Provide an config option to not set cfg(test)

crates/load-cargo/src/lib.rs

@@ -30,6 +30,7 @@ pub struct LoadCargoConfig {
     pub load_out_dirs_from_check: bool,
     pub with_proc_macro_server: ProcMacroServerChoice,
     pub prefill_caches: bool,
+    pub set_test: bool,
 }
 
 #[derive(Debug, Clone, PartialEq, Eq)]
@@ -99,6 +100,7 @@ pub fn load_workspace(
             vfs.file_id(&path)
         },
         extra_env,
+        load_config.set_test,
     );
     let proc_macros = {
         let proc_macro_server = match &proc_macro_server {
@@ -531,6 +533,7 @@ mod tests {
             load_out_dirs_from_check: false,
             with_proc_macro_server: ProcMacroServerChoice::None,
             prefill_caches: false,
+            set_test: true,
         };
         let (db, _vfs, _proc_macro) =
             load_workspace_at(path, &cargo_config, &load_cargo_config, &|_| {}).unwrap();

crates/project-model/src/tests.rs

@@ -136,6 +136,7 @@ fn to_crate_graph(project_workspace: ProjectWorkspace) -> (CrateGraph, ProcMacro
             }
         },
         &Default::default(),
+        true,
     )
 }
 
@@ -257,5 +258,6 @@ fn smoke_test_real_sysroot_cargo() {
             }
         },
         &Default::default(),
+        true,
     );
 }

crates/project-model/src/workspace.rs

@@ -728,6 +728,7 @@ impl ProjectWorkspace {
         &self,
         load: FileLoader<'_>,
         extra_env: &FxHashMap<String, String>,
+        set_test: bool,
     ) -> (CrateGraph, ProcMacroPaths) {
         let _p = tracing::info_span!("ProjectWorkspace::to_crate_graph").entered();
 
@@ -741,6 +742,7 @@ impl ProjectWorkspace {
                     sysroot,
                     extra_env,
                     cfg_overrides,
+                    set_test,
                 ),
                 sysroot,
             ),
@@ -759,6 +761,7 @@ impl ProjectWorkspace {
                     rustc_cfg.clone(),
                     cfg_overrides,
                     build_scripts,
+                    set_test,
                 ),
                 sysroot,
             ),
@@ -772,6 +775,7 @@ impl ProjectWorkspace {
                         rustc_cfg.clone(),
                         cfg_overrides,
                         build_scripts,
+                        set_test,
                     )
                 } else {
                     detached_file_to_crate_graph(
@@ -780,6 +784,7 @@ impl ProjectWorkspace {
                         file,
                         sysroot,
                         cfg_overrides,
+                        set_test,
                     )
                 },
                 sysroot,
@@ -870,11 +875,12 @@ fn project_json_to_crate_graph(
     sysroot: &Sysroot,
     extra_env: &FxHashMap<String, String>,
     override_cfg: &CfgOverrides,
+    set_test: bool,
 ) -> (CrateGraph, ProcMacroPaths) {
     let mut res = (CrateGraph::default(), ProcMacroPaths::default());
     let (crate_graph, proc_macros) = &mut res;
     let (public_deps, libproc_macro) =
-        sysroot_to_crate_graph(crate_graph, sysroot, rustc_cfg.clone(), load);
+        sysroot_to_crate_graph(crate_graph, sysroot, rustc_cfg.clone(), load, set_test);
 
     let r_a_cfg_flag = CfgAtom::Flag(sym::rust_analyzer.clone());
     let mut cfg_cache: FxHashMap<&str, Vec<CfgAtom>> = FxHashMap::default();
@@ -987,13 +993,14 @@ fn cargo_to_crate_graph(
     rustc_cfg: Vec<CfgAtom>,
     override_cfg: &CfgOverrides,
     build_scripts: &WorkspaceBuildScripts,
+    set_test: bool,
 ) -> (CrateGraph, ProcMacroPaths) {
     let _p = tracing::info_span!("cargo_to_crate_graph").entered();
     let mut res = (CrateGraph::default(), ProcMacroPaths::default());
     let crate_graph = &mut res.0;
     let proc_macros = &mut res.1;
     let (public_deps, libproc_macro) =
-        sysroot_to_crate_graph(crate_graph, sysroot, rustc_cfg.clone(), load);
+        sysroot_to_crate_graph(crate_graph, sysroot, rustc_cfg.clone(), load, set_test);
 
     let cfg_options = CfgOptions::from_iter(rustc_cfg);
 
