rust/tests/run-make/rustdoc-map-file/rmake.rs

55 lines
1.8 KiB
Rust

// This test ensures that all items from `foo` are correctly generated into the `redirect-map.json`
// file with `--generate-redirect-map` rustdoc option.
use std::path::Path;
use run_make_support::rfs::read_to_string;
use run_make_support::{path, rustdoc, serde_json};
fn main() {
let out_dir = "out";
let crate_name = "foo";
rustdoc()
.input("foo.rs")
.crate_name(crate_name)
.arg("-Zunstable-options")
.arg("--generate-redirect-map")
.out_dir(&out_dir)
.run();
let generated = read_to_string(path(out_dir).join(crate_name).join("redirect-map.json"));
let expected = read_to_string("expected.json");
let generated: serde_json::Value =
serde_json::from_str(&generated).expect("failed to parse JSON");
let expected: serde_json::Value =
serde_json::from_str(&expected).expect("failed to parse JSON");
let expected = expected.as_object().unwrap();
let mut differences = Vec::new();
for (key, expected_value) in expected.iter() {
match generated.get(key) {
Some(value) => {
if expected_value != value {
differences.push(format!(
"values for key `{key}` don't match: `{expected_value:?}` != `{value:?}`"
));
}
}
None => differences.push(format!("missing key `{key}`")),
}
}
for (key, data) in generated.as_object().unwrap().iter() {
if !expected.contains_key(key) {
differences.push(format!("Extra data not expected: key: `{key}`, data: `{data}`"));
}
}
if !differences.is_empty() {
eprintln!("Found differences in JSON files:");
for diff in differences {
eprintln!("=> {diff}");
}
panic!("Found differences in JSON files");
}
}