authorgravatar for thejoshwolfe@gmail.comJosh Wolfe <thejoshwolfe@gmail.com> 2025-08-30 23:46:10-04:00
committergravatar for thejoshwolfe@gmail.comJosh Wolfe <thejoshwolfe@gmail.com> 2025-08-30 23:46:10-04:00
log8de26d5382a0f34db62f6e7d3b45b73ef801588f
tree8b06ed8118971db76dac0835a65954b923643ee7
parent69c1dbc9ff9f5031f7262d6079b83285f5fc0c86

add tests for new help stuff

1 files changed, 40 insertions(+), 0 deletions(-)

lib/std/cli.zig+40
......@@ -1532,3 +1532,43 @@ test "custom help" {
15321532 try testing.expectError(error.Help, parseSlice(Args, allocator, &[_][]const u8{"--help"}, options));
15331533 try testing.expectEqualStrings(Args.help, aw.written());
15341534}
1535
1536test "description" {
1537 var arena: std.heap.ArenaAllocator = .init(testing.allocator);
1538 defer arena.deinit();
1539 const allocator = arena.allocator();
1540
1541 var aw: Writer.Allocating = .init(allocator);
1542 const options = Options{ .prog = "unused-prog", .writer = &aw.writer };
1543
1544 const Args = struct {
1545 pub const description =
1546 \\This is a description
1547 ;
1548 };
1549 try testing.expectError(error.Help, parseSlice(Args, allocator, &[_][]const u8{"--help"}, options));
1550 try testing.expect(mem.indexOf(u8, aw.written(), Args.description) != null);
1551}
1552
1553test "field help" {
1554 var arena: std.heap.ArenaAllocator = .init(testing.allocator);
1555 defer arena.deinit();
1556 const allocator = arena.allocator();
1557
1558 var aw: Writer.Allocating = .init(allocator);
1559 const options = Options{ .prog = "unused-prog", .writer = &aw.writer };
1560
1561 const Args = struct {
1562 named: struct {
1563 output: []const u8,
1564 pub const output_help = "help for output";
1565 },
1566 positional: struct {
1567 args: []const []const u8 = &.{},
1568 pub const args_help = "help for args";
1569 },
1570 };
1571 try testing.expectError(error.Help, parseSlice(Args, allocator, &[_][]const u8{"--help"}, options));
1572 try testing.expect(mem.indexOf(u8, aw.written(), @FieldType(Args, "named").output_help) != null);
1573 try testing.expect(mem.indexOf(u8, aw.written(), @FieldType(Args, "positional").args_help) != null);
1574}