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