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//! Runs completion for testing purposes.
use hir::Semantics;
use itertools::Itertools;
use ra_syntax::{AstNode, NodeOrToken, SyntaxElement};
use stdx::format_to;
use test_utils::assert_eq_text;
use crate::{
completion::{completion_item::CompletionKind, CompletionConfig},
mock_analysis::analysis_and_position,
CompletionItem,
};
pub(crate) fn do_completion(code: &str, kind: CompletionKind) -> Vec<CompletionItem> {
do_completion_with_options(code, kind, &CompletionConfig::default())
}
pub(crate) fn do_completion_with_options(
code: &str,
kind: CompletionKind,
options: &CompletionConfig,
) -> Vec<CompletionItem> {
let mut kind_completions: Vec<CompletionItem> = get_all_completion_items(code, options)
.into_iter()
.filter(|c| c.completion_kind == kind)
.collect();
kind_completions.sort_by(|l, r| l.label().cmp(r.label()));
kind_completions
}
pub(crate) fn completion_list(code: &str, kind: CompletionKind) -> String {
completion_list_with_options(code, kind, &CompletionConfig::default())
}
pub(crate) fn completion_list_with_options(
code: &str,
kind: CompletionKind,
options: &CompletionConfig,
) -> String {
let mut kind_completions: Vec<CompletionItem> = get_all_completion_items(code, options)
.into_iter()
.filter(|c| c.completion_kind == kind)
.collect();
kind_completions.sort_by_key(|c| c.label().to_owned());
kind_completions
.into_iter()
.map(|it| {
let mut buf = format!("{} {}", it.kind().unwrap().tag(), it.label());
if let Some(detail) = it.detail() {
format_to!(buf, " {}", detail);
}
format_to!(buf, "\n");
buf
})
.collect()
}
pub(crate) fn check_edit(what: &str, ra_fixture_before: &str, ra_fixture_after: &str) {
let (analysis, position) = analysis_and_position(ra_fixture_before);
let completions: Vec<CompletionItem> =
analysis.completions(&CompletionConfig::default(), position).unwrap().unwrap().into();
let (completion,) =
completions.into_iter().filter(|it| it.label() == what).collect_tuple().unwrap();
let mut actual = analysis.file_text(position.file_id).unwrap().to_string();
completion.text_edit().apply(&mut actual);
assert_eq_text!(ra_fixture_after, &actual)
}
pub(crate) fn check_pattern_is_applicable(code: &str, check: fn(SyntaxElement) -> bool) {
let (analysis, pos) = analysis_and_position(code);
analysis
.with_db(|db| {
let sema = Semantics::new(db);
let original_file = sema.parse(pos.file_id);
let token = original_file.syntax().token_at_offset(pos.offset).left_biased().unwrap();
assert!(check(NodeOrToken::Token(token)));
})
.unwrap();
}
fn get_all_completion_items(code: &str, options: &CompletionConfig) -> Vec<CompletionItem> {
let (analysis, position) = analysis_and_position(code);
analysis.completions(options, position).unwrap().unwrap().into()
}
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