vendor/mdbook/tests/parse_existing_summary_files.rs

   1 //! Some integration tests to make sure the `SUMMARY.md` parser can deal with
   2 //! some real-life examples.
   3
   4 extern crate env_logger;
   5 extern crate error_chain;
   6 extern crate mdbook;
   7
   8 use mdbook::book;
   9 use std::fs::File;
  10 use std::io::Read;
  11 use std::path::Path;
  12
  13 macro_rules! summary_md_test {
  14     ($name:ident, $filename:expr) => {
  15         #[test]
  16         fn $name() {
  17             env_logger::try_init().ok();
  18
  19             let filename = Path::new(env!("CARGO_MANIFEST_DIR"))
  20                 .join("tests")
  21                 .join("summary_md_files")
  22                 .join($filename);
  23
  24             if !filename.exists() {
  25                 panic!("{} Doesn't exist", filename.display());
  26             }
  27
  28             let mut content = String::new();
  29             File::open(&filename)
  30                 .unwrap()
  31                 .read_to_string(&mut content)
  32                 .unwrap();
  33
  34             if let Err(e) = book::parse_summary(&content) {
  35                 use error_chain::ChainedError;
  36
  37                 eprintln!("Error parsing {}", filename.display());
  38                 eprintln!();
  39                 eprintln!("{}", e.display_chain());
  40                 panic!();
  41             }
  42         }
  43     };
  44 }
  45
  46 summary_md_test!(rust_by_example, "rust_by_example.md");
  47 summary_md_test!(rust_ffi_guide, "rust_ffi_guide.md");
  48 summary_md_test!(example_book, "example_book.md");
  49 summary_md_test!(the_book_2nd_edition, "the_book-2nd_edition.md");