mod dummy_book;

use crate::dummy_book::DummyBook;

use assert_cmd::Command;
use predicates::boolean::PredicateBooleanExt;

#[test]
fn mdbook_cli_can_correctly_test_a_passing_book() {
    let temp = DummyBook::new().with_passing_test(true).build().unwrap();

    let mut cmd = Command::cargo_bin("mdbook").unwrap();
    cmd.arg("test").current_dir(temp.path());
    cmd.assert().success()
      .stderr(predicates::str::is_match(r##"Testing file: "([^"]+)/src/README.md""##).unwrap())
      .stderr(predicates::str::is_match(r##"Testing file: "([^"]+)/src/intro.md""##).unwrap())
      .stderr(predicates::str::is_match(r##"Testing file: "([^"]+)/first/index.md""##).unwrap())
      .stderr(predicates::str::is_match(r##"Testing file: "([^"]+)/first/nested.md""##).unwrap())
      .stderr(predicates::str::is_match(r##"rustdoc returned an error:\n\n"##).unwrap().not())
      .stderr(predicates::str::is_match(r##"Nested_Chapter::Rustdoc_include_works_with_anchors_too \(line \d+\) ... FAILED"##).unwrap().not());
}

#[test]
fn mdbook_cli_detects_book_with_failing_tests() {
    let temp = DummyBook::new().with_passing_test(false).build().unwrap();

    let mut cmd = Command::cargo_bin("mdbook").unwrap();
    cmd.arg("test").current_dir(temp.path());
    cmd.assert().failure()
      .stderr(predicates::str::is_match(r##"Testing file: "([^"]+)/src/README.md""##).unwrap())
      .stderr(predicates::str::is_match(r##"Testing file: "([^"]+)/src/intro.md""##).unwrap())
      .stderr(predicates::str::is_match(r##"Testing file: "([^"]+)/first/index.md""##).unwrap())
      .stderr(predicates::str::is_match(r##"Testing file: "([^"]+)/first/nested.md""##).unwrap())
      .stderr(predicates::str::is_match(r##"rustdoc returned an error:\n\n"##).unwrap())
      .stderr(predicates::str::is_match(r##"Nested_Chapter::Rustdoc_include_works_with_anchors_too \(line \d+\) ... FAILED"##).unwrap());
}

#[test]
fn mdbook_cli_dummy_book_generates_index_html() {
    let temp = DummyBook::new().build().unwrap();

    // doesn't exist before
    assert!(!temp.path().join("book").exists());

    let mut cmd = Command::cargo_bin("mdbook").unwrap();
    cmd.arg("build").current_dir(temp.path());
    cmd.assert()
        .success()
        .stderr(predicates::str::contains(
            r##"[ERROR] (mdbook::preprocess::links): Stack depth exceeded in first/recursive.md."##,
        ))
        .stderr(predicates::str::contains(
            r##"[INFO] (mdbook::book): Running the html backend"##,
        ));

    // exists afterward
    assert!(temp.path().join("book").exists());

    let index_file = temp.path().join("book/index.html");
    assert!(index_file.exists());
}