fn consolidate_lib_test_main_specs()

in tools/rust_analyzer/aquery.rs [424:524]

• 95 lines of code
• 2 McCabe index (conditional complexity)

    fn consolidate_lib_test_main_specs() {
        // mylib.rs is a library but has tests and an entry point, and mylib2.rs
        // depends on mylib.rs. The display_name of the library target mylib.rs
        // should be "mylib" no matter what order the crate specs is in.
        // Otherwise Rust Analyzer will not be able to resolve references to
        // mylib in mylib2.rs.
        let crate_specs = vec![
            CrateSpec {
                crate_id: "ID-mylib.rs".into(),
                display_name: "mylib".into(),
                edition: "2018".into(),
                root_module: "mylib.rs".into(),
                is_workspace_member: true,
                deps: BTreeSet::new(),
                proc_macro_dylib_path: None,
                source: None,
                cfg: vec!["test".into(), "debug_assertions".into()],
                env: BTreeMap::new(),
                target: "x86_64-unknown-linux-gnu".into(),
                crate_type: "rlib".into(),
            },
            CrateSpec {
                crate_id: "ID-mylib.rs".into(),
                display_name: "mylib_test".into(),
                edition: "2018".into(),
                root_module: "mylib.rs".into(),
                is_workspace_member: true,
                deps: BTreeSet::new(),
                proc_macro_dylib_path: None,
                source: None,
                cfg: vec!["test".into(), "debug_assertions".into()],
                env: BTreeMap::new(),
                target: "x86_64-unknown-linux-gnu".into(),
                crate_type: "bin".into(),
            },
            CrateSpec {
                crate_id: "ID-mylib.rs".into(),
                display_name: "mylib_main".into(),
                edition: "2018".into(),
                root_module: "mylib.rs".into(),
                is_workspace_member: true,
                deps: BTreeSet::new(),
                proc_macro_dylib_path: None,
                source: None,
                cfg: vec!["test".into(), "debug_assertions".into()],
                env: BTreeMap::new(),
                target: "x86_64-unknown-linux-gnu".into(),
                crate_type: "bin".into(),
            },
            CrateSpec {
                crate_id: "ID-mylib2.rs".into(),
                display_name: "mylib2".into(),
                edition: "2018".into(),
                root_module: "mylib2.rs".into(),
                is_workspace_member: true,
                deps: BTreeSet::from(["ID-mylib.rs".into()]),
                proc_macro_dylib_path: None,
                source: None,
                cfg: vec!["test".into(), "debug_assertions".into()],
                env: BTreeMap::new(),
                target: "x86_64-unknown-linux-gnu".into(),
                crate_type: "rlib".into(),
            },
        ];

        for perm in crate_specs.into_iter().permutations(4) {
            assert_eq!(
                consolidate_crate_specs(perm).unwrap(),
                BTreeSet::from([
                    CrateSpec {
                        crate_id: "ID-mylib.rs".into(),
                        display_name: "mylib".into(),
                        edition: "2018".into(),
                        root_module: "mylib.rs".into(),
                        is_workspace_member: true,
                        deps: BTreeSet::from([]),
                        proc_macro_dylib_path: None,
                        source: None,
                        cfg: vec!["test".into(), "debug_assertions".into()],
                        env: BTreeMap::new(),
                        target: "x86_64-unknown-linux-gnu".into(),
                        crate_type: "rlib".into(),
                    },
                    CrateSpec {
                        crate_id: "ID-mylib2.rs".into(),
                        display_name: "mylib2".into(),
                        edition: "2018".into(),
                        root_module: "mylib2.rs".into(),
                        is_workspace_member: true,
                        deps: BTreeSet::from(["ID-mylib.rs".into()]),
                        proc_macro_dylib_path: None,
                        source: None,
                        cfg: vec!["test".into(), "debug_assertions".into()],
                        env: BTreeMap::new(),
                        target: "x86_64-unknown-linux-gnu".into(),
                        crate_type: "rlib".into(),
                    },
                ])
            );
        }
    }