From 9ba5f2559462e2a0a36d1c26a10ba08ba5eea444 Mon Sep 17 00:00:00 2001
From: Rob Donnelly <rfdonnelly@gmail.com>
Date: Mon, 19 Aug 2019 09:03:12 -0700
Subject: [PATCH] Ignore hidden files in grammar test directories (#430)

This fixes "stream did not contain valid UTF-8" error due to
`tree-sitter test` attempting to Vim's parse hidden binary swap files.
---
 cli/src/test.rs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/cli/src/test.rs b/cli/src/test.rs
index bc05f296..f742e887 100644
--- a/cli/src/test.rs
+++ b/cli/src/test.rs
@@ -183,7 +183,14 @@ pub fn parse_tests(path: &Path) -> io::Result<TestEntry> {
         let mut children = Vec::new();
         for entry in fs::read_dir(path)? {
             let entry = entry?;
-            children.push(parse_tests(&entry.path())?);
+            let hidden = entry
+                .file_name()
+                .to_str()
+                .unwrap_or("")
+                .starts_with(".");
+            if !hidden {
+                children.push(parse_tests(&entry.path())?);
+            }
         }
         Ok(TestEntry::Group { name, children })
     } else {