1 files changed, 47 insertions, 0 deletions
diff --git a/helix-term/src/ui/fuzzy_match/test.rs b/helix-term/src/ui/fuzzy_match/test.rs
new file mode 100644
index 00000000..3f90ef68
--- /dev/null
+++ b/helix-term/src/ui/fuzzy_match/test.rs
@@ -0,0 +1,47 @@
+use crate::ui::fuzzy_match::FuzzyQuery;
+use crate::ui::fuzzy_match::Matcher;
+
+fn run_test<'a>(query: &str, items: &'a [&'a str]) -> Vec<String> {
+    let query = FuzzyQuery::new(query);
+    let matcher = Matcher::default();
+    items
+        .iter()
+        .filter_map(|item| {
+            let (_, indicies) = query.fuzzy_indicies(item, &matcher)?;
+            let matched_string = indicies
+                .iter()
+                .map(|&pos| item.chars().nth(pos).unwrap())
+                .collect();
+            Some(matched_string)
+        })
+        .collect()
+}
+
+#[test]
+fn match_single_value() {
+    let matches = run_test("foo", &["foobar", "foo", "bar"]);
+    assert_eq!(matches, &["foo", "foo"])
+}
+
+#[test]
+fn match_multiple_values() {
+    let matches = run_test(
+        "foo bar",
+        &["foo bar", "foo   bar", "bar foo", "bar", "foo"],
+    );
+    assert_eq!(matches, &["foobar", "foobar", "barfoo"])
+}
+
+#[test]
+fn space_escape() {
+    let matches = run_test(r"foo\ bar", &["bar foo", "foo bar", "foobar"]);
+    assert_eq!(matches, &["foo bar"])
+}
+
+#[test]
+fn trim() {
+    let matches = run_test(r" foo bar ", &["bar foo", "foo bar", "foobar"]);
+    assert_eq!(matches, &["barfoo", "foobar", "foobar"]);
+    let matches = run_test(r" foo bar\ ", &["bar foo", "foo bar", "foobar"]);
+    assert_eq!(matches, &["bar foo"])
+}