mdBook/tests/alternate_backends.rs

87 lines
2.0 KiB
Rust

//! Integration tests to make sure alternate backends work.
extern crate mdbook;
extern crate tempdir;
#[cfg(not(windows))]
use std::path::Path;
use tempdir::TempDir;
use mdbook::config::Config;
use mdbook::MDBook;
#[test]
fn passing_alternate_backend() {
let (md, _temp) = dummy_book_with_backend("passing", "true");
md.build().unwrap();
}
#[test]
fn failing_alternate_backend() {
let (md, _temp) = dummy_book_with_backend("failing", "false");
md.build().unwrap_err();
}
#[test]
fn missing_backends_arent_fatal() {
let (md, _temp) = dummy_book_with_backend("missing", "trduyvbhijnorgevfuhn");
assert!(md.build().is_ok());
}
#[test]
fn alternate_backend_with_arguments() {
let (md, _temp) = dummy_book_with_backend("arguments", "echo Hello World!");
md.build().unwrap();
}
/// Get a command which will pipe `stdin` to the provided file.
#[cfg(not(windows))]
fn tee_command<P: AsRef<Path>>(out_file: P) -> String {
let out_file = out_file.as_ref();
if cfg!(windows) {
format!("cmd.exe /c \"type > {}\"", out_file.display())
} else {
format!("tee {}", out_file.display())
}
}
#[test]
#[cfg(not(windows))]
fn backends_receive_render_context_via_stdin() {
use std::fs::File;
use mdbook::renderer::RenderContext;
let temp = TempDir::new("output").unwrap();
let out_file = temp.path().join("out.txt");
let cmd = tee_command(&out_file);
let (md, _temp) = dummy_book_with_backend("cat-to-file", &cmd);
assert!(!out_file.exists());
md.build().unwrap();
assert!(out_file.exists());
let got = RenderContext::from_json(File::open(&out_file).unwrap());
assert!(got.is_ok());
}
fn dummy_book_with_backend(name: &str, command: &str) -> (MDBook, TempDir) {
let temp = TempDir::new("mdbook").unwrap();
let mut config = Config::default();
config
.set(format!("output.{}.command", name), command)
.unwrap();
let md = MDBook::init(temp.path())
.with_config(config)
.build()
.unwrap();
(md, temp)
}