Start work on porting unicode input kitten to Go

tools/unicode_names/query_test.go

@@ -0,0 +1,35 @@
+// License: GPLv3 Copyright: 2023, Kovid Goyal, <kovid at kovidgoyal.net>
+
+package unicode_names
+
+import (
+	"fmt"
+	"kitty/tools/utils"
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+	"golang.org/x/exp/slices"
+)
+
+var _ = fmt.Print
+
+func TestUnicodeInputQueries(t *testing.T) {
+	ts := func(query string, expected ...rune) {
+		if expected == nil {
+			expected = make([]rune, 0)
+		}
+		expected = utils.Sort(expected, func(a, b rune) bool { return a < b })
+		actual := CodePointsForQuery(query)
+		actual = utils.Sort(actual, func(a, b rune) bool { return a < b })
+		diff := cmp.Diff(expected, actual)
+		if diff != "" {
+			t.Fatalf("Failed query: %#v\n%s", query, diff)
+		}
+	}
+	ts("horiz ell", 0x2026, 0x22ef, 0x2b2c, 0x2b2d, 0xfe19)
+	ts("horizontal ell", 0x2026, 0x22ef, 0x2b2c, 0x2b2d, 0xfe19)
+	ts("kfjhgkjdsfhgkjds")
+	if slices.Index(CodePointsForQuery("bee"), 0x1f41d) < 0 {
+		t.Fatalf("The query bee did not match the codepoint: 0x1f41d")
+	}
+}