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Rewrite fixtures on top of Change

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This commit is contained in:
Aleksey Kladov 2020-10-02 16:07:33 +02:00
parent 8716c4cec3
commit eeb27f95f1
1 changed files with 87 additions and 80 deletions
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47
crates/base_db/src/fixture.rs
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@ -65,24 +65,26 @@ use test_utils::{extract_range_or_offset, Fixture, RangeOrOffset, CURSOR_MARKER}
use vfs::{file_set::FileSet, VfsPath};
use crate::{
input::CrateName, CrateGraph, CrateId, Edition, Env, FileId, FilePosition, SourceDatabaseExt,
SourceRoot, SourceRootId,
input::CrateName, Change, CrateGraph, CrateId, Edition, Env, FileId, FilePosition,
SourceDatabaseExt, SourceRoot, SourceRootId,
};
pub const WORKSPACE: SourceRootId = SourceRootId(0);
pub trait WithFixture: Default + SourceDatabaseExt + 'static {
fn with_single_file(text: &str) -> (Self, FileId) {
let fixture = ChangeFixture::parse(text);
let mut db = Self::default();
let (_, files) = with_files(&mut db, text);
assert_eq!(files.len(), 1);
(db, files[0])
fixture.change.apply(&mut db);
assert_eq!(fixture.files.len(), 1);
(db, fixture.files[0])
}
fn with_files(ra_fixture: &str) -> Self {
let fixture = ChangeFixture::parse(ra_fixture);
let mut db = Self::default();
let (pos, _) = with_files(&mut db, ra_fixture);
assert!(pos.is_none());
fixture.change.apply(&mut db);
assert!(fixture.file_position.is_none());
db
}
@ -96,9 +98,10 @@ pub trait WithFixture: Default + SourceDatabaseExt + 'static {
}
fn with_range_or_offset(ra_fixture: &str) -> (Self, FileId, RangeOrOffset) {
let fixture = ChangeFixture::parse(ra_fixture);
let mut db = Self::default();
let (pos, _) = with_files(&mut db, ra_fixture);
let (file_id, range_or_offset) = pos.unwrap();
fixture.change.apply(&mut db);
let (file_id, range_or_offset) = fixture.file_position.unwrap();
(db, file_id, range_or_offset)
}
@ -113,11 +116,16 @@ pub trait WithFixture: Default + SourceDatabaseExt + 'static {
impl<DB: SourceDatabaseExt + Default + 'static> WithFixture for DB {}
fn with_files(
db: &mut dyn SourceDatabaseExt,
fixture: &str,
) -> (Option<(FileId, RangeOrOffset)>, Vec<FileId>) {
let fixture = Fixture::parse(fixture);
pub struct ChangeFixture {
file_position: Option<(FileId, RangeOrOffset)>,
files: Vec<FileId>,
change: Change,
}
impl ChangeFixture {
fn parse(ra_fixture: &str) -> ChangeFixture {
let fixture = Fixture::parse(ra_fixture);
let mut change = Change::new();
let mut files = Vec::new();
let mut crate_graph = CrateGraph::default();
@ -126,7 +134,6 @@ fn with_files(
let mut default_crate_root: Option<FileId> = None;
let mut file_set = FileSet::default();
let source_root_id = WORKSPACE;
let source_root_prefix = "/".to_string();
let mut file_id = FileId(0);
@ -166,8 +173,7 @@ fn with_files(
default_crate_root = Some(file_id);
}
db.set_file_text(file_id, Arc::new(text));
db.set_file_source_root(file_id, source_root_id);
change.change_file(file_id, Some(Arc::new(text)));
let path = VfsPath::new_virtual_path(meta.path);
file_set.insert(file_id, path.into());
files.push(file_id);
@ -192,10 +198,11 @@ fn with_files(
}
}
db.set_source_root(source_root_id, Arc::new(SourceRoot::new_local(file_set)));
db.set_crate_graph(Arc::new(crate_graph));
change.set_roots(vec![SourceRoot::new_local(file_set)]);
change.set_crate_graph(crate_graph);
(file_position, files)
ChangeFixture { file_position, files, change }
}
}
struct FileMeta {