6 files changed, 77 insertions, 12 deletions

diff --git a/crates/ra_ide/src/completion.rs b/crates/ra_ide/src/completion.rs
index 8bdc43b1a..191300704 100644
--- a/crates/ra_ide/src/completion.rs
+++ b/crates/ra_ide/src/completion.rs
@@ -59,8 +59,8 @@ pub use crate::completion::{
 /// with ordering of completions (currently this is done by the client).
 pub(crate) fn completions(
     db: &RootDatabase,
-    position: FilePosition,
     config: &CompletionConfig,
+    position: FilePosition,
 ) -> Option<Completions> {
     let ctx = CompletionContext::new(db, position, config)?;
 
diff --git a/crates/ra_ide/src/completion/test_utils.rs b/crates/ra_ide/src/completion/test_utils.rs
index eb90b5279..bf22452a2 100644
--- a/crates/ra_ide/src/completion/test_utils.rs
+++ b/crates/ra_ide/src/completion/test_utils.rs
@@ -20,7 +20,7 @@ pub(crate) fn do_completion_with_options(
     } else {
         single_file_with_position(code)
     };
-    let completions = analysis.completions(position, options).unwrap().unwrap();
+    let completions = analysis.completions(options, position).unwrap().unwrap();
     let completion_items: Vec<CompletionItem> = completions.into();
     let mut kind_completions: Vec<CompletionItem> =
         completion_items.into_iter().filter(|c| c.completion_kind == kind).collect();
diff --git a/crates/ra_ide/src/diagnostics.rs b/crates/ra_ide/src/diagnostics.rs
index 87a0b80f1..54c2bcc09 100644
--- a/crates/ra_ide/src/diagnostics.rs
+++ b/crates/ra_ide/src/diagnostics.rs
@@ -629,6 +629,7 @@ mod tests {
                             },
                         ],
                         cursor_position: None,
+                        is_snippet: false,
                     },
                 ),
                 severity: Error,
@@ -685,6 +686,7 @@ mod tests {
                         ],
                         file_system_edits: [],
                         cursor_position: None,
+                        is_snippet: false,
                     },
                 ),
                 severity: Error,
diff --git a/crates/ra_ide/src/lib.rs b/crates/ra_ide/src/lib.rs
index 78149ddfc..66125f2f5 100644
--- a/crates/ra_ide/src/lib.rs
+++ b/crates/ra_ide/src/lib.rs
@@ -82,7 +82,7 @@ pub use crate::{
 };
 
 pub use hir::Documentation;
-pub use ra_assists::AssistId;
+pub use ra_assists::{AssistConfig, AssistId};
 pub use ra_db::{
     Canceled, CrateGraph, CrateId, Edition, FileId, FilePosition, FileRange, SourceRootId,
 };
@@ -458,17 +458,17 @@ impl Analysis {
     /// Computes completions at the given position.
     pub fn completions(
         &self,
-        position: FilePosition,
         config: &CompletionConfig,
+        position: FilePosition,
     ) -> Cancelable<Option<Vec<CompletionItem>>> {
-        self.with_db(|db| completion::completions(db, position, config).map(Into::into))
+        self.with_db(|db| completion::completions(db, config, position).map(Into::into))
     }
 
     /// Computes assists (aka code actions aka intentions) for the given
     /// position.
-    pub fn assists(&self, frange: FileRange) -> Cancelable<Vec<Assist>> {
+    pub fn assists(&self, config: &AssistConfig, frange: FileRange) -> Cancelable<Vec<Assist>> {
         self.with_db(|db| {
-            ra_assists::Assist::resolved(db, frange)
+            ra_assists::Assist::resolved(db, config, frange)
                 .into_iter()
                 .map(|assist| Assist {
                     id: assist.assist.id,
diff --git a/crates/ra_ide/src/references/rename.rs b/crates/ra_ide/src/references/rename.rs
index 410dae75c..68a53ad4b 100644
--- a/crates/ra_ide/src/references/rename.rs
+++ b/crates/ra_ide/src/references/rename.rs
@@ -670,6 +670,7 @@ mod tests {
                         },
                     ],
                     cursor_position: None,
+                    is_snippet: false,
                 },
             },
         )
@@ -722,6 +723,7 @@ mod tests {
                         },
                     ],
                     cursor_position: None,
+                    is_snippet: false,
                 },
             },
         )
@@ -818,6 +820,7 @@ mod tests {
                         },
                     ],
                     cursor_position: None,
+                    is_snippet: false,
                 },
             },
         )
diff --git a/crates/ra_ide/src/runnables.rs b/crates/ra_ide/src/runnables.rs
index fa8a9d92c..131b8f307 100644
--- a/crates/ra_ide/src/runnables.rs
+++ b/crates/ra_ide/src/runnables.rs
@@ -1,6 +1,6 @@
 //! FIXME: write short doc here
 
-use hir::Semantics;
+use hir::{AsAssocItem, Semantics};
 use itertools::Itertools;
 use ra_ide_db::RootDatabase;
 use ra_syntax::{
@@ -65,14 +65,36 @@ fn runnable_fn(sema: &Semantics<RootDatabase>, fn_def: ast::FnDef) -> Option<Run
         RunnableKind::Bin
     } else {
         let test_id = if let Some(module) = sema.to_def(&fn_def).map(|def| def.module(sema.db)) {
-            let path = module
+            let def = sema.to_def(&fn_def)?;
+            let impl_trait_name =
+                def.as_assoc_item(sema.db).and_then(|assoc_item| {
+                    match assoc_item.container(sema.db) {
+                        hir::AssocItemContainer::Trait(trait_item) => {
+                            Some(trait_item.name(sema.db).to_string())
+                        }
+                        hir::AssocItemContainer::ImplDef(impl_def) => impl_def
+                            .target_ty(sema.db)
+                            .as_adt()
+                            .map(|adt| adt.name(sema.db).to_string()),
+                    }
+                });
+
+            let path_iter = module
                 .path_to_root(sema.db)
                 .into_iter()
                 .rev()
                 .filter_map(|it| it.name(sema.db))
-                .map(|name| name.to_string())
-                .chain(std::iter::once(name_string))
-                .join("::");
+                .map(|name| name.to_string());
+
+            let path = if let Some(impl_trait_name) = impl_trait_name {
+                path_iter
+                    .chain(std::iter::once(impl_trait_name))
+                    .chain(std::iter::once(name_string))
+                    .join("::")
+            } else {
+                path_iter.chain(std::iter::once(name_string)).join("::")
+            };
+
             TestId::Path(path)
         } else {
             TestId::Name(name_string)
@@ -238,6 +260,44 @@ mod tests {
     }
 
     #[test]
+    fn test_runnables_doc_test_in_impl() {
+        let (analysis, pos) = analysis_and_position(
+            r#"
+        //- /lib.rs
+        <|> //empty
+        fn main() {}
+
+        struct Data;
+        impl Data {
+            /// ```
+            /// let x = 5;
+            /// ```
+            fn foo() {}
+        }
+        "#,
+        );
+        let runnables = analysis.runnables(pos.file_id).unwrap();
+        assert_debug_snapshot!(&runnables,
+        @r###"
+        [
+            Runnable {
+                range: 1..21,
+                kind: Bin,
+            },
+            Runnable {
+                range: 51..105,
+                kind: DocTest {
+                    test_id: Path(
+                        "Data::foo",
+                    ),
+                },
+            },
+        ]
+        "###
+                );
+    }
+
+    #[test]
     fn test_runnables_module() {
         let (analysis, pos) = analysis_and_position(
             r#"