mirror of
https://github.com/rust-lang/rust-analyzer
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70 lines
3 KiB
Rust
70 lines
3 KiB
Rust
//! Utilities for creating `Analysis` instances for tests.
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use ide_db::base_db::fixture::ChangeFixture;
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use test_utils::{extract_annotations, RangeOrOffset};
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use crate::{Analysis, AnalysisHost, FileId, FilePosition, FileRange};
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/// Creates analysis for a single file.
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pub(crate) fn file(ra_fixture: &str) -> (Analysis, FileId) {
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let mut host = AnalysisHost::default();
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let change_fixture = ChangeFixture::parse(ra_fixture);
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host.db.apply_change(change_fixture.change);
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(host.analysis(), change_fixture.files[0])
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}
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/// Creates analysis for many files.
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pub(crate) fn files(ra_fixture: &str) -> (Analysis, Vec<FileId>) {
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let mut host = AnalysisHost::default();
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let change_fixture = ChangeFixture::parse(ra_fixture);
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host.db.apply_change(change_fixture.change);
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(host.analysis(), change_fixture.files)
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}
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/// Creates analysis from a multi-file fixture, returns positions marked with <|>.
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pub(crate) fn position(ra_fixture: &str) -> (Analysis, FilePosition) {
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let mut host = AnalysisHost::default();
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let change_fixture = ChangeFixture::parse(ra_fixture);
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host.db.apply_change(change_fixture.change);
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let (file_id, range_or_offset) = change_fixture.file_position.expect("expected a marker (<|>)");
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let offset = match range_or_offset {
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RangeOrOffset::Range(_) => panic!(),
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RangeOrOffset::Offset(it) => it,
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};
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(host.analysis(), FilePosition { file_id, offset })
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}
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/// Creates analysis for a single file, returns range marked with a pair of <|>.
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pub(crate) fn range(ra_fixture: &str) -> (Analysis, FileRange) {
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let mut host = AnalysisHost::default();
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let change_fixture = ChangeFixture::parse(ra_fixture);
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host.db.apply_change(change_fixture.change);
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let (file_id, range_or_offset) = change_fixture.file_position.expect("expected a marker (<|>)");
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let range = match range_or_offset {
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RangeOrOffset::Range(it) => it,
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RangeOrOffset::Offset(_) => panic!(),
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};
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(host.analysis(), FileRange { file_id, range })
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}
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/// Creates analysis from a multi-file fixture, returns positions marked with <|>.
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pub(crate) fn annotations(ra_fixture: &str) -> (Analysis, FilePosition, Vec<(FileRange, String)>) {
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let mut host = AnalysisHost::default();
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let change_fixture = ChangeFixture::parse(ra_fixture);
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host.db.apply_change(change_fixture.change);
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let (file_id, range_or_offset) = change_fixture.file_position.expect("expected a marker (<|>)");
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let offset = match range_or_offset {
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RangeOrOffset::Range(_) => panic!(),
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RangeOrOffset::Offset(it) => it,
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};
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let annotations = change_fixture
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.files
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.iter()
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.flat_map(|&file_id| {
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let file_text = host.analysis().file_text(file_id).unwrap();
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let annotations = extract_annotations(&file_text);
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annotations.into_iter().map(move |(range, data)| (FileRange { file_id, range }, data))
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})
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.collect();
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(host.analysis(), FilePosition { file_id, offset }, annotations)
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}
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