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//@ needs-target-std
use std::path::{Path, PathBuf};
use run_make_support::{assert_dirs_are_equal, rfs, rustdoc};
#[derive(PartialEq)]
enum JsonOutput {
Yes,
No,
}
fn generate_docs(out_dir: &Path, json_output: JsonOutput) {
let mut rustdoc = rustdoc();
rustdoc.input("src/lib.rs").crate_name("foobar").crate_type("lib").out_dir(&out_dir);
if json_output == JsonOutput::Yes {
rustdoc.arg("-Zunstable-options").output_format("json");
}
rustdoc.run();
}
fn main() {
let out_dir = PathBuf::from("rustdoc");
let tmp_out_dir = PathBuf::from("tmp-rustdoc");
// Generate HTML docs.
generate_docs(&out_dir, JsonOutput::No);
// Copy first output for to check if it's exactly same after second compilation.
rfs::copy_dir_all(&out_dir, &tmp_out_dir);
// Generate html docs once again on same output.
generate_docs(&out_dir, JsonOutput::No);
// Generate json doc on the same output.
generate_docs(&out_dir, JsonOutput::Yes);
// Check if expected json file is generated.
assert!(out_dir.join("foobar.json").is_file());
// Copy first json output to check if it's exactly same after second compilation.
rfs::copy(out_dir.join("foobar.json"), tmp_out_dir.join("foobar.json"));
// Generate json doc on the same output.
generate_docs(&out_dir, JsonOutput::Yes);
// Check if all docs(including both json and html formats) are still the same after multiple
// compilations.
assert_dirs_are_equal(&out_dir, &tmp_out_dir);
}
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