Remove cross-crate marks

They create quite a bit of friction. Really, we should just move the
tests to the same crate, rather than paper over existing split.

Author: matklad

crates/ra_ide/src/goto_definition.rs

@@ -93,7 +93,7 @@ pub(crate) fn reference_definition(
 
 #[cfg(test)]
 mod tests {
-    use test_utils::{assert_eq_text, covers};
+    use test_utils::assert_eq_text;
 
     use crate::mock_analysis::analysis_and_position;
 
@@ -208,7 +208,6 @@ mod tests {
 
     #[test]
     fn goto_def_for_macros() {
-        covers!(ra_ide_db::goto_def_for_macros);
         check_goto(
             "
             //- /lib.rs
@@ -225,7 +224,6 @@ mod tests {
 
     #[test]
     fn goto_def_for_macros_from_other_crates() {
-        covers!(ra_ide_db::goto_def_for_macros);
         check_goto(
             "
             //- /lib.rs
@@ -245,7 +243,6 @@ mod tests {
 
     #[test]
     fn goto_def_for_use_alias() {
-        covers!(ra_ide_db::goto_def_for_use_alias);
         check_goto(
             "
             //- /lib.rs
@@ -370,7 +367,6 @@ mod tests {
 
     #[test]
     fn goto_def_for_methods() {
-        covers!(ra_ide_db::goto_def_for_methods);
         check_goto(
             "
             //- /lib.rs
@@ -390,7 +386,6 @@ mod tests {
 
     #[test]
     fn goto_def_for_fields() {
-        covers!(ra_ide_db::goto_def_for_fields);
         check_goto(
             r"
             //- /lib.rs
@@ -409,7 +404,6 @@ mod tests {
 
     #[test]
     fn goto_def_for_record_fields() {
-        covers!(ra_ide_db::goto_def_for_record_fields);
         check_goto(
             r"
             //- /lib.rs
@@ -430,7 +424,6 @@ mod tests {
 
     #[test]
     fn goto_def_for_record_pat_fields() {
-        covers!(ra_ide_db::goto_def_for_record_field_pats);
         check_goto(
             r"
             //- /lib.rs
@@ -873,7 +866,6 @@ mod tests {
 
     #[test]
     fn goto_def_for_field_init_shorthand() {
-        covers!(ra_ide_db::goto_def_for_field_init_shorthand);
         check_goto(
             "
             //- /lib.rs

crates/ra_ide/src/references.rs

@@ -190,8 +190,6 @@ fn get_struct_def_name_for_struct_literal_search(
 
 #[cfg(test)]
 mod tests {
-    use test_utils::covers;
-
     use crate::{
         mock_analysis::{analysis_and_position, single_file_with_position, MockAnalysis},
         Declaration, Reference, ReferenceSearchResult, SearchScope,
@@ -301,7 +299,6 @@ mod tests {
 
     #[test]
     fn search_filters_by_range() {
-        covers!(ra_ide_db::search_filters_by_range);
         let code = r#"
             fn foo() {
                 let spam<|> = 92;

crates/ra_ide_db/src/defs.rs

@@ -14,7 +14,6 @@ use ra_syntax::{
     ast::{self, AstNode},
     match_ast,
 };
-use test_utils::tested_by;
 
 use crate::RootDatabase;
 
@@ -118,7 +117,6 @@ fn classify_name_inner(sema: &Semantics<RootDatabase>, name: &ast::Name) -> Opti
     match_ast! {
         match parent {
             ast::Alias(it) => {
-                tested_by!(goto_def_for_use_alias; force);
                 let use_tree = it.syntax().parent().and_then(ast::UseTree::cast)?;
                 let path = use_tree.path()?;
                 let path_segment = path.segment()?;
@@ -203,6 +201,8 @@ impl NameRefClass {
     }
 }
 
