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use std::io::BufWriter;
use std::path::PathBuf;
use termcolor::{BufferWriter, ColorChoice};
use super::*;
const INPUT: &str = include_str!("input.md");
const OUTPUT_PATH: &[&str] = &[env!("CARGO_MANIFEST_DIR"), "src","markdown","tests","output.stdout"];
const TEST_WIDTH: usize = 80;
// We try to make some words long to create corner cases
const TXT: &str = r"Lorem ipsum dolor sit amet, consecteturadipiscingelit.
Fusce-id-urna-sollicitudin, pharetra nisl nec, lobortis tellus. In at
metus hendrerit, tincidunteratvel, ultrices turpis. Curabitur_risus_sapien,
porta-sed-nunc-sed, ultricesposuerelacus. Sed porttitor quis
dolor non venenatis. Aliquam ut. ";
const WRAPPED: &str = r"Lorem ipsum dolor sit amet, consecteturadipiscingelit. Fusce-id-urna-
sollicitudin, pharetra nisl nec, lobortis tellus. In at metus hendrerit,
tincidunteratvel, ultrices turpis. Curabitur_risus_sapien, porta-sed-nunc-sed,
ultricesposuerelacus. Sed porttitor quis dolor non venenatis. Aliquam ut. Lorem
ipsum dolor sit amet, consecteturadipiscingelit. Fusce-id-urna-
sollicitudin, pharetra nisl nec, lobortis tellus. In at metus hendrerit,
tincidunteratvel, ultrices turpis. Curabitur_risus_sapien, porta-sed-nunc-
sed, ultricesposuerelacus. Sed porttitor quis dolor non venenatis. Aliquam
ut. Sample link lorem ipsum dolor sit amet. Lorem ipsum dolor sit amet,
consecteturadipiscingelit. Fusce-id-urna-sollicitudin, pharetra nisl nec,
lobortis tellus. In at metus hendrerit, tincidunteratvel, ultrices turpis.
Curabitur_risus_sapien, porta-sed-nunc-sed, ultricesposuerelacus. Sed porttitor
quis dolor non venenatis. Aliquam ut. ";
#[test]
fn test_wrapping_write() {
WIDTH.with(|w| w.set(TEST_WIDTH));
let mut buf = BufWriter::new(Vec::new());
let txt = TXT.replace("-\n","-").replace("_\n","_").replace('\n', " ").replace(" ", "");
write_wrapping(&mut buf, &txt, 0, None).unwrap();
write_wrapping(&mut buf, &txt, 4, None).unwrap();
write_wrapping(
&mut buf,
"Sample link lorem ipsum dolor sit amet. ",
4,
Some("link-address-placeholder"),
)
.unwrap();
write_wrapping(&mut buf, &txt, 0, None).unwrap();
let out = String::from_utf8(buf.into_inner().unwrap()).unwrap();
let out = out
.replace("\x1b\\", "")
.replace('\x1b', "")
.replace("]8;;", "")
.replace("link-address-placeholder", "");
for line in out.lines() {
assert!(line.len() <= TEST_WIDTH, "line length\n'{line}'")
}
assert_eq!(out, WRAPPED);
}
#[test]
fn test_output() {
// Capture `--bless` when run via ./x
let bless = std::env::var_os("RUSTC_BLESS").is_some_and(|v| v != "0");
let ast = MdStream::parse_str(INPUT);
let bufwtr = BufferWriter::stderr(ColorChoice::Always);
let mut buffer = bufwtr.buffer();
ast.write_termcolor_buf(&mut buffer).unwrap();
let mut blessed = PathBuf::new();
blessed.extend(OUTPUT_PATH);
if bless {
std::fs::write(&blessed, buffer.into_inner()).unwrap();
eprintln!("blessed output at {}", blessed.display());
} else {
let output = buffer.into_inner();
if std::fs::read(blessed).unwrap() != output {
// hack: I don't know any way to write bytes to the captured stdout
// that cargo test uses
let mut out = std::io::stdout();
out.write_all(b"\n\nMarkdown output did not match. Expected:\n").unwrap();
out.write_all(&output).unwrap();
out.write_all(b"\n\n").unwrap();
panic!("markdown output mismatch");
}
}
}
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