internal: Move out WithFixture into dev-dep only crate

Cargo.toml

@@ -70,11 +70,9 @@ proc-macro-srv = { path = "./crates/proc-macro-srv", version = "0.0.0" }
 proc-macro-srv-cli = { path = "./crates/proc-macro-srv-cli", version = "0.0.0" }
 profile = { path = "./crates/profile", version = "0.0.0" }
 project-model = { path = "./crates/project-model", version = "0.0.0" }
-sourcegen = { path = "./crates/sourcegen", version = "0.0.0" }
 span = { path = "./crates/span", version = "0.0.0" }
 stdx = { path = "./crates/stdx", version = "0.0.0" }
 syntax = { path = "./crates/syntax", version = "0.0.0" }
-test-utils = { path = "./crates/test-utils", version = "0.0.0" }
 text-edit = { path = "./crates/text-edit", version = "0.0.0" }
 toolchain = { path = "./crates/toolchain", version = "0.0.0" }
 tt = { path = "./crates/tt", version = "0.0.0" }
@@ -84,6 +82,9 @@ rustc-dependencies = { path = "./crates/rustc-dependencies", version = "0.0.0" }
 
 # local crates that aren't published to crates.io. These should not have versions.
 proc-macro-test = { path = "./crates/proc-macro-test" }
+sourcegen = { path = "./crates/sourcegen" }
+test-fixture = { path = "./crates/test-fixture" }
+test-utils = { path = "./crates/test-utils" }
 
 # In-tree crates that are published separately and follow semver. See lib/README.md
 line-index = { version = "0.1.1" }
@@ -94,8 +95,11 @@ lsp-server = { version = "0.7.4" }
 anyhow = "1.0.75"
 bitflags = "2.4.1"
 cargo_metadata = "0.18.1"
+command-group = "2.0.1"
+crossbeam-channel = "0.5.8"
 dissimilar = "1.0.7"
 either = "1.9.0"
+expect-test = "1.4.0"
 hashbrown = { version = "0.14", features = [
   "inline-more",
 ], default-features = false }
@@ -125,5 +129,6 @@ tracing-subscriber = { version = "0.3.18", default-features = false, features =
 triomphe = { version = "0.1.10", default-features = false, features = ["std"] }
 xshell = "0.2.5"
 
+
 # We need to freeze the version of the crate, as the raw-api feature is considered unstable
 dashmap = { version = "=5.5.3", features = ["raw-api"] }

crates/base-db/Cargo.toml

@@ -22,6 +22,5 @@ cfg.workspace = true
 profile.workspace = true
 stdx.workspace = true
 syntax.workspace = true
-test-utils.workspace = true
 vfs.workspace = true
 span.workspace = true

crates/cfg/Cargo.toml

@@ -12,7 +12,7 @@ rust-version.workspace = true
 doctest = false
 
 [dependencies]
-rustc-hash = "1.1.0"
+rustc-hash.workspace = true
 
 # locals deps
 tt.workspace = true

crates/flycheck/Cargo.toml

@@ -13,12 +13,12 @@ doctest = false
 
 [dependencies]
 cargo_metadata.workspace = true
-crossbeam-channel = "0.5.8"
+crossbeam-channel.workspace = true
 tracing.workspace = true
-rustc-hash = "1.1.0"
+rustc-hash.workspace = true
 serde_json.workspace = true
 serde.workspace = true
-command-group = "2.0.1"
+command-group.workspace = true
 
 # local deps
 paths.workspace = true

crates/hir-def/Cargo.toml

@@ -23,7 +23,7 @@ indexmap.workspace = true
 itertools.workspace = true
 la-arena.workspace = true
 once_cell = "1.17.0"
-rustc-hash = "1.1.0"
+rustc-hash.workspace = true
 tracing.workspace = true
 smallvec.workspace = true
 hashbrown.workspace = true
@@ -46,10 +46,11 @@ span.workspace = true
 
