use std::fs;

use anyhow::{Context, Result};
use assert_cmd::prelude::*;
use predicates::str::contains;

use crate::support::*;

mod support;

#[test]
fn it_documents() -> Result<()> {
    let project = Project::new("foo", true)?;

    project
        .cargo_component(["doc"])
        .assert()
        .stderr(contains(
            "Finished `dev` profile [unoptimized + debuginfo] target(s)",
        ))
        .success();

    let doc = project.build_dir().join("doc");

    let path = doc.join("src").join("foo").join("lib.rs.html");
    let content = fs::read(&path).with_context(|| {
        format!(
            "failed to read generated doc file `{path}`",
            path = path.display()
        )
    })?;
    assert!(std::str::from_utf8(&content)?.contains("Say hello!"));

    Ok(())
}