add cleaner tests

internal/modules/cleaner/interface.go

@@ -1,6 +1,5 @@
 package cleaner
 
 type ICleaner interface {
-	// ([Ы-1]) -> ы1, Ы-1 -> ы1
 	ClearCode(code string) string
 }

internal/modules/cleaner/service_test.go

@@ -0,0 +1,43 @@
+package cleaner
+
+import (
+	"fmt"
+	"testing"
+)
+
+func Test_service_ClearCode(t *testing.T) {
+	tests := []struct {
+		code string
+		want string
+	}{
+		{
+			code: "ы",
+			want: "ы",
+		},
+		{
+			code: "Ы",
+			want: "ы",
+		},
+		{
+			code: "Ы-1",
+			want: "ы1",
+		},
+		{
+			code: "[Ы]",
+			want: "ы",
+		},
+		{
+			code: "([Ы])",
+			want: "ы",
+		},
+	}
+	for _, tt := range tests {
+		t.Run(fmt.Sprintf("%s->%s", tt.code, tt.want), func(t *testing.T) {
+			var s service
+			got := s.ClearCode(tt.code)
+			if got != tt.want {
+				t.Errorf("ClearCode() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}