+// Note: we don't have unit-tests for this rather important function.
+// It is primarily exercised via goto definition tests in `ra_ide`.
 pub fn classify_name_ref(
     sema: &Semantics<RootDatabase>,
     name_ref: &ast::NameRef,
@@ -212,22 +212,18 @@ pub fn classify_name_ref(
     let parent = name_ref.syntax().parent()?;
 
     if let Some(method_call) = ast::MethodCallExpr::cast(parent.clone()) {
-        tested_by!(goto_def_for_methods; force);
         if let Some(func) = sema.resolve_method_call(&method_call) {
             return Some(NameRefClass::Definition(Definition::ModuleDef(func.into())));
         }
     }
 
     if let Some(field_expr) = ast::FieldExpr::cast(parent.clone()) {
-        tested_by!(goto_def_for_fields; force);
         if let Some(field) = sema.resolve_field(&field_expr) {
             return Some(NameRefClass::Definition(Definition::Field(field)));
         }
     }
 
     if let Some(record_field) = ast::RecordField::for_field_name(name_ref) {
-        tested_by!(goto_def_for_record_fields; force);
-        tested_by!(goto_def_for_field_init_shorthand; force);
         if let Some((field, local)) = sema.resolve_record_field(&record_field) {
             let field = Definition::Field(field);
             let res = match local {
@@ -239,15 +235,13 @@ pub fn classify_name_ref(
     }
 
     if let Some(record_field_pat) = ast::RecordFieldPat::cast(parent.clone()) {
-        tested_by!(goto_def_for_record_field_pats; force);
         if let Some(field) = sema.resolve_record_field_pat(&record_field_pat) {
             let field = Definition::Field(field);
             return Some(NameRefClass::Definition(field));
         }
     }
 
     if let Some(macro_call) = parent.ancestors().find_map(ast::MacroCall::cast) {
-        tested_by!(goto_def_for_macros; force);
         if let Some(macro_def) = sema.resolve_macro_call(&macro_call) {
             return Some(NameRefClass::Definition(Definition::Macro(macro_def)));
         }

crates/ra_ide_db/src/lib.rs

@@ -2,7 +2,6 @@
 //!
 //! It is mainly a `HirDatabase` for semantic analysis, plus a `SymbolsDatabase`, for fuzzy search.
 
-pub mod marks;
 pub mod line_index;
 pub mod line_index_utils;
 pub mod symbol_index;

crates/ra_ide_db/src/marks.rs

@@ -12,7 +12,6 @@ use ra_db::{FileId, FileRange, SourceDatabaseExt};
 use ra_prof::profile;
 use ra_syntax::{ast, match_ast, AstNode, TextRange, TextSize};
 use rustc_hash::FxHashMap;
-use test_utils::tested_by;
 
 use crate::{
     defs::{classify_name_ref, Definition, NameRefClass},
@@ -209,7 +208,6 @@ impl Definition {
             for (idx, _) in text.match_indices(pat) {
                 let offset: TextSize = idx.try_into().unwrap();
                 if !search_range.contains_inclusive(offset) {
-                    tested_by!(search_filters_by_range; force);
                     continue;
                 }
 

crates/ra_ide_db/src/search.rs

@@ -30,12 +30,6 @@ use std::sync::atomic::{AtomicUsize, Ordering};
 
 #[macro_export]
 macro_rules! tested_by {
-    ($ident:ident; force) => {{
-        {
-            // sic! use call-site crate
-            crate::marks::$ident.fetch_add(1, std::sync::atomic::Ordering::SeqCst);
-        }
-    }};
     ($ident:ident) => {{
         #[cfg(test)]
         {
@@ -49,10 +43,7 @@ macro_rules! tested_by {
 macro_rules! covers {
     // sic! use call-site crate
     ($ident:ident) => {
-        $crate::covers!(crate::$ident)
-    };
-    ($krate:ident :: $ident:ident) => {
-        let _checker = $crate::marks::MarkChecker::new(&$krate::marks::$ident);
+        let _checker = $crate::marks::MarkChecker::new(&crate::marks::$ident);
     };
 }