use itertools::Itertools; use ra_syntax::{ TextRange, SyntaxNode, ast::{self, AstNode, NameOwner, ModuleItemOwner, AttrsOwner}, }; use ra_db::SourceDatabase; use crate::{db::RootDatabase, FileId}; #[derive(Debug)] pub struct Runnable { pub range: TextRange, pub kind: RunnableKind, } #[derive(Debug)] pub enum RunnableKind { Test { name: String }, TestMod { path: String }, Bench { name: String }, Bin, } pub(crate) fn runnables(db: &RootDatabase, file_id: FileId) -> Vec<Runnable> { let source_file = db.parse(file_id).tree; source_file.syntax().descendants().filter_map(|i| runnable(db, file_id, i)).collect() } fn runnable(db: &RootDatabase, file_id: FileId, item: &SyntaxNode) -> Option<Runnable> { if let Some(fn_def) = ast::FnDef::cast(item) { runnable_fn(fn_def) } else if let Some(m) = ast::Module::cast(item) { runnable_mod(db, file_id, m) } else { None } } fn runnable_fn(fn_def: &ast::FnDef) -> Option<Runnable> { let name = fn_def.name()?.text(); let kind = if name == "main" { RunnableKind::Bin } else if fn_def.has_atom_attr("test") { RunnableKind::Test { name: name.to_string() } } else if fn_def.has_atom_attr("bench") { RunnableKind::Bench { name: name.to_string() } } else { return None; }; Some(Runnable { range: fn_def.syntax().range(), kind }) } fn runnable_mod(db: &RootDatabase, file_id: FileId, module: &ast::Module) -> Option<Runnable> { let has_test_function = module .item_list()? .items() .filter_map(|it| match it.kind() { ast::ModuleItemKind::FnDef(it) => Some(it), _ => None, }) .any(|f| f.has_atom_attr("test")); if !has_test_function { return None; } let range = module.syntax().range(); let module = hir::source_binder::module_from_child_node(db, file_id, module.syntax())?; let path = module.path_to_root(db).into_iter().rev().filter_map(|it| it.name(db)).join("::"); Some(Runnable { range, kind: RunnableKind::TestMod { path } }) } #[cfg(test)] mod tests { use insta::assert_debug_snapshot_matches; use crate::mock_analysis::analysis_and_position; #[test] fn test_runnables() { let (analysis, pos) = analysis_and_position( r#" //- /lib.rs <|> //empty fn main() {} #[test] fn test_foo() {} #[test] #[ignore] fn test_foo() {} "#, ); let runnables = analysis.runnables(pos.file_id).unwrap(); assert_debug_snapshot_matches!("runnables", &runnables) } #[test] fn test_runnables_module() { let (analysis, pos) = analysis_and_position( r#" //- /lib.rs <|> //empty mod test_mod { #[test] fn test_foo1() {} } "#, ); let runnables = analysis.runnables(pos.file_id).unwrap(); assert_debug_snapshot_matches!("runnables_module", &runnables) } #[test] fn test_runnables_one_depth_layer_module() { let (analysis, pos) = analysis_and_position( r#" //- /lib.rs <|> //empty mod foo { mod test_mod { #[test] fn test_foo1() {} } } "#, ); let runnables = analysis.runnables(pos.file_id).unwrap(); assert_debug_snapshot_matches!("runnables_one_depth_layer_module", &runnables) } #[test] fn test_runnables_multiple_depth_module() { let (analysis, pos) = analysis_and_position( r#" //- /lib.rs <|> //empty mod foo { mod bar { mod test_mod { #[test] fn test_foo1() {} } } } "#, ); let runnables = analysis.runnables(pos.file_id).unwrap(); assert_debug_snapshot_matches!("runnables_multiple_depth_module", &runnables) } #[test] fn test_runnables_no_test_function_in_module() { let (analysis, pos) = analysis_and_position( r#" //- /lib.rs <|> //empty mod test_mod { fn foo1() {} } "#, ); let runnables = analysis.runnables(pos.file_id).unwrap(); assert!(runnables.is_empty()) } }