From 773f3afd3628ed646fee561cb2a09a28454e72c8 Mon Sep 17 00:00:00 2001
From: Edwin Cheng <edwin0cheng@gmail.com>
Date: Tue, 10 Mar 2020 02:02:43 +0800
Subject: Add fixture meta for single file fixture

---
 crates/test_utils/src/lib.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'crates/test_utils/src')

diff --git a/crates/test_utils/src/lib.rs b/crates/test_utils/src/lib.rs
index 69deddcb5..2432177b4 100644
--- a/crates/test_utils/src/lib.rs
+++ b/crates/test_utils/src/lib.rs
@@ -202,6 +202,14 @@ pub fn parse_fixture(fixture: &str) -> Vec<FixtureEntry> {
     res
 }
 
+/// Same as `parse_fixture`, except it allow empty fixture
+pub fn parse_single_fixture(fixture: &str) -> Option<FixtureEntry> {
+    if !fixture.lines().any(|it| it.trim_start().starts_with("//-")) {
+        return None;
+    }
+    parse_fixture(fixture).into_iter().nth(0)
+}
+
 // Comparison functionality borrowed from cargo:
 
 /// Compare a line with an expected pattern.
-- 
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