From 66673eae2b3d3185607d29ee341d2db8a81a46e0 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Fri, 18 Jun 2021 00:42:32 +0300
Subject: internal: retire famous_defs_fixture

This is now done declaratively via `minicore`.
---
 crates/ide_db/src/helpers.rs                     | 11 ++++++++--
 crates/ide_db/src/helpers/famous_defs_fixture.rs | 26 ------------------------
 2 files changed, 9 insertions(+), 28 deletions(-)
 delete mode 100644 crates/ide_db/src/helpers/famous_defs_fixture.rs

(limited to 'crates/ide_db')

diff --git a/crates/ide_db/src/helpers.rs b/crates/ide_db/src/helpers.rs
index 00900cdc2..d96028cbc 100644
--- a/crates/ide_db/src/helpers.rs
+++ b/crates/ide_db/src/helpers.rs
@@ -74,12 +74,19 @@ pub fn visit_file_defs(
 /// somewhat similar to the known paths infra inside hir, but it different; We
 /// want to make sure that IDE specific paths don't become interesting inside
 /// the compiler itself as well.
+///
+/// Note that, by default, rust-analyzer tests **do not** include core or std
+/// libraries. If you are writing tests for functionality using [`FamousDefs`],
+/// you'd want to include [minicore](test_utils::MiniCore) declaration at the
+/// start of your tests:
+///
+/// ```
+/// //- minicore: iterator, ord, derive
+/// ```
 pub struct FamousDefs<'a, 'b>(pub &'a Semantics<'b, RootDatabase>, pub Option<Crate>);
 
 #[allow(non_snake_case)]
 impl FamousDefs<'_, '_> {
-    pub const FIXTURE: &'static str = include_str!("helpers/famous_defs_fixture.rs");
-
     pub fn std(&self) -> Option<Crate> {
         self.find_crate("std")
     }
diff --git a/crates/ide_db/src/helpers/famous_defs_fixture.rs b/crates/ide_db/src/helpers/famous_defs_fixture.rs
deleted file mode 100644
index 6310fc0e1..000000000
--- a/crates/ide_db/src/helpers/famous_defs_fixture.rs
+++ /dev/null
@@ -1,26 +0,0 @@
-//- /libcore.rs crate:core
-//! Signatures of traits, types and functions from the core lib for use in tests.
-pub mod prelude {
-    pub mod rust_2018 {
-        pub use crate::{
-            cmp::Ord,
-            convert::{From, Into},
-            default::Default,
-            iter::{IntoIterator, Iterator},
-            ops::{Fn, FnMut, FnOnce},
-            option::Option::{self, *},
-        };
-    }
-}
-#[prelude_import]
-pub use prelude::rust_2018::*;
-//- /libstd.rs crate:std deps:core
-//! Signatures of traits, types and functions from the std lib for use in tests.
-
-/// Docs for return_keyword
-mod return_keyword {}
-
-/// Docs for prim_str
-mod prim_str {}
-
-pub use core::ops;
-- 
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