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https://github.com/ilyakooo0/helix.git
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Add test cases for existing pair matching logic. (#6027)
* Add test cases for existing pair matching logic. * fix clippy
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8dd1ab4899
commit
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@ -275,51 +275,138 @@ mod test {
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#[test]
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fn test_get_surround_pos() {
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let doc = Rope::from("(some) (chars)\n(newline)");
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let slice = doc.slice(..);
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let selection = Selection::new(
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SmallVec::from_slice(&[Range::point(2), Range::point(9), Range::point(20)]),
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0,
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);
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#[rustfmt::skip]
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let (doc, selection, expectations) =
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rope_with_selections_and_expectations(
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"(some) (chars)\n(newline)",
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"_ ^ _ _ ^ _\n_ ^ _"
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);
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// cursor on s[o]me, c[h]ars, newl[i]ne
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assert_eq!(
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get_surround_pos(slice, &selection, Some('('), 1)
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.unwrap()
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.as_slice(),
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&[0, 5, 7, 13, 15, 23]
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get_surround_pos(doc.slice(..), &selection, Some('('), 1).unwrap(),
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expectations
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);
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}
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#[test]
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fn test_get_surround_pos_bail() {
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let doc = Rope::from("[some]\n(chars)xx\n(newline)");
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let slice = doc.slice(..);
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fn test_get_surround_pos_bail_different_surround_chars() {
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#[rustfmt::skip]
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let (doc, selection, _) =
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rope_with_selections_and_expectations(
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"[some]\n(chars)xx\n(newline)",
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" ^ \n ^ \n "
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);
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let selection =
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Selection::new(SmallVec::from_slice(&[Range::point(2), Range::point(9)]), 0);
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// cursor on s[o]me, c[h]ars
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assert_eq!(
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get_surround_pos(slice, &selection, Some('('), 1),
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Err(Error::PairNotFound) // different surround chars
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get_surround_pos(doc.slice(..), &selection, Some('('), 1),
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Err(Error::PairNotFound)
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);
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}
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#[test]
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fn test_get_surround_pos_bail_overlapping_surround_chars() {
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#[rustfmt::skip]
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let (doc, selection, _) =
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rope_with_selections_and_expectations(
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"[some]\n(chars)xx\n(newline)",
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" \n ^ \n ^ "
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);
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let selection = Selection::new(
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SmallVec::from_slice(&[Range::point(14), Range::point(24)]),
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0,
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);
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// cursor on [x]x, newli[n]e
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assert_eq!(
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get_surround_pos(slice, &selection, Some('('), 1),
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get_surround_pos(doc.slice(..), &selection, Some('('), 1),
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Err(Error::PairNotFound) // overlapping surround chars
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);
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}
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#[test]
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fn test_get_surround_pos_bail_cursor_overlap() {
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#[rustfmt::skip]
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let (doc, selection, _) =
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rope_with_selections_and_expectations(
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"[some]\n(chars)xx\n(newline)",
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" ^^ \n \n "
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);
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let selection =
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Selection::new(SmallVec::from_slice(&[Range::point(2), Range::point(3)]), 0);
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// cursor on s[o][m]e
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assert_eq!(
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get_surround_pos(slice, &selection, Some('['), 1),
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get_surround_pos(doc.slice(..), &selection, Some('['), 1),
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Err(Error::CursorOverlap)
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);
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}
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#[test]
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fn test_find_nth_pairs_pos_quote_success() {
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#[rustfmt::skip]
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let (doc, selection, expectations) =
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rope_with_selections_and_expectations(
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"some 'quoted text' on this 'line'\n'and this one'",
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" _ ^ _ \n "
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);
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assert_eq!(2, expectations.len());
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assert_eq!(
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find_nth_pairs_pos(doc.slice(..), '\'', selection.primary(), 1)
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.expect("find should succeed"),
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(expectations[0], expectations[1])
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)
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}
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#[test]
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fn test_find_nth_pairs_pos_nested_quote_success() {
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#[rustfmt::skip]
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let (doc, selection, expectations) =
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rope_with_selections_and_expectations(
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"some 'nested 'quoted' text' on this 'line'\n'and this one'",
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" _ ^ _ \n "
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);
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assert_eq!(2, expectations.len());
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assert_eq!(
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find_nth_pairs_pos(doc.slice(..), '\'', selection.primary(), 2)
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.expect("find should succeed"),
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(expectations[0], expectations[1])
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)
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}
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#[test]
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fn test_find_nth_pairs_pos_inside_quote_ambiguous() {
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#[rustfmt::skip]
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let (doc, selection, _) =
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rope_with_selections_and_expectations(
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"some 'nested 'quoted' text' on this 'line'\n'and this one'",
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" ^ \n "
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);
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assert_eq!(
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find_nth_pairs_pos(doc.slice(..), '\'', selection.primary(), 1),
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Err(Error::CursorOnAmbiguousPair)
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)
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}
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// Create a Rope and a matching Selection using a specification language.
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// ^ is a single-point selection.
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// _ is an expected index. These are returned as a Vec<usize> for use in assertions.
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fn rope_with_selections_and_expectations(
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text: &str,
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spec: &str,
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) -> (Rope, Selection, Vec<usize>) {
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if text.len() != spec.len() {
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panic!("specification must match text length -- are newlines aligned?");
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}
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let rope = Rope::from(text);
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let selections: SmallVec<[Range; 1]> = spec
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.match_indices('^')
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.into_iter()
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.map(|(i, _)| Range::point(i))
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.collect();
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let expectations: Vec<usize> = spec
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.match_indices('_')
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.into_iter()
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.map(|(i, _)| i)
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.collect();
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(rope, Selection::new(selections, 0), expectations)
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}
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}
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