mirror of https://github.com/rust-lang/rust
37 lines
1.2 KiB
Rust
37 lines
1.2 KiB
Rust
// This test verifies that rustdoc `-o -` prints JSON on stdout and doesn't generate
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// a JSON file.
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use std::path::PathBuf;
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use run_make_support::path_helpers::{cwd, has_extension, read_dir_entries_recursive};
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use run_make_support::{rustdoc, serde_json};
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fn main() {
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let json_string = rustdoc()
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.input("foo.rs")
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.out_dir("-")
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.arg("-Zunstable-options")
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.output_format("json")
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.run()
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.stdout_utf8();
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// First we check that we generate the JSON in the stdout.
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let json_value: serde_json::Value =
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serde_json::from_str(&json_string).expect("stdout should be valid json");
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// We don't care to test the specifics of the JSON, as that's done
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// elsewhere, just check that it has a format_version (as all JSON output
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// should).
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let format_version = json_value["format_version"]
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.as_i64()
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.expect("json output should contain format_version field");
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assert!(format_version > 30);
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// Then we check it didn't generate any JSON file.
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read_dir_entries_recursive(cwd(), |path| {
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if path.is_file() && has_extension(path, "json") {
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panic!("Found a JSON file {path:?}");
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}
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});
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}
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