 
 [dev-dependencies]
-expect-test = "1.4.0"
+expect-test.workspace = true
 
 # local deps
 test-utils.workspace = true
+test-fixture.workspace = true
 
 [features]
 in-rust-tree = ["rustc-dependencies/in-rust-tree"]

crates/hir-def/src/body/scope.rs

@@ -268,8 +268,9 @@ fn compute_expr_scopes(expr: ExprId, body: &Body, scopes: &mut ExprScopes, scope
 #[cfg(test)]
 mod tests {
     use base_db::{FileId, SourceDatabase};
-    use hir_expand::{fixture::WithFixture, name::AsName, InFile};
+    use hir_expand::{name::AsName, InFile};
     use syntax::{algo::find_node_at_offset, ast, AstNode};
+    use test_fixture::WithFixture;
     use test_utils::{assert_eq_text, extract_offset};
 
     use crate::{db::DefDatabase, test_db::TestDB, FunctionId, ModuleDefId};

crates/hir-def/src/body/tests.rs

@@ -2,7 +2,7 @@ mod block;
 
 use base_db::SourceDatabase;
 use expect_test::{expect, Expect};
-use hir_expand::fixture::WithFixture;
+use test_fixture::WithFixture;
 
 use crate::{test_db::TestDB, ModuleDefId};
 

crates/hir-def/src/find_path.rs

@@ -585,8 +585,9 @@ fn find_local_import_locations(
 
 #[cfg(test)]
 mod tests {
-    use hir_expand::{db::ExpandDatabase, fixture::WithFixture};
+    use hir_expand::db::ExpandDatabase;
     use syntax::ast::AstNode;
+    use test_fixture::WithFixture;
 
     use crate::test_db::TestDB;
 

crates/hir-def/src/import_map.rs

@@ -475,7 +475,7 @@ pub fn search_dependencies(
 mod tests {
     use base_db::{SourceDatabase, Upcast};
     use expect_test::{expect, Expect};
-    use hir_expand::fixture::WithFixture;
+    use test_fixture::WithFixture;
 
     use crate::{db::DefDatabase, test_db::TestDB, ItemContainerId, Lookup};
 

crates/hir-def/src/item_tree/tests.rs

@@ -1,5 +1,5 @@
 use expect_test::{expect, Expect};
-use hir_expand::fixture::WithFixture;
+use test_fixture::WithFixture;
 
 use crate::{db::DefDatabase, test_db::TestDB};
 

crates/hir-def/src/macro_expansion_tests/mod.rs

@@ -20,7 +20,6 @@ use base_db::SourceDatabase;
 use expect_test::Expect;
 use hir_expand::{
     db::ExpandDatabase,
-    fixture::WithFixture,
     proc_macro::{ProcMacro, ProcMacroExpander, ProcMacroExpansionError, ProcMacroKind},
     span_map::SpanMapRef,
     InFile, MacroFileId, MacroFileIdExt,
@@ -33,6 +32,7 @@ use syntax::{
     SyntaxKind::{COMMENT, EOF, IDENT, LIFETIME_IDENT},
     SyntaxNode, T,
 };
+use test_fixture::WithFixture;
 
 use crate::{
     db::DefDatabase,

crates/hir-def/src/nameres/collector.rs

@@ -2370,7 +2370,7 @@ impl ModCollector<'_, '_> {
 #[cfg(test)]
 mod tests {
     use base_db::SourceDatabase;
-    use hir_expand::fixture::WithFixture;
+    use test_fixture::WithFixture;
 
     use crate::{db::DefDatabase, test_db::TestDB};
 

crates/hir-def/src/nameres/tests.rs

@@ -6,7 +6,7 @@ mod primitives;
 
 use base_db::SourceDatabase;
 use expect_test::{expect, Expect};
-use hir_expand::fixture::WithFixture;
+use test_fixture::WithFixture;
 use triomphe::Arc;
 
 use crate::{db::DefDatabase, nameres::DefMap, test_db::TestDB};

crates/hir-def/src/nameres/tests/incremental.rs

@@ -1,11 +1,8 @@
 use base_db::{SourceDatabase, SourceDatabaseExt};
+use test_fixture::WithFixture;
 use triomphe::Arc;
 
