Rewrite item_tree tests to expect

insta review wouldn't update the test, so ...

Cargo.lock

@@ -1059,6 +1059,7 @@ dependencies = [
  "anymap",
  "drop_bomb",
  "either",
+ "expect",
  "fst",
  "indexmap",
  "insta",

crates/ra_hir_def/Cargo.toml

@@ -33,3 +33,4 @@ tt = { path = "../ra_tt", package = "ra_tt" }
 
 [dev-dependencies]
 insta = "0.16.0"
+expect = { path = "../expect" }

crates/ra_hir_def/src/item_tree/tests.rs

@@ -1,13 +1,15 @@
-use super::{ItemTree, ModItem, ModKind};
+use expect::{expect, Expect};
-use crate::{db::DefDatabase, test_db::TestDB};
 use hir_expand::{db::AstDatabase, HirFileId, InFile};
-use insta::assert_snapshot;
 use ra_db::fixture::WithFixture;
 use ra_syntax::{ast, AstNode};
 use rustc_hash::FxHashSet;
 use std::sync::Arc;
 use stdx::format_to;
 
+use crate::{db::DefDatabase, test_db::TestDB};
+
+use super::{ItemTree, ModItem, ModKind};
+
 fn test_inner_items(ra_fixture: &str) {
     let (db, file_id) = TestDB::with_single_file(ra_fixture);
     let file_id = HirFileId::from(file_id);
@@ -162,9 +164,15 @@ fn fmt_mod_item(out: &mut String, tree: &ItemTree, item: ModItem) {
     }
 }
 
+fn check(ra_fixture: &str, expect: Expect) {
+    let actual = print_item_tree(ra_fixture);
+    expect.assert_eq(&actual);
+}
+
 #[test]
 fn smoke() {
-    assert_snapshot!(print_item_tree(r"
+    check(
+        r"
         #![attr]
 
         #[attr_on_use]
@@ -214,7 +222,8 @@ fn smoke() {
             #[union_fld]
             fld: u16,
         }
-    "), @r###"
+    ",
+        expect![[r##"
             inner attrs: Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("attr"))] }, input: None }]) }
 
             top-level items:
@@ -244,12 +253,13 @@ Struct { name: Name(Text("Struct2")), visibility: RawVisibilityId("pub(self)"),
             Enum { name: Name(Text("En")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), variants: IdRange::<ra_hir_def::item_tree::Variant>(0..1), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::EnumDef>(6) }
             #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("un"))] }, input: None }]) }]
             Union { name: Name(Text("Un")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), fields: Record(IdRange::<ra_hir_def::item_tree::Field>(3..4)), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::UnionDef>(7) }
-    "###);
+        "##]],
+    );
 }
 
 #[test]
 fn simple_inner_items() {
-    let tree = print_item_tree(
+    check(
         r"
         impl<T:A> D for Response<T> {
             fn foo() {
@@ -260,9 +270,7 @@ fn simple_inner_items() {
             }
         }
     ",
-    );
+        expect![[r#"
-
-    assert_snapshot!(tree, @r###"
             inner attrs: Attrs { entries: None }
 
             top-level items:
@@ -274,12 +282,13 @@ inner items:
             for AST FileAstId::<ra_syntax::ast::generated::nodes::ModuleItem>(2):
             Function { name: Name(Text("end")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(1), has_self_param: false, is_unsafe: false, params: [], ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::FnDef>(2) }
 
-    "###);
+        "#]],
+    );
 }
 
 #[test]
 fn extern_attrs() {
-    let tree = print_item_tree(
+    check(
         r#"
         #[block_attr]
         extern "C" {
@@ -289,22 +298,21 @@ fn extern_attrs() {
             fn b() {}
         }
     "#,
-    );
+        expect![[r##"
-
-    assert_snapshot!(tree, @r###"
             inner attrs: Attrs { entries: None }
 
             top-level items:
             #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("attr_a"))] }, input: None }, Attr { path: ModPath { kind: Plain, segments: [Name(Text("block_attr"))] }, input: None }]) }]
-Function { name: Name(Text("a")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: false, params: [], ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::FnDef>(1) }
+            Function { name: Name(Text("a")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: true, params: [], ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::FnDef>(1) }
             #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("attr_b"))] }, input: None }, Attr { path: ModPath { kind: Plain, segments: [Name(Text("block_attr"))] }, input: None }]) }]
-Function { name: Name(Text("b")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: false, params: [], ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::FnDef>(2) }
+            Function { name: Name(Text("b")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: true, params: [], ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::FnDef>(2) }
-    "###);
+        "##]],
+    );
 }
 
