mirror of
https://github.com/rust-lang/rust-analyzer.git
synced 2025-10-31 12:04:43 +00:00
281 lines
9.5 KiB
Rust
281 lines
9.5 KiB
Rust
use std::env::temp_dir;
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use base_db::{CrateGraphBuilder, ProcMacroPaths};
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use cargo_metadata::Metadata;
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use cfg::{CfgAtom, CfgDiff};
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use expect_test::{ExpectFile, expect_file};
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use intern::sym;
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use paths::{AbsPath, AbsPathBuf, Utf8Path, Utf8PathBuf};
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use rustc_hash::FxHashMap;
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use serde::de::DeserializeOwned;
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use span::FileId;
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use triomphe::Arc;
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use crate::{
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CargoWorkspace, CfgOverrides, ManifestPath, ProjectJson, ProjectJsonData, ProjectWorkspace,
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RustSourceWorkspaceConfig, Sysroot, WorkspaceBuildScripts, sysroot::RustLibSrcWorkspace,
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workspace::ProjectWorkspaceKind,
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};
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fn load_cargo(file: &str) -> (CrateGraphBuilder, ProcMacroPaths) {
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let project_workspace = load_workspace_from_metadata(file);
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to_crate_graph(project_workspace, &mut Default::default())
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}
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fn load_cargo_with_overrides(
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file: &str,
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cfg_overrides: CfgOverrides,
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) -> (CrateGraphBuilder, ProcMacroPaths) {
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let project_workspace =
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ProjectWorkspace { cfg_overrides, ..load_workspace_from_metadata(file) };
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to_crate_graph(project_workspace, &mut Default::default())
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}
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fn load_workspace_from_metadata(file: &str) -> ProjectWorkspace {
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let meta: Metadata = get_test_json_file(file);
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let manifest_path =
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ManifestPath::try_from(AbsPathBuf::try_from(meta.workspace_root.clone()).unwrap()).unwrap();
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let cargo_workspace = CargoWorkspace::new(meta, manifest_path, Default::default(), false);
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ProjectWorkspace {
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kind: ProjectWorkspaceKind::Cargo {
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cargo: cargo_workspace,
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build_scripts: WorkspaceBuildScripts::default(),
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rustc: Err(None),
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error: None,
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},
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cfg_overrides: Default::default(),
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sysroot: Sysroot::empty(),
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rustc_cfg: Vec::new(),
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toolchain: None,
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target_layout: Err("target_data_layout not loaded".into()),
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extra_includes: Vec::new(),
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set_test: true,
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}
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}
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fn load_rust_project(file: &str) -> (CrateGraphBuilder, ProcMacroPaths) {
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let data = get_test_json_file(file);
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let project = rooted_project_json(data);
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let sysroot = Sysroot::empty();
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let project_workspace = ProjectWorkspace {
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kind: ProjectWorkspaceKind::Json(project),
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sysroot,
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rustc_cfg: Vec::new(),
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toolchain: None,
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target_layout: Err(Arc::from("test has no data layout")),
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cfg_overrides: Default::default(),
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extra_includes: Vec::new(),
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set_test: true,
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};
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to_crate_graph(project_workspace, &mut Default::default())
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}
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fn get_test_json_file<T: DeserializeOwned>(file: &str) -> T {
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let file = get_test_path(file);
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let data = std::fs::read_to_string(file).unwrap();
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let mut json = data.parse::<serde_json::Value>().unwrap();
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fixup_paths(&mut json);
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return serde_json::from_value(json).unwrap();
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fn fixup_paths(val: &mut serde_json::Value) {
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match val {
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serde_json::Value::String(s) => replace_root(s, true),
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serde_json::Value::Array(vals) => vals.iter_mut().for_each(fixup_paths),
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serde_json::Value::Object(kvals) => kvals.values_mut().for_each(fixup_paths),
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serde_json::Value::Null | serde_json::Value::Bool(_) | serde_json::Value::Number(_) => {
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}
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}
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}
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}
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fn replace_cargo(s: &mut String) {
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let path = toolchain::Tool::Cargo.path().to_string().escape_debug().collect::<String>();
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*s = s.replace(&path, "$CARGO$");
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}
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fn replace_root(s: &mut String, direction: bool) {
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if direction {
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let root = if cfg!(windows) { r#"C:\\ROOT\"# } else { "/ROOT/" };
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*s = s.replace("$ROOT$", root)
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} else {
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let root = if cfg!(windows) { r#"C:\\\\ROOT\\"# } else { "/ROOT/" };
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*s = s.replace(root, "$ROOT$")
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}
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}
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fn get_test_path(file: &str) -> Utf8PathBuf {
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let base = Utf8PathBuf::from(env!("CARGO_MANIFEST_DIR"));
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base.join("test_data").join(file)
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}
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fn rooted_project_json(data: ProjectJsonData) -> ProjectJson {
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let mut root = "$ROOT$".to_owned();
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replace_root(&mut root, true);
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let path = Utf8Path::new(&root);
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let base = AbsPath::assert(path);
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ProjectJson::new(None, base, data)
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}
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fn to_crate_graph(
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project_workspace: ProjectWorkspace,
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file_map: &mut FxHashMap<AbsPathBuf, FileId>,
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) -> (CrateGraphBuilder, ProcMacroPaths) {
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project_workspace.to_crate_graph(
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&mut {
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|path| {
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let len = file_map.len() + 1;
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Some(*file_map.entry(path.to_path_buf()).or_insert(FileId::from_raw(len as u32)))
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}
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},
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&Default::default(),
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)
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}
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fn check_crate_graph(crate_graph: CrateGraphBuilder, expect: ExpectFile) {
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let mut crate_graph = format!("{crate_graph:#?}");
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replace_root(&mut crate_graph, false);
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replace_cargo(&mut crate_graph);
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expect.assert_eq(&crate_graph);
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}