-use crate::{
-    db::DefDatabase,
-    nameres::tests::{TestDB, WithFixture},
-    AdtId, ModuleDefId,
-};
+use crate::{db::DefDatabase, nameres::tests::TestDB, AdtId, ModuleDefId};
 
 fn check_def_map_is_not_recomputed(ra_fixture_initial: &str, ra_fixture_change: &str) {
     let (mut db, pos) = TestDB::with_position(ra_fixture_initial);

crates/hir-def/src/nameres/tests/macros.rs

@@ -1,6 +1,12 @@
-use super::*;
+use expect_test::expect;
+use test_fixture::WithFixture;
+
 use itertools::Itertools;
 
+use crate::nameres::tests::check;
+
+use super::*;
+
 #[test]
 fn macro_rules_are_globally_visible() {
     check(

crates/hir-expand/Cargo.toml

@@ -15,7 +15,7 @@ doctest = false
 cov-mark = "2.0.0-pre.1"
 tracing.workspace = true
 either.workspace = true
-rustc-hash = "1.1.0"
+rustc-hash.workspace = true
 la-arena.workspace = true
 itertools.workspace = true
 hashbrown.workspace = true
@@ -33,7 +33,6 @@ tt.workspace = true
 mbe.workspace = true
 limit.workspace = true
 span.workspace = true
-test-utils.workspace = true
 
 [dev-dependencies]
 expect-test = "1.4.0"

crates/hir-expand/src/change.rs

@@ -0,0 +1,42 @@
+//! Defines a unit of change that can applied to the database to get the next
+//! state. Changes are transactional.
+use base_db::{salsa::Durability, CrateGraph, FileChange, SourceDatabaseExt, SourceRoot};
+use span::FileId;
+use triomphe::Arc;
+
+use crate::{db::ExpandDatabase, proc_macro::ProcMacros};
+
+#[derive(Debug, Default)]
+pub struct Change {
+    pub source_change: FileChange,
+    pub proc_macros: Option<ProcMacros>,
+}
+
+impl Change {
+    pub fn new() -> Self {
+        Self::default()
+    }
+
+    pub fn apply(self, db: &mut (impl ExpandDatabase + SourceDatabaseExt)) {
+        self.source_change.apply(db);
+        if let Some(proc_macros) = self.proc_macros {
+            db.set_proc_macros_with_durability(Arc::new(proc_macros), Durability::HIGH);
+        }
+    }
+
+    pub fn change_file(&mut self, file_id: FileId, new_text: Option<Arc<str>>) {
+        self.source_change.change_file(file_id, new_text)
+    }
+
+    pub fn set_crate_graph(&mut self, graph: CrateGraph) {
+        self.source_change.set_crate_graph(graph)
+    }
+
+    pub fn set_proc_macros(&mut self, proc_macros: ProcMacros) {
+        self.proc_macros = Some(proc_macros);
+    }
+
+    pub fn set_roots(&mut self, roots: Vec<SourceRoot>) {
+        self.source_change.set_roots(roots)
+    }
+}

crates/hir-expand/src/lib.rs

@@ -14,7 +14,7 @@ pub mod builtin_fn_macro;
 pub mod db;
 pub mod eager;
 pub mod files;
-pub mod fixture;
+pub mod change;
 pub mod hygiene;
 pub mod mod_path;
 pub mod name;

crates/hir-ty/Cargo.toml

@@ -21,7 +21,7 @@ ena = "0.14.0"
 either.workspace = true
 oorandom = "11.1.3"
 tracing.workspace = true
-rustc-hash = "1.1.0"
+rustc-hash.workspace = true
 scoped-tls = "1.0.0"
 chalk-solve = { version = "0.95.0", default-features = false }
 chalk-ir = "0.95.0"
@@ -54,6 +54,7 @@ project-model = { path = "../project-model" }
 
 # local deps
 test-utils.workspace = true
+test-fixture.workspace = true
 
 [features]
 in-rust-tree = ["rustc-dependencies/in-rust-tree"]