@@ -1011,8 +1018,10 @@ fn cargo_to_crate_graph(
             let mut cfg_options = cfg_options.clone();
 
             if cargo[pkg].is_local {
+                if set_test {
                     // Add test cfg for local crates
                     cfg_options.insert_atom(sym::test.clone());
+                }
                 cfg_options.insert_atom(sym::rust_analyzer.clone());
             }
 
@@ -1173,14 +1182,17 @@ fn detached_file_to_crate_graph(
     detached_file: &ManifestPath,
     sysroot: &Sysroot,
     override_cfg: &CfgOverrides,
+    set_test: bool,
 ) -> (CrateGraph, ProcMacroPaths) {
     let _p = tracing::info_span!("detached_file_to_crate_graph").entered();
     let mut crate_graph = CrateGraph::default();
     let (public_deps, _libproc_macro) =
-        sysroot_to_crate_graph(&mut crate_graph, sysroot, rustc_cfg.clone(), load);
+        sysroot_to_crate_graph(&mut crate_graph, sysroot, rustc_cfg.clone(), load, set_test);
 
     let mut cfg_options = CfgOptions::from_iter(rustc_cfg);
+    if set_test {
         cfg_options.insert_atom(sym::test.clone());
+    }
     cfg_options.insert_atom(sym::rust_analyzer.clone());
     override_cfg.apply(&mut cfg_options, "");
     let cfg_options = Arc::new(cfg_options);
@@ -1404,6 +1416,7 @@ fn sysroot_to_crate_graph(
     sysroot: &Sysroot,
     rustc_cfg: Vec<CfgAtom>,
     load: FileLoader<'_>,
+    set_test: bool,
 ) -> (SysrootPublicDeps, Option<CrateId>) {
     let _p = tracing::info_span!("sysroot_to_crate_graph").entered();
     match sysroot.mode() {
@@ -1426,6 +1439,7 @@ fn sysroot_to_crate_graph(
                     ..Default::default()
                 },
                 &WorkspaceBuildScripts::default(),
+                set_test,
             );
 
             let mut pub_deps = vec![];

crates/rust-analyzer/src/cli/analysis_stats.rs

@@ -84,6 +84,7 @@ impl flags::AnalysisStats {
                 ProcMacroServerChoice::Sysroot
             },
             prefill_caches: false,
+            set_test: true,
         };
 
         let build_scripts_time = if self.disable_build_scripts {

crates/rust-analyzer/src/cli/diagnostics.rs

@@ -39,6 +39,8 @@ impl flags::Diagnostics {
             load_out_dirs_from_check: !self.disable_build_scripts,
             with_proc_macro_server,
             prefill_caches: false,
+            // We don't pass `--all-targets` so we also set `cfg(test)` to false.
+            set_test: false,
         };
         let (db, _vfs, _proc_macro) =
             load_workspace_at(&self.path, &cargo_config, &load_cargo_config, &|_| {})?;

crates/rust-analyzer/src/cli/lsif.rs

@@ -284,6 +284,7 @@ impl flags::Lsif {
             load_out_dirs_from_check: true,
             with_proc_macro_server: ProcMacroServerChoice::Sysroot,
             prefill_caches: false,
+            set_test: true,
         };
         let path = AbsPathBuf::assert_utf8(env::current_dir()?.join(self.path));
         let root = ProjectManifest::discover_single(&path)?;

crates/rust-analyzer/src/cli/run_tests.rs

@@ -22,6 +22,7 @@ impl flags::RunTests {
             load_out_dirs_from_check: true,
             with_proc_macro_server: ProcMacroServerChoice::Sysroot,
             prefill_caches: false,
+            set_test: true,
         };
         let (ref db, _vfs, _proc_macro) =
             load_workspace_at(&self.path, &cargo_config, &load_cargo_config, &|_| {})?;

