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