 #[test]
 fn trait_attrs() {
-    let tree = print_item_tree(
+    check(
         r#"
         #[trait_attr]
         trait Tr {
@@ -314,9 +322,7 @@ fn trait_attrs() {
             fn b() {}
         }
     "#,
-    );
+        expect![[r##"
-
-    assert_snapshot!(tree, @r###"
             inner attrs: Attrs { entries: None }
 
             top-level items:
@@ -326,12 +332,13 @@ Trait { name: Name(Text("Tr")), visibility: RawVisibilityId("pub(self)"), generi
             > Function { name: Name(Text("a")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: false, params: [], ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::FnDef>(1) }
             > #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("attr_b"))] }, input: None }]) }]
             > Function { name: Name(Text("b")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: false, params: [], ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::FnDef>(2) }
-    "###);
+        "##]],
+    );
 }
 
 #[test]
 fn impl_attrs() {
-    let tree = print_item_tree(
+    check(
         r#"
         #[impl_attr]
         impl Ty {
@@ -341,9 +348,7 @@ fn impl_attrs() {
             fn b() {}
         }
     "#,
-    );
+        expect![[r##"
-
-    assert_snapshot!(tree, @r###"
             inner attrs: Attrs { entries: None }
 
             top-level items:
@@ -353,7 +358,8 @@ Impl { generic_params: GenericParamsId(4294967295), target_trait: None, target_t
             > Function { name: Name(Text("a")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: false, params: [], ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::FnDef>(1) }
             > #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("attr_b"))] }, input: None }]) }]
             > Function { name: Name(Text("b")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: false, params: [], ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::FnDef>(2) }
-    "###);
+        "##]],
+    );
 }
 
 #[test]
@@ -391,16 +397,14 @@ fn cursed_inner_items() {
 
 #[test]
 fn inner_item_attrs() {
-    let tree = print_item_tree(
+    check(
         r"
         fn foo() {
             #[on_inner]
             fn inner() {}
         }
     ",
-    );
+        expect![[r##"
-
-    assert_snapshot!(tree, @r###"
             inner attrs: Attrs { entries: None }
 
             top-level items:
@@ -412,24 +416,24 @@ for AST FileAstId::<ra_syntax::ast::generated::nodes::ModuleItem>(1):
             #[Attrs { entries: Some([Attr { path: ModPath { kind: Plain, segments: [Name(Text("on_inner"))] }, input: None }]) }]
             Function { name: Name(Text("inner")), visibility: RawVisibilityId("pub(self)"), generic_params: GenericParamsId(4294967295), has_self_param: false, is_unsafe: false, params: [], ret_type: Tuple([]), ast_id: FileAstId::<ra_syntax::ast::generated::nodes::FnDef>(1) }
 
-    "###);
+        "##]],
+    );
 }
 
 #[test]
 fn assoc_item_macros() {
-    let tree = print_item_tree(
+    check(
         r"
         impl S {
             items!();
         }
     ",
-    );
+        expect![[r#"
-
-    assert_snapshot!(tree, @r###"
             inner attrs: Attrs { entries: None }
 
             top-level items:
             Impl { generic_params: GenericParamsId(4294967295), target_trait: None, target_type: Path(Path { type_anchor: None, mod_path: ModPath { kind: Plain, segments: [Name(Text("S"))] }, generic_args: [None] }), is_negative: false, items: [MacroCall(Idx::<MacroCall>(0))], ast_id: FileAstId::<ra_syntax::ast::generated::nodes::ImplDef>(0) }
             > MacroCall { name: None, path: ModPath { kind: Plain, segments: [Name(Text("items"))] }, is_export: false, is_local_inner: false, is_builtin: false, ast_id: FileAstId::<ra_syntax::ast::generated::nodes::MacroCall>(1) }
-    "###);
+        "#]],
+    );
 }