crates/rust-analyzer/src/cli/rustc_tests.rs

@@ -96,6 +96,7 @@ impl Tester {
             load_out_dirs_from_check: false,
             with_proc_macro_server: ProcMacroServerChoice::Sysroot,
             prefill_caches: false,
+            set_test: true,
         };
         let (db, _vfs, _proc_macro) =
             load_workspace(workspace, &cargo_config.extra_env, &load_cargo_config)?;

crates/rust-analyzer/src/cli/scip.rs

@@ -24,11 +24,6 @@ impl flags::Scip {
         let now = Instant::now();
 
         let no_progress = &|s| (eprintln!("rust-analyzer: Loading {s}"));
-        let load_cargo_config = LoadCargoConfig {
-            load_out_dirs_from_check: true,
-            with_proc_macro_server: ProcMacroServerChoice::Sysroot,
-            prefill_caches: true,
-        };
         let root =
             vfs::AbsPathBuf::assert_utf8(std::env::current_dir()?.join(&self.path)).normalize();
 
@@ -51,6 +46,12 @@ impl flags::Scip {
             // FIXME @alibektas : What happens to errors without logging?
             error!(?error_sink, "Config Error(s)");
         }
+        let load_cargo_config = LoadCargoConfig {
+            load_out_dirs_from_check: true,
+            with_proc_macro_server: ProcMacroServerChoice::Sysroot,
+            prefill_caches: true,
+            set_test: config.cfg_set_test(None),
+        };
         let cargo_config = config.cargo(None);
         let (db, vfs, _) = load_workspace_at(
             root.as_path().as_ref(),

crates/rust-analyzer/src/cli/ssr.rs

@@ -19,6 +19,7 @@ impl flags::Ssr {
             load_out_dirs_from_check: true,
             with_proc_macro_server: ProcMacroServerChoice::Sysroot,
             prefill_caches: false,
+            set_test: true,
         };
         let (ref db, vfs, _proc_macro) = load_workspace_at(
             &std::env::current_dir()?,
@@ -50,11 +51,12 @@ impl flags::Search {
     pub fn run(self) -> anyhow::Result<()> {
         use ide_db::base_db::SourceRootDatabase;
         use ide_db::symbol_index::SymbolsDatabase;
-        let cargo_config = CargoConfig::default();
+        let cargo_config = CargoConfig { all_targets: true, ..CargoConfig::default() };
         let load_cargo_config = LoadCargoConfig {
             load_out_dirs_from_check: true,
             with_proc_macro_server: ProcMacroServerChoice::Sysroot,
             prefill_caches: false,
+            set_test: true,
         };
         let (ref db, _vfs, _proc_macro) = load_workspace_at(
             &std::env::current_dir()?,

crates/rust-analyzer/src/config.rs

@@ -574,6 +574,9 @@ config_data! {
         /// set to a path relative to the workspace to use that path.
         cargo_targetDir | rust_analyzerTargetDir: Option<TargetDirectory> = None,
 
+        /// Set `cfg(test)` for local crates. Defaults to true.
+        cfg_setTest: bool = true,
+
         /// Run the check command for diagnostics on save.
         checkOnSave | checkOnSave_enable: bool                         = true,
 
@@ -695,7 +698,6 @@ config_data! {
         workspace_symbol_search_limit: usize = 128,
         /// Workspace symbol search scope.
         workspace_symbol_search_scope: WorkspaceSymbolSearchScopeDef = WorkspaceSymbolSearchScopeDef::Workspace,
-
     }
 }
 

crates/rust-analyzer/src/integrated_benchmarks.rs

@@ -36,12 +36,14 @@ fn integrated_highlighting_benchmark() {
 
     let cargo_config = CargoConfig {
         sysroot: Some(project_model::RustLibSource::Discover),
+        all_targets: true,
         ..CargoConfig::default()
     };
     let load_cargo_config = LoadCargoConfig {
         load_out_dirs_from_check: true,
         with_proc_macro_server: ProcMacroServerChoice::Sysroot,
         prefill_caches: false,
+        set_test: true,
     };
 
