dmc-parser 0.3.2

Typed AST parser for the dmc MDX compiler
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47

mod common;
use common::*;
use dmc_parser::ast::*;
use pretty_assertions::assert_eq;

fn first_paragraph(d: &Document) -> &Paragraph {
  for c in &d.children {
    if let Node::Paragraph(p) = c {
      return p;
    }
  }
  panic!("no paragraph");
}

#[test]
fn parses_strikethrough() {
  let d = parse_doc("~~bye~~");
  let p = first_paragraph(&d);
  assert!(p.children.iter().any(|n| matches!(n, Node::Strikethrough(_))), "got {:?}", p.children);
}

#[test]
fn parses_task_list() {
  let src = "- [ ] one\n- [x] two\n";
  let d = parse_doc(src);
  let l = d
    .children
    .iter()
    .find_map(|n| match n {
      Node::List(l) => Some(l),
      _ => None,
    })
    .expect("list");
  assert_eq!(l.children.len(), 2);
  let mut tasks = 0;
  let mut checked_count = 0;
  for c in &l.children {
    if let Node::TaskListItem(t) = c {
      tasks += 1;
      if t.checked {
        checked_count += 1;
      }
    }
  }
  assert_eq!(tasks, 2);
  assert_eq!(checked_count, 1);
}