test/rust_analyzer/static_and_shared_lib_test/rust_project_json_test.rs

#[cfg(test)]
mod tests {
    use std::env;
    use std::path::PathBuf;

    #[test]
    fn test_deps_of_crate_and_its_test_are_merged() {
        let rust_project_path = PathBuf::from(env::var("RUST_PROJECT_JSON").unwrap());

        let content = std::fs::read_to_string(&rust_project_path)
            .unwrap_or_else(|_| panic!("couldn't open {:?}", &rust_project_path));

        assert!(
            content.contains(r#"{"display_name":"greeter_cdylib","root_module":"shared_lib.rs"#),
            "expected rust-project.json to contain a rust_shared_library target."
        );
        assert!(
            content.contains(r#"{"display_name":"greeter_staticlib","root_module":"static_lib.rs"#),
            "expected rust-project.json to contain a rust_static_library target."
        );
    }
}