Trim quotes and braces from paths in goto_file_impl (helix-editor#4370)

Co-authored-by: Michael Davis <mcarsondavis@gmail.com>

helix-term/src/commands.rs

@@ -1026,6 +1026,7 @@ fn goto_file_vsplit(cx: &mut Context) {
     goto_file_impl(cx, Action::VerticalSplit);
 }
 
+/// Goto files in selection.
 fn goto_file_impl(cx: &mut Context, action: Action) {
     let (view, doc) = current_ref!(cx.editor);
     let text = doc.text();
@@ -1035,15 +1036,25 @@ fn goto_file_impl(cx: &mut Context, action: Action) {
         .map(|r| text.slice(r.from()..r.to()).to_string())
         .collect();
     let primary = selections.primary();
-    if selections.len() == 1 && primary.to() - primary.from() == 1 {
-        let current_word = movement::move_next_long_word_start(
-            text.slice(..),
-            movement::move_prev_long_word_start(text.slice(..), primary, 1),
-            1,
+    // Checks whether there is only one selection with a width of 1
+    if selections.len() == 1 && primary.len() == 1 {
+        let count = cx.count();
+        let text_slice = text.slice(..);
+        // In this case it selects the WORD under the cursor
+        let current_word = textobject::textobject_word(
+            text_slice,
+            primary,
+            textobject::TextObject::Inside,
+            count,
+            true,
         );
+        // Trims some surrounding chars so that the actual file is opened.
+        let surrounding_chars: &[_] = &['\'', '"', '(', ')'];
         paths.clear();
         paths.push(
-            text.slice(current_word.from()..current_word.to())
+            current_word
+                .fragment(text_slice)
+                .trim_matches(surrounding_chars)
                 .to_string(),
         );
     }

helix-term/tests/test/commands.rs

@@ -1,6 +1,7 @@
 use std::ops::RangeInclusive;
 
 use helix_core::diagnostic::Severity;
+use helix_term::application::Application;
 
 use super::*;
 
@@ -133,3 +134,62 @@ async fn test_selection_duplication() -> anyhow::Result<()> {
     .await?;
     Ok(())
 }
+
+#[tokio::test(flavor = "multi_thread")]
+async fn test_goto_file_impl() -> anyhow::Result<()> {
+    let file = tempfile::NamedTempFile::new()?;
+
+    fn match_paths(app: &Application, matches: Vec<&str>) -> usize {
+        app.editor
+            .documents()
+            .filter_map(|d| d.path()?.file_name())
+            .filter(|n| matches.iter().any(|m| *m == n.to_string_lossy()))
+            .count()
+    }
+
+    // Single selection
+    test_key_sequence(
+        &mut AppBuilder::new().with_file(file.path(), None).build()?,
+        Some("ione.js<esc>%gf"),
+        Some(&|app| {
+            assert_eq!(1, match_paths(app, vec!["one.js"]));
+        }),
+        false,
+    )
+    .await?;
+
+    // Multiple selection
+    test_key_sequence(
+        &mut AppBuilder::new().with_file(file.path(), None).build()?,
+        Some("ione.js<ret>two.js<esc>%<A-s>gf"),
+        Some(&|app| {
+            assert_eq!(2, match_paths(app, vec!["one.js", "two.js"]));
+        }),
+        false,
+    )
+    .await?;
+
+    // Cursor on first quote
+    test_key_sequence(
+        &mut AppBuilder::new().with_file(file.path(), None).build()?,
+        Some("iimport 'one.js'<esc>B;gf"),
+        Some(&|app| {
+            assert_eq!(1, match_paths(app, vec!["one.js"]));
+        }),
+        false,
+    )
+    .await?;
+
+    // Cursor on last quote
+    test_key_sequence(
+        &mut AppBuilder::new().with_file(file.path(), None).build()?,
+        Some("iimport 'one.js'<esc>bgf"),
+        Some(&|app| {
+            assert_eq!(1, match_paths(app, vec!["one.js"]));
+        }),
+        false,
+    )
+    .await?;
+
+    Ok(())
+}