     let (db, vfs, _proc_macro) = {
@@ -102,12 +104,14 @@ fn integrated_completion_benchmark() {
 
     let cargo_config = CargoConfig {
         sysroot: Some(project_model::RustLibSource::Discover),
+        all_targets: true,
         ..CargoConfig::default()
     };
     let load_cargo_config = LoadCargoConfig {
         load_out_dirs_from_check: true,
         with_proc_macro_server: ProcMacroServerChoice::Sysroot,
         prefill_caches: true,
+        set_test: true,
     };
 
     let (db, vfs, _proc_macro) = {
@@ -279,12 +283,14 @@ fn integrated_diagnostics_benchmark() {
 
     let cargo_config = CargoConfig {
         sysroot: Some(project_model::RustLibSource::Discover),
+        all_targets: true,
         ..CargoConfig::default()
     };
     let load_cargo_config = LoadCargoConfig {
         load_out_dirs_from_check: true,
         with_proc_macro_server: ProcMacroServerChoice::Sysroot,
         prefill_caches: true,
+        set_test: true,
     };
 
     let (db, vfs, _proc_macro) = {

crates/rust-analyzer/src/reload.rs

@@ -703,7 +703,12 @@ impl GlobalState {
                 vfs.file_id(&vfs_path)
             };
 
-            ws_to_crate_graph(&self.workspaces, self.config.extra_env(None), load)
+            ws_to_crate_graph(
+                &self.workspaces,
+                self.config.extra_env(None),
+                load,
+                self.config.cfg_set_test(None),
+            )
         };
         let mut change = ChangeWithProcMacros::new();
         if self.config.expand_proc_macros() {
@@ -856,12 +861,13 @@ pub fn ws_to_crate_graph(
     workspaces: &[ProjectWorkspace],
     extra_env: &FxHashMap<String, String>,
     mut load: impl FnMut(&AbsPath) -> Option<vfs::FileId>,
+    set_test: bool,
 ) -> (CrateGraph, Vec<ProcMacroPaths>, FxHashMap<CrateId, Arc<CrateWorkspaceData>>) {
     let mut crate_graph = CrateGraph::default();
     let mut proc_macro_paths = Vec::default();
     let mut ws_data = FxHashMap::default();
     for ws in workspaces {
-        let (other, mut crate_proc_macros) = ws.to_crate_graph(&mut load, extra_env);
+        let (other, mut crate_proc_macros) = ws.to_crate_graph(&mut load, extra_env, set_test);
         let ProjectWorkspace { toolchain, target_layout, .. } = ws;
 
         let mapping = crate_graph.extend(other, &mut crate_proc_macros);

docs/user/generated_config.adoc

@@ -158,6 +158,11 @@ building from locking the `Cargo.lock` at the expense of duplicating build artif
 Set to `true` to use a subdirectory of the existing target directory or
 set to a path relative to the workspace to use that path.
 --
+[[rust-analyzer.cfg.setTest]]rust-analyzer.cfg.setTest (default: `true`)::
++
+--
+Set `cfg(test)` for local crates. Defaults to true.
+--
 [[rust-analyzer.checkOnSave]]rust-analyzer.checkOnSave (default: `true`)::
 +
 --

editors/code/package.json

@@ -853,6 +853,16 @@
                     }
                 }
             },
+            {
+                "title": "cfg",
+                "properties": {
+                    "rust-analyzer.cfg.setTest": {
+                        "markdownDescription": "Set `cfg(test)` for local crates. Defaults to true.",
+                        "default": true,
+                        "type": "boolean"
+                    }
+                }
+            },
             {
                 "title": "general",
                 "properties": {

editors/code/src/config.ts

@@ -24,6 +24,7 @@ export class Config {
         "serverPath",
         "server",
         "files",
+        "cfg",
     ].map((opt) => `${this.rootSection}.${opt}`);
 
     private readonly requiresWindowReloadOpts = ["testExplorer"].map(