Add tests for the subseq matcher

kittens/choose/main.py

@@ -8,6 +8,40 @@ import sys
 from ..tui.handler import Handler
 from ..tui.loop import Loop
 
+from . import subseq_matcher
+
+
+def match(
+    input_data,
+    query,
+    threads=0,
+    positions=False,
+    level1='/',
+    level2='-_0123456789',
+    level3='.',
+    limit=0,
+    mark_before='',
+    mark_after='',
+    delimiter='\n'
+):
+    if isinstance(input_data, str):
+        input_data = input_data.encode('utf-8')
+    if isinstance(input_data, bytes):
+        input_data = input_data.split(delimiter.encode('utf-8'))
+    else:
+        input_data = [x.encode('utf-8') if isinstance(x, str) else x for x in input_data]
+    query = query.lower()
+    level1 = level1.lower()
+    level2 = level2.lower()
+    level3 = level3.lower()
+    data = subseq_matcher.match(
+        input_data, (level1, level2, level3), query,
+        positions, limit, threads,
+        mark_before, mark_after, delimiter)
+    if data is None:
+        return []
+    return list(filter(None, data.split(delimiter or '\n')))
+
 
 class ChooseHandler(Handler):