mdbook/tests/alternative_backends.rs

57 lines
1.8 KiB
Rust

//! Integration tests to make sure alternative backends work.
use mdbook::config::Config;
use mdbook::MDBook;
use std::fs;
use std::path::Path;
use tempfile::Builder as TempFileBuilder;
#[test]
fn relative_command_path() {
// Checks behavior of relative paths for the `command` setting.
let temp = TempFileBuilder::new().prefix("mdbook").tempdir().unwrap();
let renderers = temp.path().join("renderers");
fs::create_dir(&renderers).unwrap();
rust_exe(
&renderers,
"myrenderer",
r#"fn main() {
std::fs::write("output", "test").unwrap();
}"#,
);
let do_test = |cmd_path| {
let mut config = Config::default();
config
.set("output.html", toml::value::Table::new())
.unwrap();
config.set("output.myrenderer.command", cmd_path).unwrap();
let md = MDBook::init(temp.path())
.with_config(config)
.build()
.unwrap();
let output = temp.path().join("book/myrenderer/output");
assert!(!output.exists());
md.build().unwrap();
assert!(output.exists());
fs::remove_file(output).unwrap();
};
// Legacy paths work, relative to the output directory.
if cfg!(windows) {
do_test("../../renderers/myrenderer.exe");
} else {
do_test("../../renderers/myrenderer");
}
// Modern path, relative to the book directory.
do_test("renderers/myrenderer");
}
fn rust_exe(temp: &Path, name: &str, src: &str) {
let rs = temp.join(name).with_extension("rs");
fs::write(&rs, src).unwrap();
let status = std::process::Command::new("rustc")
.arg(rs)
.current_dir(temp)
.status()
.expect("rustc should run");
assert!(status.success());
}