Support multi-file assist tests

This commit is contained in:
Aleksey Kladov 2020-11-09 14:22:45 +01:00
parent e72cd4600e
commit 018f826197
2 changed files with 55 additions and 5 deletions

View File

@ -345,6 +345,43 @@ fn another_fn() {
);
}
#[test]
fn test_several_files() {
check_assist(
extract_struct_from_enum_variant,
r#"
//- /main.rs
enum E {
<|>V(i32, i32)
}
mod foo;
//- /foo.rs
use crate::E;
fn f() {
let e = E::V(9, 2);
}
"#,
r#"
//- /main.rs
struct V(pub i32, pub i32);
enum E {
V(V)
}
mod foo;
//- /foo.rs
use V;
use crate::E;
fn f() {
let e = E::V(V(9, 2));
}
"#,
)
}
fn check_not_applicable(ra_fixture: &str) {
let fixture =
format!("//- /main.rs crate:main deps:core\n{}\n{}", ra_fixture, FamousDefs::FIXTURE);

View File

@ -7,7 +7,7 @@ use syntax::TextRange;
use test_utils::{assert_eq_text, extract_offset, extract_range};
use crate::{handlers::Handler, Assist, AssistConfig, AssistContext, AssistKind, Assists};
use stdx::trim_indent;
use stdx::{format_to, trim_indent};
pub(crate) fn with_single_file(text: &str) -> (RootDatabase, FileId) {
RootDatabase::with_single_file(text)
@ -98,11 +98,24 @@ fn check(handler: Handler, before: &str, expected: ExpectedResult, assist_label:
match (assist, expected) {
(Some(assist), ExpectedResult::After(after)) => {
let mut source_change = assist.source_change;
let change = source_change.source_file_edits.pop().unwrap();
assert!(!source_change.source_file_edits.is_empty());
let skip_header = source_change.source_file_edits.len() == 1;
source_change.source_file_edits.sort_by_key(|it| it.file_id);
let mut actual = db.file_text(change.file_id).as_ref().to_owned();
change.edit.apply(&mut actual);
assert_eq_text!(after, &actual);
let mut buf = String::new();
for source_file_edit in source_change.source_file_edits {
let mut text = db.file_text(source_file_edit.file_id).as_ref().to_owned();
source_file_edit.edit.apply(&mut text);
if !skip_header {
let sr = db.file_source_root(source_file_edit.file_id);
let sr = db.source_root(sr);
let path = sr.path_for_file(&source_file_edit.file_id).unwrap();
format_to!(buf, "//- {}\n", path)
}
buf.push_str(&text);
}
assert_eq_text!(after, &buf);
}
(Some(assist), ExpectedResult::Target(target)) => {
let range = assist.assist.target;