From e89700f9678d3797c09f0a397b7b67fe9c6f5e9f Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Wed, 28 Nov 2018 16:19:01 +0300
Subject: Move hir tests to hit

---
 crates/ra_hir/src/module/nameres.rs | 97 +++++++++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)

(limited to 'crates/ra_hir/src/module')

diff --git a/crates/ra_hir/src/module/nameres.rs b/crates/ra_hir/src/module/nameres.rs
index 837a8d5ae..de13835b2 100644
--- a/crates/ra_hir/src/module/nameres.rs
+++ b/crates/ra_hir/src/module/nameres.rs
@@ -336,3 +336,100 @@ where
         f(module_items)
     }
 }
+
+//TODO: move to hir
+#[cfg(test)]
+mod tests {
+    use std::sync::Arc;
+
+    use salsa::Database;
+    use ra_db::FilesDatabase;
+    use ra_syntax::SmolStr;
+
+    use crate::{
+        self as hir,
+        db::HirDatabase,
+        mock::MockDatabase,
+};
+
+    fn item_map(fixture: &str) -> (Arc<hir::ItemMap>, hir::ModuleId) {
+        let (db, pos) = MockDatabase::with_position(fixture);
+        let source_root = db.file_source_root(pos.file_id);
+        let module = hir::Module::guess_from_position(&db, pos).unwrap().unwrap();
+        let module_id = module.module_id;
+        (db.item_map(source_root).unwrap(), module_id)
+    }
+
+    #[test]
+    fn test_item_map() {
+        let (item_map, module_id) = item_map(
+            "
+            //- /lib.rs
+            mod foo;
+
+            use crate::foo::bar::Baz;
+            <|>
+
+            //- /foo/mod.rs
+            pub mod bar;
+
+            //- /foo/bar.rs
+            pub struct Baz;
+        ",
+        );
+        let name = SmolStr::from("Baz");
+        let resolution = &item_map.per_module[&module_id].items[&name];
+        assert!(resolution.def_id.is_some());
+    }
+
+    #[test]
+    fn typing_inside_a_function_should_not_invalidate_item_map() {
+        let (mut db, pos) = MockDatabase::with_position(
+            "
+            //- /lib.rs
+            mod foo;<|>
+
+            use crate::foo::bar::Baz;
+
+            fn foo() -> i32 {
+                1 + 1
+            }
+            //- /foo/mod.rs
+            pub mod bar;
+
+            //- /foo/bar.rs
+            pub struct Baz;
+        ",
+        );
+        let source_root = db.file_source_root(pos.file_id);
+        {
+            let events = db.log_executed(|| {
+                db.item_map(source_root).unwrap();
+            });
+            assert!(format!("{:?}", events).contains("item_map"))
+        }
+
+        let new_text = "
+            mod foo;
+
+            use crate::foo::bar::Baz;
+
+            fn foo() -> i32 { 92 }
+        "
+        .to_string();
+
+        db.query_mut(ra_db::FileTextQuery)
+            .set(pos.file_id, Arc::new(new_text));
+
+        {
+            let events = db.log_executed(|| {
+                db.item_map(source_root).unwrap();
+            });
+            assert!(
+                !format!("{:?}", events).contains("_item_map"),
+                "{:#?}",
+                events
+            )
+        }
+    }
+}
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