(&arena.allocator, &[_][]const u8{ base_path, "some_file" });
expectError(error.NotDir, os.open(file_path, os.O_RDWR | os.O_DIRECTORY, 0o666));
// Create some directory
file_path = try fs.path.join(&arena.allocator, &[_][]const u8{ base_path, "some_dir" });
try os.mkdir(file_path, 0o666);
// Open dir using `open`
file_path = try fs.path.join(&arena.allocator, &[_][]const u8{ base_path, "some_dir" });
fd = try os.open(file_path, os.O_RDONLY | os.O_DIRECTORY, 0o666);
os.close(fd);
// Try opening as file which should fail.
file_path = try fs.path.join(&arena.allocator, &[_][]const u8{ base_path, "some_dir" });
expectError(error.IsDir, os.open(file_path, os.O_RDWR, 0o666));
}
test "openat smoke test" {
if (builtin.os.tag == .windows) return error.SkipZigTest;
if (builtin.os.tag == .wasi) return error.SkipZigTest;
// TODO verify file attributes using `fstatat`
var tmp = tmpDir(.{});
defer tmp.cleanup();
var fd: os.fd_t = undefined;
// Create some file using `openat`.
fd = try os.openat(tmp.dir.fd, "some_file", os.O_RDWR | os.O_CREAT | os.O_EXCL, 0o666);
os.close(fd);
// Try this again with the same flags. This op should fail with error.PathAlreadyExists.
expectError(error.PathAlreadyExists, os.openat(tmp.dir.fd, "some_file", os.O_RDWR | os.O_CREAT | os.O_EXCL, 0o666));
// Try opening without `O_EXCL` flag.
fd = try os.openat(tmp.dir.fd, "some_file", os.O_RDWR | os.O_CREAT, 0o666);
os.close(fd);
// Try opening as a directory which should fail.
expectError(error.NotDir, os.openat(tmp.dir.fd, "some_file", os.O_RDWR | os.O_DIRECTORY, 0o666));
// Create some directory
try os.mkdirat(tmp.dir.fd, "some_dir", 0o666);
// Open dir using `open`
fd = try os.openat(tmp.dir.fd, "some_dir", os.O_RDONLY | os.O_DIRECTORY, 0o666);
os.close(fd);
// Try opening as file which should fail.
expectError(error.IsDir, os.openat(tmp.dir.fd, "some_dir", os.O_RDWR, 0o666));
}
test "symlink with relative paths" {
if (builtin.os.tag == .wasi) return error.SkipZigTest;