| ... | @@ -1379,3 +1379,49 @@ test "build and call child_process" { | ... | @@ -1379,3 +1379,49 @@ test "build and call child_process" { |
| 1379 | const ret_val = try child_proc.spawnAndWait(); | 1379 | const ret_val = try child_proc.spawnAndWait(); |
| 1380 | try testing.expectEqual(ret_val, .{ .Exited = 0 }); | 1380 | try testing.expectEqual(ret_val, .{ .Exited = 0 }); |
| 1381 | } | 1381 | } |
| | 1382 | |
| | 1383 | test "creating a child process with stdin/stdout behavior set to StdIo.Pipe" { |
| | 1384 | if (builtin.os.tag == .wasi) return error.SkipZigTest; |
| | 1385 | const testing = std.testing; |
| | 1386 | const allocator = testing.allocator; |
| | 1387 | |
| | 1388 | var child_process = try std.ChildProcess.init( |
| | 1389 | &[_][]const u8{ testing.zig_exe_path, "fmt", "--stdin" }, |
| | 1390 | allocator, |
| | 1391 | ); |
| | 1392 | defer child_process.deinit(); |
| | 1393 | child_process.stdin_behavior = .Pipe; |
| | 1394 | child_process.stdout_behavior = .Pipe; |
| | 1395 | |
| | 1396 | try child_process.spawn(); |
| | 1397 | |
| | 1398 | const input_program = |
| | 1399 | \\ const std = @import("std"); |
| | 1400 | \\ pub fn main() void { |
| | 1401 | \\ std.debug.print("Hello World", .{}); |
| | 1402 | \\ } |
| | 1403 | ; |
| | 1404 | |
| | 1405 | try child_process.stdin.?.writer().writeAll(input_program); |
| | 1406 | child_process.stdin.?.close(); |
| | 1407 | child_process.stdin = null; |
| | 1408 | |
| | 1409 | const out_bytes = try child_process.stdout.?.reader().readAllAlloc(allocator, std.math.maxInt(usize)); |
| | 1410 | defer allocator.free(out_bytes); |
| | 1411 | |
| | 1412 | switch (try child_process.wait()) { |
| | 1413 | .Exited => |code| if (code == 0) { |
| | 1414 | const expected_program = |
| | 1415 | \\const std = @import("std"); |
| | 1416 | \\pub fn main() void { |
| | 1417 | \\ std.debug.print("Hello World", .{}); |
| | 1418 | \\} |
| | 1419 | \\ |
| | 1420 | ; |
| | 1421 | try testing.expectEqualStrings(expected_program, out_bytes); |
| | 1422 | }, |
| | 1423 | else => { |
| | 1424 | try testing.expect(false); |
| | 1425 | } |
| | 1426 | } |
| | 1427 | } |
Rabin Gaire <rabingaire20@gmail.com> 2022-04-20 18:37:10+05:45