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#[test]
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fn cargo_hello_world_project_model_with_wildcard_overrides() {
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let cfg_overrides = CfgOverrides {
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global: CfgDiff::new(Vec::new(), vec![CfgAtom::Flag(sym::test)]),
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selective: Default::default(),
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};
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let (crate_graph, _proc_macros) =
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load_cargo_with_overrides("hello-world-metadata.json", cfg_overrides);
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check_crate_graph(
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crate_graph,
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expect_file![
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"../test_data/output/cargo_hello_world_project_model_with_wildcard_overrides.txt"
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],
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)
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}
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#[test]
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fn cargo_hello_world_project_model_with_selective_overrides() {
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let cfg_overrides = CfgOverrides {
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global: Default::default(),
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selective: std::iter::once((
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"libc".to_owned(),
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CfgDiff::new(Vec::new(), vec![CfgAtom::Flag(sym::test)]),
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))
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.collect(),
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};
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let (crate_graph, _proc_macros) =
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load_cargo_with_overrides("hello-world-metadata.json", cfg_overrides);
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check_crate_graph(
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crate_graph,
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expect_file![
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"../test_data/output/cargo_hello_world_project_model_with_selective_overrides.txt"
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],
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)
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}
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#[test]
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fn cargo_hello_world_project_model() {
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let (crate_graph, _proc_macros) = load_cargo("hello-world-metadata.json");
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check_crate_graph(
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crate_graph,
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expect_file!["../test_data/output/cargo_hello_world_project_model.txt"],
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)
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}
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#[test]
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fn rust_project_hello_world_project_model() {
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let (crate_graph, _proc_macros) = load_rust_project("hello-world-project.json");
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check_crate_graph(
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crate_graph,
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expect_file!["../test_data/output/rust_project_hello_world_project_model.txt"],
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);
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}
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#[test]
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fn rust_project_cfg_groups() {
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let (crate_graph, _proc_macros) = load_rust_project("cfg-groups.json");
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check_crate_graph(crate_graph, expect_file!["../test_data/output/rust_project_cfg_groups.txt"]);
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}
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#[test]
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fn crate_graph_dedup_identical() {
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let (mut crate_graph, proc_macros) = load_cargo("regex-metadata.json");
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let (d_crate_graph, mut d_proc_macros) = (crate_graph.clone(), proc_macros.clone());
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crate_graph.extend(d_crate_graph.clone(), &mut d_proc_macros);
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assert!(crate_graph.iter().eq(d_crate_graph.iter()));
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assert_eq!(proc_macros, d_proc_macros);
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}
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#[test]
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fn crate_graph_dedup() {
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let mut file_map = Default::default();
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let ripgrep_workspace = load_workspace_from_metadata("ripgrep-metadata.json");
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let (mut crate_graph, _proc_macros) = to_crate_graph(ripgrep_workspace, &mut file_map);
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assert_eq!(crate_graph.iter().count(), 71);
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let regex_workspace = load_workspace_from_metadata("regex-metadata.json");
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let (regex_crate_graph, mut regex_proc_macros) = to_crate_graph(regex_workspace, &mut file_map);
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assert_eq!(regex_crate_graph.iter().count(), 50);
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crate_graph.extend(regex_crate_graph, &mut regex_proc_macros);
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assert_eq!(crate_graph.iter().count(), 108);
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}
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#[test]
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fn smoke_test_real_sysroot_cargo() {
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let file_map = &mut FxHashMap::<AbsPathBuf, FileId>::default();
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let meta: Metadata = get_test_json_file("hello-world-metadata.json");
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let manifest_path =
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ManifestPath::try_from(AbsPathBuf::try_from(meta.workspace_root.clone()).unwrap()).unwrap();
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let cargo_workspace = CargoWorkspace::new(meta, manifest_path, Default::default(), false);
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let mut sysroot = Sysroot::discover(
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AbsPath::assert(Utf8Path::new(env!("CARGO_MANIFEST_DIR"))),
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&Default::default(),
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);
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let cwd = AbsPathBuf::assert_utf8(temp_dir().join("smoke_test_real_sysroot_cargo"));
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std::fs::create_dir_all(&cwd).unwrap();
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let loaded_sysroot = sysroot.load_workspace(
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&RustSourceWorkspaceConfig::default_cargo(),
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false,
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&cwd,
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&Utf8PathBuf::default(),
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&|_| (),
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);
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if let Some(loaded_sysroot) = loaded_sysroot {
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sysroot.set_workspace(loaded_sysroot);
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}
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assert!(
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matches!(sysroot.workspace(), RustLibSrcWorkspace::Workspace(_)),
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"got {}",
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sysroot.workspace()
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);
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let project_workspace = ProjectWorkspace {
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kind: ProjectWorkspaceKind::Cargo {
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cargo: cargo_workspace,
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build_scripts: WorkspaceBuildScripts::default(),
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rustc: Err(None),
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error: None,
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},
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sysroot,
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rustc_cfg: Vec::new(),
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cfg_overrides: Default::default(),
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toolchain: None,
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target_layout: Err("target_data_layout not loaded".into()),
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extra_includes: Vec::new(),
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set_test: true,
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};
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project_workspace.to_crate_graph(
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&mut {
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|path| {
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let len = file_map.len();
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Some(*file_map.entry(path.to_path_buf()).or_insert(FileId::from_raw(len as u32)))
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}
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},
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&Default::default(),
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);
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}
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