fn consolidate_proc_macro_prefer_exec()

in tools/rust_analyzer/aquery.rs [527:589]

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

    fn consolidate_proc_macro_prefer_exec() {
        // proc macro crates should prefer the -opt-exec- path which is always generated
        // during builds where it is used, while the fastbuild version would only be built
        // when explicitly building that target.
        let crate_specs = vec![
            CrateSpec {
                crate_id: "ID-myproc_macro.rs".into(),
                display_name: "myproc_macro".into(),
                edition: "2018".into(),
                root_module: "myproc_macro.rs".into(),
                is_workspace_member: true,
                deps: BTreeSet::new(),
                proc_macro_dylib_path: Some(
                    "bazel-out/k8-opt-exec-F005BA11/bin/myproc_macro/libmyproc_macro-12345.so"
                        .into(),
                ),
                source: None,
                cfg: vec!["test".into(), "debug_assertions".into()],
                env: BTreeMap::new(),
                target: "x86_64-unknown-linux-gnu".into(),
                crate_type: "proc_macro".into(),
            },
            CrateSpec {
                crate_id: "ID-myproc_macro.rs".into(),
                display_name: "myproc_macro".into(),
                edition: "2018".into(),
                root_module: "myproc_macro.rs".into(),
                is_workspace_member: true,
                deps: BTreeSet::new(),
                proc_macro_dylib_path: Some(
                    "bazel-out/k8-fastbuild/bin/myproc_macro/libmyproc_macro-12345.so".into(),
                ),
                source: None,
                cfg: vec!["test".into(), "debug_assertions".into()],
                env: BTreeMap::new(),
                target: "x86_64-unknown-linux-gnu".into(),
                crate_type: "proc_macro".into(),
            },
        ];

        for perm in crate_specs.into_iter().permutations(2) {
            assert_eq!(
                consolidate_crate_specs(perm).unwrap(),
                BTreeSet::from([CrateSpec {
                    crate_id: "ID-myproc_macro.rs".into(),
                    display_name: "myproc_macro".into(),
                    edition: "2018".into(),
                    root_module: "myproc_macro.rs".into(),
                    is_workspace_member: true,
                    deps: BTreeSet::new(),
                    proc_macro_dylib_path: Some(
                        "bazel-out/k8-opt-exec-F005BA11/bin/myproc_macro/libmyproc_macro-12345.so"
                            .into()
                    ),
                    source: None,
                    cfg: vec!["test".into(), "debug_assertions".into()],
                    env: BTreeMap::new(),
                    target: "x86_64-unknown-linux-gnu".into(),
                    crate_type: "proc_macro".into(),
                },])
            );
        }
    }